| /* |
| * 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_MAX_REGULATOR (23) |
| |
| #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_USB_OVP, |
| MAX8925_IRQ_VCHG_USB_F, |
| MAX8925_IRQ_VCHG_USB_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; |
| }; |
| |
| 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 */ |
| }; |
| |
| /* |
| * 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 *regulator[MAX8925_MAX_REGULATOR]; |
| |
| 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 */ |
| |
