diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 2cbf66d..56e8198 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -17,7 +17,7 @@
 config LEDS_CLASS
 	tristate "LED Class Support"
 	help
-	  This option enables the led sysfs class in /sys/class/leds.  You'll
+	  This option enables the LED sysfs class in /sys/class/leds.  You'll
 	  need this to do anything useful with LEDs.  If unsure, say N.
 
 config LEDS_CLASS_FLASH
@@ -30,12 +30,22 @@
 	  for the flash related features of a LED device. It can be built
 	  as a module.
 
+config LEDS_CLASS_MULTICOLOR
+	tristate "LED Multicolor Class Support"
+	depends on LEDS_CLASS
+	help
+	  This option enables the multicolor LED sysfs class in /sys/class/leds.
+	  It wraps LED class and adds multicolor LED specific sysfs attributes
+	  and kernel internal API to it. You'll need this to provide support
+	  for multicolor LEDs that are grouped together. This class is not
+	  intended for single color LEDs. It can be built as a module.
+
 config LEDS_BRIGHTNESS_HW_CHANGED
 	bool "LED Class brightness_hw_changed attribute support"
 	depends on LEDS_CLASS
 	help
 	  This option enables support for the brightness_hw_changed attribute
-	  for led sysfs class devices under /sys/class/leds.
+	  for LED sysfs class devices under /sys/class/leds.
 
 	  See Documentation/ABI/testing/sysfs-class-led for details.
 
@@ -83,6 +93,17 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called leds-apu.
 
+config LEDS_ARIEL
+	tristate "Dell Wyse 3020 status LED support"
+	depends on LEDS_CLASS
+	depends on (MACH_MMP3_DT && MFD_ENE_KB3930) || COMPILE_TEST
+	help
+	  This driver adds support for controlling the front panel status
+	  LEDs on Dell Wyse 3020 (Ariel) board via the KB3930 Embedded
+	  Controller.
+
+	  Say Y to if your machine is a Dell Wyse 3020 thin client.
+
 config LEDS_AS3645A
 	tristate "AS3645A and LM3555 LED flash controllers support"
 	depends on I2C && LEDS_CLASS_FLASH
@@ -92,6 +113,16 @@
 	  controller. V4L2 flash API is provided as well if
 	  CONFIG_V4L2_FLASH_API is enabled.
 
+config LEDS_AW2013
+	tristate "LED support for Awinic AW2013"
+	depends on LEDS_CLASS && I2C && OF
+	help
+	  This option enables support for the AW2013 3-channel
+	  LED driver.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called leds-aw2013.
+
 config LEDS_BCM6328
 	tristate "LED Support for Broadcom BCM6328"
 	depends on LEDS_CLASS
@@ -132,6 +163,30 @@
 	  To compile this driver as a module, choose M here: the module
 	  will be called leds-cr0014114.
 
+config LEDS_EL15203000
+	tristate "LED Support for Crane EL15203000"
+	depends on LEDS_CLASS
+	depends on SPI
+	depends on OF
+	help
+	  This option enables support for EL15203000 LED Board
+	  (aka RED LED board) which is widely used in coffee vending
+	  machines produced by Crane Merchandising Systems.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called leds-el15203000.
+
+config LEDS_TURRIS_OMNIA
+	tristate "LED support for CZ.NIC's Turris Omnia"
+	depends on LEDS_CLASS_MULTICOLOR
+	depends on I2C
+	depends on MACH_ARMADA_38X || COMPILE_TEST
+	depends on OF
+	help
+	  This option enables basic support for the LEDs found on the front
+	  side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
+	  front panel.
+
 config LEDS_LM3530
 	tristate "LCD Backlight driver for LM3530"
 	depends on LEDS_CLASS
@@ -220,7 +275,7 @@
 config LEDS_S3C24XX
 	tristate "LED Support for Samsung S3C24XX GPIO LEDs"
 	depends on LEDS_CLASS
-	depends on ARCH_S3C24XX
+	depends on ARCH_S3C24XX || COMPILE_TEST
 	help
 	  This option enables support for LEDs connected to GPIO lines
 	  on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
@@ -250,13 +305,13 @@
 config LEDS_COBALT_QUBE
 	tristate "LED Support for the Cobalt Qube series front LED"
 	depends on LEDS_CLASS
-	depends on MIPS_COBALT
+	depends on MIPS_COBALT || COMPILE_TEST
 	help
 	  This option enables support for the front LED on Cobalt Qube series
 
 config LEDS_COBALT_RAQ
 	bool "LED Support for the Cobalt Raq series"
-	depends on LEDS_CLASS=y && MIPS_COBALT
+	depends on LEDS_CLASS=y && (MIPS_COBALT || COMPILE_TEST)
 	select LEDS_TRIGGERS
 	help
 	  This option enables support for the Cobalt Raq series LEDs.
@@ -341,9 +396,23 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called leds-lp3952.
 
+config LEDS_LP50XX
+	tristate "LED Support for TI LP5036/30/24/18/12/9 LED driver chip"
+	depends on LEDS_CLASS && REGMAP_I2C
+	depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
+	help
+	  If you say yes here you get support for the Texas Instruments
+	  LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called leds-lp50xx.
+
 config LEDS_LP55XX_COMMON
 	tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
-	depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
+	depends on LEDS_CLASS
+	depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
+	depends on OF
+	depends on I2C
 	select FW_LOADER
 	select FW_LOADER_USER_HELPER
 	help
@@ -353,7 +422,7 @@
 config LEDS_LP5521
 	tristate "LED Support for N.S. LP5521 LED driver chip"
 	depends on LEDS_CLASS && I2C
-	select LEDS_LP55XX_COMMON
+	depends on LEDS_LP55XX_COMMON
 	help
 	  If you say yes here you get support for the National Semiconductor
 	  LP5521 LED driver. It is 3 channel chip with programmable engines.
@@ -363,7 +432,7 @@
 config LEDS_LP5523
 	tristate "LED Support for TI/National LP5523/55231 LED driver chip"
 	depends on LEDS_CLASS && I2C
-	select LEDS_LP55XX_COMMON
+	depends on LEDS_LP55XX_COMMON
 	help
 	  If you say yes here you get support for TI/National Semiconductor
 	  LP5523/55231 LED driver.
@@ -374,7 +443,7 @@
 config LEDS_LP5562
 	tristate "LED Support for TI LP5562 LED driver chip"
 	depends on LEDS_CLASS && I2C
-	select LEDS_LP55XX_COMMON
+	depends on LEDS_LP55XX_COMMON
 	help
 	  If you say yes here you get support for TI LP5562 LED driver.
 	  It is 4 channels chip with programmable engines.
@@ -384,7 +453,7 @@
 config LEDS_LP8501
 	tristate "LED Support for TI LP8501 LED driver chip"
 	depends on LEDS_CLASS && I2C
-	select LEDS_LP55XX_COMMON
+	depends on LEDS_LP55XX_COMMON
 	help
 	  If you say yes here you get support for TI LP8501 LED driver.
 	  It is 9 channel chip with programmable engines.
@@ -576,7 +645,7 @@
 config LEDS_NS2
 	tristate "LED support for Network Space v2 GPIO LEDs"
 	depends on LEDS_CLASS
-	depends on MACH_KIRKWOOD || MACH_ARMADA_370
+	depends on MACH_KIRKWOOD || MACH_ARMADA_370 || COMPILE_TEST
 	default y
 	help
 	  This option enables support for the dual-GPIO LEDs found on the
@@ -590,7 +659,7 @@
 config LEDS_NETXBIG
 	tristate "LED support for Big Network series LEDs"
 	depends on LEDS_CLASS
-	depends on MACH_KIRKWOOD
+	depends on MACH_KIRKWOOD || COMPILE_TEST
 	depends on OF_GPIO
 	default y
 	help
@@ -824,6 +893,42 @@
 	  Say Y to enable the LM36274 LED driver for TI LMU devices.
 	  This supports the LED device LM36274.
 
+config LEDS_TPS6105X
+	tristate "LED support for TI TPS6105X"
+	depends on LEDS_CLASS
+	depends on TPS6105X
+	default y if TPS6105X
+	help
+	  This driver supports TPS61050/TPS61052 LED chips.
+	  It is a single boost converter primarily for white LEDs and
+	  audio amplifiers.
+
+config LEDS_IP30
+	tristate "LED support for SGI Octane machines"
+	depends on LEDS_CLASS
+	depends on SGI_MFD_IOC3 || COMPILE_TEST
+	help
+	  This option enables support for the Red and White LEDs of
+	  SGI Octane machines.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called leds-ip30.
+
+config LEDS_SGM3140
+	tristate "LED support for the SGM3140"
+	depends on LEDS_CLASS_FLASH
+	depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
+	help
+	  This option enables support for the SGM3140 500mA Buck/Boost Charge
+	  Pump LED Driver.
+
+config LEDS_ACER_A500
+	tristate "Power button LED support for Acer Iconia Tab A500"
+	depends on LEDS_CLASS && MFD_ACER_A500_EC
+	help
+	  This option enables support for the Power Button LED of
+	  Acer Iconia Tab A500.
+
 comment "LED Triggers"
 source "drivers/leds/trigger/Kconfig"
 
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 41fb073..73e603e 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -4,91 +4,101 @@
 obj-$(CONFIG_NEW_LEDS)			+= led-core.o
 obj-$(CONFIG_LEDS_CLASS)		+= led-class.o
 obj-$(CONFIG_LEDS_CLASS_FLASH)		+= led-class-flash.o
+obj-$(CONFIG_LEDS_CLASS_MULTICOLOR)	+= led-class-multicolor.o
 obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o
 
-# LED Platform Drivers
+# LED Platform Drivers (keep this sorted, M-| sort)
 obj-$(CONFIG_LEDS_88PM860X)		+= leds-88pm860x.o
 obj-$(CONFIG_LEDS_AAT1290)		+= leds-aat1290.o
-obj-$(CONFIG_LEDS_APU)			+= leds-apu.o
-obj-$(CONFIG_LEDS_AS3645A)		+= leds-as3645a.o
+obj-$(CONFIG_LEDS_ACER_A500)		+= leds-acer-a500.o
+obj-$(CONFIG_LEDS_ADP5520)		+= leds-adp5520.o
 obj-$(CONFIG_LEDS_AN30259A)		+= leds-an30259a.o
+obj-$(CONFIG_LEDS_APU)			+= leds-apu.o
+obj-$(CONFIG_LEDS_ARIEL)		+= leds-ariel.o
+obj-$(CONFIG_LEDS_AS3645A)		+= leds-as3645a.o
+obj-$(CONFIG_LEDS_ASIC3)		+= leds-asic3.o
+obj-$(CONFIG_LEDS_AW2013)		+= leds-aw2013.o
 obj-$(CONFIG_LEDS_BCM6328)		+= leds-bcm6328.o
 obj-$(CONFIG_LEDS_BCM6358)		+= leds-bcm6358.o
 obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o
+obj-$(CONFIG_LEDS_BLINKM)		+= leds-blinkm.o
+obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o
+obj-$(CONFIG_LEDS_COBALT_QUBE)		+= leds-cobalt-qube.o
+obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_CPCAP)		+= leds-cpcap.o
-obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
+obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
+obj-$(CONFIG_LEDS_DA9052)		+= leds-da9052.o
+obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
+obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
+obj-$(CONFIG_LEDS_GPIO_REGISTER)	+= leds-gpio-register.o
+obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
+obj-$(CONFIG_LEDS_INTEL_SS4200)		+= leds-ss4200.o
+obj-$(CONFIG_LEDS_IP30)			+= leds-ip30.o
+obj-$(CONFIG_LEDS_IPAQ_MICRO)		+= leds-ipaq-micro.o
+obj-$(CONFIG_LEDS_IS31FL319X)		+= leds-is31fl319x.o
+obj-$(CONFIG_LEDS_IS31FL32XX)		+= leds-is31fl32xx.o
+obj-$(CONFIG_LEDS_KTD2692)		+= leds-ktd2692.o
 obj-$(CONFIG_LEDS_LM3530)		+= leds-lm3530.o
 obj-$(CONFIG_LEDS_LM3532)		+= leds-lm3532.o
 obj-$(CONFIG_LEDS_LM3533)		+= leds-lm3533.o
+obj-$(CONFIG_LEDS_LM355x)		+= leds-lm355x.o
+obj-$(CONFIG_LEDS_LM3601X)		+= leds-lm3601x.o
+obj-$(CONFIG_LEDS_LM36274)		+= leds-lm36274.o
 obj-$(CONFIG_LEDS_LM3642)		+= leds-lm3642.o
-obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= leds-rb532.o
-obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
-obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
-obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
-obj-$(CONFIG_LEDS_COBALT_QUBE)		+= leds-cobalt-qube.o
-obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
-obj-$(CONFIG_LEDS_SUNFIRE)		+= leds-sunfire.o
-obj-$(CONFIG_LEDS_PCA9532)		+= leds-pca9532.o
-obj-$(CONFIG_LEDS_GPIO_REGISTER)	+= leds-gpio-register.o
-obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
+obj-$(CONFIG_LEDS_LM3692X)		+= leds-lm3692x.o
+obj-$(CONFIG_LEDS_LM3697)		+= leds-lm3697.o
+obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
 obj-$(CONFIG_LEDS_LP3944)		+= leds-lp3944.o
 obj-$(CONFIG_LEDS_LP3952)		+= leds-lp3952.o
-obj-$(CONFIG_LEDS_LP55XX_COMMON)	+= leds-lp55xx-common.o
+obj-$(CONFIG_LEDS_LP50XX)		+= leds-lp50xx.o
 obj-$(CONFIG_LEDS_LP5521)		+= leds-lp5521.o
 obj-$(CONFIG_LEDS_LP5523)		+= leds-lp5523.o
 obj-$(CONFIG_LEDS_LP5562)		+= leds-lp5562.o
+obj-$(CONFIG_LEDS_LP55XX_COMMON)	+= leds-lp55xx-common.o
 obj-$(CONFIG_LEDS_LP8501)		+= leds-lp8501.o
 obj-$(CONFIG_LEDS_LP8788)		+= leds-lp8788.o
 obj-$(CONFIG_LEDS_LP8860)		+= leds-lp8860.o
-obj-$(CONFIG_LEDS_TCA6507)		+= leds-tca6507.o
-obj-$(CONFIG_LEDS_TLC591XX)		+= leds-tlc591xx.o
-obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o
-obj-$(CONFIG_LEDS_IPAQ_MICRO)		+= leds-ipaq-micro.o
-obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
-obj-$(CONFIG_LEDS_OT200)		+= leds-ot200.o
-obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
-obj-$(CONFIG_LEDS_PCA955X)		+= leds-pca955x.o
-obj-$(CONFIG_LEDS_PCA963X)		+= leds-pca963x.o
-obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
-obj-$(CONFIG_LEDS_DA9052)		+= leds-da9052.o
-obj-$(CONFIG_LEDS_WM831X_STATUS)	+= leds-wm831x-status.o
-obj-$(CONFIG_LEDS_WM8350)		+= leds-wm8350.o
-obj-$(CONFIG_LEDS_PWM)			+= leds-pwm.o
-obj-$(CONFIG_LEDS_REGULATOR)		+= leds-regulator.o
-obj-$(CONFIG_LEDS_INTEL_SS4200)		+= leds-ss4200.o
 obj-$(CONFIG_LEDS_LT3593)		+= leds-lt3593.o
-obj-$(CONFIG_LEDS_ADP5520)		+= leds-adp5520.o
-obj-$(CONFIG_LEDS_MC13783)		+= leds-mc13783.o
-obj-$(CONFIG_LEDS_NS2)			+= leds-ns2.o
-obj-$(CONFIG_LEDS_NETXBIG)		+= leds-netxbig.o
-obj-$(CONFIG_LEDS_ASIC3)		+= leds-asic3.o
 obj-$(CONFIG_LEDS_MAX77650)		+= leds-max77650.o
 obj-$(CONFIG_LEDS_MAX77693)		+= leds-max77693.o
 obj-$(CONFIG_LEDS_MAX8997)		+= leds-max8997.o
-obj-$(CONFIG_LEDS_LM355x)		+= leds-lm355x.o
-obj-$(CONFIG_LEDS_BLINKM)		+= leds-blinkm.o
-obj-$(CONFIG_LEDS_SYSCON)		+= leds-syscon.o
+obj-$(CONFIG_LEDS_MC13783)		+= leds-mc13783.o
 obj-$(CONFIG_LEDS_MENF21BMC)		+= leds-menf21bmc.o
-obj-$(CONFIG_LEDS_KTD2692)		+= leds-ktd2692.o
-obj-$(CONFIG_LEDS_POWERNV)		+= leds-powernv.o
-obj-$(CONFIG_LEDS_IS31FL319X)		+= leds-is31fl319x.o
-obj-$(CONFIG_LEDS_IS31FL32XX)		+= leds-is31fl32xx.o
-obj-$(CONFIG_LEDS_PM8058)		+= leds-pm8058.o
+obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= leds-rb532.o
 obj-$(CONFIG_LEDS_MLXCPLD)		+= leds-mlxcpld.o
 obj-$(CONFIG_LEDS_MLXREG)		+= leds-mlxreg.o
-obj-$(CONFIG_LEDS_NIC78BX)		+= leds-nic78bx.o
-obj-$(CONFIG_LEDS_SPI_BYTE)		+= leds-spi-byte.o
 obj-$(CONFIG_LEDS_MT6323)		+= leds-mt6323.o
-obj-$(CONFIG_LEDS_LM3692X)		+= leds-lm3692x.o
+obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
+obj-$(CONFIG_LEDS_NETXBIG)		+= leds-netxbig.o
+obj-$(CONFIG_LEDS_NIC78BX)		+= leds-nic78bx.o
+obj-$(CONFIG_LEDS_NS2)			+= leds-ns2.o
+obj-$(CONFIG_LEDS_OT200)		+= leds-ot200.o
+obj-$(CONFIG_LEDS_PCA9532)		+= leds-pca9532.o
+obj-$(CONFIG_LEDS_PCA955X)		+= leds-pca955x.o
+obj-$(CONFIG_LEDS_PCA963X)		+= leds-pca963x.o
+obj-$(CONFIG_LEDS_PM8058)		+= leds-pm8058.o
+obj-$(CONFIG_LEDS_POWERNV)		+= leds-powernv.o
+obj-$(CONFIG_LEDS_PWM)			+= leds-pwm.o
+obj-$(CONFIG_LEDS_REGULATOR)		+= leds-regulator.o
+obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
 obj-$(CONFIG_LEDS_SC27XX_BLTC)		+= leds-sc27xx-bltc.o
-obj-$(CONFIG_LEDS_LM3601X)		+= leds-lm3601x.o
+obj-$(CONFIG_LEDS_SGM3140)		+= leds-sgm3140.o
+obj-$(CONFIG_LEDS_SUNFIRE)		+= leds-sunfire.o
+obj-$(CONFIG_LEDS_SYSCON)		+= leds-syscon.o
+obj-$(CONFIG_LEDS_TCA6507)		+= leds-tca6507.o
 obj-$(CONFIG_LEDS_TI_LMU_COMMON)	+= leds-ti-lmu-common.o
-obj-$(CONFIG_LEDS_LM3697)		+= leds-lm3697.o
-obj-$(CONFIG_LEDS_LM36274)		+= leds-lm36274.o
+obj-$(CONFIG_LEDS_TLC591XX)		+= leds-tlc591xx.o
+obj-$(CONFIG_LEDS_TPS6105X)		+= leds-tps6105x.o
+obj-$(CONFIG_LEDS_TURRIS_OMNIA)		+= leds-turris-omnia.o
+obj-$(CONFIG_LEDS_WM831X_STATUS)	+= leds-wm831x-status.o
+obj-$(CONFIG_LEDS_WM8350)		+= leds-wm8350.o
+obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
 
 # LED SPI Drivers
 obj-$(CONFIG_LEDS_CR0014114)		+= leds-cr0014114.o
 obj-$(CONFIG_LEDS_DAC124S085)		+= leds-dac124s085.o
+obj-$(CONFIG_LEDS_EL15203000)		+= leds-el15203000.o
+obj-$(CONFIG_LEDS_SPI_BYTE)		+= leds-spi-byte.o
 
 # LED Userspace Drivers
 obj-$(CONFIG_LEDS_USER)			+= uleds.o
diff --git a/drivers/leds/TODO b/drivers/leds/TODO
new file mode 100644
index 0000000..bfa60fa
--- /dev/null
+++ b/drivers/leds/TODO
@@ -0,0 +1,75 @@
+-*- org -*-
+
+* On/off LEDs should have max_brightness of 1
+* Get rid of enum led_brightness
+
+It is really an integer, as maximum is configurable. Get rid of it, or
+make it into typedef or something.
+
+* Review atomicity requirements in LED subsystem
+
+Calls that may and that may not block are mixed in same structure, and
+semantics is sometimes non-intuitive. (For example blink callback may
+not sleep.) Review the requirements for any bugs and document them
+clearly.
+
+* LED names are still a mess
+
+No two LEDs have same name, so the names are probably unusable for the
+userland. Nudge authors into creating common LED names for common
+functionality.
+
+? Perhaps check for known LED names during boot, and warn if there are
+LEDs not on the list?
+
+* Split drivers into subdirectories
+
+The number of drivers is getting big, and driver for on/off LED on a
+i/o port is really quite different from camera flash LED, which is
+really different from driver for RGB color LED that can run its own
+microcode. Split the drivers somehow.
+
+* Figure out what to do with RGB leds
+
+Multicolor is a bit too abstract. Yes, we can have
+Green-Magenta-Ultraviolet LED, but so far all the LEDs we support are
+RGB, and not even RGB-White or RGB-Yellow variants emerged.
+
+Multicolor is not a good fit for RGB LED. It does not really know
+about LED color.  In particular, there's no way to make LED "white".
+
+Userspace is interested in knowing "this LED can produce arbitrary
+color", which not all multicolor LEDs can.
+
+	Proposal: let's add "rgb" to led_colors in drivers/leds/led-core.c,
+	add corresponding device tree defines, and use that, instead of
+	multicolor for RGB LEDs.
+
+	We really need to do that now; "white" stuff can wait.
+
+RGB LEDs are quite common, and it would be good to be able to turn LED
+white and to turn it into any arbitrary color. It is essential that
+userspace is able to set arbitrary colors, and it might be good to
+have that ability from kernel, too... to allow full-color triggers.
+
+* Command line utility to manipulate the LEDs?
+
+/sys interface is not really suitable to use by hand, should we have
+an utility to perform LED control?
+
+In particular, LED names are still a mess (see above) and utility
+could help there by presenting both old and new names while we clean
+them up.
+
+In future, I'd like utility to accept both old and new names while we
+clean them up.
+
+It would be also nice to have useful listing mode -- name, type,
+current brightness/trigger...
+
+In future, it would be good to be able to set rgb led to particular
+color.
+
+And probably user-friendly interface to access LEDs for particular
+ethernet interface would be nice.
+
diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c
index 60c3de5..6eeb9ef 100644
--- a/drivers/leds/led-class-flash.c
+++ b/drivers/leds/led-class-flash.c
@@ -327,6 +327,56 @@
 }
 EXPORT_SYMBOL_GPL(led_classdev_flash_unregister);
 
+static void devm_led_classdev_flash_release(struct device *dev, void *res)
+{
+	led_classdev_flash_unregister(*(struct led_classdev_flash **)res);
+}
+
+int devm_led_classdev_flash_register_ext(struct device *parent,
+				     struct led_classdev_flash *fled_cdev,
+				     struct led_init_data *init_data)
+{
+	struct led_classdev_flash **dr;
+	int ret;
+
+	dr = devres_alloc(devm_led_classdev_flash_release, sizeof(*dr),
+			  GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = led_classdev_flash_register_ext(parent, fled_cdev, init_data);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	*dr = fled_cdev;
+	devres_add(parent, dr);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(devm_led_classdev_flash_register_ext);
+
+static int devm_led_classdev_flash_match(struct device *dev,
+					      void *res, void *data)
+{
+	struct led_classdev_flash **p = res;
+
+	if (WARN_ON(!p || !*p))
+		return 0;
+
+	return *p == data;
+}
+
+void devm_led_classdev_flash_unregister(struct device *dev,
+					struct led_classdev_flash *fled_cdev)
+{
+	WARN_ON(devres_release(dev,
+			       devm_led_classdev_flash_release,
+			       devm_led_classdev_flash_match, fled_cdev));
+}
+EXPORT_SYMBOL_GPL(devm_led_classdev_flash_unregister);
+
 static void led_clamp_align(struct led_flash_setting *s)
 {
 	u32 v, offset;
diff --git a/drivers/leds/led-class-multicolor.c b/drivers/leds/led-class-multicolor.c
new file mode 100644
index 0000000..e317408
--- /dev/null
+++ b/drivers/leds/led-class-multicolor.c
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0
+// LED Multicolor class interface
+// Copyright (C) 2019-20 Texas Instruments Incorporated - http://www.ti.com/
+// Author: Dan Murphy <dmurphy@ti.com>
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/led-class-multicolor.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include "leds.h"
+
+int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev,
+				 enum led_brightness brightness)
+{
+	struct led_classdev *led_cdev = &mcled_cdev->led_cdev;
+	int i;
+
+	for (i = 0; i < mcled_cdev->num_colors; i++)
+		mcled_cdev->subled_info[i].brightness = brightness *
+					mcled_cdev->subled_info[i].intensity /
+					led_cdev->max_brightness;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(led_mc_calc_color_components);
+
+static ssize_t multi_intensity_store(struct device *dev,
+				struct device_attribute *intensity_attr,
+				const char *buf, size_t size)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_classdev_mc *mcled_cdev = lcdev_to_mccdev(led_cdev);
+	int nrchars, offset = 0;
+	int intensity_value[LED_COLOR_ID_MAX];
+	int i;
+	ssize_t ret;
+
+	mutex_lock(&led_cdev->led_access);
+
+	for (i = 0; i < mcled_cdev->num_colors; i++) {
+		ret = sscanf(buf + offset, "%i%n",
+			     &intensity_value[i], &nrchars);
+		if (ret != 1) {
+			ret = -EINVAL;
+			goto err_out;
+		}
+		offset += nrchars;
+	}
+
+	offset++;
+	if (offset < size) {
+		ret = -EINVAL;
+		goto err_out;
+	}
+
+	for (i = 0; i < mcled_cdev->num_colors; i++)
+		mcled_cdev->subled_info[i].intensity = intensity_value[i];
+
+	led_set_brightness(led_cdev, led_cdev->brightness);
+	ret = size;
+err_out:
+	mutex_unlock(&led_cdev->led_access);
+	return ret;
+}
+
+static ssize_t multi_intensity_show(struct device *dev,
+			      struct device_attribute *intensity_attr,
+			      char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_classdev_mc *mcled_cdev = lcdev_to_mccdev(led_cdev);
+	int len = 0;
+	int i;
+
+	for (i = 0; i < mcled_cdev->num_colors; i++) {
+		len += sprintf(buf + len, "%d",
+			       mcled_cdev->subled_info[i].intensity);
+		if (i < mcled_cdev->num_colors - 1)
+			len += sprintf(buf + len, " ");
+	}
+
+	buf[len++] = '\n';
+	return len;
+}
+static DEVICE_ATTR_RW(multi_intensity);
+
+static ssize_t multi_index_show(struct device *dev,
+			      struct device_attribute *multi_index_attr,
+			      char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct led_classdev_mc *mcled_cdev = lcdev_to_mccdev(led_cdev);
+	int len = 0;
+	int index;
+	int i;
+
+	for (i = 0; i < mcled_cdev->num_colors; i++) {
+		index = mcled_cdev->subled_info[i].color_index;
+		len += sprintf(buf + len, "%s", led_colors[index]);
+		if (i < mcled_cdev->num_colors - 1)
+			len += sprintf(buf + len, " ");
+	}
+
+	buf[len++] = '\n';
+	return len;
+}
+static DEVICE_ATTR_RO(multi_index);
+
+static struct attribute *led_multicolor_attrs[] = {
+	&dev_attr_multi_intensity.attr,
+	&dev_attr_multi_index.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(led_multicolor);
+
+int led_classdev_multicolor_register_ext(struct device *parent,
+				     struct led_classdev_mc *mcled_cdev,
+				     struct led_init_data *init_data)
+{
+	struct led_classdev *led_cdev;
+
+	if (!mcled_cdev)
+		return -EINVAL;
+
+	if (mcled_cdev->num_colors <= 0)
+		return -EINVAL;
+
+	if (mcled_cdev->num_colors > LED_COLOR_ID_MAX)
+		return -EINVAL;
+
+	led_cdev = &mcled_cdev->led_cdev;
+	mcled_cdev->led_cdev.groups = led_multicolor_groups;
+
+	return led_classdev_register_ext(parent, led_cdev, init_data);
+}
+EXPORT_SYMBOL_GPL(led_classdev_multicolor_register_ext);
+
+void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev)
+{
+	if (!mcled_cdev)
+		return;
+
+	led_classdev_unregister(&mcled_cdev->led_cdev);
+}
+EXPORT_SYMBOL_GPL(led_classdev_multicolor_unregister);
+
+static void devm_led_classdev_multicolor_release(struct device *dev, void *res)
+{
+	led_classdev_multicolor_unregister(*(struct led_classdev_mc **)res);
+}
+
+int devm_led_classdev_multicolor_register_ext(struct device *parent,
+					     struct led_classdev_mc *mcled_cdev,
+					     struct led_init_data *init_data)
+{
+	struct led_classdev_mc **dr;
+	int ret;
+
+	dr = devres_alloc(devm_led_classdev_multicolor_release,
+			  sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = led_classdev_multicolor_register_ext(parent, mcled_cdev,
+						   init_data);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	*dr = mcled_cdev;
+	devres_add(parent, dr);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(devm_led_classdev_multicolor_register_ext);
+
+static int devm_led_classdev_multicolor_match(struct device *dev,
+					      void *res, void *data)
+{
+	struct led_classdev_mc **p = res;
+
+	if (WARN_ON(!p || !*p))
+		return 0;
+
+	return *p == data;
+}
+
+void devm_led_classdev_multicolor_unregister(struct device *dev,
+					     struct led_classdev_mc *mcled_cdev)
+{
+	WARN_ON(devres_release(dev,
+			       devm_led_classdev_multicolor_release,
+			       devm_led_classdev_multicolor_match, mcled_cdev));
+}
+EXPORT_SYMBOL_GPL(devm_led_classdev_multicolor_unregister);
+
+MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
+MODULE_DESCRIPTION("Multicolor LED class interface");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 0a4823d..4365c1c 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/timer.h>
 #include <uapi/linux/uleds.h>
+#include <linux/of.h>
 #include "leds.h"
 
 static struct class *leds_class;
@@ -74,13 +75,13 @@
 static DEVICE_ATTR_RO(max_brightness);
 
 #ifdef CONFIG_LEDS_TRIGGERS
-static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
-static struct attribute *led_trigger_attrs[] = {
-	&dev_attr_trigger.attr,
+static BIN_ATTR(trigger, 0644, led_trigger_read, led_trigger_write, 0);
+static struct bin_attribute *led_trigger_bin_attrs[] = {
+	&bin_attr_trigger,
 	NULL,
 };
 static const struct attribute_group led_trigger_group = {
-	.attrs = led_trigger_attrs,
+	.bin_attrs = led_trigger_bin_attrs,
 };
 #endif
 
@@ -215,6 +216,94 @@
 
 static SIMPLE_DEV_PM_OPS(leds_class_dev_pm_ops, led_suspend, led_resume);
 
+/**
+ * of_led_get() - request a LED device via the LED framework
+ * @np: device node to get the LED device from
+ * @index: the index of the LED
+ *
+ * Returns the LED device parsed from the phandle specified in the "leds"
+ * property of a device tree node or a negative error-code on failure.
+ */
+struct led_classdev *of_led_get(struct device_node *np, int index)
+{
+	struct device *led_dev;
+	struct led_classdev *led_cdev;
+	struct device_node *led_node;
+
+	led_node = of_parse_phandle(np, "leds", index);
+	if (!led_node)
+		return ERR_PTR(-ENOENT);
+
+	led_dev = class_find_device_by_of_node(leds_class, led_node);
+	of_node_put(led_node);
+
+	if (!led_dev)
+		return ERR_PTR(-EPROBE_DEFER);
+
+	led_cdev = dev_get_drvdata(led_dev);
+
+	if (!try_module_get(led_cdev->dev->parent->driver->owner))
+		return ERR_PTR(-ENODEV);
+
+	return led_cdev;
+}
+EXPORT_SYMBOL_GPL(of_led_get);
+
+/**
+ * led_put() - release a LED device
+ * @led_cdev: LED device
+ */
+void led_put(struct led_classdev *led_cdev)
+{
+	module_put(led_cdev->dev->parent->driver->owner);
+}
+EXPORT_SYMBOL_GPL(led_put);
+
+static void devm_led_release(struct device *dev, void *res)
+{
+	struct led_classdev **p = res;
+
+	led_put(*p);
+}
+
+/**
+ * devm_of_led_get - Resource-managed request of a LED device
+ * @dev:	LED consumer
+ * @index:	index of the LED to obtain in the consumer
+ *
+ * The device node of the device is parse to find the request LED device.
+ * The LED device returned from this function is automatically released
+ * on driver detach.
+ *
+ * @return a pointer to a LED device or ERR_PTR(errno) on failure.
+ */
+struct led_classdev *__must_check devm_of_led_get(struct device *dev,
+						  int index)
+{
+	struct led_classdev *led;
+	struct led_classdev **dr;
+
+	if (!dev)
+		return ERR_PTR(-EINVAL);
+
+	led = of_led_get(dev->of_node, index);
+	if (IS_ERR(led))
+		return led;
+
+	dr = devres_alloc(devm_led_release, sizeof(struct led_classdev *),
+			  GFP_KERNEL);
+	if (!dr) {
+		led_put(led);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	*dr = led;
+	devres_add(dev, dr);
+
+	return led;
+}
+EXPORT_SYMBOL_GPL(devm_of_led_get);
+
 static int led_classdev_next_name(const char *init_name, char *name,
 				  size_t len)
 {
@@ -261,6 +350,11 @@
 		ret = led_compose_name(parent, init_data, composed_name);
 		if (ret < 0)
 			return ret;
+
+		if (init_data->fwnode)
+			fwnode_property_read_string(init_data->fwnode,
+				"linux,default-trigger",
+				&led_cdev->default_trigger);
 	} else {
 		proposed_name = led_cdev->name;
 	}
@@ -277,8 +371,10 @@
 		mutex_unlock(&led_cdev->led_access);
 		return PTR_ERR(led_cdev->dev);
 	}
-	if (init_data && init_data->fwnode)
+	if (init_data && init_data->fwnode) {
 		led_cdev->dev->fwnode = init_data->fwnode;
+		led_cdev->dev->of_node = to_of_node(init_data->fwnode);
+	}
 
 	if (ret)
 		dev_warn(parent, "Led %s renamed to %s due to name collision",
@@ -404,7 +500,7 @@
 
 static int devm_led_classdev_match(struct device *dev, void *res, void *data)
 {
-	struct led_cdev **p = res;
+	struct led_classdev **p = res;
 
 	if (WARN_ON(!p || !*p))
 		return 0;
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index f1f718d..c4e780b 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -34,6 +34,8 @@
 	[LED_COLOR_ID_VIOLET] = "violet",
 	[LED_COLOR_ID_YELLOW] = "yellow",
 	[LED_COLOR_ID_IR] = "ir",
+	[LED_COLOR_ID_MULTI] = "multicolor",
+	[LED_COLOR_ID_RGB] = "rgb",
 };
 EXPORT_SYMBOL_GPL(led_colors);
 
@@ -423,6 +425,10 @@
 	struct fwnode_handle *fwnode = init_data->fwnode;
 	const char *devicename = init_data->devicename;
 
+	/* We want to label LEDs that can produce full range of colors
+	 * as RGB, not multicolor */
+	BUG_ON(props.color == LED_COLOR_ID_MULTI);
+
 	if (!led_classdev_name)
 		return -EINVAL;
 
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 0d59763..4e7b78a 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -16,6 +16,7 @@
 #include <linux/rwsem.h>
 #include <linux/leds.h>
 #include <linux/slab.h>
+#include <linux/mm.h>
 #include "leds.h"
 
 /*
@@ -26,9 +27,17 @@
 
  /* Used by LED Class */
 
-ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
+static inline bool
+trigger_relevant(struct led_classdev *led_cdev, struct led_trigger *trig)
 {
+	return !trig->trigger_type || trig->trigger_type == led_cdev->trigger_type;
+}
+
+ssize_t led_trigger_write(struct file *filp, struct kobject *kobj,
+			  struct bin_attribute *bin_attr, char *buf,
+			  loff_t pos, size_t count)
+{
+	struct device *dev = kobj_to_dev(kobj);
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
 	struct led_trigger *trig;
 	int ret = count;
@@ -47,7 +56,7 @@
 
 	down_read(&triggers_list_lock);
 	list_for_each_entry(trig, &trigger_list, next_trig) {
-		if (sysfs_streq(buf, trig->name)) {
+		if (sysfs_streq(buf, trig->name) && trigger_relevant(led_cdev, trig)) {
 			down_write(&led_cdev->trigger_lock);
 			led_trigger_set(led_cdev, trig);
 			up_write(&led_cdev->trigger_lock);
@@ -64,39 +73,86 @@
 	mutex_unlock(&led_cdev->led_access);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(led_trigger_store);
+EXPORT_SYMBOL_GPL(led_trigger_write);
 
-ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
-		char *buf)
+__printf(3, 4)
+static int led_trigger_snprintf(char *buf, ssize_t size, const char *fmt, ...)
 {
-	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	va_list args;
+	int i;
+
+	va_start(args, fmt);
+	if (size <= 0)
+		i = vsnprintf(NULL, 0, fmt, args);
+	else
+		i = vscnprintf(buf, size, fmt, args);
+	va_end(args);
+
+	return i;
+}
+
+static int led_trigger_format(char *buf, size_t size,
+			      struct led_classdev *led_cdev)
+{
 	struct led_trigger *trig;
-	int len = 0;
+	int len = led_trigger_snprintf(buf, size, "%s",
+				       led_cdev->trigger ? "none" : "[none]");
+
+	list_for_each_entry(trig, &trigger_list, next_trig) {
+		bool hit;
+
+		if (!trigger_relevant(led_cdev, trig))
+			continue;
+
+		hit = led_cdev->trigger && !strcmp(led_cdev->trigger->name, trig->name);
+
+		len += led_trigger_snprintf(buf + len, size - len,
+					    " %s%s%s", hit ? "[" : "",
+					    trig->name, hit ? "]" : "");
+	}
+
+	len += led_trigger_snprintf(buf + len, size - len, "\n");
+
+	return len;
+}
+
+/*
+ * It was stupid to create 10000 cpu triggers, but we are stuck with it now.
+ * Don't make that mistake again. We work around it here by creating binary
+ * attribute, which is not limited by length. This is _not_ good design, do not
+ * copy it.
+ */
+ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
+			struct bin_attribute *attr, char *buf,
+			loff_t pos, size_t count)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	void *data;
+	int len;
 
 	down_read(&triggers_list_lock);
 	down_read(&led_cdev->trigger_lock);
 
-	if (!led_cdev->trigger)
-		len += scnprintf(buf+len, PAGE_SIZE - len, "[none] ");
-	else
-		len += scnprintf(buf+len, PAGE_SIZE - len, "none ");
-
-	list_for_each_entry(trig, &trigger_list, next_trig) {
-		if (led_cdev->trigger && !strcmp(led_cdev->trigger->name,
-							trig->name))
-			len += scnprintf(buf+len, PAGE_SIZE - len, "[%s] ",
-					 trig->name);
-		else
-			len += scnprintf(buf+len, PAGE_SIZE - len, "%s ",
-					 trig->name);
+	len = led_trigger_format(NULL, 0, led_cdev);
+	data = kvmalloc(len + 1, GFP_KERNEL);
+	if (!data) {
+		up_read(&led_cdev->trigger_lock);
+		up_read(&triggers_list_lock);
+		return -ENOMEM;
 	}
+	len = led_trigger_format(data, len + 1, led_cdev);
+
 	up_read(&led_cdev->trigger_lock);
 	up_read(&triggers_list_lock);
 
-	len += scnprintf(len+buf, PAGE_SIZE - len, "\n");
+	len = memory_read_from_buffer(buf, count, &pos, data, len);
+
+	kvfree(data);
+
 	return len;
 }
-EXPORT_SYMBOL_GPL(led_trigger_show);
+EXPORT_SYMBOL_GPL(led_trigger_read);
 
 /* Caller must ensure led_cdev->trigger_lock held */
 int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
@@ -197,7 +253,8 @@
 	down_read(&triggers_list_lock);
 	down_write(&led_cdev->trigger_lock);
 	list_for_each_entry(trig, &trigger_list, next_trig) {
-		if (!strcmp(led_cdev->default_trigger, trig->name)) {
+		if (!strcmp(led_cdev->default_trigger, trig->name) &&
+		    trigger_relevant(led_cdev, trig)) {
 			led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;
 			led_trigger_set(led_cdev, trig);
 			break;
@@ -234,7 +291,9 @@
 	down_write(&triggers_list_lock);
 	/* Make sure the trigger's name isn't already in use */
 	list_for_each_entry(_trig, &trigger_list, next_trig) {
-		if (!strcmp(_trig->name, trig->name)) {
+		if (!strcmp(_trig->name, trig->name) &&
+		    (trig->trigger_type == _trig->trigger_type ||
+		     !trig->trigger_type || !_trig->trigger_type)) {
 			up_write(&triggers_list_lock);
 			return -EEXIST;
 		}
@@ -248,7 +307,8 @@
 	list_for_each_entry(led_cdev, &leds_list, node) {
 		down_write(&led_cdev->trigger_lock);
 		if (!led_cdev->trigger && led_cdev->default_trigger &&
-			    !strcmp(led_cdev->default_trigger, trig->name)) {
+		    !strcmp(led_cdev->default_trigger, trig->name) &&
+		    trigger_relevant(led_cdev, trig)) {
 			led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;
 			led_trigger_set(led_cdev, trig);
 		}
@@ -312,7 +372,7 @@
 }
 EXPORT_SYMBOL_GPL(devm_led_trigger_register);
 
-/* Simple LED Tigger Interface */
+/* Simple LED Trigger Interface */
 
 void led_trigger_event(struct led_trigger *trig,
 			enum led_brightness brightness)
diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 465c375..508d0d8 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -118,14 +118,14 @@
 	struct device_node *nproot, *np;
 	int iset = 0;
 
-	if (!pdev->dev.parent->of_node)
+	if (!dev_of_node(pdev->dev.parent))
 		return -ENODEV;
-	nproot = of_get_child_by_name(pdev->dev.parent->of_node, "leds");
+	nproot = of_get_child_by_name(dev_of_node(pdev->dev.parent), "leds");
 	if (!nproot) {
 		dev_err(&pdev->dev, "failed to find leds node\n");
 		return -ENODEV;
 	}
-	for_each_child_of_node(nproot, np) {
+	for_each_available_child_of_node(nproot, np) {
 		if (of_node_name_eq(np, data->name)) {
 			of_property_read_u32(np, "marvell,88pm860x-iset",
 					     &iset);
diff --git a/drivers/leds/leds-aat1290.c b/drivers/leds/leds-aat1290.c
index 5a0fe7b..589484b 100644
--- a/drivers/leds/leds-aat1290.c
+++ b/drivers/leds/leds-aat1290.c
@@ -248,7 +248,7 @@
 	}
 #endif
 
-	child_node = of_get_next_available_child(dev->of_node, NULL);
+	child_node = of_get_next_available_child(dev_of_node(dev), NULL);
 	if (!child_node) {
 		dev_err(dev, "No DT child node found for connected LED.\n");
 		return -EINVAL;
diff --git a/drivers/leds/leds-acer-a500.c b/drivers/leds/leds-acer-a500.c
new file mode 100644
index 0000000..8cf0b11
--- /dev/null
+++ b/drivers/leds/leds-acer-a500.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#define A500_EC_LED_DELAY_USEC	(100 * 1000)
+
+enum {
+	REG_RESET_LEDS = 0x40,
+	REG_POWER_LED_ON = 0x42,
+	REG_CHARGE_LED_ON = 0x43,
+	REG_ANDROID_LEDS_OFF = 0x5a,
+};
+
+struct a500_led {
+	struct led_classdev cdev;
+	const struct reg_sequence *enable_seq;
+	struct a500_led *other;
+	struct regmap *rmap;
+};
+
+static const struct reg_sequence a500_ec_leds_reset_seq[] = {
+	REG_SEQ(REG_RESET_LEDS, 0x0, A500_EC_LED_DELAY_USEC),
+	REG_SEQ(REG_ANDROID_LEDS_OFF, 0x0, A500_EC_LED_DELAY_USEC),
+};
+
+static const struct reg_sequence a500_ec_white_led_enable_seq[] = {
+	REG_SEQ(REG_POWER_LED_ON, 0x0, A500_EC_LED_DELAY_USEC),
+};
+
+static const struct reg_sequence a500_ec_orange_led_enable_seq[] = {
+	REG_SEQ(REG_CHARGE_LED_ON, 0x0, A500_EC_LED_DELAY_USEC),
+};
+
+static int a500_ec_led_brightness_set(struct led_classdev *led_cdev,
+				      enum led_brightness value)
+{
+	struct a500_led *led = container_of(led_cdev, struct a500_led, cdev);
+	struct reg_sequence control_seq[2];
+	unsigned int num_regs = 1;
+
+	if (value) {
+		control_seq[0] = led->enable_seq[0];
+	} else {
+		/*
+		 * There is no separate controls which can disable LEDs
+		 * individually, there is only RESET_LEDS command that turns
+		 * off both LEDs.
+		 *
+		 * RESET_LEDS turns off both LEDs, thus restore other LED if
+		 * it's turned ON.
+		 */
+		if (led->other->cdev.brightness)
+			num_regs = 2;
+
+		control_seq[0] = a500_ec_leds_reset_seq[0];
+		control_seq[1] = led->other->enable_seq[0];
+	}
+
+	return regmap_multi_reg_write(led->rmap, control_seq, num_regs);
+}
+
+static int a500_ec_leds_probe(struct platform_device *pdev)
+{
+	struct a500_led *white_led, *orange_led;
+	struct regmap *rmap;
+	int err;
+
+	rmap = dev_get_regmap(pdev->dev.parent, "KB930");
+	if (!rmap)
+		return -EINVAL;
+
+	/* reset and turn off LEDs */
+	regmap_multi_reg_write(rmap, a500_ec_leds_reset_seq, 2);
+
+	white_led = devm_kzalloc(&pdev->dev, sizeof(*white_led), GFP_KERNEL);
+	if (!white_led)
+		return -ENOMEM;
+
+	white_led->cdev.name = "power:white";
+	white_led->cdev.brightness_set_blocking = a500_ec_led_brightness_set;
+	white_led->cdev.flags = LED_CORE_SUSPENDRESUME;
+	white_led->cdev.max_brightness = 1;
+	white_led->enable_seq = a500_ec_white_led_enable_seq;
+	white_led->rmap = rmap;
+
+	orange_led = devm_kzalloc(&pdev->dev, sizeof(*orange_led), GFP_KERNEL);
+	if (!orange_led)
+		return -ENOMEM;
+
+	orange_led->cdev.name = "power:orange";
+	orange_led->cdev.brightness_set_blocking = a500_ec_led_brightness_set;
+	orange_led->cdev.flags = LED_CORE_SUSPENDRESUME;
+	orange_led->cdev.max_brightness = 1;
+	orange_led->enable_seq = a500_ec_orange_led_enable_seq;
+	orange_led->rmap = rmap;
+
+	white_led->other = orange_led;
+	orange_led->other = white_led;
+
+	err = devm_led_classdev_register(&pdev->dev, &white_led->cdev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to register white LED\n");
+		return err;
+	}
+
+	err = devm_led_classdev_register(&pdev->dev, &orange_led->cdev);
+	if (err) {
+		dev_err(&pdev->dev, "failed to register orange LED\n");
+		return err;
+	}
+
+	return 0;
+}
+
+static struct platform_driver a500_ec_leds_driver = {
+	.driver = {
+		.name = "acer-a500-iconia-leds",
+	},
+	.probe = a500_ec_leds_probe,
+};
+module_platform_driver(a500_ec_leds_driver);
+
+MODULE_DESCRIPTION("LED driver for Acer Iconia Tab A500 Power Button");
+MODULE_AUTHOR("Dmitry Osipenko <digetx@gmail.com>");
+MODULE_ALIAS("platform:acer-a500-iconia-leds");
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c
index 82350a2..a0df1fb 100644
--- a/drivers/leds/leds-an30259a.c
+++ b/drivers/leds/leds-an30259a.c
@@ -202,13 +202,13 @@
 static int an30259a_dt_init(struct i2c_client *client,
 			    struct an30259a *chip)
 {
-	struct device_node *np = client->dev.of_node, *child;
+	struct device_node *np = dev_of_node(&client->dev), *child;
 	int count, ret;
 	int i = 0;
 	const char *str;
 	struct an30259a_led *led;
 
-	count = of_get_child_count(np);
+	count = of_get_available_child_count(np);
 	if (!count || count > AN30259A_MAX_LEDS)
 		return -EINVAL;
 
@@ -238,9 +238,6 @@
 				led->default_state = STATE_OFF;
 		}
 
-		of_property_read_string(child, "linux,default-trigger",
-					&led->cdev.default_trigger);
-
 		i++;
 	}
 
diff --git a/drivers/leds/leds-ariel.c b/drivers/leds/leds-ariel.c
new file mode 100644
index 0000000..bb68ba2
--- /dev/null
+++ b/drivers/leds/leds-ariel.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-or-later
+/*
+ * Dell Wyse 3020 a.k.a. "Ariel" Embedded Controller LED Driver
+ *
+ * Copyright (C) 2020 Lubomir Rintel
+ */
+
+#include <linux/module.h>
+#include <linux/leds.h>
+#include <linux/regmap.h>
+#include <linux/of_platform.h>
+
+enum ec_index {
+	EC_BLUE_LED	= 0x01,
+	EC_AMBER_LED	= 0x02,
+	EC_GREEN_LED	= 0x03,
+};
+
+enum {
+	EC_LED_OFF	= 0x00,
+	EC_LED_STILL	= 0x01,
+	EC_LED_FADE	= 0x02,
+	EC_LED_BLINK	= 0x03,
+};
+
+struct ariel_led {
+	struct regmap *ec_ram;
+	enum ec_index ec_index;
+	struct led_classdev led_cdev;
+};
+
+#define led_cdev_to_ariel_led(c) container_of(c, struct ariel_led, led_cdev)
+
+static enum led_brightness ariel_led_get(struct led_classdev *led_cdev)
+{
+	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);
+	unsigned int led_status = 0;
+
+	if (regmap_read(led->ec_ram, led->ec_index, &led_status))
+		return LED_OFF;
+
+	if (led_status == EC_LED_STILL)
+		return LED_FULL;
+	else
+		return LED_OFF;
+}
+
+static void ariel_led_set(struct led_classdev *led_cdev,
+			  enum led_brightness brightness)
+{
+	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);
+
+	if (brightness == LED_OFF)
+		regmap_write(led->ec_ram, led->ec_index, EC_LED_OFF);
+	else
+		regmap_write(led->ec_ram, led->ec_index, EC_LED_STILL);
+}
+
+static int ariel_blink_set(struct led_classdev *led_cdev,
+			   unsigned long *delay_on, unsigned long *delay_off)
+{
+	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);
+
+	if (*delay_on == 0 && *delay_off == 0)
+		return -EINVAL;
+
+	if (*delay_on == 0) {
+		regmap_write(led->ec_ram, led->ec_index, EC_LED_OFF);
+	} else if (*delay_off == 0) {
+		regmap_write(led->ec_ram, led->ec_index, EC_LED_STILL);
+	} else {
+		*delay_on = 500;
+		*delay_off = 500;
+		regmap_write(led->ec_ram, led->ec_index, EC_LED_BLINK);
+	}
+
+	return 0;
+}
+
+#define NLEDS 3
+
+static int ariel_led_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct ariel_led *leds;
+	struct regmap *ec_ram;
+	int ret;
+	int i;
+
+	ec_ram = dev_get_regmap(dev->parent, "ec_ram");
+	if (!ec_ram)
+		return -ENODEV;
+
+	leds = devm_kcalloc(dev, NLEDS, sizeof(*leds), GFP_KERNEL);
+	if (!leds)
+		return -ENOMEM;
+
+	leds[0].ec_index = EC_BLUE_LED;
+	leds[0].led_cdev.name = "blue:power",
+	leds[0].led_cdev.default_trigger = "default-on";
+
+	leds[1].ec_index = EC_AMBER_LED;
+	leds[1].led_cdev.name = "amber:status",
+
+	leds[2].ec_index = EC_GREEN_LED;
+	leds[2].led_cdev.name = "green:status",
+	leds[2].led_cdev.default_trigger = "default-on";
+
+	for (i = 0; i < NLEDS; i++) {
+		leds[i].ec_ram = ec_ram;
+		leds[i].led_cdev.brightness_get = ariel_led_get;
+		leds[i].led_cdev.brightness_set = ariel_led_set;
+		leds[i].led_cdev.blink_set = ariel_blink_set;
+
+		ret = devm_led_classdev_register(dev, &leds[i].led_cdev);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static struct platform_driver ariel_led_driver = {
+	.probe = ariel_led_probe,
+	.driver = {
+		.name = "dell-wyse-ariel-led",
+	},
+};
+module_platform_driver(ariel_led_driver);
+
+MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
+MODULE_DESCRIPTION("Dell Wyse 3020 Status LEDs Driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index 1dc6f1b..80411d4 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -493,16 +493,17 @@
 		switch (id) {
 		case AS_LED_FLASH:
 			flash->flash_node = child;
+			fwnode_handle_get(child);
 			break;
 		case AS_LED_INDICATOR:
 			flash->indicator_node = child;
+			fwnode_handle_get(child);
 			break;
 		default:
 			dev_warn(&flash->client->dev,
 				 "unknown LED %u encountered, ignoring\n", id);
 			break;
 		}
-		fwnode_handle_get(child);
 	}
 
 	if (!flash->flash_node) {
diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c
new file mode 100644
index 0000000..80d9374
--- /dev/null
+++ b/drivers/leds/leds-aw2013.c
@@ -0,0 +1,435 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Driver for Awinic AW2013 3-channel LED driver
+
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#define AW2013_MAX_LEDS 3
+
+/* Reset and ID register */
+#define AW2013_RSTR 0x00
+#define AW2013_RSTR_RESET 0x55
+#define AW2013_RSTR_CHIP_ID 0x33
+
+/* Global control register */
+#define AW2013_GCR 0x01
+#define AW2013_GCR_ENABLE BIT(0)
+
+/* LED channel enable register */
+#define AW2013_LCTR 0x30
+#define AW2013_LCTR_LE(x) BIT((x))
+
+/* LED channel control registers */
+#define AW2013_LCFG(x) (0x31 + (x))
+#define AW2013_LCFG_IMAX_MASK (BIT(0) | BIT(1)) // Should be 0-3
+#define AW2013_LCFG_MD BIT(4)
+#define AW2013_LCFG_FI BIT(5)
+#define AW2013_LCFG_FO BIT(6)
+
+/* LED channel PWM registers */
+#define AW2013_REG_PWM(x) (0x34 + (x))
+
+/* LED channel timing registers */
+#define AW2013_LEDT0(x) (0x37 + (x) * 3)
+#define AW2013_LEDT0_T1(x) ((x) << 4) // Should be 0-7
+#define AW2013_LEDT0_T2(x) (x) // Should be 0-5
+
+#define AW2013_LEDT1(x) (0x38 + (x) * 3)
+#define AW2013_LEDT1_T3(x) ((x) << 4) // Should be 0-7
+#define AW2013_LEDT1_T4(x) (x) // Should be 0-7
+
+#define AW2013_LEDT2(x) (0x39 + (x) * 3)
+#define AW2013_LEDT2_T0(x) ((x) << 4) // Should be 0-8
+#define AW2013_LEDT2_REPEAT(x) (x) // Should be 0-15
+
+#define AW2013_REG_MAX 0x77
+
+#define AW2013_TIME_STEP 130 /* ms */
+
+struct aw2013;
+
+struct aw2013_led {
+	struct aw2013 *chip;
+	struct led_classdev cdev;
+	u32 num;
+	unsigned int imax;
+};
+
+struct aw2013 {
+	struct mutex mutex; /* held when writing to registers */
+	struct regulator *vcc_regulator;
+	struct i2c_client *client;
+	struct aw2013_led leds[AW2013_MAX_LEDS];
+	struct regmap *regmap;
+	int num_leds;
+	bool enabled;
+};
+
+static int aw2013_chip_init(struct aw2013 *chip)
+{
+	int i, ret;
+
+	ret = regmap_write(chip->regmap, AW2013_GCR, AW2013_GCR_ENABLE);
+	if (ret) {
+		dev_err(&chip->client->dev, "Failed to enable the chip: %d\n",
+			ret);
+		return ret;
+	}
+
+	for (i = 0; i < chip->num_leds; i++) {
+		ret = regmap_update_bits(chip->regmap,
+					 AW2013_LCFG(chip->leds[i].num),
+					 AW2013_LCFG_IMAX_MASK,
+					 chip->leds[i].imax);
+		if (ret) {
+			dev_err(&chip->client->dev,
+				"Failed to set maximum current for led %d: %d\n",
+				chip->leds[i].num, ret);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static void aw2013_chip_disable(struct aw2013 *chip)
+{
+	int ret;
+
+	if (!chip->enabled)
+		return;
+
+	regmap_write(chip->regmap, AW2013_GCR, 0);
+
+	ret = regulator_disable(chip->vcc_regulator);
+	if (ret) {
+		dev_err(&chip->client->dev,
+			"Failed to disable regulator: %d\n", ret);
+		return;
+	}
+
+	chip->enabled = false;
+}
+
+static int aw2013_chip_enable(struct aw2013 *chip)
+{
+	int ret;
+
+	if (chip->enabled)
+		return 0;
+
+	ret = regulator_enable(chip->vcc_regulator);
+	if (ret) {
+		dev_err(&chip->client->dev,
+			"Failed to enable regulator: %d\n", ret);
+		return ret;
+	}
+	chip->enabled = true;
+
+	ret = aw2013_chip_init(chip);
+	if (ret)
+		aw2013_chip_disable(chip);
+
+	return ret;
+}
+
+static bool aw2013_chip_in_use(struct aw2013 *chip)
+{
+	int i;
+
+	for (i = 0; i < chip->num_leds; i++)
+		if (chip->leds[i].cdev.brightness)
+			return true;
+
+	return false;
+}
+
+static int aw2013_brightness_set(struct led_classdev *cdev,
+				 enum led_brightness brightness)
+{
+	struct aw2013_led *led = container_of(cdev, struct aw2013_led, cdev);
+	int ret, num;
+
+	mutex_lock(&led->chip->mutex);
+
+	if (aw2013_chip_in_use(led->chip)) {
+		ret = aw2013_chip_enable(led->chip);
+		if (ret)
+			goto error;
+	}
+
+	num = led->num;
+
+	ret = regmap_write(led->chip->regmap, AW2013_REG_PWM(num), brightness);
+	if (ret)
+		goto error;
+
+	if (brightness) {
+		ret = regmap_update_bits(led->chip->regmap, AW2013_LCTR,
+					 AW2013_LCTR_LE(num), 0xFF);
+	} else {
+		ret = regmap_update_bits(led->chip->regmap, AW2013_LCTR,
+					 AW2013_LCTR_LE(num), 0);
+		if (ret)
+			goto error;
+		ret = regmap_update_bits(led->chip->regmap, AW2013_LCFG(num),
+					 AW2013_LCFG_MD, 0);
+	}
+	if (ret)
+		goto error;
+
+	if (!aw2013_chip_in_use(led->chip))
+		aw2013_chip_disable(led->chip);
+
+error:
+	mutex_unlock(&led->chip->mutex);
+
+	return ret;
+}
+
+static int aw2013_blink_set(struct led_classdev *cdev,
+			    unsigned long *delay_on, unsigned long *delay_off)
+{
+	struct aw2013_led *led = container_of(cdev, struct aw2013_led, cdev);
+	int ret, num = led->num;
+	unsigned long off = 0, on = 0;
+
+	/* If no blink specified, default to 1 Hz. */
+	if (!*delay_off && !*delay_on) {
+		*delay_off = 500;
+		*delay_on = 500;
+	}
+
+	if (!led->cdev.brightness) {
+		led->cdev.brightness = LED_FULL;
+		ret = aw2013_brightness_set(&led->cdev, led->cdev.brightness);
+		if (ret)
+			return ret;
+	}
+
+	/* Never on - just set to off */
+	if (!*delay_on) {
+		led->cdev.brightness = LED_OFF;
+		return aw2013_brightness_set(&led->cdev, LED_OFF);
+	}
+
+	mutex_lock(&led->chip->mutex);
+
+	/* Never off - brightness is already set, disable blinking */
+	if (!*delay_off) {
+		ret = regmap_update_bits(led->chip->regmap, AW2013_LCFG(num),
+					 AW2013_LCFG_MD, 0);
+		goto out;
+	}
+
+	/* Convert into values the HW will understand. */
+	off = min(5, ilog2((*delay_off - 1) / AW2013_TIME_STEP) + 1);
+	on = min(7, ilog2((*delay_on - 1) / AW2013_TIME_STEP) + 1);
+
+	*delay_off = BIT(off) * AW2013_TIME_STEP;
+	*delay_on = BIT(on) * AW2013_TIME_STEP;
+
+	/* Set timings */
+	ret = regmap_write(led->chip->regmap,
+			   AW2013_LEDT0(num), AW2013_LEDT0_T2(on));
+	if (ret)
+		goto out;
+	ret = regmap_write(led->chip->regmap,
+			   AW2013_LEDT1(num), AW2013_LEDT1_T4(off));
+	if (ret)
+		goto out;
+
+	/* Finally, enable the LED */
+	ret = regmap_update_bits(led->chip->regmap, AW2013_LCFG(num),
+				 AW2013_LCFG_MD, 0xFF);
+	if (ret)
+		goto out;
+
+	ret = regmap_update_bits(led->chip->regmap, AW2013_LCTR,
+				 AW2013_LCTR_LE(num), 0xFF);
+
+out:
+	mutex_unlock(&led->chip->mutex);
+
+	return ret;
+}
+
+static int aw2013_probe_dt(struct aw2013 *chip)
+{
+	struct device_node *np = dev_of_node(&chip->client->dev), *child;
+	int count, ret = 0, i = 0;
+	struct aw2013_led *led;
+
+	count = of_get_available_child_count(np);
+	if (!count || count > AW2013_MAX_LEDS)
+		return -EINVAL;
+
+	regmap_write(chip->regmap, AW2013_RSTR, AW2013_RSTR_RESET);
+
+	for_each_available_child_of_node(np, child) {
+		struct led_init_data init_data = {};
+		u32 source;
+		u32 imax;
+
+		ret = of_property_read_u32(child, "reg", &source);
+		if (ret != 0 || source >= AW2013_MAX_LEDS) {
+			dev_err(&chip->client->dev,
+				"Couldn't read LED address: %d\n", ret);
+			count--;
+			continue;
+		}
+
+		led = &chip->leds[i];
+		led->num = source;
+		led->chip = chip;
+		init_data.fwnode = of_fwnode_handle(child);
+
+		if (!of_property_read_u32(child, "led-max-microamp", &imax)) {
+			led->imax = min_t(u32, imax / 5000, 3);
+		} else {
+			led->imax = 1; // 5mA
+			dev_info(&chip->client->dev,
+				 "DT property led-max-microamp is missing\n");
+		}
+
+		led->cdev.brightness_set_blocking = aw2013_brightness_set;
+		led->cdev.blink_set = aw2013_blink_set;
+
+		ret = devm_led_classdev_register_ext(&chip->client->dev,
+						     &led->cdev, &init_data);
+		if (ret < 0) {
+			of_node_put(child);
+			return ret;
+		}
+
+		i++;
+	}
+
+	if (!count)
+		return -EINVAL;
+
+	chip->num_leds = i;
+
+	return 0;
+}
+
+static const struct regmap_config aw2013_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = AW2013_REG_MAX,
+};
+
+static int aw2013_probe(struct i2c_client *client)
+{
+	struct aw2013 *chip;
+	int ret;
+	unsigned int chipid;
+
+	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	mutex_init(&chip->mutex);
+	mutex_lock(&chip->mutex);
+
+	chip->client = client;
+	i2c_set_clientdata(client, chip);
+
+	chip->regmap = devm_regmap_init_i2c(client, &aw2013_regmap_config);
+	if (IS_ERR(chip->regmap)) {
+		ret = PTR_ERR(chip->regmap);
+		dev_err(&client->dev, "Failed to allocate register map: %d\n",
+			ret);
+		goto error;
+	}
+
+	chip->vcc_regulator = devm_regulator_get(&client->dev, "vcc");
+	ret = PTR_ERR_OR_ZERO(chip->vcc_regulator);
+	if (ret) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(&client->dev,
+				"Failed to request regulator: %d\n", ret);
+		goto error;
+	}
+
+	ret = regulator_enable(chip->vcc_regulator);
+	if (ret) {
+		dev_err(&client->dev,
+			"Failed to enable regulator: %d\n", ret);
+		goto error;
+	}
+
+	ret = regmap_read(chip->regmap, AW2013_RSTR, &chipid);
+	if (ret) {
+		dev_err(&client->dev, "Failed to read chip ID: %d\n",
+			ret);
+		goto error_reg;
+	}
+
+	if (chipid != AW2013_RSTR_CHIP_ID) {
+		dev_err(&client->dev, "Chip reported wrong ID: %x\n",
+			chipid);
+		ret = -ENODEV;
+		goto error_reg;
+	}
+
+	ret = aw2013_probe_dt(chip);
+	if (ret < 0)
+		goto error_reg;
+
+	ret = regulator_disable(chip->vcc_regulator);
+	if (ret) {
+		dev_err(&client->dev,
+			"Failed to disable regulator: %d\n", ret);
+		goto error;
+	}
+
+	mutex_unlock(&chip->mutex);
+
+	return 0;
+
+error_reg:
+	regulator_disable(chip->vcc_regulator);
+
+error:
+	mutex_destroy(&chip->mutex);
+	return ret;
+}
+
+static int aw2013_remove(struct i2c_client *client)
+{
+	struct aw2013 *chip = i2c_get_clientdata(client);
+
+	aw2013_chip_disable(chip);
+
+	mutex_destroy(&chip->mutex);
+
+	return 0;
+}
+
+static const struct of_device_id aw2013_match_table[] = {
+	{ .compatible = "awinic,aw2013", },
+	{ /* sentinel */ },
+};
+
+MODULE_DEVICE_TABLE(of, aw2013_match_table);
+
+static struct i2c_driver aw2013_driver = {
+	.driver = {
+		.name = "leds-aw2013",
+		.of_match_table = of_match_ptr(aw2013_match_table),
+	},
+	.probe_new = aw2013_probe,
+	.remove = aw2013_remove,
+};
+
+module_i2c_driver(aw2013_driver);
+
+MODULE_AUTHOR("Nikita Travkin <nikitos.tr@gmail.com>");
+MODULE_DESCRIPTION("AW2013 LED driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
index de93275..226d17d 100644
--- a/drivers/leds/leds-bcm6328.c
+++ b/drivers/leds/leds-bcm6328.c
@@ -24,12 +24,17 @@
 
 #define BCM6328_LED_MAX_COUNT		24
 #define BCM6328_LED_DEF_DELAY		500
-#define BCM6328_LED_INTERVAL_MS		20
 
-#define BCM6328_LED_INTV_MASK		0x3f
-#define BCM6328_LED_FAST_INTV_SHIFT	6
-#define BCM6328_LED_FAST_INTV_MASK	(BCM6328_LED_INTV_MASK << \
-					 BCM6328_LED_FAST_INTV_SHIFT)
+#define BCM6328_LED_BLINK_DELAYS	2
+#define BCM6328_LED_BLINK_MS		20
+
+#define BCM6328_LED_BLINK_MASK		0x3f
+#define BCM6328_LED_BLINK1_SHIFT	0
+#define BCM6328_LED_BLINK1_MASK		(BCM6328_LED_BLINK_MASK << \
+					 BCM6328_LED_BLINK1_SHIFT)
+#define BCM6328_LED_BLINK2_SHIFT	6
+#define BCM6328_LED_BLINK2_MASK		(BCM6328_LED_BLINK_MASK << \
+					 BCM6328_LED_BLINK2_SHIFT)
 #define BCM6328_SERIAL_LED_EN		BIT(12)
 #define BCM6328_SERIAL_LED_MUX		BIT(13)
 #define BCM6328_SERIAL_LED_CLK_NPOL	BIT(14)
@@ -45,8 +50,8 @@
 
 #define BCM6328_LED_MODE_MASK		3
 #define BCM6328_LED_MODE_ON		0
-#define BCM6328_LED_MODE_FAST		1
-#define BCM6328_LED_MODE_BLINK		2
+#define BCM6328_LED_MODE_BLINK1		1
+#define BCM6328_LED_MODE_BLINK2		2
 #define BCM6328_LED_MODE_OFF		3
 #define BCM6328_LED_SHIFT(X)		((X) << 1)
 
@@ -127,12 +132,18 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(led->lock, flags);
-	*(led->blink_leds) &= ~BIT(led->pin);
+
+	/* Remove LED from cached HW blinking intervals */
+	led->blink_leds[0] &= ~BIT(led->pin);
+	led->blink_leds[1] &= ~BIT(led->pin);
+
+	/* Set LED on/off */
 	if ((led->active_low && value == LED_OFF) ||
 	    (!led->active_low && value != LED_OFF))
 		bcm6328_led_mode(led, BCM6328_LED_MODE_ON);
 	else
 		bcm6328_led_mode(led, BCM6328_LED_MODE_OFF);
+
 	spin_unlock_irqrestore(led->lock, flags);
 }
 
@@ -140,8 +151,8 @@
 {
 	unsigned long bcm6328_delay;
 
-	bcm6328_delay = delay + BCM6328_LED_INTERVAL_MS / 2;
-	bcm6328_delay = bcm6328_delay / BCM6328_LED_INTERVAL_MS;
+	bcm6328_delay = delay + BCM6328_LED_BLINK_MS / 2;
+	bcm6328_delay = bcm6328_delay / BCM6328_LED_BLINK_MS;
 	if (bcm6328_delay == 0)
 		bcm6328_delay = 1;
 
@@ -168,28 +179,68 @@
 		return -EINVAL;
 	}
 
-	if (delay > BCM6328_LED_INTV_MASK) {
+	if (delay > BCM6328_LED_BLINK_MASK) {
 		dev_dbg(led_cdev->dev,
 			"fallback to soft blinking (delay > %ums)\n",
-			BCM6328_LED_INTV_MASK * BCM6328_LED_INTERVAL_MS);
+			BCM6328_LED_BLINK_MASK * BCM6328_LED_BLINK_MS);
 		return -EINVAL;
 	}
 
 	spin_lock_irqsave(led->lock, flags);
-	if (*(led->blink_leds) == 0 ||
-	    *(led->blink_leds) == BIT(led->pin) ||
-	    *(led->blink_delay) == delay) {
+	/*
+	 * Check if any of the two configurable HW blinking intervals is
+	 * available:
+	 *   1. No LEDs assigned to the HW blinking interval.
+	 *   2. Only this LED is assigned to the HW blinking interval.
+	 *   3. LEDs with the same delay assigned.
+	 */
+	if (led->blink_leds[0] == 0 ||
+	    led->blink_leds[0] == BIT(led->pin) ||
+	    led->blink_delay[0] == delay) {
 		unsigned long val;
 
-		*(led->blink_leds) |= BIT(led->pin);
-		*(led->blink_delay) = delay;
+		/* Add LED to the first HW blinking interval cache */
+		led->blink_leds[0] |= BIT(led->pin);
 
+		/* Remove LED from the second HW blinking interval cache */
+		led->blink_leds[1] &= ~BIT(led->pin);
+
+		/* Cache first HW blinking interval delay */
+		led->blink_delay[0] = delay;
+
+		/* Update the delay for the first HW blinking interval */
 		val = bcm6328_led_read(led->mem + BCM6328_REG_INIT);
-		val &= ~BCM6328_LED_FAST_INTV_MASK;
-		val |= (delay << BCM6328_LED_FAST_INTV_SHIFT);
+		val &= ~BCM6328_LED_BLINK1_MASK;
+		val |= (delay << BCM6328_LED_BLINK1_SHIFT);
 		bcm6328_led_write(led->mem + BCM6328_REG_INIT, val);
 
-		bcm6328_led_mode(led, BCM6328_LED_MODE_BLINK);
+		/* Set the LED to first HW blinking interval */
+		bcm6328_led_mode(led, BCM6328_LED_MODE_BLINK1);
+
+		rc = 0;
+	} else if (led->blink_leds[1] == 0 ||
+		   led->blink_leds[1] == BIT(led->pin) ||
+		   led->blink_delay[1] == delay) {
+		unsigned long val;
+
+		/* Remove LED from the first HW blinking interval */
+		led->blink_leds[0] &= ~BIT(led->pin);
+
+		/* Add LED to the second HW blinking interval */
+		led->blink_leds[1] |= BIT(led->pin);
+
+		/* Cache second HW blinking interval delay */
+		led->blink_delay[1] = delay;
+
+		/* Update the delay for the second HW blinking interval */
+		val = bcm6328_led_read(led->mem + BCM6328_REG_INIT);
+		val &= ~BCM6328_LED_BLINK2_MASK;
+		val |= (delay << BCM6328_LED_BLINK2_SHIFT);
+		bcm6328_led_write(led->mem + BCM6328_REG_INIT, val);
+
+		/* Set the LED to second HW blinking interval */
+		bcm6328_led_mode(led, BCM6328_LED_MODE_BLINK2);
+
 		rc = 0;
 	} else {
 		dev_dbg(led_cdev->dev,
@@ -277,6 +328,7 @@
 		       void __iomem *mem, spinlock_t *lock,
 		       unsigned long *blink_leds, unsigned long *blink_delay)
 {
+	struct led_init_data init_data = {};
 	struct bcm6328_led *led;
 	const char *state;
 	int rc;
@@ -294,11 +346,6 @@
 	if (of_property_read_bool(nc, "active-low"))
 		led->active_low = true;
 
-	led->cdev.name = of_get_property(nc, "label", NULL) ? : nc->name;
-	led->cdev.default_trigger = of_get_property(nc,
-						    "linux,default-trigger",
-						    NULL);
-
 	if (!of_property_read_string(nc, "default-state", &state)) {
 		if (!strcmp(state, "on")) {
 			led->cdev.brightness = LED_FULL;
@@ -331,8 +378,9 @@
 
 	led->cdev.brightness_set = bcm6328_led_set;
 	led->cdev.blink_set = bcm6328_blink_set;
+	init_data.fwnode = of_fwnode_handle(nc);
 
-	rc = devm_led_classdev_register(dev, &led->cdev);
+	rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
 	if (rc < 0)
 		return rc;
 
@@ -344,18 +392,13 @@
 static int bcm6328_leds_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *np = dev_of_node(&pdev->dev);
 	struct device_node *child;
-	struct resource *mem_r;
 	void __iomem *mem;
 	spinlock_t *lock; /* memory lock */
 	unsigned long val, *blink_leds, *blink_delay;
 
-	mem_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem_r)
-		return -EINVAL;
-
-	mem = devm_ioremap_resource(dev, mem_r);
+	mem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mem))
 		return PTR_ERR(mem);
 
@@ -363,11 +406,13 @@
 	if (!lock)
 		return -ENOMEM;
 
-	blink_leds = devm_kzalloc(dev, sizeof(*blink_leds), GFP_KERNEL);
+	blink_leds = devm_kcalloc(dev, BCM6328_LED_BLINK_DELAYS,
+				  sizeof(*blink_leds), GFP_KERNEL);
 	if (!blink_leds)
 		return -ENOMEM;
 
-	blink_delay = devm_kzalloc(dev, sizeof(*blink_delay), GFP_KERNEL);
+	blink_delay = devm_kcalloc(dev, BCM6328_LED_BLINK_DELAYS,
+				   sizeof(*blink_delay), GFP_KERNEL);
 	if (!blink_delay)
 		return -ENOMEM;
 
diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c
index dbb8953..9d2e487 100644
--- a/drivers/leds/leds-bcm6358.c
+++ b/drivers/leds/leds-bcm6358.c
@@ -94,6 +94,7 @@
 static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
 		       void __iomem *mem, spinlock_t *lock)
 {
+	struct led_init_data init_data = {};
 	struct bcm6358_led *led;
 	const char *state;
 	int rc;
@@ -109,11 +110,6 @@
 	if (of_property_read_bool(nc, "active-low"))
 		led->active_low = true;
 
-	led->cdev.name = of_get_property(nc, "label", NULL) ? : nc->name;
-	led->cdev.default_trigger = of_get_property(nc,
-						    "linux,default-trigger",
-						    NULL);
-
 	if (!of_property_read_string(nc, "default-state", &state)) {
 		if (!strcmp(state, "on")) {
 			led->cdev.brightness = LED_FULL;
@@ -136,8 +132,9 @@
 	bcm6358_led_set(&led->cdev, led->cdev.brightness);
 
 	led->cdev.brightness_set = bcm6358_led_set;
+	init_data.fwnode = of_fwnode_handle(nc);
 
-	rc = devm_led_classdev_register(dev, &led->cdev);
+	rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
 	if (rc < 0)
 		return rc;
 
@@ -149,19 +146,14 @@
 static int bcm6358_leds_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *np = dev_of_node(&pdev->dev);
 	struct device_node *child;
-	struct resource *mem_r;
 	void __iomem *mem;
 	spinlock_t *lock; /* memory lock */
 	unsigned long val;
 	u32 clk_div;
 
-	mem_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem_r)
-		return -EINVAL;
-
-	mem = devm_ioremap_resource(dev, mem_r);
+	mem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mem))
 		return PTR_ERR(mem);
 
diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
index e7ec6bf..8bbaef5 100644
--- a/drivers/leds/leds-bd2802.c
+++ b/drivers/leds/leds-bd2802.c
@@ -10,7 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/delay.h>
 #include <linux/leds.h>
 #include <linux/leds-bd2802.h>
@@ -67,6 +67,7 @@
 struct bd2802_led {
 	struct bd2802_led_platform_data	*pdata;
 	struct i2c_client		*client;
+	struct gpio_desc		*reset;
 	struct rw_semaphore		rwsem;
 
 	struct led_state		led[2];
@@ -200,7 +201,7 @@
 		return;
 
 	if (bd2802_is_all_off(led) && !led->adf_on) {
-		gpio_set_value(led->pdata->reset_gpio, 0);
+		gpiod_set_value(led->reset, 1);
 		return;
 	}
 
@@ -226,7 +227,7 @@
 
 static void bd2802_reset_cancel(struct bd2802_led *led)
 {
-	gpio_set_value(led->pdata->reset_gpio, 1);
+	gpiod_set_value(led->reset, 0);
 	udelay(100);
 	bd2802_configure(led);
 }
@@ -420,7 +421,7 @@
 						bd2802_addr_attributes[i]);
 
 	if (bd2802_is_all_off(led))
-		gpio_set_value(led->pdata->reset_gpio, 0);
+		gpiod_set_value(led->reset, 1);
 
 	led->adf_on = 0;
 }
@@ -659,7 +660,6 @@
 			const struct i2c_device_id *id)
 {
 	struct bd2802_led *led;
-	struct bd2802_led_platform_data *pdata;
 	int ret, i;
 
 	led = devm_kzalloc(&client->dev, sizeof(struct bd2802_led), GFP_KERNEL);
@@ -667,11 +667,18 @@
 		return -ENOMEM;
 
 	led->client = client;
-	pdata = led->pdata = dev_get_platdata(&client->dev);
 	i2c_set_clientdata(client, led);
 
-	/* Configure RESET GPIO (L: RESET, H: RESET cancel) */
-	gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, "RGB_RESETB");
+	/*
+	 * Configure RESET GPIO (L: RESET, H: RESET cancel)
+	 *
+	 * We request the reset GPIO as OUT_LOW which means de-asserted,
+	 * board files specifying this GPIO line in a machine descriptor
+	 * table should take care to specify GPIO_ACTIVE_LOW for this line.
+	 */
+	led->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_LOW);
+	if (IS_ERR(led->reset))
+		return PTR_ERR(led->reset);
 
 	/* Tacss = min 0.1ms */
 	udelay(100);
@@ -685,7 +692,7 @@
 		dev_info(&client->dev, "return 0x%02x\n", ret);
 
 	/* To save the power, reset BD2802 after detecting */
-	gpio_set_value(led->pdata->reset_gpio, 0);
+	gpiod_set_value(led->reset, 1);
 
 	/* Default attributes */
 	led->wave_pattern = BD2802_PATTERN_HALF;
@@ -720,7 +727,7 @@
 	struct bd2802_led *led = i2c_get_clientdata(client);
 	int i;
 
-	gpio_set_value(led->pdata->reset_gpio, 0);
+	gpiod_set_value(led->reset, 1);
 	bd2802_unregister_led_classdev(led);
 	if (led->adf_on)
 		bd2802_disable_adv_conf(led);
@@ -750,7 +757,7 @@
 	struct i2c_client *client = to_i2c_client(dev);
 	struct bd2802_led *led = i2c_get_clientdata(client);
 
-	gpio_set_value(led->pdata->reset_gpio, 0);
+	gpiod_set_value(led->reset, 1);
 
 	return 0;
 }
diff --git a/drivers/leds/leds-cpcap.c b/drivers/leds/leds-cpcap.c
index 9f3fa47..7d41ce8 100644
--- a/drivers/leds/leds-cpcap.c
+++ b/drivers/leds/leds-cpcap.c
@@ -158,19 +158,14 @@
 
 static int cpcap_led_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct cpcap_led *led;
 	int err;
 
-	match = of_match_device(of_match_ptr(cpcap_led_of_match), &pdev->dev);
-	if (!match || !match->data)
-		return -EINVAL;
-
 	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, led);
-	led->info = match->data;
+	led->info = device_get_match_data(&pdev->dev);
 	led->dev = &pdev->dev;
 
 	if (led->info->reg == 0x0000) {
diff --git a/drivers/leds/leds-cr0014114.c b/drivers/leds/leds-cr0014114.c
index 2da448a..d03cfd3 100644
--- a/drivers/leds/leds-cr0014114.c
+++ b/drivers/leds/leds-cr0014114.c
@@ -188,9 +188,6 @@
 	device_for_each_child_node(priv->dev, child) {
 		led = &priv->leds[i];
 
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led->ldev.default_trigger);
-
 		led->priv			  = priv;
 		led->ldev.max_brightness	  = CR_MAX_BRIGHTNESS;
 		led->ldev.brightness_set_blocking = cr0014114_set_sync;
diff --git a/drivers/leds/leds-el15203000.c b/drivers/leds/leds-el15203000.c
new file mode 100644
index 0000000..6ca47f2
--- /dev/null
+++ b/drivers/leds/leds-el15203000.c
@@ -0,0 +1,354 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Crane Merchandising Systems. All rights reserved.
+// Copyright (C) 2019 Oleh Kravchenko <oleg@kaa.org.ua>
+
+#include <linux/delay.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/spi/spi.h>
+
+/*
+ * EL15203000 SPI protocol description:
+ * +-----+---------+
+ * | LED | COMMAND |
+ * +-----+---------+
+ * |  1  |    1    |
+ * +-----+---------+
+ * (*) LEDs MCU board expects 20 msec delay per byte.
+ *
+ * LEDs:
+ * +----------+--------------+-------------------------------------------+
+ * |    ID    |     NAME     |         DESCRIPTION                       |
+ * +----------+--------------+-------------------------------------------+
+ * | 'P' 0x50 |     Pipe     | Consists from 5 LEDs, controlled by board |
+ * +----------+--------------+-------------------------------------------+
+ * | 'S' 0x53 | Screen frame | Light tube around the screen              |
+ * +----------+--------------+-------------------------------------------+
+ * | 'V' 0x56 | Vending area | Highlights a cup of coffee                |
+ * +----------+--------------+-------------------------------------------+
+ *
+ * COMMAND:
+ * +----------+-----------------+--------------+--------------+
+ * |  VALUES  |       PIPE      | SCREEN FRAME | VENDING AREA |
+ * +----------+-----------------+--------------+--------------+
+ * | '0' 0x30 |                      Off                      |
+ * +----------+-----------------------------------------------+
+ * | '1' 0x31 |                      On                       |
+ * +----------+-----------------+--------------+--------------+
+ * | '2' 0x32 |     Cascade     |   Breathing  |
+ * +----------+-----------------+--------------+
+ * | '3' 0x33 | Inverse cascade |
+ * +----------+-----------------+
+ * | '4' 0x34 |     Bounce      |
+ * +----------+-----------------+
+ * | '5' 0x35 | Inverse bounce  |
+ * +----------+-----------------+
+ */
+
+/* EL15203000 default settings */
+#define EL_FW_DELAY_USEC	20000ul
+#define EL_PATTERN_DELAY_MSEC	800u
+#define EL_PATTERN_LEN		10u
+#define EL_PATTERN_HALF_LEN	(EL_PATTERN_LEN / 2)
+
+enum el15203000_command {
+	/* for all LEDs */
+	EL_OFF			= '0',
+	EL_ON			= '1',
+
+	/* for Screen LED */
+	EL_SCREEN_BREATHING	= '2',
+
+	/* for Pipe LED */
+	EL_PIPE_CASCADE		= '2',
+	EL_PIPE_INV_CASCADE	= '3',
+	EL_PIPE_BOUNCE		= '4',
+	EL_PIPE_INV_BOUNCE	= '5',
+};
+
+struct el15203000_led {
+	struct el15203000	*priv;
+	struct led_classdev	ldev;
+	u32			reg;
+};
+
+struct el15203000 {
+	struct device		*dev;
+	struct mutex		lock;
+	struct spi_device	*spi;
+	unsigned long		delay;
+	size_t			count;
+	struct el15203000_led	leds[];
+};
+
+static int el15203000_cmd(struct el15203000_led *led, u8 brightness)
+{
+	int		ret;
+	u8		cmd[2];
+	size_t		i;
+
+	mutex_lock(&led->priv->lock);
+
+	dev_dbg(led->priv->dev, "Set brightness of 0x%02x(%c) to 0x%02x(%c)",
+		led->reg, led->reg, brightness, brightness);
+
+	/* to avoid SPI mistiming with firmware we should wait some time */
+	if (time_after(led->priv->delay, jiffies)) {
+		dev_dbg(led->priv->dev, "Wait %luus to sync",
+			EL_FW_DELAY_USEC);
+
+		usleep_range(EL_FW_DELAY_USEC,
+			     EL_FW_DELAY_USEC + 1);
+	}
+
+	cmd[0] = led->reg;
+	cmd[1] = brightness;
+
+	for (i = 0; i < ARRAY_SIZE(cmd); i++) {
+		if (i)
+			usleep_range(EL_FW_DELAY_USEC,
+				     EL_FW_DELAY_USEC + 1);
+
+		ret = spi_write(led->priv->spi, &cmd[i], sizeof(cmd[i]));
+		if (ret) {
+			dev_err(led->priv->dev,
+				"spi_write() error %d", ret);
+			break;
+		}
+	}
+
+	led->priv->delay = jiffies + usecs_to_jiffies(EL_FW_DELAY_USEC);
+
+	mutex_unlock(&led->priv->lock);
+
+	return ret;
+}
+
+static int el15203000_set_blocking(struct led_classdev *ldev,
+				   enum led_brightness brightness)
+{
+	struct el15203000_led *led = container_of(ldev,
+						  struct el15203000_led,
+						  ldev);
+
+	return el15203000_cmd(led, brightness == LED_OFF ? EL_OFF : EL_ON);
+}
+
+static int el15203000_pattern_set_S(struct led_classdev *ldev,
+				    struct led_pattern *pattern,
+				    u32 len, int repeat)
+{
+	struct el15203000_led *led = container_of(ldev,
+						  struct el15203000_led,
+						  ldev);
+
+	if (repeat > 0 || len != 2 ||
+	    pattern[0].delta_t != 4000 || pattern[0].brightness != 0 ||
+	    pattern[1].delta_t != 4000 || pattern[1].brightness != 1)
+		return -EINVAL;
+
+	dev_dbg(led->priv->dev, "Breathing mode for 0x%02x(%c)",
+		led->reg, led->reg);
+
+	return el15203000_cmd(led, EL_SCREEN_BREATHING);
+}
+
+static bool is_cascade(const struct led_pattern *pattern, u32 len,
+		       bool inv, bool right)
+{
+	int val, t;
+	u32 i;
+
+	if (len != EL_PATTERN_HALF_LEN)
+		return false;
+
+	val = right ? BIT(4) : BIT(0);
+
+	for (i = 0; i < len; i++) {
+		t = inv ? ~val & GENMASK(4, 0) : val;
+
+		if (pattern[i].delta_t != EL_PATTERN_DELAY_MSEC ||
+		    pattern[i].brightness != t)
+			return false;
+
+		val = right ? val >> 1 : val << 1;
+	}
+
+	return true;
+}
+
+static bool is_bounce(const struct led_pattern *pattern, u32 len, bool inv)
+{
+	if (len != EL_PATTERN_LEN)
+		return false;
+
+	return is_cascade(pattern, EL_PATTERN_HALF_LEN, inv, false) &&
+	       is_cascade(pattern + EL_PATTERN_HALF_LEN,
+			  EL_PATTERN_HALF_LEN, inv, true);
+}
+
+static int el15203000_pattern_set_P(struct led_classdev *ldev,
+				    struct led_pattern *pattern,
+				    u32 len, int repeat)
+{
+	u8			cmd;
+	struct el15203000_led	*led = container_of(ldev,
+						    struct el15203000_led,
+						    ldev);
+
+	if (repeat > 0)
+		return -EINVAL;
+
+	if (is_cascade(pattern, len, false, false)) {
+		dev_dbg(led->priv->dev, "Cascade mode for 0x%02x(%c)",
+			led->reg, led->reg);
+
+		cmd = EL_PIPE_CASCADE;
+	} else if (is_cascade(pattern, len, true, false)) {
+		dev_dbg(led->priv->dev, "Inverse cascade mode for 0x%02x(%c)",
+			led->reg, led->reg);
+
+		cmd = EL_PIPE_INV_CASCADE;
+	} else if (is_bounce(pattern, len, false)) {
+		dev_dbg(led->priv->dev, "Bounce mode for 0x%02x(%c)",
+			led->reg, led->reg);
+
+		cmd = EL_PIPE_BOUNCE;
+	} else if (is_bounce(pattern, len, true)) {
+		dev_dbg(led->priv->dev, "Inverse bounce mode for 0x%02x(%c)",
+			led->reg, led->reg);
+
+		cmd = EL_PIPE_INV_BOUNCE;
+	} else {
+		dev_err(led->priv->dev, "Invalid hw_pattern for 0x%02x(%c)!",
+			led->reg, led->reg);
+
+		return -EINVAL;
+	}
+
+	return el15203000_cmd(led, cmd);
+}
+
+static int el15203000_pattern_clear(struct led_classdev *ldev)
+{
+	struct el15203000_led	*led = container_of(ldev,
+						    struct el15203000_led,
+						    ldev);
+
+	return el15203000_cmd(led, EL_OFF);
+}
+
+static int el15203000_probe_dt(struct el15203000 *priv)
+{
+	struct el15203000_led	*led = priv->leds;
+	struct fwnode_handle	*child;
+	int			ret;
+
+	device_for_each_child_node(priv->dev, child) {
+		struct led_init_data init_data = {};
+
+		ret = fwnode_property_read_u32(child, "reg", &led->reg);
+		if (ret) {
+			dev_err(priv->dev, "LED without ID number");
+			fwnode_handle_put(child);
+
+			break;
+		}
+
+		if (led->reg > U8_MAX) {
+			dev_err(priv->dev, "LED value %d is invalid", led->reg);
+			fwnode_handle_put(child);
+
+			return -EINVAL;
+		}
+
+		led->priv			  = priv;
+		led->ldev.max_brightness	  = LED_ON;
+		led->ldev.brightness_set_blocking = el15203000_set_blocking;
+
+		if (led->reg == 'S') {
+			led->ldev.pattern_set	= el15203000_pattern_set_S;
+			led->ldev.pattern_clear	= el15203000_pattern_clear;
+		} else if (led->reg == 'P') {
+			led->ldev.pattern_set	= el15203000_pattern_set_P;
+			led->ldev.pattern_clear	= el15203000_pattern_clear;
+		}
+
+		init_data.fwnode = child;
+		ret = devm_led_classdev_register_ext(priv->dev, &led->ldev,
+						     &init_data);
+		if (ret) {
+			dev_err(priv->dev,
+				"failed to register LED device %s, err %d",
+				led->ldev.name, ret);
+			fwnode_handle_put(child);
+
+			break;
+		}
+
+		led++;
+	}
+
+	return ret;
+}
+
+static int el15203000_probe(struct spi_device *spi)
+{
+	struct el15203000	*priv;
+	size_t			count;
+
+	count = device_get_child_node_count(&spi->dev);
+	if (!count) {
+		dev_err(&spi->dev, "LEDs are not defined in device tree!");
+		return -ENODEV;
+	}
+
+	priv = devm_kzalloc(&spi->dev, struct_size(priv, leds, count),
+			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	mutex_init(&priv->lock);
+	priv->count	= count;
+	priv->dev	= &spi->dev;
+	priv->spi	= spi;
+	priv->delay	= jiffies -
+			  usecs_to_jiffies(EL_FW_DELAY_USEC);
+
+	spi_set_drvdata(spi, priv);
+
+	return el15203000_probe_dt(priv);
+}
+
+static int el15203000_remove(struct spi_device *spi)
+{
+	struct el15203000 *priv = spi_get_drvdata(spi);
+
+	mutex_destroy(&priv->lock);
+
+	return 0;
+}
+
+static const struct of_device_id el15203000_dt_ids[] = {
+	{ .compatible = "crane,el15203000", },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, el15203000_dt_ids);
+
+static struct spi_driver el15203000_driver = {
+	.probe		= el15203000_probe,
+	.remove		= el15203000_remove,
+	.driver = {
+		.name		= KBUILD_MODNAME,
+		.of_match_table	= el15203000_dt_ids,
+	},
+};
+
+module_spi_driver(el15203000_driver);
+
+MODULE_AUTHOR("Oleh Kravchenko <oleg@kaa.org.ua>");
+MODULE_DESCRIPTION("el15203000 LED driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("spi:el15203000");
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 2bf7459..93f5b1b 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -125,12 +125,6 @@
 	struct gpio_led_data leds[];
 };
 
-static inline int sizeof_gpio_leds_priv(int num_leds)
-{
-	return sizeof(struct gpio_leds_priv) +
-		(sizeof(struct gpio_led_data) * num_leds);
-}
-
 static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -142,7 +136,7 @@
 	if (!count)
 		return ERR_PTR(-ENODEV);
 
-	priv = devm_kzalloc(dev, sizeof_gpio_leds_priv(count), GFP_KERNEL);
+	priv = devm_kzalloc(dev, struct_size(priv, leds, count), GFP_KERNEL);
 	if (!priv)
 		return ERR_PTR(-ENOMEM);
 
@@ -166,9 +160,6 @@
 
 		led_dat->gpiod = led.gpiod;
 
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led.default_trigger);
-
 		if (!fwnode_property_read_string(child, "default-state",
 						 &state)) {
 			if (!strcmp(state, "keep"))
@@ -220,7 +211,7 @@
 	 * device, this will hit the board file, if any and get
 	 * the GPIO from there.
 	 */
-	gpiod = devm_gpiod_get_index(dev, NULL, idx, flags);
+	gpiod = devm_gpiod_get_index(dev, NULL, idx, GPIOD_OUT_LOW);
 	if (!IS_ERR(gpiod)) {
 		gpiod_set_consumer_name(gpiod, template->name);
 		return gpiod;
@@ -260,9 +251,8 @@
 	int i, ret = 0;
 
 	if (pdata && pdata->num_leds) {
-		priv = devm_kzalloc(&pdev->dev,
-				sizeof_gpio_leds_priv(pdata->num_leds),
-					GFP_KERNEL);
+		priv = devm_kzalloc(&pdev->dev, struct_size(priv, leds, pdata->num_leds),
+				    GFP_KERNEL);
 		if (!priv)
 			return -ENOMEM;
 
diff --git a/drivers/leds/leds-ip30.c b/drivers/leds/leds-ip30.c
new file mode 100644
index 0000000..1f952ba
--- /dev/null
+++ b/drivers/leds/leds-ip30.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * LED Driver for SGI Octane machines
+ */
+
+#include <asm/io.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+#define IP30_LED_SYSTEM	0
+#define IP30_LED_FAULT	1
+
+struct ip30_led {
+	struct led_classdev cdev;
+	u32 __iomem *reg;
+};
+
+static void ip30led_set(struct led_classdev *led_cdev,
+			enum led_brightness value)
+{
+	struct ip30_led *led = container_of(led_cdev, struct ip30_led, cdev);
+
+	writel(value, led->reg);
+}
+
+static int ip30led_create(struct platform_device *pdev, int num)
+{
+	struct resource *res;
+	struct ip30_led *data;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, num);
+	if (!res)
+		return -EBUSY;
+
+	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	data->reg = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(data->reg))
+		return PTR_ERR(data->reg);
+
+
+	switch (num) {
+	case IP30_LED_SYSTEM:
+		data->cdev.name = "white:power";
+		break;
+	case IP30_LED_FAULT:
+		data->cdev.name = "red:fault";
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	data->cdev.brightness = readl(data->reg);
+	data->cdev.max_brightness = 1;
+	data->cdev.brightness_set = ip30led_set;
+
+	return devm_led_classdev_register(&pdev->dev, &data->cdev);
+}
+
+static int ip30led_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = ip30led_create(pdev, IP30_LED_SYSTEM);
+	if (ret < 0)
+		return ret;
+
+	return ip30led_create(pdev, IP30_LED_FAULT);
+}
+
+static struct platform_driver ip30led_driver = {
+	.probe		= ip30led_probe,
+	.driver		= {
+		.name		= "ip30-leds",
+	},
+};
+
+module_platform_driver(ip30led_driver);
+
+MODULE_AUTHOR("Thomas Bogendoerfer <tbogendoerfer@suse.de>");
+MODULE_DESCRIPTION("SGI Octane LED driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ip30-leds");
diff --git a/drivers/leds/leds-is31fl319x.c b/drivers/leds/leds-is31fl319x.c
index ca6634b..4161b9d 100644
--- a/drivers/leds/leds-is31fl319x.c
+++ b/drivers/leds/leds-is31fl319x.c
@@ -16,6 +16,8 @@
 #include <linux/of_device.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
 
 /* register numbers */
 #define IS31FL319X_SHUTDOWN		0x00
@@ -61,6 +63,7 @@
 struct is31fl319x_chip {
 	const struct is31fl319x_chipdef *cdef;
 	struct i2c_client               *client;
+	struct gpio_desc		*shutdown_gpio;
 	struct regmap                   *regmap;
 	struct mutex                    lock;
 	u32                             audio_gain_db;
@@ -199,26 +202,27 @@
 static int is31fl319x_parse_dt(struct device *dev,
 			       struct is31fl319x_chip *is31)
 {
-	struct device_node *np = dev->of_node, *child;
-	const struct of_device_id *of_dev_id;
+	struct device_node *np = dev_of_node(dev), *child;
 	int count;
 	int ret;
 
 	if (!np)
 		return -ENODEV;
 
-	of_dev_id = of_match_device(of_is31fl319x_match, dev);
-	if (!of_dev_id) {
-		dev_err(dev, "Failed to match device with supported chips\n");
-		return -EINVAL;
+	is31->shutdown_gpio = devm_gpiod_get_optional(dev,
+						"shutdown",
+						GPIOD_OUT_HIGH);
+	if (IS_ERR(is31->shutdown_gpio)) {
+		ret = PTR_ERR(is31->shutdown_gpio);
+		dev_err(dev, "Failed to get shutdown gpio: %d\n", ret);
+		return ret;
 	}
 
-	is31->cdef = of_dev_id->data;
+	is31->cdef = device_get_match_data(dev);
 
-	count = of_get_child_count(np);
+	count = of_get_available_child_count(np);
 
-	dev_dbg(dev, "probe %s with %d leds defined in DT\n",
-		of_dev_id->compatible, count);
+	dev_dbg(dev, "probing with %d leds defined in DT\n", count);
 
 	if (!count || count > is31->cdef->num_leds) {
 		dev_err(dev, "Number of leds defined must be between 1 and %u\n",
@@ -226,7 +230,7 @@
 		return -ENODEV;
 	}
 
-	for_each_child_of_node(np, child) {
+	for_each_available_child_of_node(np, child) {
 		struct is31fl319x_led *led;
 		u32 reg;
 
@@ -350,6 +354,12 @@
 	if (err)
 		goto free_mutex;
 
+	if (is31->shutdown_gpio) {
+		gpiod_direction_output(is31->shutdown_gpio, 0);
+		mdelay(5);
+		gpiod_direction_output(is31->shutdown_gpio, 1);
+	}
+
 	is31->client = client;
 	is31->regmap = devm_regmap_init_i2c(client, &regmap_config);
 	if (IS_ERR(is31->regmap)) {
diff --git a/drivers/leds/leds-is31fl32xx.c b/drivers/leds/leds-is31fl32xx.c
index 6f29b89..899ed94 100644
--- a/drivers/leds/leds-is31fl32xx.c
+++ b/drivers/leds/leds-is31fl32xx.c
@@ -44,7 +44,7 @@
 	const struct is31fl32xx_chipdef *cdef;
 	struct i2c_client *client;
 	unsigned int num_leds;
-	struct is31fl32xx_led_data leds[0];
+	struct is31fl32xx_led_data leds[];
 };
 
 /**
@@ -332,9 +332,6 @@
 	int ret = 0;
 	u32 reg;
 
-	if (of_property_read_string(child, "label", &cdev->name))
-		cdev->name = child->name;
-
 	ret = of_property_read_u32(child, "reg", &reg);
 	if (ret || reg < 1 || reg > led_data->priv->cdef->channels) {
 		dev_err(dev,
@@ -344,9 +341,6 @@
 	}
 	led_data->channel = reg;
 
-	of_property_read_string(child, "linux,default-trigger",
-				&cdev->default_trigger);
-
 	cdev->brightness_set_blocking = is31fl32xx_brightness_set;
 
 	return 0;
@@ -372,7 +366,8 @@
 	struct device_node *child;
 	int ret = 0;
 
-	for_each_child_of_node(dev->of_node, child) {
+	for_each_available_child_of_node(dev_of_node(dev), child) {
+		struct led_init_data init_data = {};
 		struct is31fl32xx_led_data *led_data =
 			&priv->leds[priv->num_leds];
 		const struct is31fl32xx_led_data *other_led_data;
@@ -388,17 +383,19 @@
 							  led_data->channel);
 		if (other_led_data) {
 			dev_err(dev,
-				"%s and %s both attempting to use channel %d\n",
-				led_data->cdev.name,
-				other_led_data->cdev.name,
-				led_data->channel);
+				"Node %pOF 'reg' conflicts with another LED\n",
+				child);
+			ret = -EINVAL;
 			goto err;
 		}
 
-		ret = devm_led_classdev_register(dev, &led_data->cdev);
+		init_data.fwnode = of_fwnode_handle(child);
+
+		ret = devm_led_classdev_register_ext(dev, &led_data->cdev,
+						     &init_data);
 		if (ret) {
-			dev_err(dev, "failed to register PWM led for %s: %d\n",
-				led_data->cdev.name, ret);
+			dev_err(dev, "Failed to register LED for %pOF: %d\n",
+				child, ret);
 			goto err;
 		}
 
@@ -428,19 +425,14 @@
 			    const struct i2c_device_id *id)
 {
 	const struct is31fl32xx_chipdef *cdef;
-	const struct of_device_id *of_dev_id;
 	struct device *dev = &client->dev;
 	struct is31fl32xx_priv *priv;
 	int count;
 	int ret = 0;
 
-	of_dev_id = of_match_device(of_is31fl32xx_match, dev);
-	if (!of_dev_id)
-		return -EINVAL;
+	cdef = device_get_match_data(dev);
 
-	cdef = of_dev_id->data;
-
-	count = of_get_child_count(dev->of_node);
+	count = of_get_available_child_count(dev_of_node(dev));
 	if (!count)
 		return -EINVAL;
 
diff --git a/drivers/leds/leds-ktd2692.c b/drivers/leds/leds-ktd2692.c
index cd30b3b..f341da1 100644
--- a/drivers/leds/leds-ktd2692.c
+++ b/drivers/leds/leds-ktd2692.c
@@ -270,11 +270,11 @@
 static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
 			    struct ktd2692_led_config_data *cfg)
 {
-	struct device_node *np = dev->of_node;
+	struct device_node *np = dev_of_node(dev);
 	struct device_node *child_node;
 	int ret;
 
-	if (!dev->of_node)
+	if (!dev_of_node(dev))
 		return -ENXIO;
 
 	led->ctrl_gpio = devm_gpiod_get(dev, "ctrl", GPIOD_ASIS);
diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c
index 0507c65..0bf25bd 100644
--- a/drivers/leds/leds-lm3532.c
+++ b/drivers/leds/leds-lm3532.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // TI LM3532 LED driver
-// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+// Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
+// https://www.ti.com/lit/ds/symlink/lm3532.pdf
 
 #include <linux/i2c.h>
 #include <linux/leds.h>
@@ -95,15 +96,15 @@
 
 /*
  * struct lm3532_als_data
- * @config - value of ALS configuration register
- * @als1_imp_sel - value of ALS1 resistor select register
- * @als2_imp_sel - value of ALS2 resistor select register
- * @als_avrg_time - ALS averaging time
- * @als_input_mode - ALS input mode for brightness control
- * @als_vmin - Minimum ALS voltage
- * @als_vmax - Maximum ALS voltage
- * @zone_lo - values of ALS lo ZB(Zone Boundary) registers
- * @zone_hi - values of ALS hi ZB(Zone Boundary) registers
+ * @config: value of ALS configuration register
+ * @als1_imp_sel: value of ALS1 resistor select register
+ * @als2_imp_sel: value of ALS2 resistor select register
+ * @als_avrg_time: ALS averaging time
+ * @als_input_mode: ALS input mode for brightness control
+ * @als_vmin: Minimum ALS voltage
+ * @als_vmax: Maximum ALS voltage
+ * @zone_lo: values of ALS lo ZB(Zone Boundary) registers
+ * @zone_hi: values of ALS hi ZB(Zone Boundary) registers
  */
 struct lm3532_als_data {
 	u8 config;
@@ -120,15 +121,14 @@
 /**
  * struct lm3532_led
  * @led_dev: led class device
- * @priv - Pointer the device data structure
- * @control_bank - Control bank the LED is associated to
- * @mode - Mode of the LED string
- * @ctrl_brt_pointer - Zone target register that controls the sink
- * @num_leds - Number of LED strings are supported in this array
- * @full_scale_current - The full-scale current setting for the current sink.
- * @led_strings - The LED strings supported in this array
- * @enabled - Enabled status
- * @label - LED label
+ * @priv: Pointer the device data structure
+ * @control_bank: Control bank the LED is associated to
+ * @mode: Mode of the LED string
+ * @ctrl_brt_pointer: Zone target register that controls the sink
+ * @num_leds: Number of LED strings are supported in this array
+ * @full_scale_current: The full-scale current setting for the current sink.
+ * @led_strings: The LED strings supported in this array
+ * @enabled: Enabled status
  */
 struct lm3532_led {
 	struct led_classdev led_dev;
@@ -139,23 +139,22 @@
 	int ctrl_brt_pointer;
 	int num_leds;
 	int full_scale_current;
-	int enabled:1;
+	unsigned int enabled:1;
 	u32 led_strings[LM3532_MAX_CONTROL_BANKS];
-	char label[LED_MAX_NAME_SIZE];
 };
 
 /**
  * struct lm3532_data
- * @enable_gpio - Hardware enable gpio
+ * @enable_gpio: Hardware enable gpio
  * @regulator: regulator
  * @client: i2c client
- * @regmap - Devices register map
- * @dev - Pointer to the devices device struct
- * @lock - Lock for reading/writing the device
- * @als_data - Pointer to the als data struct
- * @runtime_ramp_up - Runtime ramp up setting
- * @runtime_ramp_down - Runtime ramp down setting
- * @leds - Array of LED strings
+ * @regmap: Devices register map
+ * @dev: Pointer to the devices device struct
+ * @lock: Lock for reading/writing the device
+ * @als_data: Pointer to the als data struct
+ * @runtime_ramp_up: Runtime ramp up setting
+ * @runtime_ramp_down: Runtime ramp down setting
+ * @leds: Array of LED strings
  */
 struct lm3532_data {
 	struct gpio_desc *enable_gpio;
@@ -547,7 +546,6 @@
 {
 	struct fwnode_handle *child = NULL;
 	struct lm3532_led *led;
-	const char *name;
 	int control_bank;
 	u32 ramp_time;
 	size_t i = 0;
@@ -577,6 +575,12 @@
 		priv->runtime_ramp_down = lm3532_get_ramp_index(ramp_time);
 
 	device_for_each_child_node(priv->dev, child) {
+		struct led_init_data idata = {
+			.fwnode = child,
+			.default_label = ":",
+			.devicename = priv->client->name,
+		};
+
 		led = &priv->leds[i];
 
 		ret = fwnode_property_read_u32(child, "reg", &control_bank);
@@ -623,7 +627,7 @@
 
 		led->num_leds = fwnode_property_count_u32(child, "led-sources");
 		if (led->num_leds > LM3532_MAX_LED_STRINGS) {
-			dev_err(&priv->client->dev, "To many LED string defined\n");
+			dev_err(&priv->client->dev, "Too many LED string defined\n");
 			continue;
 		}
 
@@ -636,22 +640,10 @@
 			goto child_out;
 		}
 
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led->led_dev.default_trigger);
-
-		ret = fwnode_property_read_string(child, "label", &name);
-		if (ret)
-			snprintf(led->label, sizeof(led->label),
-				"%s::", priv->client->name);
-		else
-			snprintf(led->label, sizeof(led->label),
-				 "%s:%s", priv->client->name, name);
-
 		led->priv = priv;
-		led->led_dev.name = led->label;
 		led->led_dev.brightness_set_blocking = lm3532_brightness_set;
 
-		ret = devm_led_classdev_register(priv->dev, &led->led_dev);
+		ret = devm_led_classdev_register_ext(priv->dev, &led->led_dev, &idata);
 		if (ret) {
 			dev_err(&priv->client->dev, "led register err: %d\n",
 				ret);
diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
index 129f475..1505521 100644
--- a/drivers/leds/leds-lm355x.c
+++ b/drivers/leds/leds-lm355x.c
@@ -7,7 +7,6 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
@@ -454,8 +453,7 @@
 	chip->cdev_flash.max_brightness = 16;
 	chip->cdev_flash.brightness_set_blocking = lm355x_strobe_brightness_set;
 	chip->cdev_flash.default_trigger = "flash";
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_flash);
+	err = led_classdev_register(&client->dev, &chip->cdev_flash);
 	if (err < 0)
 		goto err_out;
 	/* torch */
@@ -463,8 +461,7 @@
 	chip->cdev_torch.max_brightness = 8;
 	chip->cdev_torch.brightness_set_blocking = lm355x_torch_brightness_set;
 	chip->cdev_torch.default_trigger = "torch";
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_torch);
+	err = led_classdev_register(&client->dev, &chip->cdev_torch);
 	if (err < 0)
 		goto err_create_torch_file;
 	/* indicator */
@@ -478,8 +475,7 @@
 	/* indicator pattern control only for LM3556 */
 	if (id->driver_data == CHIP_LM3556)
 		chip->cdev_indicator.groups = lm355x_indicator_groups;
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_indicator);
+	err = led_classdev_register(&client->dev, &chip->cdev_indicator);
 	if (err < 0)
 		goto err_create_indicator_file;
 
diff --git a/drivers/leds/leds-lm3601x.c b/drivers/leds/leds-lm3601x.c
index b02972f..d0e1d48 100644
--- a/drivers/leds/leds-lm3601x.c
+++ b/drivers/leds/leds-lm3601x.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // Flash and torch driver for Texas Instruments LM3601X LED
 // Flash driver chip family
-// Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+// Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
 
 #include <linux/delay.h>
 #include <linux/i2c.h>
@@ -350,8 +350,7 @@
 	init_data.devicename = led->client->name;
 	init_data.default_label = (led->led_mode == LM3601X_LED_TORCH) ?
 					"torch" : "infrared";
-
-	return led_classdev_flash_register_ext(&led->client->dev,
+	return devm_led_classdev_flash_register_ext(&led->client->dev,
 						&led->fled_cdev, &init_data);
 }
 
@@ -445,7 +444,6 @@
 {
 	struct lm3601x_led *led = i2c_get_clientdata(client);
 
-	led_classdev_flash_unregister(&led->fled_cdev);
 	mutex_destroy(&led->lock);
 
 	return regmap_update_bits(led->regmap, LM3601X_ENABLE_REG,
diff --git a/drivers/leds/leds-lm36274.c b/drivers/leds/leds-lm36274.c
index 6c14355..a23a942 100644
--- a/drivers/leds/leds-lm36274.c
+++ b/drivers/leds/leds-lm36274.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 // TI LM36274 LED chip family driver
-// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+// Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
 
 #include <linux/bitops.h>
 #include <linux/device.h>
@@ -26,8 +26,8 @@
  * @lmu_data: Register and setting values for common code
  * @regmap: Devices register map
  * @dev: Pointer to the devices device struct
- * @led_sources - The LED strings supported in this array
- * @num_leds - Number of LED strings are supported in this array
+ * @led_sources: The LED strings supported in this array
+ * @num_leds: Number of LED strings are supported in this array
  */
 struct lm36274 {
 	struct platform_device *pdev;
@@ -66,61 +66,47 @@
 	return regmap_write(chip->regmap, LM36274_REG_BL_EN, enable_val);
 }
 
-static int lm36274_parse_dt(struct lm36274 *chip)
+static int lm36274_parse_dt(struct lm36274 *chip,
+			    struct led_init_data *init_data)
 {
-	struct fwnode_handle *child = NULL;
-	char label[LED_MAX_NAME_SIZE];
-	struct device *dev = &chip->pdev->dev;
-	const char *name;
-	int child_cnt;
-	int ret = -EINVAL;
+	struct device *dev = chip->dev;
+	struct fwnode_handle *child;
+	int ret;
 
 	/* There should only be 1 node */
-	child_cnt = device_get_child_node_count(dev);
-	if (child_cnt != 1)
+	if (device_get_child_node_count(dev) != 1)
 		return -EINVAL;
 
-	device_for_each_child_node(dev, child) {
-		ret = fwnode_property_read_string(child, "label", &name);
-		if (ret)
-			snprintf(label, sizeof(label), "%s::",
-				 chip->pdev->name);
-		else
-			snprintf(label, sizeof(label), "%s:%s",
-				 chip->pdev->name, name);
+	child = device_get_next_child_node(dev, NULL);
 
-		chip->num_leds = fwnode_property_count_u32(child, "led-sources");
-		if (chip->num_leds <= 0)
-			return -ENODEV;
+	init_data->fwnode = child;
+	init_data->devicename = chip->pdev->name;
+	/* for backwards compatibility when `label` property is not present */
+	init_data->default_label = ":";
 
-		ret = fwnode_property_read_u32_array(child, "led-sources",
-						     chip->led_sources,
-						     chip->num_leds);
-		if (ret) {
-			dev_err(dev, "led-sources property missing\n");
-			return ret;
-		}
-
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &chip->led_dev.default_trigger);
-
+	chip->num_leds = fwnode_property_count_u32(child, "led-sources");
+	if (chip->num_leds <= 0) {
+		ret = -ENODEV;
+		goto err;
 	}
 
-	chip->lmu_data.regmap = chip->regmap;
-	chip->lmu_data.max_brightness = MAX_BRIGHTNESS_11BIT;
-	chip->lmu_data.msb_brightness_reg = LM36274_REG_BRT_MSB;
-	chip->lmu_data.lsb_brightness_reg = LM36274_REG_BRT_LSB;
-
-	chip->led_dev.name = label;
-	chip->led_dev.max_brightness = MAX_BRIGHTNESS_11BIT;
-	chip->led_dev.brightness_set_blocking = lm36274_brightness_set;
+	ret = fwnode_property_read_u32_array(child, "led-sources",
+					     chip->led_sources, chip->num_leds);
+	if (ret) {
+		dev_err(dev, "led-sources property missing\n");
+		goto err;
+	}
 
 	return 0;
+err:
+	fwnode_handle_put(child);
+	return ret;
 }
 
 static int lm36274_probe(struct platform_device *pdev)
 {
 	struct ti_lmu *lmu = dev_get_drvdata(pdev->dev.parent);
+	struct led_init_data init_data = {};
 	struct lm36274 *chip;
 	int ret;
 
@@ -129,11 +115,11 @@
 		return -ENOMEM;
 
 	chip->pdev = pdev;
-	chip->dev = lmu->dev;
+	chip->dev = &pdev->dev;
 	chip->regmap = lmu->regmap;
 	platform_set_drvdata(pdev, chip);
 
-	ret = lm36274_parse_dt(chip);
+	ret = lm36274_parse_dt(chip, &init_data);
 	if (ret) {
 		dev_err(chip->dev, "Failed to parse DT node\n");
 		return ret;
@@ -141,20 +127,28 @@
 
 	ret = lm36274_init(chip);
 	if (ret) {
+		fwnode_handle_put(init_data.fwnode);
 		dev_err(chip->dev, "Failed to init the device\n");
 		return ret;
 	}
 
-	return led_classdev_register(chip->dev, &chip->led_dev);
-}
+	chip->lmu_data.regmap = chip->regmap;
+	chip->lmu_data.max_brightness = MAX_BRIGHTNESS_11BIT;
+	chip->lmu_data.msb_brightness_reg = LM36274_REG_BRT_MSB;
+	chip->lmu_data.lsb_brightness_reg = LM36274_REG_BRT_LSB;
 
-static int lm36274_remove(struct platform_device *pdev)
-{
-	struct lm36274 *chip = platform_get_drvdata(pdev);
+	chip->led_dev.max_brightness = MAX_BRIGHTNESS_11BIT;
+	chip->led_dev.brightness_set_blocking = lm36274_brightness_set;
 
-	led_classdev_unregister(&chip->led_dev);
+	ret = devm_led_classdev_register_ext(chip->dev, &chip->led_dev,
+					     &init_data);
+	if (ret)
+		dev_err(chip->dev, "Failed to register LED for node %pfw\n",
+			init_data.fwnode);
 
-	return 0;
+	fwnode_handle_put(init_data.fwnode);
+
+	return ret;
 }
 
 static const struct of_device_id of_lm36274_leds_match[] = {
@@ -165,9 +159,9 @@
 
 static struct platform_driver lm36274_driver = {
 	.probe  = lm36274_probe,
-	.remove = lm36274_remove,
 	.driver = {
 		.name = "lm36274-leds",
+		.of_match_table = of_lm36274_leds_match,
 	},
 };
 module_platform_driver(lm36274_driver)
diff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c
index 4805754..62c1487 100644
--- a/drivers/leds/leds-lm3642.c
+++ b/drivers/leds/leds-lm3642.c
@@ -106,7 +106,7 @@
 	ret = regmap_read(chip->regmap, REG_FLAG, &chip->last_flag);
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to read REG_FLAG Register\n");
-		goto out;
+		return ret;
 	}
 
 	if (chip->last_flag)
@@ -146,11 +146,11 @@
 		break;
 
 	default:
-		return ret;
+		return -EINVAL;
 	}
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to write REG_I_CTRL Register\n");
-		goto out;
+		return ret;
 	}
 
 	if (chip->tx_pin)
@@ -159,13 +159,12 @@
 	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
 				 MODE_BITS_MASK << MODE_BITS_SHIFT,
 				 opmode << MODE_BITS_SHIFT);
-out:
 	return ret;
 }
 
 /* torch */
 
-/* torch pin config for lm3642*/
+/* torch pin config for lm3642 */
 static ssize_t lm3642_torch_pin_store(struct device *dev,
 				      struct device_attribute *attr,
 				      const char *buf, size_t size)
@@ -178,7 +177,7 @@
 
 	ret = kstrtouint(buf, 10, &state);
 	if (ret)
-		goto out_strtoint;
+		return ret;
 	if (state != 0)
 		state = 0x01 << TORCH_PIN_EN_SHIFT;
 
@@ -186,16 +185,12 @@
 	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
 				 TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT,
 				 state);
-	if (ret < 0)
-		goto out;
+	if (ret < 0) {
+		dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+		return ret;
+	}
 
 	return size;
-out:
-	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
-	return ret;
-out_strtoint:
-	dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
-	return ret;
 }
 
 static DEVICE_ATTR(torch_pin, S_IWUSR, NULL, lm3642_torch_pin_store);
@@ -229,7 +224,7 @@
 
 	ret = kstrtouint(buf, 10, &state);
 	if (ret)
-		goto out_strtoint;
+		return ret;
 	if (state != 0)
 		state = 0x01 << STROBE_PIN_EN_SHIFT;
 
@@ -237,16 +232,12 @@
 	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
 				 STROBE_PIN_EN_MASK << STROBE_PIN_EN_SHIFT,
 				 state);
-	if (ret < 0)
-		goto out;
+	if (ret < 0) {
+		dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+		return ret;
+	}
 
 	return size;
-out:
-	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
-	return ret;
-out_strtoint:
-	dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
-	return ret;
 }
 
 static DEVICE_ATTR(strobe_pin, S_IWUSR, NULL, lm3642_strobe_pin_store);
@@ -349,8 +340,7 @@
 	chip->cdev_flash.brightness_set_blocking = lm3642_strobe_brightness_set;
 	chip->cdev_flash.default_trigger = "flash";
 	chip->cdev_flash.groups = lm3642_flash_groups,
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_flash);
+	err = led_classdev_register(&client->dev, &chip->cdev_flash);
 	if (err < 0) {
 		dev_err(chip->dev, "failed to register flash\n");
 		goto err_out;
@@ -362,8 +352,7 @@
 	chip->cdev_torch.brightness_set_blocking = lm3642_torch_brightness_set;
 	chip->cdev_torch.default_trigger = "torch";
 	chip->cdev_torch.groups = lm3642_torch_groups,
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_torch);
+	err = led_classdev_register(&client->dev, &chip->cdev_torch);
 	if (err < 0) {
 		dev_err(chip->dev, "failed to register torch\n");
 		goto err_create_torch_file;
@@ -374,8 +363,7 @@
 	chip->cdev_indicator.max_brightness = 8;
 	chip->cdev_indicator.brightness_set_blocking =
 						lm3642_indicator_brightness_set;
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_indicator);
+	err = led_classdev_register(&client->dev, &chip->cdev_indicator);
 	if (err < 0) {
 		dev_err(chip->dev, "failed to register indicator\n");
 		goto err_create_indicator_file;
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index cc77ea0..55e6443 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -1,11 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 // TI LM3692x LED chip family driver
-// Copyright (C) 2017-18 Texas Instruments Incorporated - http://www.ti.com/
+// Copyright (C) 2017-18 Texas Instruments Incorporated - https://www.ti.com/
 
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/leds.h>
+#include <linux/log2.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
@@ -114,6 +115,9 @@
 	struct regulator *regulator;
 	int led_enable;
 	int model_id;
+
+	u8 boost_ctrl, brightness_ctrl;
+	bool enabled;
 };
 
 static const struct reg_default lm3692x_reg_defs[] = {
@@ -162,48 +166,19 @@
 	return read_buf;
 }
 
-static int lm3692x_brightness_set(struct led_classdev *led_cdev,
-				enum led_brightness brt_val)
-{
-	struct lm3692x_led *led =
-			container_of(led_cdev, struct lm3692x_led, led_dev);
-	int ret;
-	int led_brightness_lsb = (brt_val >> 5);
-
-	mutex_lock(&led->lock);
-
-	ret = lm3692x_fault_check(led);
-	if (ret) {
-		dev_err(&led->client->dev, "Cannot read/clear faults\n");
-		goto out;
-	}
-
-	ret = regmap_write(led->regmap, LM3692X_BRT_MSB, brt_val);
-	if (ret) {
-		dev_err(&led->client->dev, "Cannot write MSB\n");
-		goto out;
-	}
-
-	ret = regmap_write(led->regmap, LM3692X_BRT_LSB, led_brightness_lsb);
-	if (ret) {
-		dev_err(&led->client->dev, "Cannot write LSB\n");
-		goto out;
-	}
-out:
-	mutex_unlock(&led->lock);
-	return ret;
-}
-
-static int lm3692x_init(struct lm3692x_led *led)
+static int lm3692x_leds_enable(struct lm3692x_led *led)
 {
 	int enable_state;
-	int ret;
+	int ret, reg_ret;
+
+	if (led->enabled)
+		return 0;
 
 	if (led->regulator) {
 		ret = regulator_enable(led->regulator);
 		if (ret) {
 			dev_err(&led->client->dev,
-				"Failed to enable regulator\n");
+				"Failed to enable regulator: %d\n", ret);
 			return ret;
 		}
 	}
@@ -213,7 +188,8 @@
 
 	ret = lm3692x_fault_check(led);
 	if (ret) {
-		dev_err(&led->client->dev, "Cannot read/clear faults\n");
+		dev_err(&led->client->dev, "Cannot read/clear faults: %d\n",
+			ret);
 		goto out;
 	}
 
@@ -247,10 +223,7 @@
 	if (ret)
 		goto out;
 
-	ret = regmap_write(led->regmap, LM3692X_BOOST_CTRL,
-			LM3692X_BRHT_MODE_RAMP_MULTI |
-			LM3692X_BL_ADJ_POL |
-			LM3692X_RAMP_RATE_250us);
+	ret = regmap_write(led->regmap, LM3692X_BOOST_CTRL, led->boost_ctrl);
 	if (ret)
 		goto out;
 
@@ -267,7 +240,7 @@
 		goto out;
 
 	ret = regmap_write(led->regmap, LM3692X_BRT_CTRL,
-			LM3692X_BL_ADJ_POL | LM3692X_PWM_HYSTER_4LSB);
+			LM3692X_BL_ADJ_POL | LM3692X_RAMP_EN);
 	if (ret)
 		goto out;
 
@@ -303,6 +276,7 @@
 	ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_ENABLE_MASK,
 				 enable_state | LM3692X_DEVICE_EN);
 
+	led->enabled = true;
 	return ret;
 out:
 	dev_err(&led->client->dev, "Fail writing initialization values\n");
@@ -311,18 +285,101 @@
 		gpiod_direction_output(led->enable_gpio, 0);
 
 	if (led->regulator) {
-		ret = regulator_disable(led->regulator);
-		if (ret)
+		reg_ret = regulator_disable(led->regulator);
+		if (reg_ret)
 			dev_err(&led->client->dev,
-				"Failed to disable regulator\n");
+				"Failed to disable regulator: %d\n", reg_ret);
 	}
 
 	return ret;
 }
+
+static int lm3692x_leds_disable(struct lm3692x_led *led)
+{
+	int ret;
+
+	if (!led->enabled)
+		return 0;
+
+	ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN, 0);
+	if (ret) {
+		dev_err(&led->client->dev, "Failed to disable regulator: %d\n",
+			ret);
+		return ret;
+	}
+
+	if (led->enable_gpio)
+		gpiod_direction_output(led->enable_gpio, 0);
+
+	if (led->regulator) {
+		ret = regulator_disable(led->regulator);
+		if (ret)
+			dev_err(&led->client->dev,
+				"Failed to disable regulator: %d\n", ret);
+	}
+
+	led->enabled = false;
+	return ret;
+}
+
+static int lm3692x_brightness_set(struct led_classdev *led_cdev,
+				enum led_brightness brt_val)
+{
+	struct lm3692x_led *led =
+			container_of(led_cdev, struct lm3692x_led, led_dev);
+	int ret;
+	int led_brightness_lsb = (brt_val >> 5);
+
+	mutex_lock(&led->lock);
+
+	if (brt_val == 0) {
+		ret = lm3692x_leds_disable(led);
+		goto out;
+	} else {
+		lm3692x_leds_enable(led);
+	}
+
+	ret = lm3692x_fault_check(led);
+	if (ret) {
+		dev_err(&led->client->dev, "Cannot read/clear faults: %d\n",
+			ret);
+		goto out;
+	}
+
+	ret = regmap_write(led->regmap, LM3692X_BRT_MSB, brt_val);
+	if (ret) {
+		dev_err(&led->client->dev, "Cannot write MSB: %d\n", ret);
+		goto out;
+	}
+
+	ret = regmap_write(led->regmap, LM3692X_BRT_LSB, led_brightness_lsb);
+	if (ret) {
+		dev_err(&led->client->dev, "Cannot write LSB: %d\n", ret);
+		goto out;
+	}
+out:
+	mutex_unlock(&led->lock);
+	return ret;
+}
+
+static enum led_brightness lm3692x_max_brightness(struct lm3692x_led *led,
+						  u32 max_cur)
+{
+	u32 max_code;
+
+	/* see p.12 of LM36922 data sheet for brightness formula */
+	max_code = ((max_cur * 1000) - 37806) / 12195;
+	if (max_code > 0x7FF)
+		max_code = 0x7FF;
+
+	return max_code >> 3;
+}
+
 static int lm3692x_probe_dt(struct lm3692x_led *led)
 {
 	struct fwnode_handle *child = NULL;
 	struct led_init_data init_data = {};
+	u32 ovp, max_cur;
 	int ret;
 
 	led->enable_gpio = devm_gpiod_get_optional(&led->client->dev,
@@ -337,25 +394,45 @@
 	led->regulator = devm_regulator_get_optional(&led->client->dev, "vled");
 	if (IS_ERR(led->regulator)) {
 		ret = PTR_ERR(led->regulator);
-		if (ret != -ENODEV) {
-			if (ret != -EPROBE_DEFER)
-				dev_err(&led->client->dev,
-					"Failed to get vled regulator: %d\n",
-					ret);
-			return ret;
-		}
+		if (ret != -ENODEV)
+			return dev_err_probe(&led->client->dev, ret,
+					     "Failed to get vled regulator\n");
+
 		led->regulator = NULL;
 	}
 
+	led->boost_ctrl = LM3692X_BOOST_SW_1MHZ |
+		LM3692X_BOOST_SW_NO_SHIFT |
+		LM3692X_OCP_PROT_1_5A;
+	ret = device_property_read_u32(&led->client->dev,
+				       "ti,ovp-microvolt", &ovp);
+	if (ret) {
+		led->boost_ctrl |= LM3692X_OVP_29V;
+	} else {
+		switch (ovp) {
+		case 17000000:
+			break;
+		case 21000000:
+			led->boost_ctrl |= LM3692X_OVP_21V;
+			break;
+		case 25000000:
+			led->boost_ctrl |= LM3692X_OVP_25V;
+			break;
+		case 29000000:
+			led->boost_ctrl |= LM3692X_OVP_29V;
+			break;
+		default:
+			dev_err(&led->client->dev, "Invalid OVP %d\n", ovp);
+			return -EINVAL;
+		}
+	}
+
 	child = device_get_next_child_node(&led->client->dev, child);
 	if (!child) {
 		dev_err(&led->client->dev, "No LED Child node\n");
 		return -ENODEV;
 	}
 
-	fwnode_property_read_string(child, "linux,default-trigger",
-				    &led->led_dev.default_trigger);
-
 	ret = fwnode_property_read_u32(child, "reg", &led->led_enable);
 	if (ret) {
 		fwnode_handle_put(child);
@@ -363,6 +440,10 @@
 		return ret;
 	}
 
+	ret = fwnode_property_read_u32(child, "led-max-microamp", &max_cur);
+	led->led_dev.max_brightness = ret ? LED_FULL :
+		lm3692x_max_brightness(led, max_cur);
+
 	init_data.fwnode = child;
 	init_data.devicename = led->client->name;
 	init_data.default_label = ":";
@@ -404,7 +485,7 @@
 	if (ret)
 		return ret;
 
-	ret = lm3692x_init(led);
+	ret = lm3692x_leds_enable(led);
 	if (ret)
 		return ret;
 
@@ -416,22 +497,9 @@
 	struct lm3692x_led *led = i2c_get_clientdata(client);
 	int ret;
 
-	ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN, 0);
-	if (ret) {
-		dev_err(&led->client->dev, "Failed to disable regulator\n");
+	ret = lm3692x_leds_disable(led);
+	if (ret)
 		return ret;
-	}
-
-	if (led->enable_gpio)
-		gpiod_direction_output(led->enable_gpio, 0);
-
-	if (led->regulator) {
-		ret = regulator_disable(led->regulator);
-		if (ret)
-			dev_err(&led->client->dev,
-				"Failed to disable regulator\n");
-	}
-
 	mutex_destroy(&led->lock);
 
 	return 0;
diff --git a/drivers/leds/leds-lm3697.c b/drivers/leds/leds-lm3697.c
index b71711a..912e8bb 100644
--- a/drivers/leds/leds-lm3697.c
+++ b/drivers/leds/leds-lm3697.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 // TI LM3697 LED chip family driver
-// Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+// Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
 
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
@@ -78,6 +78,7 @@
 	struct mutex lock;
 
 	int bank_cfg;
+	int num_banks;
 
 	struct lm3697_led leds[];
 };
@@ -115,6 +116,7 @@
 	struct lm3697_led *led = container_of(led_cdev, struct lm3697_led,
 					      led_dev);
 	int ctrl_en_val = (1 << led->control_bank);
+	struct device *dev = led->priv->dev;
 	int ret;
 
 	mutex_lock(&led->priv->lock);
@@ -123,7 +125,7 @@
 		ret = regmap_update_bits(led->priv->regmap, LM3697_CTRL_ENABLE,
 					 ctrl_en_val, ~ctrl_en_val);
 		if (ret) {
-			dev_err(&led->priv->client->dev, "Cannot write ctrl register\n");
+			dev_err(dev, "Cannot write ctrl register\n");
 			goto brightness_out;
 		}
 
@@ -131,8 +133,7 @@
 	} else {
 		ret = ti_lmu_common_set_brightness(&led->lmu_data, brt_val);
 		if (ret) {
-			dev_err(&led->priv->client->dev,
-				"Cannot write brightness\n");
+			dev_err(dev, "Cannot write brightness\n");
 			goto brightness_out;
 		}
 
@@ -141,8 +142,7 @@
 						 LM3697_CTRL_ENABLE,
 						 ctrl_en_val, ctrl_en_val);
 			if (ret) {
-				dev_err(&led->priv->client->dev,
-					"Cannot enable the device\n");
+				dev_err(dev, "Cannot enable the device\n");
 				goto brightness_out;
 			}
 
@@ -157,6 +157,7 @@
 
 static int lm3697_init(struct lm3697 *priv)
 {
+	struct device *dev = priv->dev;
 	struct lm3697_led *led;
 	int i, ret;
 
@@ -165,26 +166,26 @@
 	} else {
 		ret = regmap_write(priv->regmap, LM3697_RESET, LM3697_SW_RESET);
 		if (ret) {
-			dev_err(&priv->client->dev, "Cannot reset the device\n");
+			dev_err(dev, "Cannot reset the device\n");
 			goto out;
 		}
 	}
 
 	ret = regmap_write(priv->regmap, LM3697_CTRL_ENABLE, 0x0);
 	if (ret) {
-		dev_err(&priv->client->dev, "Cannot write ctrl enable\n");
+		dev_err(dev, "Cannot write ctrl enable\n");
 		goto out;
 	}
 
 	ret = regmap_write(priv->regmap, LM3697_OUTPUT_CONFIG, priv->bank_cfg);
 	if (ret)
-		dev_err(&priv->client->dev, "Cannot write OUTPUT config\n");
+		dev_err(dev, "Cannot write OUTPUT config\n");
 
-	for (i = 0; i < LM3697_MAX_CONTROL_BANKS; i++) {
+	for (i = 0; i < priv->num_banks; i++) {
 		led = &priv->leds[i];
 		ret = ti_lmu_common_set_ramp(&led->lmu_data);
 		if (ret)
-			dev_err(&priv->client->dev, "Setting the ramp rate failed\n");
+			dev_err(dev, "Setting the ramp rate failed\n");
 	}
 out:
 	return ret;
@@ -193,36 +194,35 @@
 static int lm3697_probe_dt(struct lm3697 *priv)
 {
 	struct fwnode_handle *child = NULL;
+	struct device *dev = priv->dev;
 	struct lm3697_led *led;
-	const char *name;
+	int ret = -EINVAL;
 	int control_bank;
 	size_t i = 0;
-	int ret = -EINVAL;
 	int j;
 
-	priv->enable_gpio = devm_gpiod_get_optional(&priv->client->dev,
-						   "enable", GPIOD_OUT_LOW);
-	if (IS_ERR(priv->enable_gpio)) {
-		ret = PTR_ERR(priv->enable_gpio);
-		dev_err(&priv->client->dev, "Failed to get enable gpio: %d\n",
-			ret);
-		return ret;
-	}
+	priv->enable_gpio = devm_gpiod_get_optional(dev, "enable",
+						    GPIOD_OUT_LOW);
+	if (IS_ERR(priv->enable_gpio))
+		return dev_err_probe(dev, PTR_ERR(priv->enable_gpio),
+					  "Failed to get enable GPIO\n");
 
-	priv->regulator = devm_regulator_get(&priv->client->dev, "vled");
+	priv->regulator = devm_regulator_get(dev, "vled");
 	if (IS_ERR(priv->regulator))
 		priv->regulator = NULL;
 
-	device_for_each_child_node(priv->dev, child) {
+	device_for_each_child_node(dev, child) {
+		struct led_init_data init_data = {};
+
 		ret = fwnode_property_read_u32(child, "reg", &control_bank);
 		if (ret) {
-			dev_err(&priv->client->dev, "reg property missing\n");
+			dev_err(dev, "reg property missing\n");
 			fwnode_handle_put(child);
 			goto child_out;
 		}
 
 		if (control_bank > LM3697_CONTROL_B) {
-			dev_err(&priv->client->dev, "reg property is invalid\n");
+			dev_err(dev, "reg property is invalid\n");
 			ret = -EINVAL;
 			fwnode_handle_put(child);
 			goto child_out;
@@ -230,10 +230,10 @@
 
 		led = &priv->leds[i];
 
-		ret = ti_lmu_common_get_brt_res(&priv->client->dev,
-						child, &led->lmu_data);
+		ret = ti_lmu_common_get_brt_res(dev, child, &led->lmu_data);
 		if (ret)
-			dev_warn(&priv->client->dev, "brightness resolution property missing\n");
+			dev_warn(dev,
+				 "brightness resolution property missing\n");
 
 		led->control_bank = control_bank;
 		led->lmu_data.regmap = priv->regmap;
@@ -246,7 +246,7 @@
 
 		led->num_leds = fwnode_property_count_u32(child, "led-sources");
 		if (led->num_leds > LM3697_MAX_LED_STRINGS) {
-			dev_err(&priv->client->dev, "To many LED strings defined\n");
+			dev_err(dev, "Too many LED strings defined\n");
 			continue;
 		}
 
@@ -254,7 +254,7 @@
 						    led->hvled_strings,
 						    led->num_leds);
 		if (ret) {
-			dev_err(&priv->client->dev, "led-sources property missing\n");
+			dev_err(dev, "led-sources property missing\n");
 			fwnode_handle_put(child);
 			goto child_out;
 		}
@@ -263,31 +263,23 @@
 			priv->bank_cfg |=
 				(led->control_bank << led->hvled_strings[j]);
 
-		ret = ti_lmu_common_get_ramp_params(&priv->client->dev,
-						    child, &led->lmu_data);
+		ret = ti_lmu_common_get_ramp_params(dev, child, &led->lmu_data);
 		if (ret)
-			dev_warn(&priv->client->dev, "runtime-ramp properties missing\n");
+			dev_warn(dev, "runtime-ramp properties missing\n");
 
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led->led_dev.default_trigger);
-
-		ret = fwnode_property_read_string(child, "label", &name);
-		if (ret)
-			snprintf(led->label, sizeof(led->label),
-				"%s::", priv->client->name);
-		else
-			snprintf(led->label, sizeof(led->label),
-				 "%s:%s", priv->client->name, name);
+		init_data.fwnode = child;
+		init_data.devicename = priv->client->name;
+		/* for backwards compatibility if `label` is not present */
+		init_data.default_label = ":";
 
 		led->priv = priv;
-		led->led_dev.name = led->label;
 		led->led_dev.max_brightness = led->lmu_data.max_brightness;
 		led->led_dev.brightness_set_blocking = lm3697_brightness_set;
 
-		ret = devm_led_classdev_register(priv->dev, &led->led_dev);
+		ret = devm_led_classdev_register_ext(dev, &led->led_dev,
+						     &init_data);
 		if (ret) {
-			dev_err(&priv->client->dev, "led register err: %d\n",
-				ret);
+			dev_err(dev, "led register err: %d\n", ret);
 			fwnode_handle_put(child);
 			goto child_out;
 		}
@@ -302,18 +294,18 @@
 static int lm3697_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
 {
+	struct device *dev = &client->dev;
 	struct lm3697 *led;
 	int count;
 	int ret;
 
-	count = device_get_child_node_count(&client->dev);
-	if (!count) {
-		dev_err(&client->dev, "LEDs are not defined in device tree!");
+	count = device_get_child_node_count(dev);
+	if (!count || count > LM3697_MAX_CONTROL_BANKS) {
+		dev_err(dev, "Strange device tree!");
 		return -ENODEV;
 	}
 
-	led = devm_kzalloc(&client->dev, struct_size(led, leds, count),
-			   GFP_KERNEL);
+	led = devm_kzalloc(dev, struct_size(led, leds, count), GFP_KERNEL);
 	if (!led)
 		return -ENOMEM;
 
@@ -321,12 +313,12 @@
 	i2c_set_clientdata(client, led);
 
 	led->client = client;
-	led->dev = &client->dev;
+	led->dev = dev;
+	led->num_banks = count;
 	led->regmap = devm_regmap_init_i2c(client, &lm3697_regmap_config);
 	if (IS_ERR(led->regmap)) {
 		ret = PTR_ERR(led->regmap);
-		dev_err(&client->dev, "Failed to allocate register map: %d\n",
-			ret);
+		dev_err(dev, "Failed to allocate register map: %d\n", ret);
 		return ret;
 	}
 
@@ -340,12 +332,13 @@
 static int lm3697_remove(struct i2c_client *client)
 {
 	struct lm3697 *led = i2c_get_clientdata(client);
+	struct device *dev = &led->client->dev;
 	int ret;
 
 	ret = regmap_update_bits(led->regmap, LM3697_CTRL_ENABLE,
 				 LM3697_CTRL_A_B_EN, 0);
 	if (ret) {
-		dev_err(&led->client->dev, "Failed to disable the device\n");
+		dev_err(dev, "Failed to disable the device\n");
 		return ret;
 	}
 
@@ -355,8 +348,7 @@
 	if (led->regulator) {
 		ret = regulator_disable(led->regulator);
 		if (ret)
-			dev_err(&led->client->dev,
-				"Failed to disable regulator\n");
+			dev_err(dev, "Failed to disable regulator\n");
 	}
 
 	mutex_destroy(&led->lock);
diff --git a/drivers/leds/leds-lp3952.c b/drivers/leds/leds-lp3952.c
index 4e4e542..6ee9131 100644
--- a/drivers/leds/leds-lp3952.c
+++ b/drivers/leds/leds-lp3952.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
new file mode 100644
index 0000000..d452908
--- /dev/null
+++ b/drivers/leds/leds-lp50xx.c
@@ -0,0 +1,633 @@
+// SPDX-License-Identifier: GPL-2.0
+// TI LP50XX LED chip family driver
+// Copyright (C) 2018-20 Texas Instruments Incorporated - https://www.ti.com/
+
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <uapi/linux/uleds.h>
+
+#include <linux/led-class-multicolor.h>
+
+#include "leds.h"
+
+#define LP50XX_DEV_CFG0		0x00
+#define LP50XX_DEV_CFG1		0x01
+#define LP50XX_LED_CFG0		0x02
+
+/* LP5009 and LP5012 registers */
+#define LP5012_BNK_BRT		0x03
+#define LP5012_BNKA_CLR		0x04
+#define LP5012_BNKB_CLR		0x05
+#define LP5012_BNKC_CLR		0x06
+#define LP5012_LED0_BRT		0x07
+#define LP5012_OUT0_CLR		0x0b
+#define LP5012_RESET		0x17
+
+/* LP5018 and LP5024 registers */
+#define LP5024_BNK_BRT		0x03
+#define LP5024_BNKA_CLR		0x04
+#define LP5024_BNKB_CLR		0x05
+#define LP5024_BNKC_CLR		0x06
+#define LP5024_LED0_BRT		0x07
+#define LP5024_OUT0_CLR		0x0f
+#define LP5024_RESET		0x27
+
+/* LP5030 and LP5036 registers */
+#define LP5036_LED_CFG1		0x03
+#define LP5036_BNK_BRT		0x04
+#define LP5036_BNKA_CLR		0x05
+#define LP5036_BNKB_CLR		0x06
+#define LP5036_BNKC_CLR		0x07
+#define LP5036_LED0_BRT		0x08
+#define LP5036_OUT0_CLR		0x14
+#define LP5036_RESET		0x38
+
+#define LP50XX_SW_RESET		0xff
+#define LP50XX_CHIP_EN		BIT(6)
+
+/* There are 3 LED outputs per bank */
+#define LP50XX_LEDS_PER_MODULE	3
+
+#define LP5009_MAX_LED_MODULES	2
+#define LP5012_MAX_LED_MODULES	4
+#define LP5018_MAX_LED_MODULES	6
+#define LP5024_MAX_LED_MODULES	8
+#define LP5030_MAX_LED_MODULES	10
+#define LP5036_MAX_LED_MODULES	12
+
+static const struct reg_default lp5012_reg_defs[] = {
+	{LP50XX_DEV_CFG0, 0x0},
+	{LP50XX_DEV_CFG1, 0x3c},
+	{LP50XX_LED_CFG0, 0x0},
+	{LP5012_BNK_BRT, 0xff},
+	{LP5012_BNKA_CLR, 0x0f},
+	{LP5012_BNKB_CLR, 0x0f},
+	{LP5012_BNKC_CLR, 0x0f},
+	{LP5012_LED0_BRT, 0x0f},
+	/* LEDX_BRT registers are all 0xff for defaults */
+	{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff},
+	{LP5012_OUT0_CLR, 0x0f},
+	/* OUTX_CLR registers are all 0x0 for defaults */
+	{0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00}, {0x10, 0x00},
+	{0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00},	{0x15, 0x00},
+	{0x16, 0x00},
+	{LP5012_RESET, 0x00}
+};
+
+static const struct reg_default lp5024_reg_defs[] = {
+	{LP50XX_DEV_CFG0, 0x0},
+	{LP50XX_DEV_CFG1, 0x3c},
+	{LP50XX_LED_CFG0, 0x0},
+	{LP5024_BNK_BRT, 0xff},
+	{LP5024_BNKA_CLR, 0x0f},
+	{LP5024_BNKB_CLR, 0x0f},
+	{LP5024_BNKC_CLR, 0x0f},
+	{LP5024_LED0_BRT, 0x0f},
+	/* LEDX_BRT registers are all 0xff for defaults */
+	{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff},
+	{0x0d, 0xff}, {0x0e, 0xff},
+	{LP5024_OUT0_CLR, 0x0f},
+	/* OUTX_CLR registers are all 0x0 for defaults */
+	{0x10, 0x00}, {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00},
+	{0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00},
+	{0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00},
+	{0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00},
+	{0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00},
+	{LP5024_RESET, 0x00}
+};
+
+static const struct reg_default lp5036_reg_defs[] = {
+	{LP50XX_DEV_CFG0, 0x0},
+	{LP50XX_DEV_CFG1, 0x3c},
+	{LP50XX_LED_CFG0, 0x0},
+	{LP5036_LED_CFG1, 0x0},
+	{LP5036_BNK_BRT, 0xff},
+	{LP5036_BNKA_CLR, 0x0f},
+	{LP5036_BNKB_CLR, 0x0f},
+	{LP5036_BNKC_CLR, 0x0f},
+	{LP5036_LED0_BRT, 0x0f},
+	/* LEDX_BRT registers are all 0xff for defaults */
+	{0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff},
+	{0x0d, 0xff}, {0x0e, 0xff}, {0x0f, 0xff}, {0x10, 0xff}, {0x11, 0xff},
+	{0x12, 0xff}, {0x13, 0xff},
+	{LP5036_OUT0_CLR, 0x0f},
+	/* OUTX_CLR registers are all 0x0 for defaults */
+	{0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00},
+	{0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00},
+	{0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00},
+	{0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00},
+	{0x29, 0x00}, {0x2a, 0x00}, {0x2b, 0x00}, {0x2c, 0x00}, {0x2d, 0x00},
+	{0x2e, 0x00}, {0x2f, 0x00}, {0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00},
+	{0x33, 0x00}, {0x34, 0x00}, {0x35, 0x00}, {0x36, 0x00}, {0x37, 0x00},
+	{LP5036_RESET, 0x00}
+};
+
+static const struct regmap_config lp5012_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = LP5012_RESET,
+	.reg_defaults = lp5012_reg_defs,
+	.num_reg_defaults = ARRAY_SIZE(lp5012_reg_defs),
+	.cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config lp5024_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = LP5024_RESET,
+	.reg_defaults = lp5024_reg_defs,
+	.num_reg_defaults = ARRAY_SIZE(lp5024_reg_defs),
+	.cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config lp5036_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = LP5036_RESET,
+	.reg_defaults = lp5036_reg_defs,
+	.num_reg_defaults = ARRAY_SIZE(lp5036_reg_defs),
+	.cache_type = REGCACHE_FLAT,
+};
+
+enum lp50xx_model {
+	LP5009,
+	LP5012,
+	LP5018,
+	LP5024,
+	LP5030,
+	LP5036,
+};
+
+/**
+ * struct lp50xx_chip_info -
+ * @lp50xx_regmap_config: regmap register configuration
+ * @model_id: LED device model
+ * @max_modules: total number of supported LED modules
+ * @num_leds: number of LED outputs available on the device
+ * @led_brightness0_reg: first brightness register of the device
+ * @mix_out0_reg: first color mix register of the device
+ * @bank_brt_reg: bank brightness register
+ * @bank_mix_reg: color mix register
+ * @reset_reg: device reset register
+ */
+struct lp50xx_chip_info {
+	const struct regmap_config *lp50xx_regmap_config;
+	int model_id;
+	u8 max_modules;
+	u8 num_leds;
+	u8 led_brightness0_reg;
+	u8 mix_out0_reg;
+	u8 bank_brt_reg;
+	u8 bank_mix_reg;
+	u8 reset_reg;
+};
+
+static const struct lp50xx_chip_info lp50xx_chip_info_tbl[] = {
+	[LP5009] = {
+		.model_id = LP5009,
+		.max_modules = LP5009_MAX_LED_MODULES,
+		.num_leds = LP5009_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5012_LED0_BRT,
+		.mix_out0_reg = LP5012_OUT0_CLR,
+		.bank_brt_reg = LP5012_BNK_BRT,
+		.bank_mix_reg = LP5012_BNKA_CLR,
+		.reset_reg = LP5012_RESET,
+		.lp50xx_regmap_config = &lp5012_regmap_config,
+	},
+	[LP5012] = {
+		.model_id = LP5012,
+		.max_modules = LP5012_MAX_LED_MODULES,
+		.num_leds = LP5012_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5012_LED0_BRT,
+		.mix_out0_reg = LP5012_OUT0_CLR,
+		.bank_brt_reg = LP5012_BNK_BRT,
+		.bank_mix_reg = LP5012_BNKA_CLR,
+		.reset_reg = LP5012_RESET,
+		.lp50xx_regmap_config = &lp5012_regmap_config,
+	},
+	[LP5018] = {
+		.model_id = LP5018,
+		.max_modules = LP5018_MAX_LED_MODULES,
+		.num_leds = LP5018_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5024_LED0_BRT,
+		.mix_out0_reg = LP5024_OUT0_CLR,
+		.bank_brt_reg = LP5024_BNK_BRT,
+		.bank_mix_reg = LP5024_BNKA_CLR,
+		.reset_reg = LP5024_RESET,
+		.lp50xx_regmap_config = &lp5024_regmap_config,
+	},
+	[LP5024] = {
+		.model_id = LP5024,
+		.max_modules = LP5024_MAX_LED_MODULES,
+		.num_leds = LP5024_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5024_LED0_BRT,
+		.mix_out0_reg = LP5024_OUT0_CLR,
+		.bank_brt_reg = LP5024_BNK_BRT,
+		.bank_mix_reg = LP5024_BNKA_CLR,
+		.reset_reg = LP5024_RESET,
+		.lp50xx_regmap_config = &lp5024_regmap_config,
+	},
+	[LP5030] = {
+		.model_id = LP5030,
+		.max_modules = LP5030_MAX_LED_MODULES,
+		.num_leds = LP5030_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5036_LED0_BRT,
+		.mix_out0_reg = LP5036_OUT0_CLR,
+		.bank_brt_reg = LP5036_BNK_BRT,
+		.bank_mix_reg = LP5036_BNKA_CLR,
+		.reset_reg = LP5036_RESET,
+		.lp50xx_regmap_config = &lp5036_regmap_config,
+	},
+	[LP5036] = {
+		.model_id = LP5036,
+		.max_modules = LP5036_MAX_LED_MODULES,
+		.num_leds = LP5036_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE,
+		.led_brightness0_reg = LP5036_LED0_BRT,
+		.mix_out0_reg = LP5036_OUT0_CLR,
+		.bank_brt_reg = LP5036_BNK_BRT,
+		.bank_mix_reg = LP5036_BNKA_CLR,
+		.reset_reg = LP5036_RESET,
+		.lp50xx_regmap_config = &lp5036_regmap_config,
+	},
+};
+
+struct lp50xx_led {
+	struct led_classdev_mc mc_cdev;
+	struct lp50xx *priv;
+	unsigned long bank_modules;
+	int led_intensity[LP50XX_LEDS_PER_MODULE];
+	u8 ctrl_bank_enabled;
+	int led_number;
+};
+
+/**
+ * struct lp50xx -
+ * @enable_gpio: hardware enable gpio
+ * @regulator: LED supply regulator pointer
+ * @client: pointer to the I2C client
+ * @regmap: device register map
+ * @dev: pointer to the devices device struct
+ * @lock: lock for reading/writing the device
+ * @chip_info: chip specific information (ie num_leds)
+ * @num_of_banked_leds: holds the number of banked LEDs
+ * @leds: array of LED strings
+ */
+struct lp50xx {
+	struct gpio_desc *enable_gpio;
+	struct regulator *regulator;
+	struct i2c_client *client;
+	struct regmap *regmap;
+	struct device *dev;
+	struct mutex lock;
+	const struct lp50xx_chip_info *chip_info;
+	int num_of_banked_leds;
+
+	/* This needs to be at the end of the struct */
+	struct lp50xx_led leds[];
+};
+
+static struct lp50xx_led *mcled_cdev_to_led(struct led_classdev_mc *mc_cdev)
+{
+	return container_of(mc_cdev, struct lp50xx_led, mc_cdev);
+}
+
+static int lp50xx_brightness_set(struct led_classdev *cdev,
+			     enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_dev = lcdev_to_mccdev(cdev);
+	struct lp50xx_led *led = mcled_cdev_to_led(mc_dev);
+	const struct lp50xx_chip_info *led_chip = led->priv->chip_info;
+	u8 led_offset, reg_val;
+	int ret = 0;
+	int i;
+
+	mutex_lock(&led->priv->lock);
+	if (led->ctrl_bank_enabled)
+		reg_val = led_chip->bank_brt_reg;
+	else
+		reg_val = led_chip->led_brightness0_reg +
+			  led->led_number;
+
+	ret = regmap_write(led->priv->regmap, reg_val, brightness);
+	if (ret) {
+		dev_err(&led->priv->client->dev,
+			"Cannot write brightness value %d\n", ret);
+		goto out;
+	}
+
+	for (i = 0; i < led->mc_cdev.num_colors; i++) {
+		if (led->ctrl_bank_enabled) {
+			reg_val = led_chip->bank_mix_reg + i;
+		} else {
+			led_offset = (led->led_number * 3) + i;
+			reg_val = led_chip->mix_out0_reg + led_offset;
+		}
+
+		ret = regmap_write(led->priv->regmap, reg_val,
+				   mc_dev->subled_info[i].intensity);
+		if (ret) {
+			dev_err(&led->priv->client->dev,
+				"Cannot write intensity value %d\n", ret);
+			goto out;
+		}
+	}
+out:
+	mutex_unlock(&led->priv->lock);
+	return ret;
+}
+
+static int lp50xx_set_banks(struct lp50xx *priv, u32 led_banks[])
+{
+	u8 led_config_lo, led_config_hi;
+	u32 bank_enable_mask = 0;
+	int ret;
+	int i;
+
+	for (i = 0; i < priv->chip_info->max_modules; i++) {
+		if (led_banks[i])
+			bank_enable_mask |= (1 << led_banks[i]);
+	}
+
+	led_config_lo = (u8)(bank_enable_mask & 0xff);
+	led_config_hi = (u8)(bank_enable_mask >> 8) & 0xff;
+
+	ret = regmap_write(priv->regmap, LP50XX_LED_CFG0, led_config_lo);
+	if (ret)
+		return ret;
+
+	if (priv->chip_info->model_id >= LP5030)
+		ret = regmap_write(priv->regmap, LP5036_LED_CFG1, led_config_hi);
+
+	return ret;
+}
+
+static int lp50xx_reset(struct lp50xx *priv)
+{
+	return regmap_write(priv->regmap, priv->chip_info->reset_reg, LP50XX_SW_RESET);
+}
+
+static int lp50xx_enable_disable(struct lp50xx *priv, int enable_disable)
+{
+	int ret;
+
+	if (priv->enable_gpio) {
+		ret = gpiod_direction_output(priv->enable_gpio, enable_disable);
+		if (ret)
+			return ret;
+	}
+
+	if (enable_disable)
+		return regmap_write(priv->regmap, LP50XX_DEV_CFG0, LP50XX_CHIP_EN);
+	else
+		return regmap_write(priv->regmap, LP50XX_DEV_CFG0, 0);
+
+}
+
+static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv,
+			     struct lp50xx_led *led, int num_leds)
+{
+	u32 led_banks[LP5036_MAX_LED_MODULES] = {0};
+	int led_number;
+	int ret;
+
+	if (num_leds > 1) {
+		if (num_leds > priv->chip_info->max_modules) {
+			dev_err(&priv->client->dev, "reg property is invalid\n");
+			return -EINVAL;
+		}
+
+		priv->num_of_banked_leds = num_leds;
+
+		ret = fwnode_property_read_u32_array(child, "reg", led_banks, num_leds);
+		if (ret) {
+			dev_err(&priv->client->dev, "reg property is missing\n");
+			return ret;
+		}
+
+		ret = lp50xx_set_banks(priv, led_banks);
+		if (ret) {
+			dev_err(&priv->client->dev, "Cannot setup banked LEDs\n");
+			return ret;
+		}
+
+		led->ctrl_bank_enabled = 1;
+	} else {
+		ret = fwnode_property_read_u32(child, "reg", &led_number);
+		if (ret) {
+			dev_err(&priv->client->dev, "led reg property missing\n");
+			return ret;
+		}
+
+		if (led_number > priv->chip_info->num_leds) {
+			dev_err(&priv->client->dev, "led-sources property is invalid\n");
+			return -EINVAL;
+		}
+
+		led->led_number = led_number;
+	}
+
+	return 0;
+}
+
+static int lp50xx_probe_dt(struct lp50xx *priv)
+{
+	struct fwnode_handle *child = NULL;
+	struct fwnode_handle *led_node = NULL;
+	struct led_init_data init_data = {};
+	struct led_classdev *led_cdev;
+	struct mc_subled *mc_led_info;
+	struct lp50xx_led *led;
+	int ret = -EINVAL;
+	int num_colors;
+	u32 color_id;
+	int i = 0;
+
+	priv->enable_gpio = devm_gpiod_get_optional(priv->dev, "enable", GPIOD_OUT_LOW);
+	if (IS_ERR(priv->enable_gpio)) {
+		ret = PTR_ERR(priv->enable_gpio);
+		dev_err(&priv->client->dev, "Failed to get enable gpio: %d\n",
+			ret);
+		return ret;
+	}
+
+	priv->regulator = devm_regulator_get(priv->dev, "vled");
+	if (IS_ERR(priv->regulator))
+		priv->regulator = NULL;
+
+	device_for_each_child_node(priv->dev, child) {
+		led = &priv->leds[i];
+		ret = fwnode_property_count_u32(child, "reg");
+		if (ret < 0) {
+			dev_err(&priv->client->dev, "reg property is invalid\n");
+			goto child_out;
+		}
+
+		ret = lp50xx_probe_leds(child, priv, led, ret);
+		if (ret)
+			goto child_out;
+
+		init_data.fwnode = child;
+		num_colors = 0;
+
+		/*
+		 * There are only 3 LEDs per module otherwise they should be
+		 * banked which also is presented as 3 LEDs.
+		 */
+		mc_led_info = devm_kcalloc(priv->dev, LP50XX_LEDS_PER_MODULE,
+					   sizeof(*mc_led_info), GFP_KERNEL);
+		if (!mc_led_info) {
+			ret = -ENOMEM;
+			goto child_out;
+		}
+
+		fwnode_for_each_child_node(child, led_node) {
+			ret = fwnode_property_read_u32(led_node, "color",
+						       &color_id);
+			if (ret) {
+				fwnode_handle_put(led_node);
+				dev_err(priv->dev, "Cannot read color\n");
+				goto child_out;
+			}
+
+			mc_led_info[num_colors].color_index = color_id;
+			num_colors++;
+		}
+
+		led->priv = priv;
+		led->mc_cdev.num_colors = num_colors;
+		led->mc_cdev.subled_info = mc_led_info;
+		led_cdev = &led->mc_cdev.led_cdev;
+		led_cdev->brightness_set_blocking = lp50xx_brightness_set;
+
+		ret = devm_led_classdev_multicolor_register_ext(&priv->client->dev,
+						       &led->mc_cdev,
+						       &init_data);
+		if (ret) {
+			dev_err(&priv->client->dev, "led register err: %d\n",
+				ret);
+			goto child_out;
+		}
+		i++;
+	}
+
+	return 0;
+
+child_out:
+	fwnode_handle_put(child);
+	return ret;
+}
+
+static int lp50xx_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct lp50xx *led;
+	int count;
+	int ret;
+
+	count = device_get_child_node_count(&client->dev);
+	if (!count) {
+		dev_err(&client->dev, "LEDs are not defined in device tree!");
+		return -ENODEV;
+	}
+
+	led = devm_kzalloc(&client->dev, struct_size(led, leds, count),
+			   GFP_KERNEL);
+	if (!led)
+		return -ENOMEM;
+
+	mutex_init(&led->lock);
+	led->client = client;
+	led->dev = &client->dev;
+	led->chip_info = &lp50xx_chip_info_tbl[id->driver_data];
+	i2c_set_clientdata(client, led);
+	led->regmap = devm_regmap_init_i2c(client,
+					led->chip_info->lp50xx_regmap_config);
+	if (IS_ERR(led->regmap)) {
+		ret = PTR_ERR(led->regmap);
+		dev_err(&client->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	ret = lp50xx_reset(led);
+	if (ret)
+		return ret;
+
+	ret = lp50xx_enable_disable(led, 1);
+	if (ret)
+		return ret;
+
+	return lp50xx_probe_dt(led);
+}
+
+static int lp50xx_remove(struct i2c_client *client)
+{
+	struct lp50xx *led = i2c_get_clientdata(client);
+	int ret;
+
+	ret = lp50xx_enable_disable(led, 0);
+	if (ret) {
+		dev_err(&led->client->dev, "Failed to disable chip\n");
+		return ret;
+	}
+
+	if (led->regulator) {
+		ret = regulator_disable(led->regulator);
+		if (ret)
+			dev_err(&led->client->dev,
+				"Failed to disable regulator\n");
+	}
+
+	mutex_destroy(&led->lock);
+
+	return 0;
+}
+
+static const struct i2c_device_id lp50xx_id[] = {
+	{ "lp5009", LP5009 },
+	{ "lp5012", LP5012 },
+	{ "lp5018", LP5018 },
+	{ "lp5024", LP5024 },
+	{ "lp5030", LP5030 },
+	{ "lp5036", LP5036 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, lp50xx_id);
+
+static const struct of_device_id of_lp50xx_leds_match[] = {
+	{ .compatible = "ti,lp5009", .data = (void *)LP5009 },
+	{ .compatible = "ti,lp5012", .data = (void *)LP5012 },
+	{ .compatible = "ti,lp5018", .data = (void *)LP5018 },
+	{ .compatible = "ti,lp5024", .data = (void *)LP5024 },
+	{ .compatible = "ti,lp5030", .data = (void *)LP5030 },
+	{ .compatible = "ti,lp5036", .data = (void *)LP5036 },
+	{},
+};
+MODULE_DEVICE_TABLE(of, of_lp50xx_leds_match);
+
+static struct i2c_driver lp50xx_driver = {
+	.driver = {
+		.name	= "lp50xx",
+		.of_match_table = of_lp50xx_leds_match,
+	},
+	.probe		= lp50xx_probe,
+	.remove		= lp50xx_remove,
+	.id_table	= lp50xx_id,
+};
+module_i2c_driver(lp50xx_driver);
+
+MODULE_DESCRIPTION("Texas Instruments LP50XX LED driver");
+MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 6f02722..a9e7507 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -349,6 +349,25 @@
 	return 0;
 }
 
+static int lp5521_multicolor_brightness(struct lp55xx_led *led)
+{
+	struct lp55xx_chip *chip = led->chip;
+	int ret;
+	int i;
+
+	mutex_lock(&chip->lock);
+	for (i = 0; i < led->mc_cdev.num_colors; i++) {
+		ret = lp55xx_write(chip,
+				   LP5521_REG_LED_PWM_BASE +
+				   led->mc_cdev.subled_info[i].channel,
+				   led->mc_cdev.subled_info[i].brightness);
+		if (ret)
+			break;
+	}
+	mutex_unlock(&chip->lock);
+	return ret;
+}
+
 static int lp5521_led_brightness(struct lp55xx_led *led)
 {
 	struct lp55xx_chip *chip = led->chip;
@@ -490,6 +509,7 @@
 	.max_channel  = LP5521_MAX_LEDS,
 	.post_init_device   = lp5521_post_init_device,
 	.brightness_fn      = lp5521_led_brightness,
+	.multicolor_brightness_fn = lp5521_multicolor_brightness,
 	.set_led_current    = lp5521_set_led_current,
 	.firmware_cb        = lp5521_firmware_loaded,
 	.run_engine         = lp5521_run_engine,
@@ -503,11 +523,18 @@
 	struct lp55xx_chip *chip;
 	struct lp55xx_led *led;
 	struct lp55xx_platform_data *pdata = dev_get_platdata(&client->dev);
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
+
+	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->cfg = &lp5521_cfg;
 
 	if (!pdata) {
 		if (np) {
-			pdata = lp55xx_of_populate_pdata(&client->dev, np);
+			pdata = lp55xx_of_populate_pdata(&client->dev, np,
+							 chip);
 			if (IS_ERR(pdata))
 				return PTR_ERR(pdata);
 		} else {
@@ -516,10 +543,6 @@
 		}
 	}
 
-	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
-
 	led = devm_kcalloc(&client->dev,
 			pdata->num_channels, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -527,7 +550,6 @@
 
 	chip->cl = client;
 	chip->pdata = pdata;
-	chip->cfg = &lp5521_cfg;
 
 	mutex_init(&chip->lock);
 
@@ -541,19 +563,17 @@
 
 	ret = lp55xx_register_leds(led, chip);
 	if (ret)
-		goto err_register_leds;
+		goto err_out;
 
 	ret = lp55xx_register_sysfs(chip);
 	if (ret) {
 		dev_err(&client->dev, "registering sysfs failed\n");
-		goto err_register_sysfs;
+		goto err_out;
 	}
 
 	return 0;
 
-err_register_sysfs:
-	lp55xx_unregister_leds(led, chip);
-err_register_leds:
+err_out:
 	lp55xx_deinit_device(chip);
 err_init:
 	return ret;
@@ -566,7 +586,6 @@
 
 	lp5521_stop_all_engines(chip);
 	lp55xx_unregister_sysfs(chip);
-	lp55xx_unregister_leds(led, chip);
 	lp55xx_deinit_device(chip);
 
 	return 0;
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 82e781a..b1590cb 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -23,13 +23,13 @@
 
 #define LP5523_PROGRAM_LENGTH		32	/* bytes */
 /* Memory is used like this:
-   0x00 engine 1 program
-   0x10 engine 2 program
-   0x20 engine 3 program
-   0x30 engine 1 muxing info
-   0x40 engine 2 muxing info
-   0x50 engine 3 muxing info
-*/
+ * 0x00 engine 1 program
+ * 0x10 engine 2 program
+ * 0x20 engine 3 program
+ * 0x30 engine 1 muxing info
+ * 0x40 engine 2 muxing info
+ * 0x50 engine 3 muxing info
+ */
 #define LP5523_MAX_LEDS			9
 
 /* Registers */
@@ -326,7 +326,7 @@
 					const u8 *data, size_t size)
 {
 	u8 pattern[LP5523_PROGRAM_LENGTH] = {0};
-	unsigned cmd;
+	unsigned int cmd;
 	char c[3];
 	int nrchars;
 	int ret;
@@ -468,6 +468,7 @@
 static void lp5523_mux_to_array(u16 led_mux, char *array)
 {
 	int i, pos = 0;
+
 	for (i = 0; i < LP5523_MAX_LEDS; i++)
 		pos += sprintf(array + pos, "%x", LED_ACTIVE(led_mux, i));
 
@@ -506,7 +507,7 @@
 	if (ret)
 		return ret;
 
-	ret = lp55xx_write(chip, LP5523_REG_PROG_MEM , (u8)(mux >> 8));
+	ret = lp55xx_write(chip, LP5523_REG_PROG_MEM, (u8)(mux >> 8));
 	if (ret)
 		return ret;
 
@@ -791,6 +792,25 @@
 	return ret;
 }
 
+static int lp5523_multicolor_brightness(struct lp55xx_led *led)
+{
+	struct lp55xx_chip *chip = led->chip;
+	int ret;
+	int i;
+
+	mutex_lock(&chip->lock);
+	for (i = 0; i < led->mc_cdev.num_colors; i++) {
+		ret = lp55xx_write(chip,
+				   LP5523_REG_LED_PWM_BASE +
+				   led->mc_cdev.subled_info[i].channel,
+				   led->mc_cdev.subled_info[i].brightness);
+		if (ret)
+			break;
+	}
+	mutex_unlock(&chip->lock);
+	return ret;
+}
+
 static int lp5523_led_brightness(struct lp55xx_led *led)
 {
 	struct lp55xx_chip *chip = led->chip;
@@ -857,6 +877,7 @@
 	.max_channel  = LP5523_MAX_LEDS,
 	.post_init_device   = lp5523_post_init_device,
 	.brightness_fn      = lp5523_led_brightness,
+	.multicolor_brightness_fn = lp5523_multicolor_brightness,
 	.set_led_current    = lp5523_set_led_current,
 	.firmware_cb        = lp5523_firmware_loaded,
 	.run_engine         = lp5523_run_engine,
@@ -870,11 +891,18 @@
 	struct lp55xx_chip *chip;
 	struct lp55xx_led *led;
 	struct lp55xx_platform_data *pdata = dev_get_platdata(&client->dev);
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
+
+	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->cfg = &lp5523_cfg;
 
 	if (!pdata) {
 		if (np) {
-			pdata = lp55xx_of_populate_pdata(&client->dev, np);
+			pdata = lp55xx_of_populate_pdata(&client->dev, np,
+							 chip);
 			if (IS_ERR(pdata))
 				return PTR_ERR(pdata);
 		} else {
@@ -883,10 +911,6 @@
 		}
 	}
 
-	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
-
 	led = devm_kcalloc(&client->dev,
 			pdata->num_channels, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -894,7 +918,6 @@
 
 	chip->cl = client;
 	chip->pdata = pdata;
-	chip->cfg = &lp5523_cfg;
 
 	mutex_init(&chip->lock);
 
@@ -908,19 +931,17 @@
 
 	ret = lp55xx_register_leds(led, chip);
 	if (ret)
-		goto err_register_leds;
+		goto err_out;
 
 	ret = lp55xx_register_sysfs(chip);
 	if (ret) {
 		dev_err(&client->dev, "registering sysfs failed\n");
-		goto err_register_sysfs;
+		goto err_out;
 	}
 
 	return 0;
 
-err_register_sysfs:
-	lp55xx_unregister_leds(led, chip);
-err_register_leds:
+err_out:
 	lp55xx_deinit_device(chip);
 err_init:
 	return ret;
@@ -933,7 +954,6 @@
 
 	lp5523_stop_all_engines(chip);
 	lp55xx_unregister_sysfs(chip);
-	lp55xx_unregister_leds(led, chip);
 	lp55xx_deinit_device(chip);
 
 	return 0;
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index edb57c4..31c1401 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -518,11 +518,18 @@
 	struct lp55xx_chip *chip;
 	struct lp55xx_led *led;
 	struct lp55xx_platform_data *pdata = dev_get_platdata(&client->dev);
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
+
+	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->cfg = &lp5562_cfg;
 
 	if (!pdata) {
 		if (np) {
-			pdata = lp55xx_of_populate_pdata(&client->dev, np);
+			pdata = lp55xx_of_populate_pdata(&client->dev, np,
+							 chip);
 			if (IS_ERR(pdata))
 				return PTR_ERR(pdata);
 		} else {
@@ -531,9 +538,6 @@
 		}
 	}
 
-	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
 
 	led = devm_kcalloc(&client->dev,
 			pdata->num_channels, sizeof(*led), GFP_KERNEL);
@@ -542,7 +546,6 @@
 
 	chip->cl = client;
 	chip->pdata = pdata;
-	chip->cfg = &lp5562_cfg;
 
 	mutex_init(&chip->lock);
 
@@ -554,19 +557,17 @@
 
 	ret = lp55xx_register_leds(led, chip);
 	if (ret)
-		goto err_register_leds;
+		goto err_out;
 
 	ret = lp55xx_register_sysfs(chip);
 	if (ret) {
 		dev_err(&client->dev, "registering sysfs failed\n");
-		goto err_register_sysfs;
+		goto err_out;
 	}
 
 	return 0;
 
-err_register_sysfs:
-	lp55xx_unregister_leds(led, chip);
-err_register_leds:
+err_out:
 	lp55xx_deinit_device(chip);
 err_init:
 	return ret;
@@ -580,7 +581,6 @@
 	lp5562_stop_engine(chip);
 
 	lp55xx_unregister_sysfs(chip);
-	lp55xx_unregister_leds(led, chip);
 	lp55xx_deinit_device(chip);
 
 	return 0;
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 44ced02..81de134 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -17,8 +17,7 @@
 #include <linux/module.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 
 #include "leds-lp55xx-common.h"
 
@@ -35,6 +34,11 @@
 	return cdev_to_lp55xx_led(dev_get_drvdata(dev));
 }
 
+static struct lp55xx_led *mcled_cdev_to_led(struct led_classdev_mc *mc_cdev)
+{
+	return container_of(mc_cdev, struct lp55xx_led, mc_cdev);
+}
+
 static void lp55xx_reset_device(struct lp55xx_chip *chip)
 {
 	struct lp55xx_device_config *cfg = chip->cfg;
@@ -78,7 +82,7 @@
 	return cfg->post_init_device(chip);
 }
 
-static ssize_t lp55xx_show_current(struct device *dev,
+static ssize_t led_current_show(struct device *dev,
 			    struct device_attribute *attr,
 			    char *buf)
 {
@@ -87,7 +91,7 @@
 	return scnprintf(buf, PAGE_SIZE, "%d\n", led->led_current);
 }
 
-static ssize_t lp55xx_store_current(struct device *dev,
+static ssize_t led_current_store(struct device *dev,
 			     struct device_attribute *attr,
 			     const char *buf, size_t len)
 {
@@ -111,7 +115,7 @@
 	return len;
 }
 
-static ssize_t lp55xx_show_max_current(struct device *dev,
+static ssize_t max_current_show(struct device *dev,
 			    struct device_attribute *attr,
 			    char *buf)
 {
@@ -120,9 +124,8 @@
 	return scnprintf(buf, PAGE_SIZE, "%d\n", led->max_current);
 }
 
-static DEVICE_ATTR(led_current, S_IRUGO | S_IWUSR, lp55xx_show_current,
-		lp55xx_store_current);
-static DEVICE_ATTR(max_current, S_IRUGO , lp55xx_show_max_current, NULL);
+static DEVICE_ATTR_RW(led_current);
+static DEVICE_ATTR_RO(max_current);
 
 static struct attribute *lp55xx_led_attrs[] = {
 	&dev_attr_led_current.attr,
@@ -131,6 +134,18 @@
 };
 ATTRIBUTE_GROUPS(lp55xx_led);
 
+static int lp55xx_set_mc_brightness(struct led_classdev *cdev,
+				    enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_dev = lcdev_to_mccdev(cdev);
+	struct lp55xx_led *led = mcled_cdev_to_led(mc_dev);
+	struct lp55xx_device_config *cfg = led->chip->cfg;
+
+	led_mc_calc_color_components(&led->mc_cdev, brightness);
+	return cfg->multicolor_brightness_fn(led);
+
+}
+
 static int lp55xx_set_brightness(struct led_classdev *cdev,
 			     enum led_brightness brightness)
 {
@@ -147,9 +162,12 @@
 	struct lp55xx_platform_data *pdata = chip->pdata;
 	struct lp55xx_device_config *cfg = chip->cfg;
 	struct device *dev = &chip->cl->dev;
-	char name[32];
-	int ret;
 	int max_channel = cfg->max_channel;
+	struct mc_subled *mc_led_info;
+	struct led_classdev *led_cdev;
+	char name[32];
+	int i, j = 0;
+	int ret;
 
 	if (chan >= max_channel) {
 		dev_err(dev, "invalid channel: %d / %d\n", chan, max_channel);
@@ -159,20 +177,6 @@
 	if (pdata->led_config[chan].led_current == 0)
 		return 0;
 
-	led->led_current = pdata->led_config[chan].led_current;
-	led->max_current = pdata->led_config[chan].max_current;
-	led->chan_nr = pdata->led_config[chan].chan_nr;
-	led->cdev.default_trigger = pdata->led_config[chan].default_trigger;
-
-	if (led->chan_nr >= max_channel) {
-		dev_err(dev, "Use channel numbers between 0 and %d\n",
-			max_channel - 1);
-		return -EINVAL;
-	}
-
-	led->cdev.brightness_set_blocking = lp55xx_set_brightness;
-	led->cdev.groups = lp55xx_led_groups;
-
 	if (pdata->led_config[chan].name) {
 		led->cdev.name = pdata->led_config[chan].name;
 	} else {
@@ -181,7 +185,47 @@
 		led->cdev.name = name;
 	}
 
-	ret = led_classdev_register(dev, &led->cdev);
+	if (pdata->led_config[chan].num_colors > 1) {
+		mc_led_info = devm_kcalloc(dev,
+					   pdata->led_config[chan].num_colors,
+					   sizeof(*mc_led_info), GFP_KERNEL);
+		if (!mc_led_info)
+			return -ENOMEM;
+
+		led_cdev = &led->mc_cdev.led_cdev;
+		led_cdev->name = led->cdev.name;
+		led_cdev->brightness_set_blocking = lp55xx_set_mc_brightness;
+		led->mc_cdev.num_colors = pdata->led_config[chan].num_colors;
+		for (i = 0; i < led->mc_cdev.num_colors; i++) {
+			mc_led_info[i].color_index =
+				pdata->led_config[chan].color_id[i];
+			mc_led_info[i].channel =
+					pdata->led_config[chan].output_num[i];
+			j++;
+		}
+
+		led->mc_cdev.subled_info = mc_led_info;
+	} else {
+		led->cdev.brightness_set_blocking = lp55xx_set_brightness;
+	}
+
+	led->cdev.groups = lp55xx_led_groups;
+	led->cdev.default_trigger = pdata->led_config[chan].default_trigger;
+	led->led_current = pdata->led_config[chan].led_current;
+	led->max_current = pdata->led_config[chan].max_current;
+	led->chan_nr = pdata->led_config[chan].chan_nr;
+
+	if (led->chan_nr >= max_channel) {
+		dev_err(dev, "Use channel numbers between 0 and %d\n",
+			max_channel - 1);
+		return -EINVAL;
+	}
+
+	if (pdata->led_config[chan].num_colors > 1)
+		ret = devm_led_classdev_multicolor_register(dev, &led->mc_cdev);
+	else
+		ret = devm_led_classdev_register(dev, &led->cdev);
+
 	if (ret) {
 		dev_err(dev, "led register err: %d\n", ret);
 		return ret;
@@ -225,7 +269,7 @@
 				GFP_KERNEL, chip, lp55xx_firmware_loaded);
 }
 
-static ssize_t lp55xx_show_engine_select(struct device *dev,
+static ssize_t select_engine_show(struct device *dev,
 			    struct device_attribute *attr,
 			    char *buf)
 {
@@ -235,7 +279,7 @@
 	return sprintf(buf, "%d\n", chip->engine_idx);
 }
 
-static ssize_t lp55xx_store_engine_select(struct device *dev,
+static ssize_t select_engine_store(struct device *dev,
 			     struct device_attribute *attr,
 			     const char *buf, size_t len)
 {
@@ -277,7 +321,7 @@
 		chip->cfg->run_engine(chip, start);
 }
 
-static ssize_t lp55xx_store_engine_run(struct device *dev,
+static ssize_t run_engine_store(struct device *dev,
 			     struct device_attribute *attr,
 			     const char *buf, size_t len)
 {
@@ -302,9 +346,8 @@
 	return len;
 }
 
-static DEVICE_ATTR(select_engine, S_IRUGO | S_IWUSR,
-		   lp55xx_show_engine_select, lp55xx_store_engine_select);
-static DEVICE_ATTR(run_engine, S_IWUSR, NULL, lp55xx_store_engine_run);
+static DEVICE_ATTR_RW(select_engine);
+static DEVICE_ATTR_WO(run_engine);
 
 static struct attribute *lp55xx_engine_attributes[] = {
 	&dev_attr_select_engine.attr,
@@ -395,18 +438,11 @@
 	if (!pdata || !cfg)
 		return -EINVAL;
 
-	if (gpio_is_valid(pdata->enable_gpio)) {
-		ret = devm_gpio_request_one(dev, pdata->enable_gpio,
-					    GPIOF_DIR_OUT, "lp5523_enable");
-		if (ret < 0) {
-			dev_err(dev, "could not acquire enable gpio (err=%d)\n",
-				ret);
-			goto err;
-		}
-
-		gpio_set_value(pdata->enable_gpio, 0);
+	if (pdata->enable_gpiod) {
+		gpiod_set_consumer_name(pdata->enable_gpiod, "LP55xx enable");
+		gpiod_set_value(pdata->enable_gpiod, 0);
 		usleep_range(1000, 2000); /* Keep enable down at least 1ms */
-		gpio_set_value(pdata->enable_gpio, 1);
+		gpiod_set_value(pdata->enable_gpiod, 1);
 		usleep_range(1000, 2000); /* 500us abs min. */
 	}
 
@@ -447,8 +483,8 @@
 	if (chip->clk)
 		clk_disable_unprepare(chip->clk);
 
-	if (gpio_is_valid(pdata->enable_gpio))
-		gpio_set_value(pdata->enable_gpio, 0);
+	if (pdata->enable_gpiod)
+		gpiod_set_value(pdata->enable_gpiod, 0);
 }
 EXPORT_SYMBOL_GPL(lp55xx_deinit_device);
 
@@ -490,23 +526,10 @@
 	return 0;
 
 err_init_led:
-	lp55xx_unregister_leds(led, chip);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(lp55xx_register_leds);
 
-void lp55xx_unregister_leds(struct lp55xx_led *led, struct lp55xx_chip *chip)
-{
-	int i;
-	struct lp55xx_led *each;
-
-	for (i = 0; i < chip->num_leds; i++) {
-		each = led + i;
-		led_classdev_unregister(&each->cdev);
-	}
-}
-EXPORT_SYMBOL_GPL(lp55xx_unregister_leds);
-
 int lp55xx_register_sysfs(struct lp55xx_chip *chip)
 {
 	struct device *dev = &chip->cl->dev;
@@ -538,20 +561,113 @@
 }
 EXPORT_SYMBOL_GPL(lp55xx_unregister_sysfs);
 
+static int lp55xx_parse_common_child(struct device_node *np,
+				     struct lp55xx_led_config *cfg,
+				     int led_number, int *chan_nr)
+{
+	int ret;
+
+	of_property_read_string(np, "chan-name",
+				&cfg[led_number].name);
+	of_property_read_u8(np, "led-cur",
+			    &cfg[led_number].led_current);
+	of_property_read_u8(np, "max-cur",
+			    &cfg[led_number].max_current);
+
+	ret = of_property_read_u32(np, "reg", chan_nr);
+	if (ret)
+		return ret;
+
+	if (*chan_nr < 0 || *chan_nr > cfg->max_channel)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int lp55xx_parse_multi_led_child(struct device_node *child,
+					 struct lp55xx_led_config *cfg,
+					 int child_number, int color_number)
+{
+	int chan_nr, color_id, ret;
+
+	ret = lp55xx_parse_common_child(child, cfg, child_number, &chan_nr);
+	if (ret)
+		return ret;
+
+	ret = of_property_read_u32(child, "color", &color_id);
+	if (ret)
+		return ret;
+
+	cfg[child_number].color_id[color_number] = color_id;
+	cfg[child_number].output_num[color_number] = chan_nr;
+
+	return 0;
+}
+
+static int lp55xx_parse_multi_led(struct device_node *np,
+				  struct lp55xx_led_config *cfg,
+				  int child_number)
+{
+	struct device_node *child;
+	int num_colors = 0, ret;
+
+	for_each_available_child_of_node(np, child) {
+		ret = lp55xx_parse_multi_led_child(child, cfg, child_number,
+						   num_colors);
+		if (ret) {
+			of_node_put(child);
+			return ret;
+		}
+		num_colors++;
+	}
+
+	cfg[child_number].num_colors = num_colors;
+
+	return 0;
+}
+
+static int lp55xx_parse_logical_led(struct device_node *np,
+				   struct lp55xx_led_config *cfg,
+				   int child_number)
+{
+	int led_color, ret;
+	int chan_nr = 0;
+
+	cfg[child_number].default_trigger =
+		of_get_property(np, "linux,default-trigger", NULL);
+
+	ret = of_property_read_u32(np, "color", &led_color);
+	if (ret)
+		return ret;
+
+	if (led_color == LED_COLOR_ID_RGB)
+		return lp55xx_parse_multi_led(np, cfg, child_number);
+
+	ret =  lp55xx_parse_common_child(np, cfg, child_number, &chan_nr);
+	if (ret < 0)
+		return ret;
+
+	cfg[child_number].chan_nr = chan_nr;
+
+	return ret;
+}
+
 struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev,
-						      struct device_node *np)
+						      struct device_node *np,
+						      struct lp55xx_chip *chip)
 {
 	struct device_node *child;
 	struct lp55xx_platform_data *pdata;
 	struct lp55xx_led_config *cfg;
 	int num_channels;
 	int i = 0;
+	int ret;
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	num_channels = of_get_child_count(np);
+	num_channels = of_get_available_child_count(np);
 	if (num_channels == 0) {
 		dev_err(dev, "no LED channels\n");
 		return ERR_PTR(-EINVAL);
@@ -563,23 +679,24 @@
 
 	pdata->led_config = &cfg[0];
 	pdata->num_channels = num_channels;
+	cfg->max_channel = chip->cfg->max_channel;
 
-	for_each_child_of_node(np, child) {
-		cfg[i].chan_nr = i;
-
-		of_property_read_string(child, "chan-name", &cfg[i].name);
-		of_property_read_u8(child, "led-cur", &cfg[i].led_current);
-		of_property_read_u8(child, "max-cur", &cfg[i].max_current);
-		cfg[i].default_trigger =
-			of_get_property(child, "linux,default-trigger", NULL);
-
+	for_each_available_child_of_node(np, child) {
+		ret = lp55xx_parse_logical_led(child, cfg, i);
+		if (ret) {
+			of_node_put(child);
+			return ERR_PTR(-EINVAL);
+		}
 		i++;
 	}
 
 	of_property_read_string(np, "label", &pdata->label);
 	of_property_read_u8(np, "clock-mode", &pdata->clock_mode);
 
-	pdata->enable_gpio = of_get_named_gpio(np, "enable-gpio", 0);
+	pdata->enable_gpiod = devm_gpiod_get_optional(dev, "enable",
+						      GPIOD_ASIS);
+	if (IS_ERR(pdata->enable_gpiod))
+		return ERR_CAST(pdata->enable_gpiod);
 
 	/* LP8501 specific */
 	of_property_read_u8(np, "pwr-sel", (u8 *)&pdata->pwr_sel);
diff --git a/drivers/leds/leds-lp55xx-common.h b/drivers/leds/leds-lp55xx-common.h
index 783ed51..2f38c5b 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -12,6 +12,8 @@
 #ifndef _LEDS_LP55XX_COMMON_H
 #define _LEDS_LP55XX_COMMON_H
 
+#include <linux/led-class-multicolor.h>
+
 enum lp55xx_engine_index {
 	LP55XX_ENGINE_INVALID,
 	LP55XX_ENGINE_1,
@@ -93,6 +95,7 @@
  * @max_channel        : Maximum number of channels
  * @post_init_device   : Chip specific initialization code
  * @brightness_fn      : Brightness function
+ * @multicolor_brightness_fn : Multicolor brightness function
  * @set_led_current    : LED current set function
  * @firmware_cb        : Call function when the firmware is loaded
  * @run_engine         : Run internal engine for pattern
@@ -106,9 +109,12 @@
 	/* define if the device has specific initialization process */
 	int (*post_init_device) (struct lp55xx_chip *chip);
 
-	/* access brightness register */
+	/* set LED brightness */
 	int (*brightness_fn)(struct lp55xx_led *led);
 
+	/* set multicolor LED brightness */
+	int (*multicolor_brightness_fn)(struct lp55xx_led *led);
+
 	/* current setting function */
 	void (*set_led_current) (struct lp55xx_led *led, u8 led_current);
 
@@ -159,6 +165,8 @@
  * struct lp55xx_led
  * @chan_nr         : Channel number
  * @cdev            : LED class device
+ * @mc_cdev         : Multi color class device
+ * @color_components: Multi color LED map information
  * @led_current     : Current setting at each led channel
  * @max_current     : Maximun current at each led channel
  * @brightness      : Brightness value
@@ -167,6 +175,7 @@
 struct lp55xx_led {
 	int chan_nr;
 	struct led_classdev cdev;
+	struct led_classdev_mc mc_cdev;
 	u8 led_current;
 	u8 max_current;
 	u8 brightness;
@@ -189,8 +198,6 @@
 /* common LED class device functions */
 extern int lp55xx_register_leds(struct lp55xx_led *led,
 				struct lp55xx_chip *chip);
-extern void lp55xx_unregister_leds(struct lp55xx_led *led,
-				struct lp55xx_chip *chip);
 
 /* common device attributes functions */
 extern int lp55xx_register_sysfs(struct lp55xx_chip *chip);
@@ -198,6 +205,7 @@
 
 /* common device tree population function */
 extern struct lp55xx_platform_data
-*lp55xx_of_populate_pdata(struct device *dev, struct device_node *np);
+*lp55xx_of_populate_pdata(struct device *dev, struct device_node *np,
+			  struct lp55xx_chip *chip);
 
 #endif /* _LEDS_LP55XX_COMMON_H */
diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c
index 2638dbf..2d2fda2 100644
--- a/drivers/leds/leds-lp8501.c
+++ b/drivers/leds/leds-lp8501.c
@@ -306,11 +306,18 @@
 	struct lp55xx_chip *chip;
 	struct lp55xx_led *led;
 	struct lp55xx_platform_data *pdata = dev_get_platdata(&client->dev);
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
+
+	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->cfg = &lp8501_cfg;
 
 	if (!pdata) {
 		if (np) {
-			pdata = lp55xx_of_populate_pdata(&client->dev, np);
+			pdata = lp55xx_of_populate_pdata(&client->dev, np,
+							 chip);
 			if (IS_ERR(pdata))
 				return PTR_ERR(pdata);
 		} else {
@@ -319,10 +326,6 @@
 		}
 	}
 
-	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
-
 	led = devm_kcalloc(&client->dev,
 			pdata->num_channels, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -330,7 +333,6 @@
 
 	chip->cl = client;
 	chip->pdata = pdata;
-	chip->cfg = &lp8501_cfg;
 
 	mutex_init(&chip->lock);
 
@@ -344,19 +346,17 @@
 
 	ret = lp55xx_register_leds(led, chip);
 	if (ret)
-		goto err_register_leds;
+		goto err_out;
 
 	ret = lp55xx_register_sysfs(chip);
 	if (ret) {
 		dev_err(&client->dev, "registering sysfs failed\n");
-		goto err_register_sysfs;
+		goto err_out;
 	}
 
 	return 0;
 
-err_register_sysfs:
-	lp55xx_unregister_leds(led, chip);
-err_register_leds:
+err_out:
 	lp55xx_deinit_device(chip);
 err_init:
 	return ret;
@@ -369,7 +369,6 @@
 
 	lp8501_stop_engine(chip);
 	lp55xx_unregister_sysfs(chip);
-	lp55xx_unregister_leds(led, chip);
 	lp55xx_deinit_device(chip);
 
 	return 0;
diff --git a/drivers/leds/leds-lp8860.c b/drivers/leds/leds-lp8860.c
index ac2f5d6..f0533a3 100644
--- a/drivers/leds/leds-lp8860.c
+++ b/drivers/leds/leds-lp8860.c
@@ -380,7 +380,7 @@
 {
 	int ret;
 	struct lp8860_led *led;
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
 	struct device_node *child_node;
 	struct led_init_data init_data = {};
 
@@ -392,10 +392,6 @@
 	if (!child_node)
 		return -EINVAL;
 
-	led->led_dev.default_trigger = of_get_property(child_node,
-					    "linux,default-trigger",
-					    NULL);
-
 	led->enable_gpio = devm_gpiod_get_optional(&client->dev,
 						   "enable", GPIOD_OUT_LOW);
 	if (IS_ERR(led->enable_gpio)) {
diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index 03ae330..7dab087 100644
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -5,7 +5,6 @@
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
@@ -69,7 +68,7 @@
 	struct led_init_data init_data = {};
 	const char *tmp;
 
-	if (!dev->of_node)
+	if (!dev_of_node(dev))
 		return -ENODEV;
 
 	led_data = devm_kzalloc(dev, sizeof(*led_data), GFP_KERNEL);
@@ -87,9 +86,6 @@
 
 	child = device_get_next_child_node(dev, NULL);
 
-	fwnode_property_read_string(child, "linux,default-trigger",
-				    &led_data->cdev.default_trigger);
-
 	if (!fwnode_property_read_string(child, "default-state", &tmp)) {
 		if (!strcmp(tmp, "on"))
 			state = LEDS_GPIO_DEFSTATE_ON;
@@ -107,7 +103,6 @@
 	if (ret < 0)
 		return ret;
 
-	led_data->cdev.dev->of_node = dev->of_node;
 	platform_set_drvdata(pdev, led_data);
 
 	return 0;
diff --git a/drivers/leds/leds-max77650.c b/drivers/leds/leds-max77650.c
index a0d4b72..1eeac56 100644
--- a/drivers/leds/leds-max77650.c
+++ b/drivers/leds/leds-max77650.c
@@ -66,7 +66,6 @@
 	struct max77650_led *leds, *led;
 	struct device *dev;
 	struct regmap *map;
-	const char *label;
 	int rv, num_leds;
 	u32 reg;
 
@@ -86,6 +85,8 @@
 		return -ENODEV;
 
 	device_for_each_child_node(dev, child) {
+		struct led_init_data init_data = {};
+
 		rv = fwnode_property_read_u32(child, "reg", &reg);
 		if (rv || reg >= MAX77650_LED_NUM_LEDS) {
 			rv = -EINVAL;
@@ -99,22 +100,13 @@
 		led->cdev.brightness_set_blocking = max77650_led_brightness_set;
 		led->cdev.max_brightness = MAX77650_LED_MAX_BRIGHTNESS;
 
-		rv = fwnode_property_read_string(child, "label", &label);
-		if (rv) {
-			led->cdev.name = "max77650::";
-		} else {
-			led->cdev.name = devm_kasprintf(dev, GFP_KERNEL,
-							"max77650:%s", label);
-			if (!led->cdev.name) {
-				rv = -ENOMEM;
-				goto err_node_put;
-			}
-		}
+		init_data.fwnode = child;
+		init_data.devicename = "max77650";
+		/* for backwards compatibility if `label` is not present */
+		init_data.default_label = ":";
 
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led->cdev.default_trigger);
-
-		rv = devm_led_classdev_register(dev, &led->cdev);
+		rv = devm_led_classdev_register_ext(dev, &led->cdev,
+						    &init_data);
 		if (rv)
 			goto err_node_put;
 
diff --git a/drivers/leds/leds-max77693.c b/drivers/leds/leds-max77693.c
index fec5609..5c1faeb 100644
--- a/drivers/leds/leds-max77693.c
+++ b/drivers/leds/leds-max77693.c
@@ -599,7 +599,7 @@
 {
 	struct device *dev = &led->pdev->dev;
 	struct max77693_sub_led *sub_leds = led->sub_leds;
-	struct device_node *node = dev->of_node, *child_node;
+	struct device_node *node = dev_of_node(dev), *child_node;
 	struct property *prop;
 	u32 led_sources[2];
 	int i, ret, fled_id;
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index 5cd810c..675502c 100644
--- a/drivers/leds/leds-mc13783.c
+++ b/drivers/leds/leds-mc13783.c
@@ -121,7 +121,7 @@
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	parent = of_get_child_by_name(dev->parent->of_node, "leds");
+	parent = of_get_child_by_name(dev_of_node(dev->parent), "leds");
 	if (!parent)
 		goto out_node_put;
 
@@ -131,7 +131,7 @@
 	if (ret)
 		goto out_node_put;
 
-	pdata->num_leds = of_get_child_count(parent);
+	pdata->num_leds = of_get_available_child_count(parent);
 
 	pdata->led = devm_kcalloc(dev, pdata->num_leds, sizeof(*pdata->led),
 				  GFP_KERNEL);
@@ -140,7 +140,7 @@
 		goto out_node_put;
 	}
 
-	for_each_child_of_node(parent, child) {
+	for_each_available_child_of_node(parent, child) {
 		const char *str;
 		u32 tmp;
 
@@ -192,7 +192,7 @@
 	leds->master = mcdev;
 	platform_set_drvdata(pdev, leds);
 
-	if (dev->parent->of_node) {
+	if (dev_of_node(dev->parent)) {
 		pdata = mc13xxx_led_probe_dt(pdev);
 		if (IS_ERR(pdata))
 			return PTR_ERR(pdata);
diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c
index 2a13e31..f59e0e8 100644
--- a/drivers/leds/leds-mt6323.c
+++ b/drivers/leds/leds-mt6323.c
@@ -249,15 +249,6 @@
 	int ret;
 
 	/*
-	 * Units are in ms, if over the hardware able
-	 * to support, fallback into software blink
-	 */
-	period = *delay_on + *delay_off;
-
-	if (period > MT6323_MAX_PERIOD)
-		return -EINVAL;
-
-	/*
 	 * LED subsystem requires a default user
 	 * friendly blink pattern for the LED so using
 	 * 1Hz duty cycle 50% here if without specific
@@ -269,6 +260,15 @@
 	}
 
 	/*
+	 * Units are in ms, if over the hardware able
+	 * to support, fallback into software blink
+	 */
+	period = *delay_on + *delay_off;
+
+	if (period > MT6323_MAX_PERIOD)
+		return -EINVAL;
+
+	/*
 	 * Calculate duty_hw based on the percentage of period during
 	 * which the led is ON.
 	 */
@@ -342,11 +342,6 @@
 	const char *state;
 	int ret = 0;
 
-	led->cdev.name = of_get_property(np, "label", NULL) ? : np->name;
-	led->cdev.default_trigger = of_get_property(np,
-						    "linux,default-trigger",
-						    NULL);
-
 	state = of_get_property(np, "default-state", NULL);
 	if (state) {
 		if (!strcmp(state, "keep")) {
@@ -369,9 +364,9 @@
 static int mt6323_led_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *np = dev_of_node(dev);
 	struct device_node *child;
-	struct mt6397_chip *hw = dev_get_drvdata(pdev->dev.parent);
+	struct mt6397_chip *hw = dev_get_drvdata(dev->parent);
 	struct mt6323_leds *leds;
 	struct mt6323_led *led;
 	int ret;
@@ -402,6 +397,8 @@
 	}
 
 	for_each_available_child_of_node(np, child) {
+		struct led_init_data init_data = {};
+
 		ret = of_property_read_u32(child, "reg", &reg);
 		if (ret) {
 			dev_err(dev, "Failed to read led 'reg' property\n");
@@ -437,13 +434,14 @@
 			goto put_child_node;
 		}
 
-		ret = devm_led_classdev_register(dev, &leds->led[reg]->cdev);
+		init_data.fwnode = of_fwnode_handle(child);
+
+		ret = devm_led_classdev_register_ext(dev, &leds->led[reg]->cdev,
+						     &init_data);
 		if (ret) {
-			dev_err(&pdev->dev, "Failed to register LED: %d\n",
-				ret);
+			dev_err(dev, "Failed to register LED: %d\n", ret);
 			goto put_child_node;
 		}
-		leds->led[reg]->cdev.dev->of_node = child;
 	}
 
 	return 0;
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
index 14ef4cc..68fbf0b 100644
--- a/drivers/leds/leds-netxbig.c
+++ b/drivers/leds/leds-netxbig.c
@@ -12,16 +12,17 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/leds.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 
 struct netxbig_gpio_ext {
-	unsigned int	*addr;
+	struct gpio_desc **addr;
 	int		num_addr;
-	unsigned int	*data;
+	struct gpio_desc **data;
 	int		num_data;
-	unsigned int	enable;
+	struct gpio_desc *enable;
 };
 
 enum netxbig_led_mode {
@@ -69,7 +70,7 @@
 	int pin;
 
 	for (pin = 0; pin < gpio_ext->num_addr; pin++)
-		gpio_set_value(gpio_ext->addr[pin], (addr >> pin) & 1);
+		gpiod_set_value(gpio_ext->addr[pin], (addr >> pin) & 1);
 }
 
 static void gpio_ext_set_data(struct netxbig_gpio_ext *gpio_ext, int data)
@@ -77,14 +78,14 @@
 	int pin;
 
 	for (pin = 0; pin < gpio_ext->num_data; pin++)
-		gpio_set_value(gpio_ext->data[pin], (data >> pin) & 1);
+		gpiod_set_value(gpio_ext->data[pin], (data >> pin) & 1);
 }
 
 static void gpio_ext_enable_select(struct netxbig_gpio_ext *gpio_ext)
 {
 	/* Enable select is done on the raising edge. */
-	gpio_set_value(gpio_ext->enable, 0);
-	gpio_set_value(gpio_ext->enable, 1);
+	gpiod_set_value(gpio_ext->enable, 0);
+	gpiod_set_value(gpio_ext->enable, 1);
 }
 
 static void gpio_ext_set_value(struct netxbig_gpio_ext *gpio_ext,
@@ -99,41 +100,6 @@
 	spin_unlock_irqrestore(&gpio_ext_lock, flags);
 }
 
-static int gpio_ext_init(struct platform_device *pdev,
-			 struct netxbig_gpio_ext *gpio_ext)
-{
-	int err;
-	int i;
-
-	if (unlikely(!gpio_ext))
-		return -EINVAL;
-
-	/* Configure address GPIOs. */
-	for (i = 0; i < gpio_ext->num_addr; i++) {
-		err = devm_gpio_request_one(&pdev->dev, gpio_ext->addr[i],
-					    GPIOF_OUT_INIT_LOW,
-					    "GPIO extension addr");
-		if (err)
-			return err;
-	}
-	/* Configure data GPIOs. */
-	for (i = 0; i < gpio_ext->num_data; i++) {
-		err = devm_gpio_request_one(&pdev->dev, gpio_ext->data[i],
-					    GPIOF_OUT_INIT_LOW,
-					    "GPIO extension data");
-		if (err)
-			return err;
-	}
-	/* Configure "enable select" GPIO. */
-	err = devm_gpio_request_one(&pdev->dev, gpio_ext->enable,
-				    GPIOF_OUT_INIT_LOW,
-				    "GPIO extension enable");
-	if (err)
-		return err;
-
-	return 0;
-}
-
 /*
  * Class LED driver.
  */
@@ -347,15 +313,47 @@
 	return devm_led_classdev_register(&pdev->dev, &led_dat->cdev);
 }
 
-static int gpio_ext_get_of_pdata(struct device *dev, struct device_node *np,
-				 struct netxbig_gpio_ext *gpio_ext)
+/**
+ * netxbig_gpio_ext_remove() - Clean up GPIO extension data
+ * @data: managed resource data to clean up
+ *
+ * Since we pick GPIO descriptors from another device than the device our
+ * driver is probing to, we need to register a specific callback to free
+ * these up using managed resources.
+ */
+static void netxbig_gpio_ext_remove(void *data)
 {
-	int *addr, *data;
+	struct netxbig_gpio_ext *gpio_ext = data;
+	int i;
+
+	for (i = 0; i < gpio_ext->num_addr; i++)
+		gpiod_put(gpio_ext->addr[i]);
+	for (i = 0; i < gpio_ext->num_data; i++)
+		gpiod_put(gpio_ext->data[i]);
+	gpiod_put(gpio_ext->enable);
+}
+
+/**
+ * netxbig_gpio_ext_get() - Obtain GPIO extension device data
+ * @dev: main LED device
+ * @gpio_ext_dev: the GPIO extension device
+ * @gpio_ext: the data structure holding the GPIO extension data
+ *
+ * This function walks the subdevice that only contain GPIO line
+ * handles in the device tree and obtains the GPIO descriptors from that
+ * device.
+ */
+static int netxbig_gpio_ext_get(struct device *dev,
+				struct device *gpio_ext_dev,
+				struct netxbig_gpio_ext *gpio_ext)
+{
+	struct gpio_desc **addr, **data;
 	int num_addr, num_data;
+	struct gpio_desc *gpiod;
 	int ret;
 	int i;
 
-	ret = of_gpio_named_count(np, "addr-gpios");
+	ret = gpiod_count(gpio_ext_dev, "addr");
 	if (ret < 0) {
 		dev_err(dev,
 			"Failed to count GPIOs in DT property addr-gpios\n");
@@ -366,16 +364,25 @@
 	if (!addr)
 		return -ENOMEM;
 
+	/*
+	 * We cannot use devm_ managed resources with these GPIO descriptors
+	 * since they are associated with the "GPIO extension device" which
+	 * does not probe any driver. The device tree parser will however
+	 * populate a platform device for it so we can anyway obtain the
+	 * GPIO descriptors from the device.
+	 */
 	for (i = 0; i < num_addr; i++) {
-		ret = of_get_named_gpio(np, "addr-gpios", i);
-		if (ret < 0)
-			return ret;
-		addr[i] = ret;
+		gpiod = gpiod_get_index(gpio_ext_dev, "addr", i,
+					GPIOD_OUT_LOW);
+		if (IS_ERR(gpiod))
+			return PTR_ERR(gpiod);
+		gpiod_set_consumer_name(gpiod, "GPIO extension addr");
+		addr[i] = gpiod;
 	}
 	gpio_ext->addr = addr;
 	gpio_ext->num_addr = num_addr;
 
-	ret = of_gpio_named_count(np, "data-gpios");
+	ret = gpiod_count(gpio_ext_dev, "data");
 	if (ret < 0) {
 		dev_err(dev,
 			"Failed to count GPIOs in DT property data-gpios\n");
@@ -387,30 +394,35 @@
 		return -ENOMEM;
 
 	for (i = 0; i < num_data; i++) {
-		ret = of_get_named_gpio(np, "data-gpios", i);
-		if (ret < 0)
-			return ret;
-		data[i] = ret;
+		gpiod = gpiod_get_index(gpio_ext_dev, "data", i,
+					GPIOD_OUT_LOW);
+		if (IS_ERR(gpiod))
+			return PTR_ERR(gpiod);
+		gpiod_set_consumer_name(gpiod, "GPIO extension data");
+		data[i] = gpiod;
 	}
 	gpio_ext->data = data;
 	gpio_ext->num_data = num_data;
 
-	ret = of_get_named_gpio(np, "enable-gpio", 0);
-	if (ret < 0) {
+	gpiod = gpiod_get(gpio_ext_dev, "enable", GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod)) {
 		dev_err(dev,
 			"Failed to get GPIO from DT property enable-gpio\n");
-		return ret;
+		return PTR_ERR(gpiod);
 	}
-	gpio_ext->enable = ret;
+	gpiod_set_consumer_name(gpiod, "GPIO extension enable");
+	gpio_ext->enable = gpiod;
 
-	return 0;
+	return devm_add_action_or_reset(dev, netxbig_gpio_ext_remove, gpio_ext);
 }
 
 static int netxbig_leds_get_of_pdata(struct device *dev,
 				     struct netxbig_led_platform_data *pdata)
 {
-	struct device_node *np = dev->of_node;
+	struct device_node *np = dev_of_node(dev);
 	struct device_node *gpio_ext_np;
+	struct platform_device *gpio_ext_pdev;
+	struct device *gpio_ext_dev;
 	struct device_node *child;
 	struct netxbig_gpio_ext *gpio_ext;
 	struct netxbig_led_timer *timers;
@@ -426,35 +438,49 @@
 		dev_err(dev, "Failed to get DT handle gpio-ext\n");
 		return -EINVAL;
 	}
+	gpio_ext_pdev = of_find_device_by_node(gpio_ext_np);
+	if (!gpio_ext_pdev) {
+		dev_err(dev, "Failed to find platform device for gpio-ext\n");
+		return -ENODEV;
+	}
+	gpio_ext_dev = &gpio_ext_pdev->dev;
 
 	gpio_ext = devm_kzalloc(dev, sizeof(*gpio_ext), GFP_KERNEL);
 	if (!gpio_ext) {
 		of_node_put(gpio_ext_np);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto put_device;
 	}
-	ret = gpio_ext_get_of_pdata(dev, gpio_ext_np, gpio_ext);
+	ret = netxbig_gpio_ext_get(dev, gpio_ext_dev, gpio_ext);
 	of_node_put(gpio_ext_np);
 	if (ret)
-		return ret;
+		goto put_device;
 	pdata->gpio_ext = gpio_ext;
 
 	/* Timers (optional) */
 	ret = of_property_count_u32_elems(np, "timers");
 	if (ret > 0) {
-		if (ret % 3)
-			return -EINVAL;
+		if (ret % 3) {
+			ret = -EINVAL;
+			goto put_device;
+		}
+
 		num_timers = ret / 3;
 		timers = devm_kcalloc(dev, num_timers, sizeof(*timers),
 				      GFP_KERNEL);
-		if (!timers)
-			return -ENOMEM;
+		if (!timers) {
+			ret = -ENOMEM;
+			goto put_device;
+		}
 		for (i = 0; i < num_timers; i++) {
 			u32 tmp;
 
 			of_property_read_u32_index(np, "timers", 3 * i,
 						   &timers[i].mode);
-			if (timers[i].mode >= NETXBIG_LED_MODE_NUM)
-				return -EINVAL;
+			if (timers[i].mode >= NETXBIG_LED_MODE_NUM) {
+				ret = -EINVAL;
+				goto put_device;
+			}
 			of_property_read_u32_index(np, "timers",
 						   3 * i + 1, &tmp);
 			timers[i].delay_on = tmp;
@@ -467,18 +493,21 @@
 	}
 
 	/* LEDs */
-	num_leds = of_get_child_count(np);
+	num_leds = of_get_available_child_count(np);
 	if (!num_leds) {
 		dev_err(dev, "No LED subnodes found in DT\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put_device;
 	}
 
 	leds = devm_kcalloc(dev, num_leds, sizeof(*leds), GFP_KERNEL);
-	if (!leds)
-		return -ENOMEM;
+	if (!leds) {
+		ret = -ENOMEM;
+		goto put_device;
+	}
 
 	led = leds;
-	for_each_child_of_node(np, child) {
+	for_each_available_child_of_node(np, child) {
 		const char *string;
 		int *mode_val;
 		int num_modes;
@@ -556,6 +585,8 @@
 
 err_node_put:
 	of_node_put(child);
+put_device:
+	put_device(gpio_ext_dev);
 	return ret;
 }
 
@@ -585,10 +616,6 @@
 	if (!leds_data)
 		return -ENOMEM;
 
-	ret = gpio_ext_init(pdev, pdata->gpio_ext);
-	if (ret < 0)
-		return ret;
-
 	for (i = 0; i < pdata->num_leds; i++) {
 		ret = create_netxbig_led(pdev, pdata,
 					 &leds_data[i], &pdata->leds[i]);
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 7c500df..1677d66 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -12,14 +12,29 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/leds.h>
 #include <linux/module.h>
-#include <linux/platform_data/leds-kirkwood-ns2.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include "leds.h"
 
+enum ns2_led_modes {
+	NS_V2_LED_OFF,
+	NS_V2_LED_ON,
+	NS_V2_LED_SATA,
+};
+
+/*
+ * If the size of this structure or types of its members is changed,
+ * the filling of array modval in function ns2_led_register must be changed
+ * accordingly.
+ */
+struct ns2_led_modval {
+	u32			mode;
+	u32			cmd_level;
+	u32			slow_level;
+} __packed;
+
 /*
  * The Network Space v2 dual-GPIO LED is wired to a CPLD. Three different LED
  * modes are available: off, on and SATA activity blinking. The LED modes are
@@ -27,10 +42,10 @@
  * for the command/slow GPIOs corresponds to a LED mode.
  */
 
-struct ns2_led_data {
+struct ns2_led {
 	struct led_classdev	cdev;
-	unsigned int		cmd;
-	unsigned int		slow;
+	struct gpio_desc	*cmd;
+	struct gpio_desc	*slow;
 	bool			can_sleep;
 	unsigned char		sata; /* True when SATA mode active. */
 	rwlock_t		rw_lock; /* Lock GPIOs. */
@@ -38,77 +53,67 @@
 	struct ns2_led_modval	*modval;
 };
 
-static int ns2_led_get_mode(struct ns2_led_data *led_dat,
-			    enum ns2_led_modes *mode)
+static int ns2_led_get_mode(struct ns2_led *led, enum ns2_led_modes *mode)
 {
 	int i;
-	int ret = -EINVAL;
 	int cmd_level;
 	int slow_level;
 
-	cmd_level = gpio_get_value_cansleep(led_dat->cmd);
-	slow_level = gpio_get_value_cansleep(led_dat->slow);
+	cmd_level = gpiod_get_value_cansleep(led->cmd);
+	slow_level = gpiod_get_value_cansleep(led->slow);
 
-	for (i = 0; i < led_dat->num_modes; i++) {
-		if (cmd_level == led_dat->modval[i].cmd_level &&
-		    slow_level == led_dat->modval[i].slow_level) {
-			*mode = led_dat->modval[i].mode;
-			ret = 0;
-			break;
+	for (i = 0; i < led->num_modes; i++) {
+		if (cmd_level == led->modval[i].cmd_level &&
+		    slow_level == led->modval[i].slow_level) {
+			*mode = led->modval[i].mode;
+			return 0;
 		}
 	}
 
-	return ret;
+	return -EINVAL;
 }
 
-static void ns2_led_set_mode(struct ns2_led_data *led_dat,
-			     enum ns2_led_modes mode)
+static void ns2_led_set_mode(struct ns2_led *led, enum ns2_led_modes mode)
 {
 	int i;
-	bool found = false;
 	unsigned long flags;
 
-	for (i = 0; i < led_dat->num_modes; i++)
-		if (mode == led_dat->modval[i].mode) {
-			found = true;
+	for (i = 0; i < led->num_modes; i++)
+		if (mode == led->modval[i].mode)
 			break;
-		}
 
-	if (!found)
+	if (i == led->num_modes)
 		return;
 
-	write_lock_irqsave(&led_dat->rw_lock, flags);
+	write_lock_irqsave(&led->rw_lock, flags);
 
-	if (!led_dat->can_sleep) {
-		gpio_set_value(led_dat->cmd,
-			       led_dat->modval[i].cmd_level);
-		gpio_set_value(led_dat->slow,
-			       led_dat->modval[i].slow_level);
+	if (!led->can_sleep) {
+		gpiod_set_value(led->cmd, led->modval[i].cmd_level);
+		gpiod_set_value(led->slow, led->modval[i].slow_level);
 		goto exit_unlock;
 	}
 
-	gpio_set_value_cansleep(led_dat->cmd, led_dat->modval[i].cmd_level);
-	gpio_set_value_cansleep(led_dat->slow, led_dat->modval[i].slow_level);
+	gpiod_set_value_cansleep(led->cmd, led->modval[i].cmd_level);
+	gpiod_set_value_cansleep(led->slow, led->modval[i].slow_level);
 
 exit_unlock:
-	write_unlock_irqrestore(&led_dat->rw_lock, flags);
+	write_unlock_irqrestore(&led->rw_lock, flags);
 }
 
 static void ns2_led_set(struct led_classdev *led_cdev,
 			enum led_brightness value)
 {
-	struct ns2_led_data *led_dat =
-		container_of(led_cdev, struct ns2_led_data, cdev);
+	struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
 	enum ns2_led_modes mode;
 
 	if (value == LED_OFF)
 		mode = NS_V2_LED_OFF;
-	else if (led_dat->sata)
+	else if (led->sata)
 		mode = NS_V2_LED_SATA;
 	else
 		mode = NS_V2_LED_ON;
 
-	ns2_led_set_mode(led_dat, mode);
+	ns2_led_set_mode(led, mode);
 }
 
 static int ns2_led_set_blocking(struct led_classdev *led_cdev,
@@ -123,8 +128,7 @@
 				  const char *buff, size_t count)
 {
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
-	struct ns2_led_data *led_dat =
-		container_of(led_cdev, struct ns2_led_data, cdev);
+	struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
 	int ret;
 	unsigned long enable;
 
@@ -134,18 +138,18 @@
 
 	enable = !!enable;
 
-	if (led_dat->sata == enable)
+	if (led->sata == enable)
 		goto exit;
 
-	led_dat->sata = enable;
+	led->sata = enable;
 
 	if (!led_get_brightness(led_cdev))
 		goto exit;
 
 	if (enable)
-		ns2_led_set_mode(led_dat, NS_V2_LED_SATA);
+		ns2_led_set_mode(led, NS_V2_LED_SATA);
 	else
-		ns2_led_set_mode(led_dat, NS_V2_LED_ON);
+		ns2_led_set_mode(led, NS_V2_LED_ON);
 
 exit:
 	return count;
@@ -155,10 +159,9 @@
 				 struct device_attribute *attr, char *buf)
 {
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
-	struct ns2_led_data *led_dat =
-		container_of(led_cdev, struct ns2_led_data, cdev);
+	struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
 
-	return sprintf(buf, "%d\n", led_dat->sata);
+	return sprintf(buf, "%d\n", led->sata);
 }
 
 static DEVICE_ATTR(sata, 0644, ns2_led_sata_show, ns2_led_sata_store);
@@ -169,158 +172,94 @@
 };
 ATTRIBUTE_GROUPS(ns2_led);
 
-static int
-create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
-	       const struct ns2_led *template)
+static int ns2_led_register(struct device *dev, struct fwnode_handle *node,
+			    struct ns2_led *led)
 {
-	int ret;
+	struct led_init_data init_data = {};
+	struct ns2_led_modval *modval;
 	enum ns2_led_modes mode;
+	int nmodes, ret;
 
-	ret = devm_gpio_request_one(&pdev->dev, template->cmd,
-			gpio_get_value_cansleep(template->cmd) ?
-			GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
-			template->name);
-	if (ret) {
-		dev_err(&pdev->dev, "%s: failed to setup command GPIO\n",
-			template->name);
-		return ret;
+	led->cmd = devm_fwnode_gpiod_get_index(dev, node, "cmd", 0, GPIOD_ASIS,
+					       fwnode_get_name(node));
+	if (IS_ERR(led->cmd))
+		return PTR_ERR(led->cmd);
+
+	led->slow = devm_fwnode_gpiod_get_index(dev, node, "slow", 0,
+						GPIOD_ASIS,
+						fwnode_get_name(node));
+	if (IS_ERR(led->slow))
+		return PTR_ERR(led->slow);
+
+	ret = fwnode_property_count_u32(node, "modes-map");
+	if (ret < 0 || ret % 3) {
+		dev_err(dev, "Missing or malformed modes-map for %pfw\n", node);
+		return -EINVAL;
 	}
 
-	ret = devm_gpio_request_one(&pdev->dev, template->slow,
-			gpio_get_value_cansleep(template->slow) ?
-			GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
-			template->name);
-	if (ret) {
-		dev_err(&pdev->dev, "%s: failed to setup slow GPIO\n",
-			template->name);
-		return ret;
-	}
+	nmodes = ret / 3;
+	modval = devm_kcalloc(dev, nmodes, sizeof(*modval), GFP_KERNEL);
+	if (!modval)
+		return -ENOMEM;
 
-	rwlock_init(&led_dat->rw_lock);
+	fwnode_property_read_u32_array(node, "modes-map", (void *)modval,
+				       nmodes * 3);
 
-	led_dat->cdev.name = template->name;
-	led_dat->cdev.default_trigger = template->default_trigger;
-	led_dat->cdev.blink_set = NULL;
-	led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
-	led_dat->cdev.groups = ns2_led_groups;
-	led_dat->cmd = template->cmd;
-	led_dat->slow = template->slow;
-	led_dat->can_sleep = gpio_cansleep(led_dat->cmd) |
-				gpio_cansleep(led_dat->slow);
-	if (led_dat->can_sleep)
-		led_dat->cdev.brightness_set_blocking = ns2_led_set_blocking;
+	rwlock_init(&led->rw_lock);
+
+	led->cdev.blink_set = NULL;
+	led->cdev.flags |= LED_CORE_SUSPENDRESUME;
+	led->cdev.groups = ns2_led_groups;
+	led->can_sleep = gpiod_cansleep(led->cmd) || gpiod_cansleep(led->slow);
+	if (led->can_sleep)
+		led->cdev.brightness_set_blocking = ns2_led_set_blocking;
 	else
-		led_dat->cdev.brightness_set = ns2_led_set;
-	led_dat->modval = template->modval;
-	led_dat->num_modes = template->num_modes;
+		led->cdev.brightness_set = ns2_led_set;
+	led->num_modes = nmodes;
+	led->modval = modval;
 
-	ret = ns2_led_get_mode(led_dat, &mode);
+	ret = ns2_led_get_mode(led, &mode);
 	if (ret < 0)
 		return ret;
 
 	/* Set LED initial state. */
-	led_dat->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
-	led_dat->cdev.brightness =
-		(mode == NS_V2_LED_OFF) ? LED_OFF : LED_FULL;
+	led->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
+	led->cdev.brightness = (mode == NS_V2_LED_OFF) ? LED_OFF : LED_FULL;
 
-	ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
-	if (ret < 0)
-		return ret;
+	init_data.fwnode = node;
 
-	return 0;
+	ret = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
+	if (ret)
+		dev_err(dev, "Failed to register LED for node %pfw\n", node);
+
+	return ret;
 }
 
-static void delete_ns2_led(struct ns2_led_data *led_dat)
+static int ns2_led_probe(struct platform_device *pdev)
 {
-	led_classdev_unregister(&led_dat->cdev);
-}
+	struct device *dev = &pdev->dev;
+	struct fwnode_handle *child;
+	struct ns2_led *leds;
+	int count;
+	int ret;
 
-#ifdef CONFIG_OF_GPIO
-/*
- * Translate OpenFirmware node properties into platform_data.
- */
-static int
-ns2_leds_get_of_pdata(struct device *dev, struct ns2_led_platform_data *pdata)
-{
-	struct device_node *np = dev->of_node;
-	struct device_node *child;
-	struct ns2_led *led, *leds;
-	int ret, num_leds = 0;
-
-	num_leds = of_get_child_count(np);
-	if (!num_leds)
+	count = device_get_child_node_count(dev);
+	if (!count)
 		return -ENODEV;
 
-	leds = devm_kcalloc(dev, num_leds, sizeof(struct ns2_led),
-			    GFP_KERNEL);
+	leds = devm_kzalloc(dev, array_size(sizeof(*leds), count), GFP_KERNEL);
 	if (!leds)
 		return -ENOMEM;
 
-	led = leds;
-	for_each_child_of_node(np, child) {
-		const char *string;
-		int i, num_modes;
-		struct ns2_led_modval *modval;
-
-		ret = of_get_named_gpio(child, "cmd-gpio", 0);
-		if (ret < 0)
-			goto err_node_put;
-		led->cmd = ret;
-		ret = of_get_named_gpio(child, "slow-gpio", 0);
-		if (ret < 0)
-			goto err_node_put;
-		led->slow = ret;
-		ret = of_property_read_string(child, "label", &string);
-		led->name = (ret == 0) ? string : child->name;
-		ret = of_property_read_string(child, "linux,default-trigger",
-					      &string);
-		if (ret == 0)
-			led->default_trigger = string;
-
-		ret = of_property_count_u32_elems(child, "modes-map");
-		if (ret < 0 || ret % 3) {
-			dev_err(dev,
-				"Missing or malformed modes-map property\n");
-			ret = -EINVAL;
-			goto err_node_put;
+	device_for_each_child_node(dev, child) {
+		ret = ns2_led_register(dev, child, leds++);
+		if (ret) {
+			fwnode_handle_put(child);
+			return ret;
 		}
-
-		num_modes = ret / 3;
-		modval = devm_kcalloc(dev,
-				      num_modes,
-				      sizeof(struct ns2_led_modval),
-				      GFP_KERNEL);
-		if (!modval) {
-			ret = -ENOMEM;
-			goto err_node_put;
-		}
-
-		for (i = 0; i < num_modes; i++) {
-			of_property_read_u32_index(child,
-						"modes-map", 3 * i,
-						(u32 *) &modval[i].mode);
-			of_property_read_u32_index(child,
-						"modes-map", 3 * i + 1,
-						(u32 *) &modval[i].cmd_level);
-			of_property_read_u32_index(child,
-						"modes-map", 3 * i + 2,
-						(u32 *) &modval[i].slow_level);
-		}
-
-		led->num_modes = num_modes;
-		led->modval = modval;
-
-		led++;
 	}
 
-	pdata->leds = leds;
-	pdata->num_leds = num_leds;
-
 	return 0;
-
-err_node_put:
-	of_node_put(child);
-	return ret;
 }
 
 static const struct of_device_id of_ns2_leds_match[] = {
@@ -328,83 +267,12 @@
 	{},
 };
 MODULE_DEVICE_TABLE(of, of_ns2_leds_match);
-#endif /* CONFIG_OF_GPIO */
-
-struct ns2_led_priv {
-	int num_leds;
-	struct ns2_led_data leds_data[];
-};
-
-static inline int sizeof_ns2_led_priv(int num_leds)
-{
-	return sizeof(struct ns2_led_priv) +
-		      (sizeof(struct ns2_led_data) * num_leds);
-}
-
-static int ns2_led_probe(struct platform_device *pdev)
-{
-	struct ns2_led_platform_data *pdata = dev_get_platdata(&pdev->dev);
-	struct ns2_led_priv *priv;
-	int i;
-	int ret;
-
-#ifdef CONFIG_OF_GPIO
-	if (!pdata) {
-		pdata = devm_kzalloc(&pdev->dev,
-				     sizeof(struct ns2_led_platform_data),
-				     GFP_KERNEL);
-		if (!pdata)
-			return -ENOMEM;
-
-		ret = ns2_leds_get_of_pdata(&pdev->dev, pdata);
-		if (ret)
-			return ret;
-	}
-#else
-	if (!pdata)
-		return -EINVAL;
-#endif /* CONFIG_OF_GPIO */
-
-	priv = devm_kzalloc(&pdev->dev,
-			    sizeof_ns2_led_priv(pdata->num_leds), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	priv->num_leds = pdata->num_leds;
-
-	for (i = 0; i < priv->num_leds; i++) {
-		ret = create_ns2_led(pdev, &priv->leds_data[i],
-				     &pdata->leds[i]);
-		if (ret < 0) {
-			for (i = i - 1; i >= 0; i--)
-				delete_ns2_led(&priv->leds_data[i]);
-			return ret;
-		}
-	}
-
-	platform_set_drvdata(pdev, priv);
-
-	return 0;
-}
-
-static int ns2_led_remove(struct platform_device *pdev)
-{
-	int i;
-	struct ns2_led_priv *priv;
-
-	priv = platform_get_drvdata(pdev);
-
-	for (i = 0; i < priv->num_leds; i++)
-		delete_ns2_led(&priv->leds_data[i]);
-
-	return 0;
-}
 
 static struct platform_driver ns2_led_driver = {
 	.probe		= ns2_led_probe,
-	.remove		= ns2_led_remove,
 	.driver		= {
 		.name		= "leds-ns2",
-		.of_match_table	= of_match_ptr(of_ns2_leds_match),
+		.of_match_table	= of_ns2_leds_match,
 	},
 };
 
diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index c7c7199..27d0271 100644
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -27,6 +27,8 @@
 #define PCA9532_REG_PWM(m, i)	(PCA9532_REG_OFFSET(m) + 0x2 + (i) * 2)
 #define LED_REG(m, led)		(PCA9532_REG_OFFSET(m) + 0x5 + (led >> 2))
 #define LED_NUM(led)		(led & 0x3)
+#define LED_SHIFT(led)		(LED_NUM(led) * 2)
+#define LED_MASK(led)		(0x3 << LED_SHIFT(led))
 
 #define ldev_to_led(c)       container_of(c, struct pca9532_led, ldev)
 
@@ -162,9 +164,9 @@
 	mutex_lock(&data->update_lock);
 	reg = i2c_smbus_read_byte_data(client, LED_REG(maxleds, led->id));
 	/* zero led bits */
-	reg = reg & ~(0x3<<LED_NUM(led->id)*2);
+	reg = reg & ~LED_MASK(led->id);
 	/* set the new value */
-	reg = reg | (led->state << LED_NUM(led->id)*2);
+	reg = reg | (led->state << LED_SHIFT(led->id));
 	i2c_smbus_write_byte_data(client, LED_REG(maxleds, led->id), reg);
 	mutex_unlock(&data->update_lock);
 }
@@ -260,7 +262,7 @@
 
 	mutex_lock(&data->update_lock);
 	reg = i2c_smbus_read_byte_data(client, LED_REG(maxleds, led->id));
-	ret = reg >> LED_NUM(led->id)/2;
+	ret = (reg & LED_MASK(led->id)) >> LED_SHIFT(led->id);
 	mutex_unlock(&data->update_lock);
 	return ret;
 }
@@ -467,23 +469,23 @@
 {
 	struct pca9532_platform_data *pdata;
 	struct device_node *child;
-	const struct of_device_id *match;
 	int devid, maxleds;
 	int i = 0;
 	const char *state;
 
-	match = of_match_device(of_pca9532_leds_match, dev);
-	if (!match)
-		return ERR_PTR(-ENODEV);
-
-	devid = (int)(uintptr_t)match->data;
+	devid = (int)(uintptr_t)of_device_get_match_data(dev);
 	maxleds = pca9532_chip_info_tbl[devid].num_leds;
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	for_each_child_of_node(np, child) {
+	of_property_read_u8_array(np, "nxp,pwm", &pdata->pwm[0],
+				  ARRAY_SIZE(pdata->pwm));
+	of_property_read_u8_array(np, "nxp,psc", &pdata->psc[0],
+				  ARRAY_SIZE(pdata->psc));
+
+	for_each_available_child_of_node(np, child) {
 		if (of_property_read_string(child, "label",
 					    &pdata->leds[i].name))
 			pdata->leds[i].name = child->name;
@@ -509,11 +511,10 @@
 	const struct i2c_device_id *id)
 {
 	int devid;
-	const struct of_device_id *of_id;
 	struct pca9532_data *data = i2c_get_clientdata(client);
 	struct pca9532_platform_data *pca9532_pdata =
 			dev_get_platdata(&client->dev);
-	struct device_node *np = client->dev.of_node;
+	struct device_node *np = dev_of_node(&client->dev);
 
 	if (!pca9532_pdata) {
 		if (np) {
@@ -525,11 +526,7 @@
 			dev_err(&client->dev, "no platform data\n");
 			return -EINVAL;
 		}
-		of_id = of_match_device(of_pca9532_leds_match,
-				&client->dev);
-		if (unlikely(!of_id))
-			return -EINVAL;
-		devid = (int)(uintptr_t) of_id->data;
+		devid = (int)(uintptr_t)of_device_get_match_data(&client->dev);
 	} else {
 		devid = id->driver_data;
 	}
@@ -555,13 +552,8 @@
 static int pca9532_remove(struct i2c_client *client)
 {
 	struct pca9532_data *data = i2c_get_clientdata(client);
-	int err;
 
-	err = pca9532_destroy_devices(data, data->chip_info->num_leds);
-	if (err)
-		return err;
-
-	return 0;
+	return pca9532_destroy_devices(data, data->chip_info->num_leds);
 }
 
 module_i2c_driver(pca9532_driver);
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 4037c50..7087ca4 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -40,7 +40,7 @@
 #include <linux/ctype.h>
 #include <linux/delay.h>
 #include <linux/err.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/i2c.h>
 #include <linux/leds.h>
 #include <linux/module.h>
@@ -65,6 +65,7 @@
 	pca9550,
 	pca9551,
 	pca9552,
+	ibm_pca9552,
 	pca9553,
 };
 
@@ -90,6 +91,11 @@
 		.slv_addr	= /* 1100xxx */ 0x60,
 		.slv_addr_shift	= 3,
 	},
+	[ibm_pca9552] = {
+		.bits		= 16,
+		.slv_addr	= /* 0110xxx */ 0x30,
+		.slv_addr_shift	= 3,
+	},
 	[pca9553] = {
 		.bits		= 4,
 		.slv_addr	= /* 110001x */ 0x62,
@@ -101,6 +107,7 @@
 	{ "pca9550", pca9550 },
 	{ "pca9551", pca9551 },
 	{ "pca9552", pca9552 },
+	{ "ibm-pca9552", ibm_pca9552 },
 	{ "pca9553", pca9553 },
 	{ }
 };
@@ -412,6 +419,7 @@
 	{ .compatible = "nxp,pca9550", .data = (void *)pca9550 },
 	{ .compatible = "nxp,pca9551", .data = (void *)pca9551 },
 	{ .compatible = "nxp,pca9552", .data = (void *)pca9552 },
+	{ .compatible = "ibm,pca9552", .data = (void *)ibm_pca9552 },
 	{ .compatible = "nxp,pca9553", .data = (void *)pca9553 },
 	{},
 };
diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c
index 66cdc00..00aecd6 100644
--- a/drivers/leds/leds-pca963x.c
+++ b/drivers/leds/leds-pca963x.c
@@ -4,7 +4,7 @@
  * Copyright 2013 Qtechnology/AS
  *
  * Author: Peter Meerwald <p.meerwald@bct-electronic.com>
- * Author: Ricardo Ribalda <ricardo.ribalda@gmail.com>
+ * Author: Ricardo Ribalda <ribalda@kernel.org>
  *
  * Based on leds-pca955x.c
  *
@@ -32,7 +32,6 @@
 #include <linux/property.h>
 #include <linux/slab.h>
 #include <linux/of.h>
-#include <linux/platform_data/leds-pca963x.h>
 
 /* LED select registers determine the source that drives LED outputs */
 #define PCA963X_LED_OFF		0x0	/* LED driver off */
@@ -96,142 +95,148 @@
 };
 MODULE_DEVICE_TABLE(i2c, pca963x_id);
 
-struct pca963x_led;
-
-struct pca963x {
-	struct pca963x_chipdef *chipdef;
-	struct mutex mutex;
-	struct i2c_client *client;
-	struct pca963x_led *leds;
-	unsigned long leds_on;
-};
+struct pca963x;
 
 struct pca963x_led {
 	struct pca963x *chip;
 	struct led_classdev led_cdev;
 	int led_num; /* 0 .. 15 potentially */
-	char name[32];
 	u8 gdc;
 	u8 gfrq;
 };
 
-static int pca963x_brightness(struct pca963x_led *pca963x,
-			       enum led_brightness brightness)
+struct pca963x {
+	struct pca963x_chipdef *chipdef;
+	struct mutex mutex;
+	struct i2c_client *client;
+	unsigned long leds_on;
+	struct pca963x_led leds[];
+};
+
+static int pca963x_brightness(struct pca963x_led *led,
+			      enum led_brightness brightness)
 {
-	u8 ledout_addr = pca963x->chip->chipdef->ledout_base
-		+ (pca963x->led_num / 4);
-	u8 ledout;
-	int shift = 2 * (pca963x->led_num % 4);
-	u8 mask = 0x3 << shift;
+	struct i2c_client *client = led->chip->client;
+	struct pca963x_chipdef *chipdef = led->chip->chipdef;
+	u8 ledout_addr, ledout, mask, val;
+	int shift;
 	int ret;
 
-	ledout = i2c_smbus_read_byte_data(pca963x->chip->client, ledout_addr);
+	ledout_addr = chipdef->ledout_base + (led->led_num / 4);
+	shift = 2 * (led->led_num % 4);
+	mask = 0x3 << shift;
+	ledout = i2c_smbus_read_byte_data(client, ledout_addr);
+
 	switch (brightness) {
 	case LED_FULL:
-		ret = i2c_smbus_write_byte_data(pca963x->chip->client,
-			ledout_addr,
-			(ledout & ~mask) | (PCA963X_LED_ON << shift));
+		val = (ledout & ~mask) | (PCA963X_LED_ON << shift);
+		ret = i2c_smbus_write_byte_data(client, ledout_addr, val);
 		break;
 	case LED_OFF:
-		ret = i2c_smbus_write_byte_data(pca963x->chip->client,
-			ledout_addr, ledout & ~mask);
+		val = ledout & ~mask;
+		ret = i2c_smbus_write_byte_data(client, ledout_addr, val);
 		break;
 	default:
-		ret = i2c_smbus_write_byte_data(pca963x->chip->client,
-			PCA963X_PWM_BASE + pca963x->led_num,
-			brightness);
+		ret = i2c_smbus_write_byte_data(client,
+						PCA963X_PWM_BASE +
+						led->led_num,
+						brightness);
 		if (ret < 0)
 			return ret;
-		ret = i2c_smbus_write_byte_data(pca963x->chip->client,
-			ledout_addr,
-			(ledout & ~mask) | (PCA963X_LED_PWM << shift));
+
+		val = (ledout & ~mask) | (PCA963X_LED_PWM << shift);
+		ret = i2c_smbus_write_byte_data(client, ledout_addr, val);
 		break;
 	}
 
 	return ret;
 }
 
-static void pca963x_blink(struct pca963x_led *pca963x)
+static void pca963x_blink(struct pca963x_led *led)
 {
-	u8 ledout_addr = pca963x->chip->chipdef->ledout_base +
-		(pca963x->led_num / 4);
-	u8 ledout;
-	u8 mode2 = i2c_smbus_read_byte_data(pca963x->chip->client,
-							PCA963X_MODE2);
-	int shift = 2 * (pca963x->led_num % 4);
-	u8 mask = 0x3 << shift;
+	struct i2c_client *client = led->chip->client;
+	struct pca963x_chipdef *chipdef = led->chip->chipdef;
+	u8 ledout_addr, ledout, mask, val, mode2;
+	int shift;
 
-	i2c_smbus_write_byte_data(pca963x->chip->client,
-			pca963x->chip->chipdef->grppwm,	pca963x->gdc);
+	ledout_addr = chipdef->ledout_base + (led->led_num / 4);
+	shift = 2 * (led->led_num % 4);
+	mask = 0x3 << shift;
+	mode2 = i2c_smbus_read_byte_data(client, PCA963X_MODE2);
 
-	i2c_smbus_write_byte_data(pca963x->chip->client,
-			pca963x->chip->chipdef->grpfreq, pca963x->gfrq);
+	i2c_smbus_write_byte_data(client, chipdef->grppwm, led->gdc);
+
+	i2c_smbus_write_byte_data(client, chipdef->grpfreq, led->gfrq);
 
 	if (!(mode2 & PCA963X_MODE2_DMBLNK))
-		i2c_smbus_write_byte_data(pca963x->chip->client, PCA963X_MODE2,
-			mode2 | PCA963X_MODE2_DMBLNK);
+		i2c_smbus_write_byte_data(client, PCA963X_MODE2,
+					  mode2 | PCA963X_MODE2_DMBLNK);
 
-	mutex_lock(&pca963x->chip->mutex);
-	ledout = i2c_smbus_read_byte_data(pca963x->chip->client, ledout_addr);
-	if ((ledout & mask) != (PCA963X_LED_GRP_PWM << shift))
-		i2c_smbus_write_byte_data(pca963x->chip->client, ledout_addr,
-			(ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift));
-	mutex_unlock(&pca963x->chip->mutex);
+	mutex_lock(&led->chip->mutex);
+
+	ledout = i2c_smbus_read_byte_data(client, ledout_addr);
+	if ((ledout & mask) != (PCA963X_LED_GRP_PWM << shift)) {
+		val = (ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift);
+		i2c_smbus_write_byte_data(client, ledout_addr, val);
+	}
+
+	mutex_unlock(&led->chip->mutex);
 }
 
-static int pca963x_power_state(struct pca963x_led *pca963x)
+static int pca963x_power_state(struct pca963x_led *led)
 {
-	unsigned long *leds_on = &pca963x->chip->leds_on;
-	unsigned long cached_leds = pca963x->chip->leds_on;
+	struct i2c_client *client = led->chip->client;
+	unsigned long *leds_on = &led->chip->leds_on;
+	unsigned long cached_leds = *leds_on;
 
-	if (pca963x->led_cdev.brightness)
-		set_bit(pca963x->led_num, leds_on);
+	if (led->led_cdev.brightness)
+		set_bit(led->led_num, leds_on);
 	else
-		clear_bit(pca963x->led_num, leds_on);
+		clear_bit(led->led_num, leds_on);
 
 	if (!(*leds_on) != !cached_leds)
-		return i2c_smbus_write_byte_data(pca963x->chip->client,
-			PCA963X_MODE1, *leds_on ? 0 : BIT(4));
+		return i2c_smbus_write_byte_data(client, PCA963X_MODE1,
+						 *leds_on ? 0 : BIT(4));
 
 	return 0;
 }
 
 static int pca963x_led_set(struct led_classdev *led_cdev,
-	enum led_brightness value)
+			   enum led_brightness value)
 {
-	struct pca963x_led *pca963x;
+	struct pca963x_led *led;
 	int ret;
 
-	pca963x = container_of(led_cdev, struct pca963x_led, led_cdev);
+	led = container_of(led_cdev, struct pca963x_led, led_cdev);
 
-	mutex_lock(&pca963x->chip->mutex);
+	mutex_lock(&led->chip->mutex);
 
-	ret = pca963x_brightness(pca963x, value);
+	ret = pca963x_brightness(led, value);
 	if (ret < 0)
 		goto unlock;
-	ret = pca963x_power_state(pca963x);
+	ret = pca963x_power_state(led);
 
 unlock:
-	mutex_unlock(&pca963x->chip->mutex);
+	mutex_unlock(&led->chip->mutex);
 	return ret;
 }
 
-static unsigned int pca963x_period_scale(struct pca963x_led *pca963x,
-	unsigned int val)
+static unsigned int pca963x_period_scale(struct pca963x_led *led,
+					 unsigned int val)
 {
-	unsigned int scaling = pca963x->chip->chipdef->scaling;
+	unsigned int scaling = led->chip->chipdef->scaling;
 
 	return scaling ? DIV_ROUND_CLOSEST(val * scaling, 1000) : val;
 }
 
 static int pca963x_blink_set(struct led_classdev *led_cdev,
-		unsigned long *delay_on, unsigned long *delay_off)
+			     unsigned long *delay_on, unsigned long *delay_off)
 {
-	struct pca963x_led *pca963x;
 	unsigned long time_on, time_off, period;
+	struct pca963x_led *led;
 	u8 gdc, gfrq;
 
-	pca963x = container_of(led_cdev, struct pca963x_led, led_cdev);
+	led = container_of(led_cdev, struct pca963x_led, led_cdev);
 
 	time_on = *delay_on;
 	time_off = *delay_off;
@@ -242,14 +247,14 @@
 		time_off = 500;
 	}
 
-	period = pca963x_period_scale(pca963x, time_on + time_off);
+	period = pca963x_period_scale(led, time_on + time_off);
 
 	/* If period not supported by hardware, default to someting sane. */
 	if ((period < PCA963X_BLINK_PERIOD_MIN) ||
 	    (period > PCA963X_BLINK_PERIOD_MAX)) {
 		time_on = 500;
 		time_off = 500;
-		period = pca963x_period_scale(pca963x, 1000);
+		period = pca963x_period_scale(led, 1000);
 	}
 
 	/*
@@ -257,7 +262,7 @@
 	 *	(time_on / period) = (GDC / 256) ->
 	 *		GDC = ((time_on * 256) / period)
 	 */
-	gdc = (pca963x_period_scale(pca963x, time_on) * 256) / period;
+	gdc = (pca963x_period_scale(led, time_on) * 256) / period;
 
 	/*
 	 * From manual: period = ((GFRQ + 1) / 24) in seconds.
@@ -266,10 +271,10 @@
 	 */
 	gfrq = (period * 24 / 1000) - 1;
 
-	pca963x->gdc = gdc;
-	pca963x->gfrq = gfrq;
+	led->gdc = gdc;
+	led->gfrq = gfrq;
 
-	pca963x_blink(pca963x);
+	pca963x_blink(led);
 
 	*delay_on = time_on;
 	*delay_off = time_off;
@@ -277,72 +282,84 @@
 	return 0;
 }
 
-static struct pca963x_platform_data *
-pca963x_get_pdata(struct i2c_client *client, struct pca963x_chipdef *chip)
+static int pca963x_register_leds(struct i2c_client *client,
+				 struct pca963x *chip)
 {
-	struct pca963x_platform_data *pdata;
-	struct led_info *pca963x_leds;
+	struct pca963x_chipdef *chipdef = chip->chipdef;
+	struct pca963x_led *led = chip->leds;
+	struct device *dev = &client->dev;
 	struct fwnode_handle *child;
-	int count;
+	bool hw_blink;
+	s32 mode2;
+	u32 reg;
+	int ret;
 
-	count = device_get_child_node_count(&client->dev);
-	if (!count || count > chip->n_leds)
-		return ERR_PTR(-ENODEV);
+	if (device_property_read_u32(dev, "nxp,period-scale",
+				     &chipdef->scaling))
+		chipdef->scaling = 1000;
 
-	pca963x_leds = devm_kcalloc(&client->dev,
-			chip->n_leds, sizeof(struct led_info), GFP_KERNEL);
-	if (!pca963x_leds)
-		return ERR_PTR(-ENOMEM);
+	hw_blink = device_property_read_bool(dev, "nxp,hw-blink");
 
-	device_for_each_child_node(&client->dev, child) {
-		struct led_info led = {};
-		u32 reg;
-		int res;
-
-		res = fwnode_property_read_u32(child, "reg", &reg);
-		if ((res != 0) || (reg >= chip->n_leds))
-			continue;
-
-		res = fwnode_property_read_string(child, "label", &led.name);
-		if ((res != 0) && is_of_node(child))
-			led.name = to_of_node(child)->name;
-
-		fwnode_property_read_string(child, "linux,default-trigger",
-					    &led.default_trigger);
-
-		pca963x_leds[reg] = led;
-	}
-	pdata = devm_kzalloc(&client->dev,
-			     sizeof(struct pca963x_platform_data), GFP_KERNEL);
-	if (!pdata)
-		return ERR_PTR(-ENOMEM);
-
-	pdata->leds.leds = pca963x_leds;
-	pdata->leds.num_leds = chip->n_leds;
+	mode2 = i2c_smbus_read_byte_data(client, PCA963X_MODE2);
+	if (mode2 < 0)
+		return mode2;
 
 	/* default to open-drain unless totem pole (push-pull) is specified */
-	if (device_property_read_bool(&client->dev, "nxp,totem-pole"))
-		pdata->outdrv = PCA963X_TOTEM_POLE;
+	if (device_property_read_bool(dev, "nxp,totem-pole"))
+		mode2 |= PCA963X_MODE2_OUTDRV;
 	else
-		pdata->outdrv = PCA963X_OPEN_DRAIN;
-
-	/* default to software blinking unless hardware blinking is specified */
-	if (device_property_read_bool(&client->dev, "nxp,hw-blink"))
-		pdata->blink_type = PCA963X_HW_BLINK;
-	else
-		pdata->blink_type = PCA963X_SW_BLINK;
-
-	if (device_property_read_u32(&client->dev, "nxp,period-scale",
-				     &chip->scaling))
-		chip->scaling = 1000;
+		mode2 &= ~PCA963X_MODE2_OUTDRV;
 
 	/* default to non-inverted output, unless inverted is specified */
-	if (device_property_read_bool(&client->dev, "nxp,inverted-out"))
-		pdata->dir = PCA963X_INVERTED;
+	if (device_property_read_bool(dev, "nxp,inverted-out"))
+		mode2 |= PCA963X_MODE2_INVRT;
 	else
-		pdata->dir = PCA963X_NORMAL;
+		mode2 &= ~PCA963X_MODE2_INVRT;
 
-	return pdata;
+	ret = i2c_smbus_write_byte_data(client, PCA963X_MODE2, mode2);
+	if (ret < 0)
+		return ret;
+
+	device_for_each_child_node(dev, child) {
+		struct led_init_data init_data = {};
+		char default_label[32];
+
+		ret = fwnode_property_read_u32(child, "reg", &reg);
+		if (ret || reg >= chipdef->n_leds) {
+			dev_err(dev, "Invalid 'reg' property for node %pfw\n",
+				child);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		led->led_num = reg;
+		led->chip = chip;
+		led->led_cdev.brightness_set_blocking = pca963x_led_set;
+		if (hw_blink)
+			led->led_cdev.blink_set = pca963x_blink_set;
+
+		init_data.fwnode = child;
+		/* for backwards compatibility */
+		init_data.devicename = "pca963x";
+		snprintf(default_label, sizeof(default_label), "%d:%.2x:%u",
+			 client->adapter->nr, client->addr, reg);
+		init_data.default_label = default_label;
+
+		ret = devm_led_classdev_register_ext(dev, &led->led_cdev,
+						     &init_data);
+		if (ret) {
+			dev_err(dev, "Failed to register LED for node %pfw\n",
+				child);
+			goto err;
+		}
+
+		++led;
+	}
+
+	return 0;
+err:
+	fwnode_handle_put(child);
+	return ret;
 }
 
 static const struct of_device_id of_pca963x_match[] = {
@@ -355,119 +372,40 @@
 MODULE_DEVICE_TABLE(of, of_pca963x_match);
 
 static int pca963x_probe(struct i2c_client *client,
-					const struct i2c_device_id *id)
+			 const struct i2c_device_id *id)
 {
-	struct pca963x *pca963x_chip;
-	struct pca963x_led *pca963x;
-	struct pca963x_platform_data *pdata;
-	struct pca963x_chipdef *chip;
-	int i, err;
+	struct device *dev = &client->dev;
+	struct pca963x_chipdef *chipdef;
+	struct pca963x *chip;
+	int i, count;
 
-	chip = &pca963x_chipdefs[id->driver_data];
-	pdata = dev_get_platdata(&client->dev);
+	chipdef = &pca963x_chipdefs[id->driver_data];
 
-	if (!pdata) {
-		pdata = pca963x_get_pdata(client, chip);
-		if (IS_ERR(pdata)) {
-			dev_warn(&client->dev, "could not parse configuration\n");
-			pdata = NULL;
-		}
-	}
-
-	if (pdata && (pdata->leds.num_leds < 1 ||
-				 pdata->leds.num_leds > chip->n_leds)) {
-		dev_err(&client->dev, "board info must claim 1-%d LEDs",
-								chip->n_leds);
+	count = device_get_child_node_count(dev);
+	if (!count || count > chipdef->n_leds) {
+		dev_err(dev, "Node %pfw must define between 1 and %d LEDs\n",
+			dev_fwnode(dev), chipdef->n_leds);
 		return -EINVAL;
 	}
 
-	pca963x_chip = devm_kzalloc(&client->dev, sizeof(*pca963x_chip),
-								GFP_KERNEL);
-	if (!pca963x_chip)
-		return -ENOMEM;
-	pca963x = devm_kcalloc(&client->dev, chip->n_leds, sizeof(*pca963x),
-								GFP_KERNEL);
-	if (!pca963x)
+	chip = devm_kzalloc(dev, struct_size(chip, leds, count), GFP_KERNEL);
+	if (!chip)
 		return -ENOMEM;
 
-	i2c_set_clientdata(client, pca963x_chip);
+	i2c_set_clientdata(client, chip);
 
-	mutex_init(&pca963x_chip->mutex);
-	pca963x_chip->chipdef = chip;
-	pca963x_chip->client = client;
-	pca963x_chip->leds = pca963x;
+	mutex_init(&chip->mutex);
+	chip->chipdef = chipdef;
+	chip->client = client;
 
 	/* Turn off LEDs by default*/
-	for (i = 0; i < chip->n_leds / 4; i++)
-		i2c_smbus_write_byte_data(client, chip->ledout_base + i, 0x00);
-
-	for (i = 0; i < chip->n_leds; i++) {
-		pca963x[i].led_num = i;
-		pca963x[i].chip = pca963x_chip;
-
-		/* Platform data can specify LED names and default triggers */
-		if (pdata && i < pdata->leds.num_leds) {
-			if (pdata->leds.leds[i].name)
-				snprintf(pca963x[i].name,
-					 sizeof(pca963x[i].name), "pca963x:%s",
-					 pdata->leds.leds[i].name);
-			if (pdata->leds.leds[i].default_trigger)
-				pca963x[i].led_cdev.default_trigger =
-					pdata->leds.leds[i].default_trigger;
-		}
-		if (!pdata || i >= pdata->leds.num_leds ||
-						!pdata->leds.leds[i].name)
-			snprintf(pca963x[i].name, sizeof(pca963x[i].name),
-				 "pca963x:%d:%.2x:%d", client->adapter->nr,
-				 client->addr, i);
-
-		pca963x[i].led_cdev.name = pca963x[i].name;
-		pca963x[i].led_cdev.brightness_set_blocking = pca963x_led_set;
-
-		if (pdata && pdata->blink_type == PCA963X_HW_BLINK)
-			pca963x[i].led_cdev.blink_set = pca963x_blink_set;
-
-		err = led_classdev_register(&client->dev, &pca963x[i].led_cdev);
-		if (err < 0)
-			goto exit;
-	}
+	for (i = 0; i < chipdef->n_leds / 4; i++)
+		i2c_smbus_write_byte_data(client, chipdef->ledout_base + i, 0x00);
 
 	/* Disable LED all-call address, and power down initially */
 	i2c_smbus_write_byte_data(client, PCA963X_MODE1, BIT(4));
 
-	if (pdata) {
-		u8 mode2 = i2c_smbus_read_byte_data(pca963x->chip->client,
-						    PCA963X_MODE2);
-		/* Configure output: open-drain or totem pole (push-pull) */
-		if (pdata->outdrv == PCA963X_OPEN_DRAIN)
-			mode2 &= ~PCA963X_MODE2_OUTDRV;
-		else
-			mode2 |= PCA963X_MODE2_OUTDRV;
-		/* Configure direction: normal or inverted */
-		if (pdata->dir == PCA963X_INVERTED)
-			mode2 |= PCA963X_MODE2_INVRT;
-		i2c_smbus_write_byte_data(pca963x->chip->client, PCA963X_MODE2,
-					  mode2);
-	}
-
-	return 0;
-
-exit:
-	while (i--)
-		led_classdev_unregister(&pca963x[i].led_cdev);
-
-	return err;
-}
-
-static int pca963x_remove(struct i2c_client *client)
-{
-	struct pca963x *pca963x = i2c_get_clientdata(client);
-	int i;
-
-	for (i = 0; i < pca963x->chipdef->n_leds; i++)
-		led_classdev_unregister(&pca963x->leds[i].led_cdev);
-
-	return 0;
+	return pca963x_register_leds(client, chip);
 }
 
 static struct i2c_driver pca963x_driver = {
@@ -476,7 +414,6 @@
 		.of_match_table = of_pca963x_match,
 	},
 	.probe	= pca963x_probe,
-	.remove	= pca963x_remove,
 	.id_table = pca963x_id,
 };
 
diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
index 7869ccd..fb2ab72 100644
--- a/drivers/leds/leds-pm8058.c
+++ b/drivers/leds/leds-pm8058.c
@@ -87,36 +87,36 @@
 
 static int pm8058_led_probe(struct platform_device *pdev)
 {
+	struct led_init_data init_data = {};
+	struct device *dev = &pdev->dev;
 	struct pm8058_led *led;
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *np;
 	int ret;
 	struct regmap *map;
 	const char *state;
 	enum led_brightness maxbright;
 
-	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
+	led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
 		return -ENOMEM;
 
-	led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
+	led->ledtype = (u32)(unsigned long)of_device_get_match_data(dev);
 
-	map = dev_get_regmap(pdev->dev.parent, NULL);
+	map = dev_get_regmap(dev->parent, NULL);
 	if (!map) {
-		dev_err(&pdev->dev, "Parent regmap unavailable.\n");
+		dev_err(dev, "Parent regmap unavailable.\n");
 		return -ENXIO;
 	}
 	led->map = map;
 
+	np = dev_of_node(dev);
+
 	ret = of_property_read_u32(np, "reg", &led->reg);
 	if (ret) {
-		dev_err(&pdev->dev, "no register offset specified\n");
+		dev_err(dev, "no register offset specified\n");
 		return -EINVAL;
 	}
 
-	/* Use label else node name */
-	led->cdev.name = of_get_property(np, "label", NULL) ? : np->name;
-	led->cdev.default_trigger =
-		of_get_property(np, "linux,default-trigger", NULL);
 	led->cdev.brightness_set = pm8058_led_set;
 	led->cdev.brightness_get = pm8058_led_get;
 	if (led->ledtype == PM8058_LED_TYPE_COMMON)
@@ -142,14 +142,13 @@
 	    led->ledtype == PM8058_LED_TYPE_FLASH)
 		led->cdev.flags	= LED_CORE_SUSPENDRESUME;
 
-	ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
-	if (ret) {
-		dev_err(&pdev->dev, "unable to register led \"%s\"\n",
-			led->cdev.name);
-		return ret;
-	}
+	init_data.fwnode = of_fwnode_handle(np);
 
-	return 0;
+	ret = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
+	if (ret)
+		dev_err(dev, "Failed to register LED for %pOF\n", np);
+
+	return ret;
 }
 
 static const struct of_device_id pm8058_leds_id_table[] = {
diff --git a/drivers/leds/leds-powernv.c b/drivers/leds/leds-powernv.c
index cd43d5d..743e2cd 100644
--- a/drivers/leds/leds-powernv.c
+++ b/drivers/leds/leds-powernv.c
@@ -250,7 +250,7 @@
 	struct powernv_led_data *powernv_led;
 	struct device *dev = &pdev->dev;
 
-	for_each_child_of_node(led_node, np) {
+	for_each_available_child_of_node(led_node, np) {
 		p = of_find_property(np, "led-types", NULL);
 
 		while ((cur = of_prop_next_string(p, cur)) != NULL) {
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 8b6965a..f53f930 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -16,105 +16,85 @@
 #include <linux/leds.h>
 #include <linux/err.h>
 #include <linux/pwm.h>
-#include <linux/leds_pwm.h>
 #include <linux/slab.h>
 
+struct led_pwm {
+	const char	*name;
+	u8		active_low;
+	unsigned int	max_brightness;
+};
+
 struct led_pwm_data {
 	struct led_classdev	cdev;
 	struct pwm_device	*pwm;
+	struct pwm_state	pwmstate;
 	unsigned int		active_low;
-	unsigned int		period;
-	int			duty;
 };
 
 struct led_pwm_priv {
 	int num_leds;
-	struct led_pwm_data leds[0];
+	struct led_pwm_data leds[];
 };
 
-static void __led_pwm_set(struct led_pwm_data *led_dat)
-{
-	int new_duty = led_dat->duty;
-
-	pwm_config(led_dat->pwm, new_duty, led_dat->period);
-
-	if (new_duty == 0)
-		pwm_disable(led_dat->pwm);
-	else
-		pwm_enable(led_dat->pwm);
-}
-
 static int led_pwm_set(struct led_classdev *led_cdev,
 		       enum led_brightness brightness)
 {
 	struct led_pwm_data *led_dat =
 		container_of(led_cdev, struct led_pwm_data, cdev);
 	unsigned int max = led_dat->cdev.max_brightness;
-	unsigned long long duty =  led_dat->period;
+	unsigned long long duty = led_dat->pwmstate.period;
 
 	duty *= brightness;
 	do_div(duty, max);
 
 	if (led_dat->active_low)
-		duty = led_dat->period - duty;
+		duty = led_dat->pwmstate.period - duty;
 
-	led_dat->duty = duty;
-
-	__led_pwm_set(led_dat);
-
-	return 0;
+	led_dat->pwmstate.duty_cycle = duty;
+	led_dat->pwmstate.enabled = duty > 0;
+	return pwm_apply_state(led_dat->pwm, &led_dat->pwmstate);
 }
 
+__attribute__((nonnull))
 static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
 		       struct led_pwm *led, struct fwnode_handle *fwnode)
 {
 	struct led_pwm_data *led_data = &priv->leds[priv->num_leds];
-	struct pwm_args pargs;
+	struct led_init_data init_data = { .fwnode = fwnode };
 	int ret;
 
 	led_data->active_low = led->active_low;
 	led_data->cdev.name = led->name;
-	led_data->cdev.default_trigger = led->default_trigger;
 	led_data->cdev.brightness = LED_OFF;
 	led_data->cdev.max_brightness = led->max_brightness;
 	led_data->cdev.flags = LED_CORE_SUSPENDRESUME;
 
-	if (fwnode)
-		led_data->pwm = devm_fwnode_pwm_get(dev, fwnode, NULL);
-	else
-		led_data->pwm = devm_pwm_get(dev, led->name);
-	if (IS_ERR(led_data->pwm)) {
-		ret = PTR_ERR(led_data->pwm);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "unable to request PWM for %s: %d\n",
-				led->name, ret);
-		return ret;
-	}
+	led_data->pwm = devm_fwnode_pwm_get(dev, fwnode, NULL);
+	if (IS_ERR(led_data->pwm))
+		return dev_err_probe(dev, PTR_ERR(led_data->pwm),
+				     "unable to request PWM for %s\n",
+				     led->name);
 
 	led_data->cdev.brightness_set_blocking = led_pwm_set;
 
-	/*
-	 * FIXME: pwm_apply_args() should be removed when switching to the
-	 * atomic PWM API.
-	 */
-	pwm_apply_args(led_data->pwm);
+	pwm_init_state(led_data->pwm, &led_data->pwmstate);
 
-	pwm_get_args(led_data->pwm, &pargs);
-
-	led_data->period = pargs.period;
-	if (!led_data->period && (led->pwm_period_ns > 0))
-		led_data->period = led->pwm_period_ns;
-
-	ret = devm_led_classdev_register(dev, &led_data->cdev);
-	if (ret == 0) {
-		priv->num_leds++;
-		led_pwm_set(&led_data->cdev, led_data->cdev.brightness);
-	} else {
+	ret = devm_led_classdev_register_ext(dev, &led_data->cdev, &init_data);
+	if (ret) {
 		dev_err(dev, "failed to register PWM led for %s: %d\n",
 			led->name, ret);
+		return ret;
 	}
 
-	return ret;
+	ret = led_pwm_set(&led_data->cdev, led_data->cdev.brightness);
+	if (ret) {
+		dev_err(dev, "failed to set led PWM value for %s: %d",
+			led->name, ret);
+		return ret;
+	}
+
+	priv->num_leds++;
+	return 0;
 }
 
 static int led_pwm_create_fwnode(struct device *dev, struct led_pwm_priv *priv)
@@ -135,9 +115,6 @@
 			return -EINVAL;
 		}
 
-		fwnode_property_read_string(fwnode, "linux,default-trigger",
-					    &led.default_trigger);
-
 		led.active_low = fwnode_property_read_bool(fwnode,
 							   "active-low");
 		fwnode_property_read_u32(fwnode, "max-brightness",
@@ -155,15 +132,11 @@
 
 static int led_pwm_probe(struct platform_device *pdev)
 {
-	struct led_pwm_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct led_pwm_priv *priv;
-	int count, i;
 	int ret = 0;
+	int count;
 
-	if (pdata)
-		count = pdata->num_leds;
-	else
-		count = device_get_child_node_count(&pdev->dev);
+	count = device_get_child_node_count(&pdev->dev);
 
 	if (!count)
 		return -EINVAL;
@@ -173,16 +146,7 @@
 	if (!priv)
 		return -ENOMEM;
 
-	if (pdata) {
-		for (i = 0; i < count; i++) {
-			ret = led_pwm_add(&pdev->dev, priv, &pdata->leds[i],
-					  NULL);
-			if (ret)
-				break;
-		}
-	} else {
-		ret = led_pwm_create_fwnode(&pdev->dev, priv);
-	}
+	ret = led_pwm_create_fwnode(&pdev->dev, priv);
 
 	if (ret)
 		return ret;
diff --git a/drivers/leds/leds-rb532.c b/drivers/leds/leds-rb532.c
index db5af83..b6447c1 100644
--- a/drivers/leds/leds-rb532.c
+++ b/drivers/leds/leds-rb532.c
@@ -21,7 +21,6 @@
 {
 	if (brightness)
 		set_latch_u5(LO_ULED, 0);
-
 	else
 		set_latch_u5(0, LO_ULED);
 }
diff --git a/drivers/leds/leds-s3c24xx.c b/drivers/leds/leds-s3c24xx.c
index f8b8d6e..3c0c7aa 100644
--- a/drivers/leds/leds-s3c24xx.c
+++ b/drivers/leds/leds-s3c24xx.c
@@ -11,19 +11,17 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/platform_data/leds-s3c24xx.h>
 
-#include <mach/regs-gpio.h>
-#include <plat/gpio-cfg.h>
-
 /* our context */
 
 struct s3c24xx_gpio_led {
 	struct led_classdev		 cdev;
 	struct s3c24xx_led_platdata	*pdata;
+	struct gpio_desc		*gpiod;
 };
 
 static inline struct s3c24xx_gpio_led *to_gpio(struct led_classdev *led_cdev)
@@ -35,20 +33,8 @@
 			    enum led_brightness value)
 {
 	struct s3c24xx_gpio_led *led = to_gpio(led_cdev);
-	struct s3c24xx_led_platdata *pd = led->pdata;
-	int state = (value ? 1 : 0) ^ (pd->flags & S3C24XX_LEDF_ACTLOW);
 
-	/* there will be a short delay between setting the output and
-	 * going from output to input when using tristate. */
-
-	gpio_set_value(pd->gpio, state);
-
-	if (pd->flags & S3C24XX_LEDF_TRISTATE) {
-		if (value)
-			gpio_direction_output(pd->gpio, state);
-		else
-			gpio_direction_input(pd->gpio);
-	}
+	gpiod_set_value(led->gpiod, !!value);
 }
 
 static int s3c24xx_led_probe(struct platform_device *dev)
@@ -69,22 +55,12 @@
 
 	led->pdata = pdata;
 
-	ret = devm_gpio_request(&dev->dev, pdata->gpio, "S3C24XX_LED");
-	if (ret < 0)
-		return ret;
-
-	/* no point in having a pull-up if we are always driving */
-
-	s3c_gpio_setpull(pdata->gpio, S3C_GPIO_PULL_NONE);
-
-	if (pdata->flags & S3C24XX_LEDF_TRISTATE)
-		gpio_direction_input(pdata->gpio);
-	else
-		gpio_direction_output(pdata->gpio,
-			pdata->flags & S3C24XX_LEDF_ACTLOW ? 1 : 0);
+	/* Default to off */
+	led->gpiod = devm_gpiod_get(&dev->dev, NULL, GPIOD_OUT_LOW);
+	if (IS_ERR(led->gpiod))
+		return PTR_ERR(led->gpiod);
 
 	/* register our new led device */
-
 	ret = devm_led_classdev_register(&dev->dev, &led->cdev);
 	if (ret < 0)
 		dev_err(&dev->dev, "led_classdev_register failed\n");
diff --git a/drivers/leds/leds-sc27xx-bltc.c b/drivers/leds/leds-sc27xx-bltc.c
index 0ede874..e199ea1 100644
--- a/drivers/leds/leds-sc27xx-bltc.c
+++ b/drivers/leds/leds-sc27xx-bltc.c
@@ -276,12 +276,12 @@
 static int sc27xx_led_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node, *child;
+	struct device_node *np = dev_of_node(dev), *child;
 	struct sc27xx_led_priv *priv;
 	u32 base, count, reg;
 	int err;
 
-	count = of_get_child_count(np);
+	count = of_get_available_child_count(np);
 	if (!count || count > SC27XX_LEDS_MAX)
 		return -EINVAL;
 
@@ -305,7 +305,7 @@
 		return err;
 	}
 
-	for_each_child_of_node(np, child) {
+	for_each_available_child_of_node(np, child) {
 		err = of_property_read_u32(child, "reg", &reg);
 		if (err) {
 			of_node_put(child);
diff --git a/drivers/leds/leds-sgm3140.c b/drivers/leds/leds-sgm3140.c
new file mode 100644
index 0000000..f4f8315
--- /dev/null
+++ b/drivers/leds/leds-sgm3140.c
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 Luca Weiss <luca@z3ntu.xyz>
+
+#include <linux/gpio/consumer.h>
+#include <linux/led-class-flash.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+#include <linux/platform_device.h>
+
+#include <media/v4l2-flash-led-class.h>
+
+#define FLASH_TIMEOUT_DEFAULT		250000U /* 250ms */
+#define FLASH_MAX_TIMEOUT_DEFAULT	300000U /* 300ms */
+
+struct sgm3140 {
+	struct led_classdev_flash fled_cdev;
+	struct v4l2_flash *v4l2_flash;
+
+	struct timer_list powerdown_timer;
+
+	struct gpio_desc *flash_gpio;
+	struct gpio_desc *enable_gpio;
+	struct regulator *vin_regulator;
+
+	bool enabled;
+
+	/* current timeout in us */
+	u32 timeout;
+	/* maximum timeout in us */
+	u32 max_timeout;
+};
+
+static struct sgm3140 *flcdev_to_sgm3140(struct led_classdev_flash *flcdev)
+{
+	return container_of(flcdev, struct sgm3140, fled_cdev);
+}
+
+static int sgm3140_strobe_set(struct led_classdev_flash *fled_cdev, bool state)
+{
+	struct sgm3140 *priv = flcdev_to_sgm3140(fled_cdev);
+	int ret;
+
+	if (priv->enabled == state)
+		return 0;
+
+	if (state) {
+		ret = regulator_enable(priv->vin_regulator);
+		if (ret) {
+			dev_err(fled_cdev->led_cdev.dev,
+				"failed to enable regulator: %d\n", ret);
+			return ret;
+		}
+		gpiod_set_value_cansleep(priv->flash_gpio, 1);
+		gpiod_set_value_cansleep(priv->enable_gpio, 1);
+		mod_timer(&priv->powerdown_timer,
+			  jiffies + usecs_to_jiffies(priv->timeout));
+	} else {
+		del_timer_sync(&priv->powerdown_timer);
+		gpiod_set_value_cansleep(priv->enable_gpio, 0);
+		gpiod_set_value_cansleep(priv->flash_gpio, 0);
+		ret = regulator_disable(priv->vin_regulator);
+		if (ret) {
+			dev_err(fled_cdev->led_cdev.dev,
+				"failed to disable regulator: %d\n", ret);
+			return ret;
+		}
+	}
+
+	priv->enabled = state;
+
+	return 0;
+}
+
+static int sgm3140_strobe_get(struct led_classdev_flash *fled_cdev, bool *state)
+{
+	struct sgm3140 *priv = flcdev_to_sgm3140(fled_cdev);
+
+	*state = timer_pending(&priv->powerdown_timer);
+
+	return 0;
+}
+
+static int sgm3140_timeout_set(struct led_classdev_flash *fled_cdev,
+			       u32 timeout)
+{
+	struct sgm3140 *priv = flcdev_to_sgm3140(fled_cdev);
+
+	priv->timeout = timeout;
+
+	return 0;
+}
+
+static const struct led_flash_ops sgm3140_flash_ops = {
+	.strobe_set = sgm3140_strobe_set,
+	.strobe_get = sgm3140_strobe_get,
+	.timeout_set = sgm3140_timeout_set,
+};
+
+static int sgm3140_brightness_set(struct led_classdev *led_cdev,
+				  enum led_brightness brightness)
+{
+	struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
+	struct sgm3140 *priv = flcdev_to_sgm3140(fled_cdev);
+	bool enable = brightness == LED_ON;
+	int ret;
+
+	if (priv->enabled == enable)
+		return 0;
+
+	if (enable) {
+		ret = regulator_enable(priv->vin_regulator);
+		if (ret) {
+			dev_err(led_cdev->dev,
+				"failed to enable regulator: %d\n", ret);
+			return ret;
+		}
+		gpiod_set_value_cansleep(priv->enable_gpio, 1);
+	} else {
+		gpiod_set_value_cansleep(priv->enable_gpio, 0);
+		ret = regulator_disable(priv->vin_regulator);
+		if (ret) {
+			dev_err(led_cdev->dev,
+				"failed to disable regulator: %d\n", ret);
+			return ret;
+		}
+	}
+
+	priv->enabled = enable;
+
+	return 0;
+}
+
+static void sgm3140_powerdown_timer(struct timer_list *t)
+{
+	struct sgm3140 *priv = from_timer(priv, t, powerdown_timer);
+
+	gpiod_set_value(priv->enable_gpio, 0);
+	gpiod_set_value(priv->flash_gpio, 0);
+	regulator_disable(priv->vin_regulator);
+
+	priv->enabled = false;
+}
+
+static void sgm3140_init_flash_timeout(struct sgm3140 *priv)
+{
+	struct led_classdev_flash *fled_cdev = &priv->fled_cdev;
+	struct led_flash_setting *s;
+
+	/* Init flash timeout setting */
+	s = &fled_cdev->timeout;
+	s->min = 1;
+	s->max = priv->max_timeout;
+	s->step = 1;
+	s->val = FLASH_TIMEOUT_DEFAULT;
+}
+
+#if IS_ENABLED(CONFIG_V4L2_FLASH_LED_CLASS)
+static void sgm3140_init_v4l2_flash_config(struct sgm3140 *priv,
+					struct v4l2_flash_config *v4l2_sd_cfg)
+{
+	struct led_classdev *led_cdev = &priv->fled_cdev.led_cdev;
+	struct led_flash_setting *s;
+
+	strscpy(v4l2_sd_cfg->dev_name, led_cdev->dev->kobj.name,
+		sizeof(v4l2_sd_cfg->dev_name));
+
+	/* Init flash intensity setting */
+	s = &v4l2_sd_cfg->intensity;
+	s->min = 0;
+	s->max = 1;
+	s->step = 1;
+	s->val = 1;
+}
+
+#else
+static void sgm3140_init_v4l2_flash_config(struct sgm3140 *priv,
+					struct v4l2_flash_config *v4l2_sd_cfg)
+{
+}
+#endif
+
+static int sgm3140_probe(struct platform_device *pdev)
+{
+	struct sgm3140 *priv;
+	struct led_classdev *led_cdev;
+	struct led_classdev_flash *fled_cdev;
+	struct led_init_data init_data = {};
+	struct fwnode_handle *child_node;
+	struct v4l2_flash_config v4l2_sd_cfg = {};
+	int ret;
+
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->flash_gpio = devm_gpiod_get(&pdev->dev, "flash", GPIOD_OUT_LOW);
+	ret = PTR_ERR_OR_ZERO(priv->flash_gpio);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Failed to request flash gpio\n");
+
+	priv->enable_gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
+	ret = PTR_ERR_OR_ZERO(priv->enable_gpio);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Failed to request enable gpio\n");
+
+	priv->vin_regulator = devm_regulator_get(&pdev->dev, "vin");
+	ret = PTR_ERR_OR_ZERO(priv->vin_regulator);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "Failed to request regulator\n");
+
+	child_node = fwnode_get_next_available_child_node(pdev->dev.fwnode,
+							  NULL);
+	if (!child_node) {
+		dev_err(&pdev->dev,
+			"No fwnode child node found for connected LED.\n");
+		return -EINVAL;
+	}
+
+	ret = fwnode_property_read_u32(child_node, "flash-max-timeout-us",
+				       &priv->max_timeout);
+	if (ret) {
+		priv->max_timeout = FLASH_MAX_TIMEOUT_DEFAULT;
+		dev_warn(&pdev->dev,
+			 "flash-max-timeout-us property missing\n");
+	}
+
+	/*
+	 * Set default timeout to FLASH_DEFAULT_TIMEOUT except if max_timeout
+	 * from DT is lower.
+	 */
+	priv->timeout = min(priv->max_timeout, FLASH_TIMEOUT_DEFAULT);
+
+	timer_setup(&priv->powerdown_timer, sgm3140_powerdown_timer, 0);
+
+	fled_cdev = &priv->fled_cdev;
+	led_cdev = &fled_cdev->led_cdev;
+
+	fled_cdev->ops = &sgm3140_flash_ops;
+
+	led_cdev->brightness_set_blocking = sgm3140_brightness_set;
+	led_cdev->max_brightness = LED_ON;
+	led_cdev->flags |= LED_DEV_CAP_FLASH;
+
+	sgm3140_init_flash_timeout(priv);
+
+	init_data.fwnode = child_node;
+
+	platform_set_drvdata(pdev, priv);
+
+	/* Register in the LED subsystem */
+	ret = devm_led_classdev_flash_register_ext(&pdev->dev,
+						   fled_cdev, &init_data);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register flash device: %d\n",
+			ret);
+		goto err;
+	}
+
+	sgm3140_init_v4l2_flash_config(priv, &v4l2_sd_cfg);
+
+	/* Create V4L2 Flash subdev */
+	priv->v4l2_flash = v4l2_flash_init(&pdev->dev,
+					   child_node,
+					   fled_cdev, NULL,
+					   &v4l2_sd_cfg);
+	if (IS_ERR(priv->v4l2_flash)) {
+		ret = PTR_ERR(priv->v4l2_flash);
+		goto err;
+	}
+
+	return ret;
+
+err:
+	fwnode_handle_put(child_node);
+	return ret;
+}
+
+static int sgm3140_remove(struct platform_device *pdev)
+{
+	struct sgm3140 *priv = platform_get_drvdata(pdev);
+
+	del_timer_sync(&priv->powerdown_timer);
+
+	v4l2_flash_release(priv->v4l2_flash);
+
+	return 0;
+}
+
+static const struct of_device_id sgm3140_dt_match[] = {
+	{ .compatible = "sgmicro,sgm3140" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sgm3140_dt_match);
+
+static struct platform_driver sgm3140_driver = {
+	.probe	= sgm3140_probe,
+	.remove	= sgm3140_remove,
+	.driver	= {
+		.name	= "sgm3140",
+		.of_match_table = sgm3140_dt_match,
+	},
+};
+
+module_platform_driver(sgm3140_driver);
+
+MODULE_AUTHOR("Luca Weiss <luca@z3ntu.xyz>");
+MODULE_DESCRIPTION("SG Micro SGM3140 charge pump LED driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c
index b231b56..f1964c9 100644
--- a/drivers/leds/leds-spi-byte.c
+++ b/drivers/leds/leds-spi-byte.c
@@ -80,7 +80,6 @@
 
 static int spi_byte_probe(struct spi_device *spi)
 {
-	const struct of_device_id *of_dev_id;
 	struct device_node *child;
 	struct device *dev = &spi->dev;
 	struct spi_byte_led *led;
@@ -88,15 +87,11 @@
 	const char *state;
 	int ret;
 
-	of_dev_id = of_match_device(spi_byte_dt_ids, dev);
-	if (!of_dev_id)
-		return -EINVAL;
-
-	if (of_get_child_count(dev->of_node) != 1) {
+	if (of_get_available_child_count(dev_of_node(dev)) != 1) {
 		dev_err(dev, "Device must have exactly one LED sub-node.");
 		return -EINVAL;
 	}
-	child = of_get_next_child(dev->of_node, NULL);
+	child = of_get_next_available_child(dev_of_node(dev), NULL);
 
 	led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -106,7 +101,7 @@
 	strlcpy(led->name, name, sizeof(led->name));
 	led->spi = spi;
 	mutex_init(&led->mutex);
-	led->cdef = of_dev_id->data;
+	led->cdef = device_get_match_data(dev);
 	led->ldev.name = led->name;
 	led->ldev.brightness = LED_OFF;
 	led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value;
diff --git a/drivers/leds/leds-syscon.c b/drivers/leds/leds-syscon.c
index b58f3ca..7eddb8e 100644
--- a/drivers/leds/leds-syscon.c
+++ b/drivers/leds/leds-syscon.c
@@ -55,8 +55,9 @@
 
 static int syscon_led_probe(struct platform_device *pdev)
 {
+	struct led_init_data init_data = {};
 	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node;
+	struct device_node *np = dev_of_node(dev);
 	struct device *parent;
 	struct regmap *map;
 	struct syscon_led *sled;
@@ -68,7 +69,7 @@
 		dev_err(dev, "no parent for syscon LED\n");
 		return -ENODEV;
 	}
-	map = syscon_node_to_regmap(parent->of_node);
+	map = syscon_node_to_regmap(dev_of_node(parent));
 	if (IS_ERR(map)) {
 		dev_err(dev, "no regmap for syscon LED parent\n");
 		return PTR_ERR(map);
@@ -84,10 +85,6 @@
 		return -EINVAL;
 	if (of_property_read_u32(np, "mask", &sled->mask))
 		return -EINVAL;
-	sled->cdev.name =
-		of_get_property(np, "label", NULL) ? : np->name;
-	sled->cdev.default_trigger =
-		of_get_property(np, "linux,default-trigger", NULL);
 
 	state = of_get_property(np, "default-state", NULL);
 	if (state) {
@@ -115,7 +112,9 @@
 	}
 	sled->cdev.brightness_set = syscon_led_set;
 
-	ret = devm_led_classdev_register(dev, &sled->cdev);
+	init_data.fwnode = of_fwnode_handle(np);
+
+	ret = devm_led_classdev_register_ext(dev, &sled->cdev, &init_data);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index 58be20c..225b765 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -69,23 +69,6 @@
  * defaulted.  Similarly the banks know if each time was explicit or a
  * default.  Defaults are permitted to be changed freely - they are
  * not recognised when matching.
- *
- *
- * An led-tca6507 device must be provided with platform data or
- * configured via devicetree.
- *
- * The platform-data lists for each output: the name, default trigger,
- * and whether the signal is being used as a GPIO rather than an LED.
- * 'struct led_plaform_data' is used for this.  If 'name' is NULL, the
- * output isn't used.  If 'flags' is TCA6507_MAKE_GPIO, the output is
- * a GPO.  The "struct led_platform_data" can be embedded in a "struct
- * tca6507_platform_data" which adds a 'gpio_base' for the GPIOs, and
- * a 'setup' callback which is called once the GPIOs are available.
- *
- * When configured via devicetree there is one child for each output.
- * The "reg" determines the output number and "compatible" determines
- * whether it is an LED or a GPIO.  "linux,default-trigger" can set a
- * default trigger.
  */
 
 #include <linux/module.h>
@@ -93,10 +76,9 @@
 #include <linux/leds.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
+#include <linux/property.h>
 #include <linux/workqueue.h>
-#include <linux/leds-tca6507.h>
-#include <linux/of.h>
 
 /* LED select registers determine the source that drives LED outputs */
 #define TCA6507_LS_LED_OFF	0x0	/* Output HI-Z (off) */
@@ -108,6 +90,15 @@
 #define TCA6507_LS_BLINK0	0x6	/* Blink at Bank0 rate */
 #define TCA6507_LS_BLINK1	0x7	/* Blink at Bank1 rate */
 
+struct tca6507_platform_data {
+	struct led_platform_data leds;
+#ifdef CONFIG_GPIOLIB
+	int gpio_base;
+#endif
+};
+
+#define	TCA6507_MAKE_GPIO 1
+
 enum {
 	BANK0,
 	BANK1,
@@ -189,7 +180,6 @@
 	} leds[NUM_LEDS];
 #ifdef CONFIG_GPIOLIB
 	struct gpio_chip		gpio;
-	const char			*gpio_name[NUM_LEDS];
 	int				gpio_map[NUM_LEDS];
 #endif
 };
@@ -628,7 +618,7 @@
 	return 0;
 }
 
-static int tca6507_probe_gpios(struct i2c_client *client,
+static int tca6507_probe_gpios(struct device *dev,
 			       struct tca6507_chip *tca,
 			       struct tca6507_platform_data *pdata)
 {
@@ -639,7 +629,6 @@
 	for (i = 0; i < NUM_LEDS; i++)
 		if (pdata->leds.leds[i].name && pdata->leds.leds[i].flags) {
 			/* Configure as a gpio */
-			tca->gpio_name[gpios] = pdata->leds.leds[i].name;
 			tca->gpio_map[gpios] = i;
 			gpios++;
 		}
@@ -648,23 +637,20 @@
 		return 0;
 
 	tca->gpio.label = "gpio-tca6507";
-	tca->gpio.names = tca->gpio_name;
 	tca->gpio.ngpio = gpios;
 	tca->gpio.base = pdata->gpio_base;
 	tca->gpio.owner = THIS_MODULE;
 	tca->gpio.direction_output = tca6507_gpio_direction_output;
 	tca->gpio.set = tca6507_gpio_set_value;
-	tca->gpio.parent = &client->dev;
+	tca->gpio.parent = dev;
 #ifdef CONFIG_OF_GPIO
-	tca->gpio.of_node = of_node_get(client->dev.of_node);
+	tca->gpio.of_node = of_node_get(dev_of_node(dev));
 #endif
 	err = gpiochip_add_data(&tca->gpio, tca);
 	if (err) {
 		tca->gpio.ngpio = 0;
 		return err;
 	}
-	if (pdata->setup)
-		pdata->setup(tca->gpio.base, tca->gpio.ngpio);
 	return 0;
 }
 
@@ -674,7 +660,7 @@
 		gpiochip_remove(&tca->gpio);
 }
 #else /* CONFIG_GPIOLIB */
-static int tca6507_probe_gpios(struct i2c_client *client,
+static int tca6507_probe_gpios(struct device *dev,
 			       struct tca6507_chip *tca,
 			       struct tca6507_platform_data *pdata)
 {
@@ -685,44 +671,50 @@
 }
 #endif /* CONFIG_GPIOLIB */
 
-#ifdef CONFIG_OF
 static struct tca6507_platform_data *
-tca6507_led_dt_init(struct i2c_client *client)
+tca6507_led_dt_init(struct device *dev)
 {
-	struct device_node *np = client->dev.of_node, *child;
 	struct tca6507_platform_data *pdata;
+	struct fwnode_handle *child;
 	struct led_info *tca_leds;
 	int count;
 
-	count = of_get_child_count(np);
+	count = device_get_child_node_count(dev);
 	if (!count || count > NUM_LEDS)
 		return ERR_PTR(-ENODEV);
 
-	tca_leds = devm_kcalloc(&client->dev,
-			NUM_LEDS, sizeof(struct led_info), GFP_KERNEL);
+	tca_leds = devm_kcalloc(dev, NUM_LEDS, sizeof(struct led_info),
+				GFP_KERNEL);
 	if (!tca_leds)
 		return ERR_PTR(-ENOMEM);
 
-	for_each_child_of_node(np, child) {
+	device_for_each_child_node(dev, child) {
 		struct led_info led;
 		u32 reg;
 		int ret;
 
-		led.name =
-			of_get_property(child, "label", NULL) ? : child->name;
-		led.default_trigger =
-			of_get_property(child, "linux,default-trigger", NULL);
+		if (fwnode_property_read_string(child, "label", &led.name))
+			led.name = fwnode_get_name(child);
+
+		fwnode_property_read_string(child, "linux,default-trigger",
+					    &led.default_trigger);
+
 		led.flags = 0;
-		if (of_property_match_string(child, "compatible", "gpio") >= 0)
+		if (fwnode_property_match_string(child, "compatible",
+						 "gpio") >= 0)
 			led.flags |= TCA6507_MAKE_GPIO;
-		ret = of_property_read_u32(child, "reg", &reg);
-		if (ret != 0 || reg >= NUM_LEDS)
-			continue;
+
+		ret = fwnode_property_read_u32(child, "reg", &reg);
+		if (ret || reg >= NUM_LEDS) {
+			fwnode_handle_put(child);
+			return ERR_PTR(ret ? : -EINVAL);
+		}
 
 		tca_leds[reg] = led;
 	}
-	pdata = devm_kzalloc(&client->dev,
-			sizeof(struct tca6507_platform_data), GFP_KERNEL);
+
+	pdata = devm_kzalloc(dev, sizeof(struct tca6507_platform_data),
+			     GFP_KERNEL);
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
@@ -731,48 +723,37 @@
 #ifdef CONFIG_GPIOLIB
 	pdata->gpio_base = -1;
 #endif
+
 	return pdata;
 }
 
-static const struct of_device_id of_tca6507_leds_match[] = {
+static const struct of_device_id __maybe_unused of_tca6507_leds_match[] = {
 	{ .compatible = "ti,tca6507", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, of_tca6507_leds_match);
 
-#else
-static struct tca6507_platform_data *
-tca6507_led_dt_init(struct i2c_client *client)
-{
-	return ERR_PTR(-ENODEV);
-}
-
-#endif
-
 static int tca6507_probe(struct i2c_client *client,
 		const struct i2c_device_id *id)
 {
-	struct tca6507_chip *tca;
+	struct device *dev = &client->dev;
 	struct i2c_adapter *adapter;
+	struct tca6507_chip *tca;
 	struct tca6507_platform_data *pdata;
 	int err;
 	int i = 0;
 
 	adapter = client->adapter;
-	pdata = dev_get_platdata(&client->dev);
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
 		return -EIO;
 
-	if (!pdata || pdata->leds.num_leds != NUM_LEDS) {
-		pdata = tca6507_led_dt_init(client);
-		if (IS_ERR(pdata)) {
-			dev_err(&client->dev, "Need %d entries in platform-data list\n",
-				NUM_LEDS);
-			return PTR_ERR(pdata);
-		}
+	pdata = tca6507_led_dt_init(dev);
+	if (IS_ERR(pdata)) {
+		dev_err(dev, "Need %d entries in platform-data list\n", NUM_LEDS);
+		return PTR_ERR(pdata);
 	}
-	tca = devm_kzalloc(&client->dev, sizeof(*tca), GFP_KERNEL);
+	tca = devm_kzalloc(dev, sizeof(*tca), GFP_KERNEL);
 	if (!tca)
 		return -ENOMEM;
 
@@ -793,13 +774,12 @@
 			l->led_cdev.brightness_set = tca6507_brightness_set;
 			l->led_cdev.blink_set = tca6507_blink_set;
 			l->bank = -1;
-			err = led_classdev_register(&client->dev,
-						    &l->led_cdev);
+			err = led_classdev_register(dev, &l->led_cdev);
 			if (err < 0)
 				goto exit;
 		}
 	}
-	err = tca6507_probe_gpios(client, tca, pdata);
+	err = tca6507_probe_gpios(dev, tca, pdata);
 	if (err)
 		goto exit;
 	/* set all registers to known state - zero */
diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
index 9feaec3..cb7bd13 100644
--- a/drivers/leds/leds-tlc591xx.c
+++ b/drivers/leds/leds-tlc591xx.c
@@ -129,51 +129,6 @@
 	return err;
 }
 
-static void
-tlc591xx_destroy_devices(struct tlc591xx_priv *priv, unsigned int j)
-{
-	int i = j;
-
-	while (--i >= 0) {
-		if (priv->leds[i].active)
-			led_classdev_unregister(&priv->leds[i].ldev);
-	}
-}
-
-static int
-tlc591xx_configure(struct device *dev,
-		   struct tlc591xx_priv *priv,
-		   const struct tlc591xx *tlc591xx)
-{
-	unsigned int i;
-	int err = 0;
-
-	tlc591xx_set_mode(priv->regmap, MODE2_DIM);
-	for (i = 0; i < TLC591XX_MAX_LEDS; i++) {
-		struct tlc591xx_led *led = &priv->leds[i];
-
-		if (!led->active)
-			continue;
-
-		led->priv = priv;
-		led->led_no = i;
-		led->ldev.brightness_set_blocking = tlc591xx_brightness_set;
-		led->ldev.max_brightness = TLC591XX_MAX_BRIGHTNESS;
-		err = led_classdev_register(dev, &led->ldev);
-		if (err < 0) {
-			dev_err(dev, "couldn't register LED %s\n",
-				led->ldev.name);
-			goto exit;
-		}
-	}
-
-	return 0;
-
-exit:
-	tlc591xx_destroy_devices(priv, i);
-	return err;
-}
-
 static const struct regmap_config tlc591xx_regmap = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -193,22 +148,21 @@
 tlc591xx_probe(struct i2c_client *client,
 	       const struct i2c_device_id *id)
 {
-	struct device_node *np = client->dev.of_node, *child;
+	struct device_node *np, *child;
 	struct device *dev = &client->dev;
-	const struct of_device_id *match;
 	const struct tlc591xx *tlc591xx;
 	struct tlc591xx_priv *priv;
 	int err, count, reg;
 
-	match = of_match_device(of_tlc591xx_leds_match, dev);
-	if (!match)
-		return -ENODEV;
-
-	tlc591xx = match->data;
+	np = dev_of_node(dev);
 	if (!np)
 		return -ENODEV;
 
-	count = of_get_child_count(np);
+	tlc591xx = device_get_match_data(dev);
+	if (!tlc591xx)
+		return -ENODEV;
+
+	count = of_get_available_child_count(np);
 	if (!count || count > tlc591xx->max_leds)
 		return -EINVAL;
 
@@ -226,7 +180,16 @@
 
 	i2c_set_clientdata(client, priv);
 
-	for_each_child_of_node(np, child) {
+	err = tlc591xx_set_mode(priv->regmap, MODE2_DIM);
+	if (err < 0)
+		return err;
+
+	for_each_available_child_of_node(np, child) {
+		struct tlc591xx_led *led;
+		struct led_init_data init_data = {};
+
+		init_data.fwnode = of_fwnode_handle(child);
+
 		err = of_property_read_u32(child, "reg", &reg);
 		if (err) {
 			of_node_put(child);
@@ -237,22 +200,22 @@
 			of_node_put(child);
 			return -EINVAL;
 		}
-		priv->leds[reg].active = true;
-		priv->leds[reg].ldev.name =
-			of_get_property(child, "label", NULL) ? : child->name;
-		priv->leds[reg].ldev.default_trigger =
-			of_get_property(child, "linux,default-trigger", NULL);
+		led = &priv->leds[reg];
+
+		led->active = true;
+		led->priv = priv;
+		led->led_no = reg;
+		led->ldev.brightness_set_blocking = tlc591xx_brightness_set;
+		led->ldev.max_brightness = TLC591XX_MAX_BRIGHTNESS;
+		err = devm_led_classdev_register_ext(dev, &led->ldev,
+						     &init_data);
+		if (err < 0) {
+			of_node_put(child);
+			return dev_err_probe(dev, err,
+					     "couldn't register LED %s\n",
+					     led->ldev.name);
+		}
 	}
-	return tlc591xx_configure(dev, priv, tlc591xx);
-}
-
-static int
-tlc591xx_remove(struct i2c_client *client)
-{
-	struct tlc591xx_priv *priv = i2c_get_clientdata(client);
-
-	tlc591xx_destroy_devices(priv, TLC591XX_MAX_LEDS);
-
 	return 0;
 }
 
@@ -269,7 +232,6 @@
 		.of_match_table = of_match_ptr(of_tlc591xx_leds_match),
 	},
 	.probe = tlc591xx_probe,
-	.remove = tlc591xx_remove,
 	.id_table = tlc591xx_id,
 };
 
diff --git a/drivers/leds/leds-tps6105x.c b/drivers/leds/leds-tps6105x.c
new file mode 100644
index 0000000..09fd88a
--- /dev/null
+++ b/drivers/leds/leds-tps6105x.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2019 Sven Van Asbroeck
+ */
+
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/tps6105x.h>
+#include <linux/regmap.h>
+
+struct tps6105x_priv {
+	struct regmap *regmap;
+	struct led_classdev cdev;
+	struct fwnode_handle *fwnode;
+};
+
+static void tps6105x_handle_put(void *data)
+{
+	struct tps6105x_priv *priv = data;
+
+	fwnode_handle_put(priv->fwnode);
+}
+
+static int tps6105x_brightness_set(struct led_classdev *cdev,
+				  enum led_brightness brightness)
+{
+	struct tps6105x_priv *priv = container_of(cdev, struct tps6105x_priv,
+							cdev);
+
+	return regmap_update_bits(priv->regmap, TPS6105X_REG_0,
+				  TPS6105X_REG0_TORCHC_MASK,
+				  brightness << TPS6105X_REG0_TORCHC_SHIFT);
+}
+
+static int tps6105x_led_probe(struct platform_device *pdev)
+{
+	struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev);
+	struct tps6105x_platform_data *pdata = tps6105x->pdata;
+	struct led_init_data init_data = { };
+	struct tps6105x_priv *priv;
+	int ret;
+
+	/* This instance is not set for torch mode so bail out */
+	if (pdata->mode != TPS6105X_MODE_TORCH) {
+		dev_info(&pdev->dev,
+			"chip not in torch mode, exit probe");
+		return -EINVAL;
+	}
+
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+	/* fwnode/devicetree is optional. NULL is allowed for priv->fwnode */
+	priv->fwnode = device_get_next_child_node(pdev->dev.parent, NULL);
+	ret = devm_add_action_or_reset(&pdev->dev, tps6105x_handle_put, priv);
+	if (ret)
+		return ret;
+	priv->regmap = tps6105x->regmap;
+	priv->cdev.brightness_set_blocking = tps6105x_brightness_set;
+	priv->cdev.max_brightness = 7;
+	init_data.devicename = "tps6105x";
+	init_data.default_label = ":torch";
+	init_data.fwnode = priv->fwnode;
+
+	ret = regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
+				 TPS6105X_REG0_MODE_MASK |
+					TPS6105X_REG0_TORCHC_MASK,
+				 TPS6105X_REG0_MODE_TORCH <<
+					TPS6105X_REG0_MODE_SHIFT);
+	if (ret)
+		return ret;
+
+	return devm_led_classdev_register_ext(&pdev->dev, &priv->cdev,
+					      &init_data);
+}
+
+static struct platform_driver led_driver = {
+	.probe = tps6105x_led_probe,
+	.driver = {
+		.name = "tps6105x-leds",
+	},
+};
+
+module_platform_driver(led_driver);
+
+MODULE_DESCRIPTION("TPS6105x LED driver");
+MODULE_AUTHOR("Sven Van Asbroeck <TheSven73@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c
new file mode 100644
index 0000000..ec87a95
--- /dev/null
+++ b/drivers/leds/leds-turris-omnia.c
@@ -0,0 +1,296 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * CZ.NIC's Turris Omnia LEDs driver
+ *
+ * 2020 by Marek Behun <marek.behun@nic.cz>
+ */
+
+#include <linux/i2c.h>
+#include <linux/led-class-multicolor.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include "leds.h"
+
+#define OMNIA_BOARD_LEDS		12
+#define OMNIA_LED_NUM_CHANNELS		3
+
+#define CMD_LED_MODE			3
+#define CMD_LED_MODE_LED(l)		((l) & 0x0f)
+#define CMD_LED_MODE_USER		0x10
+
+#define CMD_LED_STATE			4
+#define CMD_LED_STATE_LED(l)		((l) & 0x0f)
+#define CMD_LED_STATE_ON		0x10
+
+#define CMD_LED_COLOR			5
+#define CMD_LED_SET_BRIGHTNESS		7
+#define CMD_LED_GET_BRIGHTNESS		8
+
+#define OMNIA_CMD			0
+
+#define OMNIA_CMD_LED_COLOR_LED		1
+#define OMNIA_CMD_LED_COLOR_R		2
+#define OMNIA_CMD_LED_COLOR_G		3
+#define OMNIA_CMD_LED_COLOR_B		4
+#define OMNIA_CMD_LED_COLOR_LEN		5
+
+struct omnia_led {
+	struct led_classdev_mc mc_cdev;
+	struct mc_subled subled_info[OMNIA_LED_NUM_CHANNELS];
+	int reg;
+};
+
+#define to_omnia_led(l)			container_of(l, struct omnia_led, mc_cdev)
+
+struct omnia_leds {
+	struct i2c_client *client;
+	struct mutex lock;
+	struct omnia_led leds[];
+};
+
+static int omnia_led_brightness_set_blocking(struct led_classdev *cdev,
+					     enum led_brightness brightness)
+{
+	struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(cdev);
+	struct omnia_leds *leds = dev_get_drvdata(cdev->dev->parent);
+	struct omnia_led *led = to_omnia_led(mc_cdev);
+	u8 buf[OMNIA_CMD_LED_COLOR_LEN], state;
+	int ret;
+
+	mutex_lock(&leds->lock);
+
+	led_mc_calc_color_components(&led->mc_cdev, brightness);
+
+	buf[OMNIA_CMD] = CMD_LED_COLOR;
+	buf[OMNIA_CMD_LED_COLOR_LED] = led->reg;
+	buf[OMNIA_CMD_LED_COLOR_R] = mc_cdev->subled_info[0].brightness;
+	buf[OMNIA_CMD_LED_COLOR_G] = mc_cdev->subled_info[1].brightness;
+	buf[OMNIA_CMD_LED_COLOR_B] = mc_cdev->subled_info[2].brightness;
+
+	state = CMD_LED_STATE_LED(led->reg);
+	if (buf[OMNIA_CMD_LED_COLOR_R] || buf[OMNIA_CMD_LED_COLOR_G] || buf[OMNIA_CMD_LED_COLOR_B])
+		state |= CMD_LED_STATE_ON;
+
+	ret = i2c_smbus_write_byte_data(leds->client, CMD_LED_STATE, state);
+	if (ret >= 0 && (state & CMD_LED_STATE_ON))
+		ret = i2c_master_send(leds->client, buf, 5);
+
+	mutex_unlock(&leds->lock);
+
+	return ret;
+}
+
+static int omnia_led_register(struct i2c_client *client, struct omnia_led *led,
+			      struct device_node *np)
+{
+	struct led_init_data init_data = {};
+	struct device *dev = &client->dev;
+	struct led_classdev *cdev;
+	int ret, color;
+
+	ret = of_property_read_u32(np, "reg", &led->reg);
+	if (ret || led->reg >= OMNIA_BOARD_LEDS) {
+		dev_warn(dev,
+			 "Node %pOF: must contain 'reg' property with values between 0 and %i\n",
+			 np, OMNIA_BOARD_LEDS - 1);
+		return 0;
+	}
+
+	ret = of_property_read_u32(np, "color", &color);
+	if (ret || color != LED_COLOR_ID_RGB) {
+		dev_warn(dev,
+			 "Node %pOF: must contain 'color' property with value LED_COLOR_ID_RGB\n",
+			 np);
+		return 0;
+	}
+
+	led->subled_info[0].color_index = LED_COLOR_ID_RED;
+	led->subled_info[0].channel = 0;
+	led->subled_info[1].color_index = LED_COLOR_ID_GREEN;
+	led->subled_info[1].channel = 1;
+	led->subled_info[2].color_index = LED_COLOR_ID_BLUE;
+	led->subled_info[2].channel = 2;
+
+	led->mc_cdev.subled_info = led->subled_info;
+	led->mc_cdev.num_colors = OMNIA_LED_NUM_CHANNELS;
+
+	init_data.fwnode = &np->fwnode;
+
+	cdev = &led->mc_cdev.led_cdev;
+	cdev->max_brightness = 255;
+	cdev->brightness_set_blocking = omnia_led_brightness_set_blocking;
+
+	/* put the LED into software mode */
+	ret = i2c_smbus_write_byte_data(client, CMD_LED_MODE,
+					CMD_LED_MODE_LED(led->reg) |
+					CMD_LED_MODE_USER);
+	if (ret < 0) {
+		dev_err(dev, "Cannot set LED %pOF to software mode: %i\n", np, ret);
+		return ret;
+	}
+
+	/* disable the LED */
+	ret = i2c_smbus_write_byte_data(client, CMD_LED_STATE, CMD_LED_STATE_LED(led->reg));
+	if (ret < 0) {
+		dev_err(dev, "Cannot set LED %pOF brightness: %i\n", np, ret);
+		return ret;
+	}
+
+	ret = devm_led_classdev_multicolor_register_ext(dev, &led->mc_cdev, &init_data);
+	if (ret < 0) {
+		dev_err(dev, "Cannot register LED %pOF: %i\n", np, ret);
+		return ret;
+	}
+
+	return 1;
+}
+
+/*
+ * On the front panel of the Turris Omnia router there is also a button which
+ * can be used to control the intensity of all the LEDs at once, so that if they
+ * are too bright, user can dim them.
+ * The microcontroller cycles between 8 levels of this global brightness (from
+ * 100% to 0%), but this setting can have any integer value between 0 and 100.
+ * It is therefore convenient to be able to change this setting from software.
+ * We expose this setting via a sysfs attribute file called "brightness". This
+ * file lives in the device directory of the LED controller, not an individual
+ * LED, so it should not confuse users.
+ */
+static ssize_t brightness_show(struct device *dev, struct device_attribute *a, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct omnia_leds *leds = i2c_get_clientdata(client);
+	int ret;
+
+	mutex_lock(&leds->lock);
+	ret = i2c_smbus_read_byte_data(client, CMD_LED_GET_BRIGHTNESS);
+	mutex_unlock(&leds->lock);
+
+	if (ret < 0)
+		return ret;
+
+	return sprintf(buf, "%d\n", ret);
+}
+
+static ssize_t brightness_store(struct device *dev, struct device_attribute *a, const char *buf,
+				size_t count)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct omnia_leds *leds = i2c_get_clientdata(client);
+	unsigned int brightness;
+	int ret;
+
+	if (sscanf(buf, "%u", &brightness) != 1)
+		return -EINVAL;
+
+	if (brightness > 100)
+		return -EINVAL;
+
+	mutex_lock(&leds->lock);
+	ret = i2c_smbus_write_byte_data(client, CMD_LED_SET_BRIGHTNESS, (u8) brightness);
+	mutex_unlock(&leds->lock);
+
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+static DEVICE_ATTR_RW(brightness);
+
+static struct attribute *omnia_led_controller_attrs[] = {
+	&dev_attr_brightness.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(omnia_led_controller);
+
+static int omnia_leds_probe(struct i2c_client *client,
+			    const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct device_node *np = dev_of_node(dev), *child;
+	struct omnia_leds *leds;
+	struct omnia_led *led;
+	int ret, count;
+
+	count = of_get_available_child_count(np);
+	if (!count) {
+		dev_err(dev, "LEDs are not defined in device tree!\n");
+		return -ENODEV;
+	} else if (count > OMNIA_BOARD_LEDS) {
+		dev_err(dev, "Too many LEDs defined in device tree!\n");
+		return -EINVAL;
+	}
+
+	leds = devm_kzalloc(dev, struct_size(leds, leds, count), GFP_KERNEL);
+	if (!leds)
+		return -ENOMEM;
+
+	leds->client = client;
+	i2c_set_clientdata(client, leds);
+
+	mutex_init(&leds->lock);
+
+	led = &leds->leds[0];
+	for_each_available_child_of_node(np, child) {
+		ret = omnia_led_register(client, led, child);
+		if (ret < 0) {
+			of_node_put(child);
+			return ret;
+		}
+
+		led += ret;
+	}
+
+	if (devm_device_add_groups(dev, omnia_led_controller_groups))
+		dev_warn(dev, "Could not add attribute group!\n");
+
+	return 0;
+}
+
+static int omnia_leds_remove(struct i2c_client *client)
+{
+	u8 buf[OMNIA_CMD_LED_COLOR_LEN];
+
+	/* put all LEDs into default (HW triggered) mode */
+	i2c_smbus_write_byte_data(client, CMD_LED_MODE,
+				  CMD_LED_MODE_LED(OMNIA_BOARD_LEDS));
+
+	/* set all LEDs color to [255, 255, 255] */
+	buf[OMNIA_CMD] = CMD_LED_COLOR;
+	buf[OMNIA_CMD_LED_COLOR_LED] = OMNIA_BOARD_LEDS;
+	buf[OMNIA_CMD_LED_COLOR_R] = 255;
+	buf[OMNIA_CMD_LED_COLOR_G] = 255;
+	buf[OMNIA_CMD_LED_COLOR_B] = 255;
+
+	i2c_master_send(client, buf, 5);
+
+	return 0;
+}
+
+static const struct of_device_id of_omnia_leds_match[] = {
+	{ .compatible = "cznic,turris-omnia-leds", },
+	{},
+};
+
+static const struct i2c_device_id omnia_id[] = {
+	{ "omnia", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, omnia_id);
+
+static struct i2c_driver omnia_leds_driver = {
+	.probe		= omnia_leds_probe,
+	.remove		= omnia_leds_remove,
+	.id_table	= omnia_id,
+	.driver		= {
+		.name	= "leds-turris-omnia",
+		.of_match_table = of_omnia_leds_match,
+	},
+};
+
+module_i2c_driver(omnia_leds_driver);
+
+MODULE_AUTHOR("Marek Behun <marek.behun@nic.cz>");
+MODULE_DESCRIPTION("CZ.NIC's Turris Omnia LEDs");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h
index 0b577ce..2d9eb48 100644
--- a/drivers/leds/leds.h
+++ b/drivers/leds/leds.h
@@ -23,6 +23,12 @@
 				enum led_brightness value);
 void led_set_brightness_nosleep(struct led_classdev *led_cdev,
 				enum led_brightness value);
+ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
+			struct bin_attribute *attr, char *buf,
+			loff_t pos, size_t count);
+ssize_t led_trigger_write(struct file *filp, struct kobject *kobj,
+			struct bin_attribute *bin_attr, char *buf,
+			loff_t pos, size_t count);
 
 extern struct rw_semaphore leds_list_lock;
 extern struct list_head leds_list;
diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c
index 6a72b7e..14ba7fa 100644
--- a/drivers/leds/trigger/ledtrig-activity.c
+++ b/drivers/leds/trigger/ledtrig-activity.c
@@ -57,11 +57,15 @@
 	curr_used = 0;
 
 	for_each_possible_cpu(i) {
-		curr_used += kcpustat_cpu(i).cpustat[CPUTIME_USER]
-			  +  kcpustat_cpu(i).cpustat[CPUTIME_NICE]
-			  +  kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]
-			  +  kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]
-			  +  kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
+		struct kernel_cpustat kcpustat;
+
+		kcpustat_cpu_fetch(&kcpustat, i);
+
+		curr_used += kcpustat.cpustat[CPUTIME_USER]
+			  +  kcpustat.cpustat[CPUTIME_NICE]
+			  +  kcpustat.cpustat[CPUTIME_SYSTEM]
+			  +  kcpustat.cpustat[CPUTIME_SOFTIRQ]
+			  +  kcpustat.cpustat[CPUTIME_IRQ];
 		cpus++;
 	}
 
diff --git a/drivers/leds/trigger/ledtrig-cpu.c b/drivers/leds/trigger/ledtrig-cpu.c
index 869976d..fca62d5 100644
--- a/drivers/leds/trigger/ledtrig-cpu.c
+++ b/drivers/leds/trigger/ledtrig-cpu.c
@@ -2,14 +2,18 @@
 /*
  * ledtrig-cpu.c - LED trigger based on CPU activity
  *
- * This LED trigger will be registered for each possible CPU and named as
- * cpu0, cpu1, cpu2, cpu3, etc.
+ * This LED trigger will be registered for first 8 CPUs and named
+ * as cpu0..cpu7. There's additional trigger called cpu that
+ * is on when any CPU is active.
+ *
+ * If you want support for arbitrary number of CPUs, make it one trigger,
+ * with additional sysfs file selecting which CPU to watch.
  *
  * It can be bound to any LED just like other triggers using either a
  * board file or via sysfs interface.
  *
  * An API named ledtrig_cpu is exported for any user, who want to add CPU
- * activity indication in their code
+ * activity indication in their code.
  *
  * Copyright 2011 Linus Walleij <linus.walleij@linaro.org>
  * Copyright 2011 - 2012 Bryan Wu <bryan.wu@canonical.com>
@@ -145,6 +149,9 @@
 	for_each_possible_cpu(cpu) {
 		struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
 
+		if (cpu >= 8)
+			continue;
+
 		snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
 
 		led_trigger_register_simple(trig->name, &trig->_trig);
diff --git a/drivers/leds/trigger/ledtrig-gpio.c b/drivers/leds/trigger/ledtrig-gpio.c
index dc64679..0120faa 100644
--- a/drivers/leds/trigger/ledtrig-gpio.c
+++ b/drivers/leds/trigger/ledtrig-gpio.c
@@ -99,7 +99,8 @@
 	gpio_data->inverted = inverted;
 
 	/* After inverting, we need to update the LED. */
-	gpio_trig_irq(0, led);
+	if (gpio_is_valid(gpio_data->gpio))
+		gpio_trig_irq(0, led);
 
 	return n;
 }
diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c
index 718729c..4d138d5 100644
--- a/drivers/leds/trigger/ledtrig-pattern.c
+++ b/drivers/leds/trigger/ledtrig-pattern.c
@@ -227,10 +227,12 @@
 
 	while (offset < count - 1 && data->npatterns < MAX_PATTERNS) {
 		cr = 0;
-		ccount = sscanf(buf + offset, "%d %u %n",
+		ccount = sscanf(buf + offset, "%u %u %n",
 				&data->patterns[data->npatterns].brightness,
 				&data->patterns[data->npatterns].delta_t, &cr);
-		if (ccount != 2) {
+
+		if (ccount != 2 ||
+		    data->patterns[data->npatterns].brightness > data->led_cdev->max_brightness) {
 			data->npatterns = 0;
 			return -EINVAL;
 		}
@@ -455,7 +457,7 @@
 module_init(pattern_trig_init);
 module_exit(pattern_trig_exit);
 
-MODULE_AUTHOR("Raphael Teysseyre <rteysseyre@gmail.com");
-MODULE_AUTHOR("Baolin Wang <baolin.wang@linaro.org");
+MODULE_AUTHOR("Raphael Teysseyre <rteysseyre@gmail.com>");
+MODULE_AUTHOR("Baolin Wang <baolin.wang@linaro.org>");
 MODULE_DESCRIPTION("LED Pattern trigger");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/trigger/ledtrig-timer.c b/drivers/leds/trigger/ledtrig-timer.c
index 34a6860..b4688d1 100644
--- a/drivers/leds/trigger/ledtrig-timer.c
+++ b/drivers/leds/trigger/ledtrig-timer.c
@@ -28,7 +28,7 @@
 {
 	struct led_classdev *led_cdev = led_trigger_get_led(dev);
 	unsigned long state;
-	ssize_t ret = -EINVAL;
+	ssize_t ret;
 
 	ret = kstrtoul(buf, 10, &state);
 	if (ret)
@@ -53,7 +53,7 @@
 {
 	struct led_classdev *led_cdev = led_trigger_get_led(dev);
 	unsigned long state;
-	ssize_t ret = -EINVAL;
+	ssize_t ret;
 
 	ret = kstrtoul(buf, 10, &state);
 	if (ret)