v4.19.13 snapshot.
diff --git a/include/linux/mfd/max8925.h b/include/linux/mfd/max8925.h
new file mode 100644
index 0000000..ce8502e
--- /dev/null
+++ b/include/linux/mfd/max8925.h
@@ -0,0 +1,277 @@
+/*
+ * Maxim8925 Interface
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_MAX8925_H
+#define __LINUX_MFD_MAX8925_H
+
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+
+/* Unified sub device IDs for MAX8925 */
+enum {
+ MAX8925_ID_SD1,
+ MAX8925_ID_SD2,
+ MAX8925_ID_SD3,
+ MAX8925_ID_LDO1,
+ MAX8925_ID_LDO2,
+ MAX8925_ID_LDO3,
+ MAX8925_ID_LDO4,
+ MAX8925_ID_LDO5,
+ MAX8925_ID_LDO6,
+ MAX8925_ID_LDO7,
+ MAX8925_ID_LDO8,
+ MAX8925_ID_LDO9,
+ MAX8925_ID_LDO10,
+ MAX8925_ID_LDO11,
+ MAX8925_ID_LDO12,
+ MAX8925_ID_LDO13,
+ MAX8925_ID_LDO14,
+ MAX8925_ID_LDO15,
+ MAX8925_ID_LDO16,
+ MAX8925_ID_LDO17,
+ MAX8925_ID_LDO18,
+ MAX8925_ID_LDO19,
+ MAX8925_ID_LDO20,
+ MAX8925_ID_MAX,
+};
+
+enum {
+ /*
+ * Charging current threshold trigger going from fast charge
+ * to TOPOFF charge. From 5% to 20% of fasting charging current.
+ */
+ MAX8925_TOPOFF_THR_5PER,
+ MAX8925_TOPOFF_THR_10PER,
+ MAX8925_TOPOFF_THR_15PER,
+ MAX8925_TOPOFF_THR_20PER,
+};
+
+enum {
+ /* Fast charging current */
+ MAX8925_FCHG_85MA,
+ MAX8925_FCHG_300MA,
+ MAX8925_FCHG_460MA,
+ MAX8925_FCHG_600MA,
+ MAX8925_FCHG_700MA,
+ MAX8925_FCHG_800MA,
+ MAX8925_FCHG_900MA,
+ MAX8925_FCHG_1000MA,
+};
+
+/* Charger registers */
+#define MAX8925_CHG_IRQ1 (0x7e)
+#define MAX8925_CHG_IRQ2 (0x7f)
+#define MAX8925_CHG_IRQ1_MASK (0x80)
+#define MAX8925_CHG_IRQ2_MASK (0x81)
+#define MAX8925_CHG_STATUS (0x82)
+
+/* GPM registers */
+#define MAX8925_SYSENSEL (0x00)
+#define MAX8925_ON_OFF_IRQ1 (0x01)
+#define MAX8925_ON_OFF_IRQ1_MASK (0x02)
+#define MAX8925_ON_OFF_STATUS (0x03)
+#define MAX8925_ON_OFF_IRQ2 (0x0d)
+#define MAX8925_ON_OFF_IRQ2_MASK (0x0e)
+#define MAX8925_RESET_CNFG (0x0f)
+
+/* Touch registers */
+#define MAX8925_TSC_IRQ (0x00)
+#define MAX8925_TSC_IRQ_MASK (0x01)
+#define MAX8925_TSC_CNFG1 (0x02)
+#define MAX8925_ADC_SCHED (0x10)
+#define MAX8925_ADC_RES_END (0x6f)
+
+#define MAX8925_NREF_OK (1 << 4)
+
+/* RTC registers */
+#define MAX8925_ALARM0_CNTL (0x18)
+#define MAX8925_ALARM1_CNTL (0x19)
+#define MAX8925_RTC_IRQ (0x1c)
+#define MAX8925_RTC_IRQ_MASK (0x1d)
+#define MAX8925_MPL_CNTL (0x1e)
+
+/* WLED registers */
+#define MAX8925_WLED_MODE_CNTL (0x84)
+#define MAX8925_WLED_CNTL (0x85)
+
+/* MAX8925 Registers */
+#define MAX8925_SDCTL1 (0x04)
+#define MAX8925_SDCTL2 (0x07)
+#define MAX8925_SDCTL3 (0x0A)
+#define MAX8925_SDV1 (0x06)
+#define MAX8925_SDV2 (0x09)
+#define MAX8925_SDV3 (0x0C)
+#define MAX8925_LDOCTL1 (0x18)
+#define MAX8925_LDOCTL2 (0x1C)
+#define MAX8925_LDOCTL3 (0x20)
+#define MAX8925_LDOCTL4 (0x24)
+#define MAX8925_LDOCTL5 (0x28)
+#define MAX8925_LDOCTL6 (0x2C)
+#define MAX8925_LDOCTL7 (0x30)
+#define MAX8925_LDOCTL8 (0x34)
+#define MAX8925_LDOCTL9 (0x38)
+#define MAX8925_LDOCTL10 (0x3C)
+#define MAX8925_LDOCTL11 (0x40)
+#define MAX8925_LDOCTL12 (0x44)
+#define MAX8925_LDOCTL13 (0x48)
+#define MAX8925_LDOCTL14 (0x4C)
+#define MAX8925_LDOCTL15 (0x50)
+#define MAX8925_LDOCTL16 (0x10)
+#define MAX8925_LDOCTL17 (0x14)
+#define MAX8925_LDOCTL18 (0x72)
+#define MAX8925_LDOCTL19 (0x5C)
+#define MAX8925_LDOCTL20 (0x9C)
+#define MAX8925_LDOVOUT1 (0x1A)
+#define MAX8925_LDOVOUT2 (0x1E)
+#define MAX8925_LDOVOUT3 (0x22)
+#define MAX8925_LDOVOUT4 (0x26)
+#define MAX8925_LDOVOUT5 (0x2A)
+#define MAX8925_LDOVOUT6 (0x2E)
+#define MAX8925_LDOVOUT7 (0x32)
+#define MAX8925_LDOVOUT8 (0x36)
+#define MAX8925_LDOVOUT9 (0x3A)
+#define MAX8925_LDOVOUT10 (0x3E)
+#define MAX8925_LDOVOUT11 (0x42)
+#define MAX8925_LDOVOUT12 (0x46)
+#define MAX8925_LDOVOUT13 (0x4A)
+#define MAX8925_LDOVOUT14 (0x4E)
+#define MAX8925_LDOVOUT15 (0x52)
+#define MAX8925_LDOVOUT16 (0x12)
+#define MAX8925_LDOVOUT17 (0x16)
+#define MAX8925_LDOVOUT18 (0x74)
+#define MAX8925_LDOVOUT19 (0x5E)
+#define MAX8925_LDOVOUT20 (0x9E)
+
+/* bit definitions */
+#define CHG_IRQ1_MASK (0x07)
+#define CHG_IRQ2_MASK (0xff)
+#define ON_OFF_IRQ1_MASK (0xff)
+#define ON_OFF_IRQ2_MASK (0x03)
+#define TSC_IRQ_MASK (0x03)
+#define RTC_IRQ_MASK (0x0c)
+
+#define MAX8925_NAME_SIZE (32)
+
+/* IRQ definitions */
+enum {
+ MAX8925_IRQ_VCHG_DC_OVP,
+ MAX8925_IRQ_VCHG_DC_F,
+ MAX8925_IRQ_VCHG_DC_R,
+ MAX8925_IRQ_VCHG_THM_OK_R,
+ MAX8925_IRQ_VCHG_THM_OK_F,
+ MAX8925_IRQ_VCHG_SYSLOW_F,
+ MAX8925_IRQ_VCHG_SYSLOW_R,
+ MAX8925_IRQ_VCHG_RST,
+ MAX8925_IRQ_VCHG_DONE,
+ MAX8925_IRQ_VCHG_TOPOFF,
+ MAX8925_IRQ_VCHG_TMR_FAULT,
+ MAX8925_IRQ_GPM_RSTIN,
+ MAX8925_IRQ_GPM_MPL,
+ MAX8925_IRQ_GPM_SW_3SEC,
+ MAX8925_IRQ_GPM_EXTON_F,
+ MAX8925_IRQ_GPM_EXTON_R,
+ MAX8925_IRQ_GPM_SW_1SEC,
+ MAX8925_IRQ_GPM_SW_F,
+ MAX8925_IRQ_GPM_SW_R,
+ MAX8925_IRQ_GPM_SYSCKEN_F,
+ MAX8925_IRQ_GPM_SYSCKEN_R,
+ MAX8925_IRQ_RTC_ALARM1,
+ MAX8925_IRQ_RTC_ALARM0,
+ MAX8925_IRQ_TSC_STICK,
+ MAX8925_IRQ_TSC_NSTICK,
+ MAX8925_NR_IRQS,
+};
+
+
+
+struct max8925_chip {
+ struct device *dev;
+ struct i2c_client *i2c;
+ struct i2c_client *adc;
+ struct i2c_client *rtc;
+ struct mutex io_lock;
+ struct mutex irq_lock;
+
+ int irq_base;
+ int core_irq;
+ int tsc_irq;
+ unsigned int wakeup_flag;
+};
+
+struct max8925_backlight_pdata {
+ int lxw_scl; /* 0/1 -- 0.8Ohm/0.4Ohm */
+ int lxw_freq; /* 700KHz ~ 1400KHz */
+ int dual_string; /* 0/1 -- single/dual string */
+};
+
+struct max8925_touch_pdata {
+ unsigned int flags;
+};
+
+struct max8925_power_pdata {
+ int (*set_charger)(int);
+ unsigned batt_detect:1;
+ unsigned topoff_threshold:2;
+ unsigned fast_charge:3; /* charge current */
+ unsigned no_temp_support:1; /* set if no temperature detect */
+ unsigned no_insert_detect:1; /* set if no ac insert detect */
+ char **supplied_to;
+ int num_supplicants;
+};
+
+/*
+ * irq_base: stores IRQ base number of MAX8925 in platform
+ * tsc_irq: stores IRQ number of MAX8925 TSC
+ */
+struct max8925_platform_data {
+ struct max8925_backlight_pdata *backlight;
+ struct max8925_touch_pdata *touch;
+ struct max8925_power_pdata *power;
+ struct regulator_init_data *sd1;
+ struct regulator_init_data *sd2;
+ struct regulator_init_data *sd3;
+ struct regulator_init_data *ldo1;
+ struct regulator_init_data *ldo2;
+ struct regulator_init_data *ldo3;
+ struct regulator_init_data *ldo4;
+ struct regulator_init_data *ldo5;
+ struct regulator_init_data *ldo6;
+ struct regulator_init_data *ldo7;
+ struct regulator_init_data *ldo8;
+ struct regulator_init_data *ldo9;
+ struct regulator_init_data *ldo10;
+ struct regulator_init_data *ldo11;
+ struct regulator_init_data *ldo12;
+ struct regulator_init_data *ldo13;
+ struct regulator_init_data *ldo14;
+ struct regulator_init_data *ldo15;
+ struct regulator_init_data *ldo16;
+ struct regulator_init_data *ldo17;
+ struct regulator_init_data *ldo18;
+ struct regulator_init_data *ldo19;
+ struct regulator_init_data *ldo20;
+
+ int irq_base;
+ int tsc_irq;
+};
+
+extern int max8925_reg_read(struct i2c_client *, int);
+extern int max8925_reg_write(struct i2c_client *, int, unsigned char);
+extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *);
+extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *);
+extern int max8925_set_bits(struct i2c_client *, int, unsigned char,
+ unsigned char);
+
+extern int max8925_device_init(struct max8925_chip *,
+ struct max8925_platform_data *);
+extern void max8925_device_exit(struct max8925_chip *);
+#endif /* __LINUX_MFD_MAX8925_H */
+