/* * Maxim8925 Interface * * Copyright (C) 2009 Marvell International Ltd. * Haojian Zhuang * * 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 #include /* 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 */