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remarkable-linux/include/linux/mfd/max8925.h
Qing Xu 4e405ae256 mfd: max8925: Add irqdomain for dt 
Add irqdomains for max8925's main irq, wrap irq register operations
into irqdomain's map func. it is necessary for dt support.

Also, add dt support for max8925 driver.

Signed-off-by: Qing Xu <qingx@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-14 00:23:00 +01:00

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7.2 KiB
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/*
* 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 */
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