You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
277 lines
7.2 KiB
277 lines
7.2 KiB
/*
|
|
* 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 */
|
|
|
|
|