Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index aeb2eed..3683d6f 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -1,131 +1,10 @@
-config ARCH_SHMOBILE
- bool
-
-config PM_RMOBILE
- bool
- select PM
- select PM_GENERIC_DOMAINS
-
-config ARCH_RCAR_GEN1
- bool
- select PM
- select PM_GENERIC_DOMAINS
- select RENESAS_INTC_IRQPIN
- select SYS_SUPPORTS_SH_TMU
-
-config ARCH_RCAR_GEN2
- bool
- select HAVE_ARM_ARCH_TIMER
- select PM
- select PM_GENERIC_DOMAINS
- select RENESAS_IRQC
- select SYS_SUPPORTS_SH_CMT
-
-config ARCH_RMOBILE
- bool
- select PM_RMOBILE
- select SYS_SUPPORTS_SH_CMT
- select SYS_SUPPORTS_SH_TMU
-
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_RENESAS
bool "Renesas ARM SoCs"
depends on ARCH_MULTI_V7 && MMU
- select ARCH_SHMOBILE
select ARM_GIC
select GPIOLIB
- select HAVE_ARM_SCU if SMP
- select HAVE_ARM_TWD if SMP
select NO_IOPORT_MAP
select PINCTRL
select SOC_BUS
select ZONE_DMA if ARM_LPAE
-
-if ARCH_RENESAS
-
-#comment "Renesas ARM SoCs System Type"
-
-config ARCH_EMEV2
- bool "Emma Mobile EV2"
- select SYS_SUPPORTS_EM_STI
-
-config ARCH_R7S72100
- bool "RZ/A1H (R7S72100)"
- select PM
- select PM_GENERIC_DOMAINS
- select SYS_SUPPORTS_SH_MTU2
- select RENESAS_OSTM
-
-config ARCH_R8A73A4
- bool "R-Mobile APE6 (R8A73A40)"
- select ARCH_RMOBILE
- select ARM_ERRATA_798181 if SMP
- select HAVE_ARM_ARCH_TIMER
- select RENESAS_IRQC
-
-config ARCH_R8A7740
- bool "R-Mobile A1 (R8A77400)"
- select ARCH_RMOBILE
- select RENESAS_INTC_IRQPIN
-
-config ARCH_R8A7743
- bool "RZ/G1M (R8A77430)"
- select ARCH_RCAR_GEN2
- select ARM_ERRATA_798181 if SMP
-
-config ARCH_R8A7745
- bool "RZ/G1E (R8A77450)"
- select ARCH_RCAR_GEN2
-
-config ARCH_R8A77470
- bool "RZ/G1C (R8A77470)"
- select ARCH_RCAR_GEN2
-
-config ARCH_R8A7778
- bool "R-Car M1A (R8A77781)"
- select ARCH_RCAR_GEN1
-
-config ARCH_R8A7779
- bool "R-Car H1 (R8A77790)"
- select ARCH_RCAR_GEN1
-
-config ARCH_R8A7790
- bool "R-Car H2 (R8A77900)"
- select ARCH_RCAR_GEN2
- select ARM_ERRATA_798181 if SMP
- select I2C
-
-config ARCH_R8A7791
- bool "R-Car M2-W (R8A77910)"
- select ARCH_RCAR_GEN2
- select ARM_ERRATA_798181 if SMP
- select I2C
-
-config ARCH_R8A7792
- bool "R-Car V2H (R8A77920)"
- select ARCH_RCAR_GEN2
- select ARM_ERRATA_798181 if SMP
-
-config ARCH_R8A7793
- bool "R-Car M2-N (R8A7793)"
- select ARCH_RCAR_GEN2
- select ARM_ERRATA_798181 if SMP
- select I2C
-
-config ARCH_R8A7794
- bool "R-Car E2 (R8A77940)"
- select ARCH_RCAR_GEN2
-
-config ARCH_R9A06G032
- bool "RZ/N1D (R9A06G032)"
- select ARCH_RZN1
-
-config ARCH_RZN1
- bool "RZ/N1 (R9A06G0xx) Family"
- select ARM_AMBA
- select CPU_V7
-
-config ARCH_SH73A0
- bool "SH-Mobile AG5 (R8A73A00)"
- select ARCH_RMOBILE
- select RENESAS_INTC_IRQPIN
-endif
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index b33dc59..f7bf17b 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -14,6 +14,7 @@
obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o
obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o
obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o
+obj-$(CONFIG_ARCH_R7S9210) += setup-r7s9210.o
# CPU reset vector handling objects
cpu-y := platsmp.o headsmp.o
@@ -34,7 +35,6 @@
# PM objects
obj-$(CONFIG_SUSPEND) += suspend.o
-obj-$(CONFIG_PM_RMOBILE) += pm-rmobile.o
obj-$(CONFIG_ARCH_RCAR_GEN2) += pm-rcar-gen2.o
# Framework support
diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S
index 936d701..d023429 100644
--- a/arch/arm/mach-shmobile/headsmp-scu.S
+++ b/arch/arm/mach-shmobile/headsmp-scu.S
@@ -1,17 +1,8 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0+
+ *
* Shared SCU setup for mach-shmobile
*
* Copyright (C) 2012 Bastian Hecht
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/linkage.h>
diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S
index cef8e8c..9466ae6 100644
--- a/arch/arm/mach-shmobile/headsmp.S
+++ b/arch/arm/mach-shmobile/headsmp.S
@@ -1,14 +1,11 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
* SMP support for R-Mobile / SH-Mobile
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2010 Takashi Yoshii
*
* Based on vexpress, Copyright (c) 2003 ARM Limited, All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/linkage.h>
diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c
index f1a1efd..fcfcef1 100644
--- a/arch/arm/mach-shmobile/platsmp-scu.c
+++ b/arch/arm/mach-shmobile/platsmp-scu.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for SoCs with SCU covered by mach-shmobile
*
* Copyright (C) 2013 Magnus Damm
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/cpu.h>
#include <linux/delay.h>
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index b23378f..7437c01 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for R-Mobile / SH-Mobile
*
@@ -5,10 +6,6 @@
* Copyright (C) 2011 Paul Mundt
*
* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <asm/cacheflush.h>
diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 345af3e..e84599d 100644
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* R-Car Generation 2 Power management support
*
* Copyright (C) 2013 - 2015 Renesas Electronics Corporation
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/kernel.h>
@@ -50,7 +47,7 @@
void __iomem *p;
u32 bar;
static int once;
- struct device_node *np, *cpus;
+ struct device_node *np;
bool has_a7 = false;
bool has_a15 = false;
struct resource res;
@@ -59,11 +56,7 @@
if (once++)
return;
- cpus = of_find_node_by_path("/cpus");
- if (!cpus)
- return;
-
- for_each_child_of_node(cpus, np) {
+ for_each_of_cpu_node(np) {
if (of_device_is_compatible(np, "arm,cortex-a15"))
has_a15 = true;
else if (of_device_is_compatible(np, "arm,cortex-a7"))
@@ -79,6 +72,7 @@
}
error = of_address_to_resource(np, 0, &res);
+ of_node_put(np);
if (error) {
pr_err("Failed to get smp-sram address: %d\n", error);
return;
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
deleted file mode 100644
index e348bcf..0000000
--- a/arch/arm/mach-shmobile/pm-rmobile.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * rmobile power management support
- *
- * Copyright (C) 2012 Renesas Solutions Corp.
- * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- * Copyright (C) 2014 Glider bvba
- *
- * based on pm-sh7372.c
- * Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/clk/renesas.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/pm.h>
-#include <linux/pm_clock.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
-
-#include "pm-rmobile.h"
-
-/* SYSC */
-#define SPDCR 0x08 /* SYS Power Down Control Register */
-#define SWUCR 0x14 /* SYS Wakeup Control Register */
-#define PSTR 0x80 /* Power Status Register */
-
-#define PSTR_RETRIES 100
-#define PSTR_DELAY_US 10
-
-static inline
-struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rmobile_pm_domain, genpd);
-}
-
-static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
-{
- struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
- unsigned int mask;
-
- if (rmobile_pd->bit_shift == ~0)
- return -EBUSY;
-
- mask = BIT(rmobile_pd->bit_shift);
- if (rmobile_pd->suspend) {
- int ret = rmobile_pd->suspend();
-
- if (ret)
- return ret;
- }
-
- if (__raw_readl(rmobile_pd->base + PSTR) & mask) {
- unsigned int retry_count;
- __raw_writel(mask, rmobile_pd->base + SPDCR);
-
- for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
- if (!(__raw_readl(rmobile_pd->base + SPDCR) & mask))
- break;
- cpu_relax();
- }
- }
-
- if (!rmobile_pd->no_debug)
- pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
- genpd->name, mask,
- __raw_readl(rmobile_pd->base + PSTR));
-
- return 0;
-}
-
-static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd,
- bool do_resume)
-{
- unsigned int mask;
- unsigned int retry_count;
- int ret = 0;
-
- if (rmobile_pd->bit_shift == ~0)
- return 0;
-
- mask = BIT(rmobile_pd->bit_shift);
- if (__raw_readl(rmobile_pd->base + PSTR) & mask)
- goto out;
-
- __raw_writel(mask, rmobile_pd->base + SWUCR);
-
- for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
- if (!(__raw_readl(rmobile_pd->base + SWUCR) & mask))
- break;
- if (retry_count > PSTR_RETRIES)
- udelay(PSTR_DELAY_US);
- else
- cpu_relax();
- }
- if (!retry_count)
- ret = -EIO;
-
- if (!rmobile_pd->no_debug)
- pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
- rmobile_pd->genpd.name, mask,
- __raw_readl(rmobile_pd->base + PSTR));
-
-out:
- if (ret == 0 && rmobile_pd->resume && do_resume)
- rmobile_pd->resume();
-
- return ret;
-}
-
-static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
-{
- return __rmobile_pd_power_up(to_rmobile_pd(genpd), true);
-}
-
-static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
-{
- struct generic_pm_domain *genpd = &rmobile_pd->genpd;
- struct dev_power_governor *gov = rmobile_pd->gov;
-
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->power_off = rmobile_pd_power_down;
- genpd->power_on = rmobile_pd_power_up;
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
- __rmobile_pd_power_up(rmobile_pd, false);
- pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
-}
-
-static int rmobile_pd_suspend_console(void)
-{
- /*
- * Serial consoles make use of SCIF hardware located in this domain,
- * hence keep the power domain on if "no_console_suspend" is set.
- */
- return console_suspend_enabled ? 0 : -EBUSY;
-}
-
-enum pd_types {
- PD_NORMAL,
- PD_CPU,
- PD_CONSOLE,
- PD_DEBUG,
- PD_MEMCTL,
-};
-
-#define MAX_NUM_SPECIAL_PDS 16
-
-static struct special_pd {
- struct device_node *pd;
- enum pd_types type;
-} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
-
-static unsigned int num_special_pds __initdata;
-
-static const struct of_device_id special_ids[] __initconst = {
- { .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
- { .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
- { /* sentinel */ },
-};
-
-static void __init add_special_pd(struct device_node *np, enum pd_types type)
-{
- unsigned int i;
- struct device_node *pd;
-
- pd = of_parse_phandle(np, "power-domains", 0);
- if (!pd)
- return;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd && type == special_pds[i].type) {
- of_node_put(pd);
- return;
- }
-
- if (num_special_pds == ARRAY_SIZE(special_pds)) {
- pr_warn("Too many special PM domains\n");
- of_node_put(pd);
- return;
- }
-
- pr_debug("Special PM domain %s type %d for %pOF\n", pd->name, type, np);
-
- special_pds[num_special_pds].pd = pd;
- special_pds[num_special_pds].type = type;
- num_special_pds++;
-}
-
-static void __init get_special_pds(void)
-{
- struct device_node *np;
- const struct of_device_id *id;
-
- /* PM domains containing CPUs */
- for_each_node_by_type(np, "cpu")
- add_special_pd(np, PD_CPU);
-
- /* PM domain containing console */
- if (of_stdout)
- add_special_pd(of_stdout, PD_CONSOLE);
-
- /* PM domains containing other special devices */
- for_each_matching_node_and_match(np, special_ids, &id)
- add_special_pd(np, (enum pd_types)id->data);
-}
-
-static void __init put_special_pds(void)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- of_node_put(special_pds[i].pd);
-}
-
-static enum pd_types __init pd_type(const struct device_node *pd)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd)
- return special_pds[i].type;
-
- return PD_NORMAL;
-}
-
-static void __init rmobile_setup_pm_domain(struct device_node *np,
- struct rmobile_pm_domain *pd)
-{
- const char *name = pd->genpd.name;
-
- switch (pd_type(np)) {
- case PD_CPU:
- /*
- * This domain contains the CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains CPU\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_CONSOLE:
- pr_debug("PM domain %s contains serial console\n", name);
- pd->gov = &pm_domain_always_on_gov;
- pd->suspend = rmobile_pd_suspend_console;
- break;
-
- case PD_DEBUG:
- /*
- * This domain contains the Coresight-ETM hardware block and
- * therefore it should only be turned off if the debug module
- * is not in use.
- */
- pr_debug("PM domain %s contains Coresight-ETM\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_MEMCTL:
- /*
- * This domain contains a memory-controller and therefore it
- * should only be turned off if memory is not in use.
- */
- pr_debug("PM domain %s contains MEMCTL\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_NORMAL:
- break;
- }
-
- rmobile_init_pm_domain(pd);
-}
-
-static int __init rmobile_add_pm_domains(void __iomem *base,
- struct device_node *parent,
- struct generic_pm_domain *genpd_parent)
-{
- struct device_node *np;
-
- for_each_child_of_node(parent, np) {
- struct rmobile_pm_domain *pd;
- u32 idx = ~0;
-
- if (of_property_read_u32(np, "reg", &idx)) {
- /* always-on domain */
- }
-
- pd = kzalloc(sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- pd->genpd.name = np->name;
- pd->base = base;
- pd->bit_shift = idx;
-
- rmobile_setup_pm_domain(np, pd);
- if (genpd_parent)
- pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
- of_genpd_add_provider_simple(np, &pd->genpd);
-
- rmobile_add_pm_domains(base, np, &pd->genpd);
- }
- return 0;
-}
-
-static int __init rmobile_init_pm_domains(void)
-{
- struct device_node *np, *pmd;
- bool scanned = false;
- void __iomem *base;
- int ret = 0;
-
- for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF cannot map reg 0\n", np);
- continue;
- }
-
- pmd = of_get_child_by_name(np, "pm-domains");
- if (!pmd) {
- pr_warn("%pOF lacks pm-domains node\n", np);
- continue;
- }
-
- if (!scanned) {
- /* Find PM domains containing special blocks */
- get_special_pds();
- scanned = true;
- }
-
- ret = rmobile_add_pm_domains(base, pmd, NULL);
- of_node_put(pmd);
- if (ret) {
- of_node_put(np);
- break;
- }
- }
-
- put_special_pds();
-
- return ret;
-}
-
-core_initcall(rmobile_init_pm_domains);
diff --git a/arch/arm/mach-shmobile/pm-rmobile.h b/arch/arm/mach-shmobile/pm-rmobile.h
deleted file mode 100644
index 8146bb6..0000000
--- a/arch/arm/mach-shmobile/pm-rmobile.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2012 Renesas Solutions Corp.
- *
- * Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef PM_RMOBILE_H
-#define PM_RMOBILE_H
-
-#include <linux/pm_domain.h>
-
-struct rmobile_pm_domain {
- struct generic_pm_domain genpd;
- struct dev_power_governor *gov;
- int (*suspend)(void);
- void (*resume)(void);
- void __iomem *base;
- unsigned int bit_shift;
- bool no_debug;
-};
-
-#endif /* PM_RMOBILE_H */
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 21ebc76..ee94925 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * R-Car Generation 2 da9063/da9210 regulator quirk
+ * R-Car Generation 2 da9063(L)/da9210 regulator quirk
*
* Certain Gen2 development boards have an da9063 and one or more da9210
* regulators. All of these regulators have their interrupt request lines
@@ -23,11 +23,12 @@
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/mfd/da9063/registers.h>
-
#define IRQC_BASE 0xe61c0000
#define IRQC_MONITOR 0x104 /* IRQn Signal Level Monitor Register */
@@ -36,34 +37,47 @@
/* start of DA9210 System Control and Event Registers */
#define DA9210_REG_MASK_A 0x54
+struct regulator_quirk {
+ struct list_head list;
+ const struct of_device_id *id;
+ struct device_node *np;
+ struct of_phandle_args irq_args;
+ struct i2c_msg i2c_msg;
+ bool shared; /* IRQ line is shared */
+};
+
+static LIST_HEAD(quirk_list);
static void __iomem *irqc;
/* first byte sets the memory pointer, following are consecutive reg values */
static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff };
static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff };
-static struct i2c_msg da9xxx_msgs[3] = {
- {
- .addr = 0x58,
- .len = ARRAY_SIZE(da9063_irq_clr),
- .buf = da9063_irq_clr,
- }, {
- .addr = 0x68,
- .len = ARRAY_SIZE(da9210_irq_clr),
- .buf = da9210_irq_clr,
- }, {
- .addr = 0x70,
- .len = ARRAY_SIZE(da9210_irq_clr),
- .buf = da9210_irq_clr,
- },
+static struct i2c_msg da9063_msg = {
+ .len = ARRAY_SIZE(da9063_irq_clr),
+ .buf = da9063_irq_clr,
+};
+
+static struct i2c_msg da9210_msg = {
+ .len = ARRAY_SIZE(da9210_irq_clr),
+ .buf = da9210_irq_clr,
+};
+
+static const struct of_device_id rcar_gen2_quirk_match[] = {
+ { .compatible = "dlg,da9063", .data = &da9063_msg },
+ { .compatible = "dlg,da9063l", .data = &da9063_msg },
+ { .compatible = "dlg,da9210", .data = &da9210_msg },
+ {},
};
static int regulator_quirk_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
+ struct regulator_quirk *pos, *tmp;
struct device *dev = data;
struct i2c_client *client;
static bool done;
+ int ret;
u32 mon;
if (done)
@@ -80,17 +94,23 @@
client = to_i2c_client(dev);
dev_dbg(dev, "Detected %s\n", client->name);
- if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) ||
- (client->addr == 0x68 && !strcmp(client->name, "da9210")) ||
- (client->addr == 0x70 && !strcmp(client->name, "da9210"))) {
- int ret, len;
+ /*
+ * Send message to all PMICs that share an IRQ line to deassert it.
+ *
+ * WARNING: This works only if all the PMICs are on the same I2C bus.
+ */
+ list_for_each_entry(pos, &quirk_list, list) {
+ if (!pos->shared)
+ continue;
- /* There are two DA9210 on Stout, one on the other boards. */
- len = of_machine_is_compatible("renesas,stout") ? 3 : 2;
+ if (pos->np->parent != client->dev.parent->of_node)
+ continue;
- dev_info(&client->dev, "clearing da9063/da9210 interrupts\n");
- ret = i2c_transfer(client->adapter, da9xxx_msgs, len);
- if (ret != len)
+ dev_info(&client->dev, "clearing %s@0x%02x interrupts\n",
+ pos->id->compatible, pos->i2c_msg.addr);
+
+ ret = i2c_transfer(client->adapter, &pos->i2c_msg, 1);
+ if (ret != 1)
dev_err(&client->dev, "i2c error %d\n", ret);
}
@@ -103,6 +123,11 @@
remove:
dev_info(dev, "IRQ2 is not asserted, removing quirk\n");
+ list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
+ list_del(&pos->list);
+ kfree(pos);
+ }
+
done = true;
iounmap(irqc);
return 0;
@@ -114,30 +139,93 @@
static int __init rcar_gen2_regulator_quirk(void)
{
- u32 mon;
+ struct regulator_quirk *quirk, *pos, *tmp;
+ struct of_phandle_args *argsa, *argsb;
+ const struct of_device_id *id;
+ struct device_node *np;
+ u32 mon, addr;
+ int ret;
if (!of_machine_is_compatible("renesas,koelsch") &&
!of_machine_is_compatible("renesas,lager") &&
+ !of_machine_is_compatible("renesas,porter") &&
!of_machine_is_compatible("renesas,stout") &&
!of_machine_is_compatible("renesas,gose"))
return -ENODEV;
+ for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) {
+ if (!of_device_is_available(np))
+ break;
+
+ ret = of_property_read_u32(np, "reg", &addr);
+ if (ret) /* Skip invalid entry and continue */
+ continue;
+
+ quirk = kzalloc(sizeof(*quirk), GFP_KERNEL);
+ if (!quirk) {
+ ret = -ENOMEM;
+ goto err_mem;
+ }
+
+ argsa = &quirk->irq_args;
+ memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg));
+
+ quirk->id = id;
+ quirk->np = np;
+ quirk->i2c_msg.addr = addr;
+
+ ret = of_irq_parse_one(np, 0, argsa);
+ if (ret) { /* Skip invalid entry and continue */
+ kfree(quirk);
+ continue;
+ }
+
+ list_for_each_entry(pos, &quirk_list, list) {
+ argsb = &pos->irq_args;
+
+ if (argsa->args_count != argsb->args_count)
+ continue;
+
+ ret = memcmp(argsa->args, argsb->args,
+ argsa->args_count *
+ sizeof(argsa->args[0]));
+ if (!ret) {
+ pos->shared = true;
+ quirk->shared = true;
+ }
+ }
+
+ list_add_tail(&quirk->list, &quirk_list);
+ }
+
irqc = ioremap(IRQC_BASE, PAGE_SIZE);
- if (!irqc)
- return -ENOMEM;
+ if (!irqc) {
+ ret = -ENOMEM;
+ goto err_mem;
+ }
mon = ioread32(irqc + IRQC_MONITOR);
if (mon & REGULATOR_IRQ_MASK) {
pr_debug("%s: IRQ2 is not asserted, not installing quirk\n",
__func__);
- iounmap(irqc);
- return 0;
+ ret = 0;
+ goto err_free;
}
- pr_info("IRQ2 is asserted, installing da9063/da9210 regulator quirk\n");
+ pr_info("IRQ2 is asserted, installing regulator quirk\n");
bus_register_notifier(&i2c_bus_type, ®ulator_quirk_nb);
return 0;
+
+err_free:
+ iounmap(irqc);
+err_mem:
+ list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
+ list_del(&pos->list);
+ kfree(pos);
+ }
+
+ return ret;
}
arch_initcall(rcar_gen2_regulator_quirk);
diff --git a/arch/arm/mach-shmobile/setup-r7s9210.c b/arch/arm/mach-shmobile/setup-r7s9210.c
new file mode 100644
index 0000000..573fb99
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-r7s9210.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * r7s9210 processor support
+ *
+ * Copyright (C) 2018 Renesas Electronics Corporation
+ * Copyright (C) 2018 Chris Brandt
+ *
+ */
+
+#include <linux/kernel.h>
+
+#include <asm/mach/arch.h>
+
+#include "common.h"
+
+static const char *const r7s9210_boards_compat_dt[] __initconst = {
+ "renesas,r7s9210",
+ NULL,
+};
+
+DT_MACHINE_START(R7S72100_DT, "Generic R7S9210 (Flattened Device Tree)")
+ .l2c_aux_val = 0,
+ .l2c_aux_mask = ~0,
+ .init_early = shmobile_init_delay,
+ .init_late = shmobile_init_late,
+ .dt_compat = r7s9210_boards_compat_dt,
+MACHINE_END
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index d589326..b13ec90 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -7,9 +7,7 @@
* Copyright (C) 2013 Cogent Embedded, Inc.
*/
#include <linux/init.h>
-#include <linux/irq.h>
#include <linux/irqchip.h>
-#include <linux/irqchip/arm-gic.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 013acc9..9e4bc18 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -17,6 +17,7 @@
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
+#include <linux/psci.h>
#include <asm/mach/arch.h>
#include <asm/secure_cntvoff.h>
#include "common.h"
@@ -25,6 +26,7 @@
static const struct of_device_id cpg_matches[] __initconst = {
{ .compatible = "renesas,rcar-gen2-cpg-clocks", },
{ .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" },
+ { .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7791-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7793-cpg-mssr", .data = "extal" },
@@ -59,9 +61,24 @@
void __init rcar_gen2_timer_init(void)
{
+ bool need_update = true;
void __iomem *base;
u32 freq;
+ /*
+ * If PSCI is available then most likely we are running on PSCI-enabled
+ * U-Boot which, we assume, has already taken care of resetting CNTVOFF
+ * and updating counter module before switching to non-secure mode
+ * and we don't need to.
+ */
+#ifdef CONFIG_ARM_PSCI_FW
+ if (psci_ops.cpu_on)
+ need_update = false;
+#endif
+
+ if (need_update == false)
+ goto skip_update;
+
secure_cntvoff_init();
if (of_machine_is_compatible("renesas,r8a7745") ||
@@ -101,6 +118,7 @@
iounmap(base);
+skip_update:
of_clk_init(NULL);
timer_probe();
}
@@ -193,6 +211,7 @@
static const char * const rz_g1_boards_compat_dt[] __initconst = {
"renesas,r8a7743",
+ "renesas,r8a7744",
"renesas,r8a7745",
"renesas,r8a77470",
NULL,
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 4113740..0403aa8 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for R-Mobile / SH-Mobile - sh73a0 portion
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2010 Takashi Yoshii
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
@@ -20,7 +12,6 @@
#include <linux/delay.h>
#include <asm/smp_plat.h>
-#include <asm/smp_twd.h>
#include "common.h"
#include "sh73a0.h"
diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c
index 74b30ba..3969a49 100644
--- a/arch/arm/mach-shmobile/suspend.c
+++ b/arch/arm/mach-shmobile/suspend.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suspend-to-RAM support code for SH-Mobile ARM
*
* Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/pm.h>
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
index 828e8ae..2335311 100644
--- a/arch/arm/mach-shmobile/timer.c
+++ b/arch/arm/mach-shmobile/timer.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SH-Mobile Timer
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2002 - 2009 Paul Mundt
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/platform_device.h>
#include <linux/clocksource.h>
@@ -22,22 +14,16 @@
void __init shmobile_init_delay(void)
{
- struct device_node *np, *cpus;
+ struct device_node *np;
u32 max_freq = 0;
- cpus = of_find_node_by_path("/cpus");
- if (!cpus)
- return;
-
- for_each_child_of_node(cpus, np) {
+ for_each_of_cpu_node(np) {
u32 freq;
if (!of_property_read_u32(np, "clock-frequency", &freq))
max_freq = max(max_freq, freq);
}
- of_node_put(cpus);
-
if (!max_freq)
return;