4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #ifndef __LINUX_MFD_MAX8925_H
13 #define __LINUX_MFD_MAX8925_H
15 #include <linux/mutex.h>
16 #include <linux/interrupt.h>
18 /* Unified sub device IDs for MAX8925 */
48 * Charging current threshold trigger going from fast charge
49 * to TOPOFF charge. From 5% to 20% of fasting charging current.
51 MAX8925_TOPOFF_THR_5PER,
52 MAX8925_TOPOFF_THR_10PER,
53 MAX8925_TOPOFF_THR_15PER,
54 MAX8925_TOPOFF_THR_20PER,
58 /* Fast charging current */
69 /* Charger registers */
70 #define MAX8925_CHG_IRQ1 (0x7e)
71 #define MAX8925_CHG_IRQ2 (0x7f)
72 #define MAX8925_CHG_IRQ1_MASK (0x80)
73 #define MAX8925_CHG_IRQ2_MASK (0x81)
74 #define MAX8925_CHG_STATUS (0x82)
77 #define MAX8925_SYSENSEL (0x00)
78 #define MAX8925_ON_OFF_IRQ1 (0x01)
79 #define MAX8925_ON_OFF_IRQ1_MASK (0x02)
80 #define MAX8925_ON_OFF_STATUS (0x03)
81 #define MAX8925_ON_OFF_IRQ2 (0x0d)
82 #define MAX8925_ON_OFF_IRQ2_MASK (0x0e)
83 #define MAX8925_RESET_CNFG (0x0f)
86 #define MAX8925_TSC_IRQ (0x00)
87 #define MAX8925_TSC_IRQ_MASK (0x01)
88 #define MAX8925_TSC_CNFG1 (0x02)
89 #define MAX8925_ADC_SCHED (0x10)
90 #define MAX8925_ADC_RES_END (0x6f)
92 #define MAX8925_NREF_OK (1 << 4)
95 #define MAX8925_ALARM0_CNTL (0x18)
96 #define MAX8925_ALARM1_CNTL (0x19)
97 #define MAX8925_RTC_IRQ (0x1c)
98 #define MAX8925_RTC_IRQ_MASK (0x1d)
99 #define MAX8925_MPL_CNTL (0x1e)
102 #define MAX8925_WLED_MODE_CNTL (0x84)
103 #define MAX8925_WLED_CNTL (0x85)
105 /* MAX8925 Registers */
106 #define MAX8925_SDCTL1 (0x04)
107 #define MAX8925_SDCTL2 (0x07)
108 #define MAX8925_SDCTL3 (0x0A)
109 #define MAX8925_SDV1 (0x06)
110 #define MAX8925_SDV2 (0x09)
111 #define MAX8925_SDV3 (0x0C)
112 #define MAX8925_LDOCTL1 (0x18)
113 #define MAX8925_LDOCTL2 (0x1C)
114 #define MAX8925_LDOCTL3 (0x20)
115 #define MAX8925_LDOCTL4 (0x24)
116 #define MAX8925_LDOCTL5 (0x28)
117 #define MAX8925_LDOCTL6 (0x2C)
118 #define MAX8925_LDOCTL7 (0x30)
119 #define MAX8925_LDOCTL8 (0x34)
120 #define MAX8925_LDOCTL9 (0x38)
121 #define MAX8925_LDOCTL10 (0x3C)
122 #define MAX8925_LDOCTL11 (0x40)
123 #define MAX8925_LDOCTL12 (0x44)
124 #define MAX8925_LDOCTL13 (0x48)
125 #define MAX8925_LDOCTL14 (0x4C)
126 #define MAX8925_LDOCTL15 (0x50)
127 #define MAX8925_LDOCTL16 (0x10)
128 #define MAX8925_LDOCTL17 (0x14)
129 #define MAX8925_LDOCTL18 (0x72)
130 #define MAX8925_LDOCTL19 (0x5C)
131 #define MAX8925_LDOCTL20 (0x9C)
132 #define MAX8925_LDOVOUT1 (0x1A)
133 #define MAX8925_LDOVOUT2 (0x1E)
134 #define MAX8925_LDOVOUT3 (0x22)
135 #define MAX8925_LDOVOUT4 (0x26)
136 #define MAX8925_LDOVOUT5 (0x2A)
137 #define MAX8925_LDOVOUT6 (0x2E)
138 #define MAX8925_LDOVOUT7 (0x32)
139 #define MAX8925_LDOVOUT8 (0x36)
140 #define MAX8925_LDOVOUT9 (0x3A)
141 #define MAX8925_LDOVOUT10 (0x3E)
142 #define MAX8925_LDOVOUT11 (0x42)
143 #define MAX8925_LDOVOUT12 (0x46)
144 #define MAX8925_LDOVOUT13 (0x4A)
145 #define MAX8925_LDOVOUT14 (0x4E)
146 #define MAX8925_LDOVOUT15 (0x52)
147 #define MAX8925_LDOVOUT16 (0x12)
148 #define MAX8925_LDOVOUT17 (0x16)
149 #define MAX8925_LDOVOUT18 (0x74)
150 #define MAX8925_LDOVOUT19 (0x5E)
151 #define MAX8925_LDOVOUT20 (0x9E)
153 /* bit definitions */
154 #define CHG_IRQ1_MASK (0x07)
155 #define CHG_IRQ2_MASK (0xff)
156 #define ON_OFF_IRQ1_MASK (0xff)
157 #define ON_OFF_IRQ2_MASK (0x03)
158 #define TSC_IRQ_MASK (0x03)
159 #define RTC_IRQ_MASK (0x0c)
161 #define MAX8925_NAME_SIZE (32)
163 /* IRQ definitions */
165 MAX8925_IRQ_VCHG_DC_OVP,
166 MAX8925_IRQ_VCHG_DC_F,
167 MAX8925_IRQ_VCHG_DC_R,
168 MAX8925_IRQ_VCHG_THM_OK_R,
169 MAX8925_IRQ_VCHG_THM_OK_F,
170 MAX8925_IRQ_VCHG_SYSLOW_F,
171 MAX8925_IRQ_VCHG_SYSLOW_R,
172 MAX8925_IRQ_VCHG_RST,
173 MAX8925_IRQ_VCHG_DONE,
174 MAX8925_IRQ_VCHG_TOPOFF,
175 MAX8925_IRQ_VCHG_TMR_FAULT,
176 MAX8925_IRQ_GPM_RSTIN,
178 MAX8925_IRQ_GPM_SW_3SEC,
179 MAX8925_IRQ_GPM_EXTON_F,
180 MAX8925_IRQ_GPM_EXTON_R,
181 MAX8925_IRQ_GPM_SW_1SEC,
182 MAX8925_IRQ_GPM_SW_F,
183 MAX8925_IRQ_GPM_SW_R,
184 MAX8925_IRQ_GPM_SYSCKEN_F,
185 MAX8925_IRQ_GPM_SYSCKEN_R,
186 MAX8925_IRQ_RTC_ALARM1,
187 MAX8925_IRQ_RTC_ALARM0,
188 MAX8925_IRQ_TSC_STICK,
189 MAX8925_IRQ_TSC_NSTICK,
195 struct max8925_chip {
197 struct i2c_client *i2c;
198 struct i2c_client *adc;
199 struct i2c_client *rtc;
200 struct mutex io_lock;
201 struct mutex irq_lock;
206 unsigned int wakeup_flag;
209 struct max8925_backlight_pdata {
210 int lxw_scl; /* 0/1 -- 0.8Ohm/0.4Ohm */
211 int lxw_freq; /* 700KHz ~ 1400KHz */
212 int dual_string; /* 0/1 -- single/dual string */
215 struct max8925_touch_pdata {
219 struct max8925_power_pdata {
220 int (*set_charger)(int);
221 unsigned batt_detect:1;
222 unsigned topoff_threshold:2;
223 unsigned fast_charge:3; /* charge current */
224 unsigned no_temp_support:1; /* set if no temperature detect */
225 unsigned no_insert_detect:1; /* set if no ac insert detect */
231 * irq_base: stores IRQ base number of MAX8925 in platform
232 * tsc_irq: stores IRQ number of MAX8925 TSC
234 struct max8925_platform_data {
235 struct max8925_backlight_pdata *backlight;
236 struct max8925_touch_pdata *touch;
237 struct max8925_power_pdata *power;
238 struct regulator_init_data *sd1;
239 struct regulator_init_data *sd2;
240 struct regulator_init_data *sd3;
241 struct regulator_init_data *ldo1;
242 struct regulator_init_data *ldo2;
243 struct regulator_init_data *ldo3;
244 struct regulator_init_data *ldo4;
245 struct regulator_init_data *ldo5;
246 struct regulator_init_data *ldo6;
247 struct regulator_init_data *ldo7;
248 struct regulator_init_data *ldo8;
249 struct regulator_init_data *ldo9;
250 struct regulator_init_data *ldo10;
251 struct regulator_init_data *ldo11;
252 struct regulator_init_data *ldo12;
253 struct regulator_init_data *ldo13;
254 struct regulator_init_data *ldo14;
255 struct regulator_init_data *ldo15;
256 struct regulator_init_data *ldo16;
257 struct regulator_init_data *ldo17;
258 struct regulator_init_data *ldo18;
259 struct regulator_init_data *ldo19;
260 struct regulator_init_data *ldo20;
266 extern int max8925_reg_read(struct i2c_client *, int);
267 extern int max8925_reg_write(struct i2c_client *, int, unsigned char);
268 extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *);
269 extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *);
270 extern int max8925_set_bits(struct i2c_client *, int, unsigned char,
273 extern int max8925_device_init(struct max8925_chip *,
274 struct max8925_platform_data *);
275 extern void max8925_device_exit(struct max8925_chip *);
276 #endif /* __LINUX_MFD_MAX8925_H */