max8925.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Maxim8925 Interface
  4 *
  5 * Copyright (C) 2009 Marvell International Ltd.
  6 *	Haojian Zhuang <haojian.zhuang@marvell.com>
  7 */
  8
  9#ifndef __LINUX_MFD_MAX8925_H
 10#define __LINUX_MFD_MAX8925_H
 11
 12#include <linux/mutex.h>
 13#include <linux/interrupt.h>
 14
 15/* Unified sub device IDs for MAX8925 */
 16enum {
 17	MAX8925_ID_SD1,
 18	MAX8925_ID_SD2,
 19	MAX8925_ID_SD3,
 20	MAX8925_ID_LDO1,
 21	MAX8925_ID_LDO2,
 22	MAX8925_ID_LDO3,
 23	MAX8925_ID_LDO4,
 24	MAX8925_ID_LDO5,
 25	MAX8925_ID_LDO6,
 26	MAX8925_ID_LDO7,
 27	MAX8925_ID_LDO8,
 28	MAX8925_ID_LDO9,
 29	MAX8925_ID_LDO10,
 30	MAX8925_ID_LDO11,
 31	MAX8925_ID_LDO12,
 32	MAX8925_ID_LDO13,
 33	MAX8925_ID_LDO14,
 34	MAX8925_ID_LDO15,
 35	MAX8925_ID_LDO16,
 36	MAX8925_ID_LDO17,
 37	MAX8925_ID_LDO18,
 38	MAX8925_ID_LDO19,
 39	MAX8925_ID_LDO20,
 40	MAX8925_ID_MAX,
 41};
 42
 43enum {
 44	/*
 45	 * Charging current threshold trigger going from fast charge
 46	 * to TOPOFF charge. From 5% to 20% of fasting charging current.
 47	 */
 48	MAX8925_TOPOFF_THR_5PER,
 49	MAX8925_TOPOFF_THR_10PER,
 50	MAX8925_TOPOFF_THR_15PER,
 51	MAX8925_TOPOFF_THR_20PER,
 52};
 53
 54enum {
 55	/* Fast charging current */
 56	MAX8925_FCHG_85MA,
 57	MAX8925_FCHG_300MA,
 58	MAX8925_FCHG_460MA,
 59	MAX8925_FCHG_600MA,
 60	MAX8925_FCHG_700MA,
 61	MAX8925_FCHG_800MA,
 62	MAX8925_FCHG_900MA,
 63	MAX8925_FCHG_1000MA,
 64};
 65
 66/* Charger registers */
 67#define MAX8925_CHG_IRQ1		(0x7e)
 68#define MAX8925_CHG_IRQ2		(0x7f)
 69#define MAX8925_CHG_IRQ1_MASK		(0x80)
 70#define MAX8925_CHG_IRQ2_MASK		(0x81)
 71#define MAX8925_CHG_STATUS		(0x82)
 72
 73/* GPM registers */
 74#define MAX8925_SYSENSEL		(0x00)
 75#define MAX8925_ON_OFF_IRQ1		(0x01)
 76#define MAX8925_ON_OFF_IRQ1_MASK	(0x02)
 77#define MAX8925_ON_OFF_STATUS		(0x03)
 78#define MAX8925_ON_OFF_IRQ2		(0x0d)
 79#define MAX8925_ON_OFF_IRQ2_MASK	(0x0e)
 80#define MAX8925_RESET_CNFG		(0x0f)
 81
 82/* Touch registers */
 83#define MAX8925_TSC_IRQ			(0x00)
 84#define MAX8925_TSC_IRQ_MASK		(0x01)
 85#define MAX8925_TSC_CNFG1		(0x02)
 86#define MAX8925_ADC_SCHED		(0x10)
 87#define MAX8925_ADC_RES_END		(0x6f)
 88
 89#define MAX8925_NREF_OK			(1 << 4)
 90
 91/* RTC registers */
 92#define MAX8925_ALARM0_CNTL		(0x18)
 93#define MAX8925_ALARM1_CNTL		(0x19)
 94#define MAX8925_RTC_IRQ			(0x1c)
 95#define MAX8925_RTC_IRQ_MASK		(0x1d)
 96#define MAX8925_MPL_CNTL		(0x1e)
 97
 98/* WLED registers */
 99#define MAX8925_WLED_MODE_CNTL		(0x84)
100#define MAX8925_WLED_CNTL		(0x85)
101
102/* MAX8925 Registers */
103#define MAX8925_SDCTL1			(0x04)
104#define MAX8925_SDCTL2			(0x07)
105#define MAX8925_SDCTL3			(0x0A)
106#define MAX8925_SDV1			(0x06)
107#define MAX8925_SDV2			(0x09)
108#define MAX8925_SDV3			(0x0C)
109#define MAX8925_LDOCTL1			(0x18)
110#define MAX8925_LDOCTL2			(0x1C)
111#define MAX8925_LDOCTL3			(0x20)
112#define MAX8925_LDOCTL4			(0x24)
113#define MAX8925_LDOCTL5			(0x28)
114#define MAX8925_LDOCTL6			(0x2C)
115#define MAX8925_LDOCTL7			(0x30)
116#define MAX8925_LDOCTL8			(0x34)
117#define MAX8925_LDOCTL9			(0x38)
118#define MAX8925_LDOCTL10		(0x3C)
119#define MAX8925_LDOCTL11		(0x40)
120#define MAX8925_LDOCTL12		(0x44)
121#define MAX8925_LDOCTL13		(0x48)
122#define MAX8925_LDOCTL14		(0x4C)
123#define MAX8925_LDOCTL15		(0x50)
124#define MAX8925_LDOCTL16		(0x10)
125#define MAX8925_LDOCTL17		(0x14)
126#define MAX8925_LDOCTL18		(0x72)
127#define MAX8925_LDOCTL19		(0x5C)
128#define MAX8925_LDOCTL20		(0x9C)
129#define MAX8925_LDOVOUT1		(0x1A)
130#define MAX8925_LDOVOUT2		(0x1E)
131#define MAX8925_LDOVOUT3		(0x22)
132#define MAX8925_LDOVOUT4		(0x26)
133#define MAX8925_LDOVOUT5		(0x2A)
134#define MAX8925_LDOVOUT6		(0x2E)
135#define MAX8925_LDOVOUT7		(0x32)
136#define MAX8925_LDOVOUT8		(0x36)
137#define MAX8925_LDOVOUT9		(0x3A)
138#define MAX8925_LDOVOUT10		(0x3E)
139#define MAX8925_LDOVOUT11		(0x42)
140#define MAX8925_LDOVOUT12		(0x46)
141#define MAX8925_LDOVOUT13		(0x4A)
142#define MAX8925_LDOVOUT14		(0x4E)
143#define MAX8925_LDOVOUT15		(0x52)
144#define MAX8925_LDOVOUT16		(0x12)
145#define MAX8925_LDOVOUT17		(0x16)
146#define MAX8925_LDOVOUT18		(0x74)
147#define MAX8925_LDOVOUT19		(0x5E)
148#define MAX8925_LDOVOUT20		(0x9E)
149
150/* bit definitions */
151#define CHG_IRQ1_MASK			(0x07)
152#define CHG_IRQ2_MASK			(0xff)
153#define ON_OFF_IRQ1_MASK		(0xff)
154#define ON_OFF_IRQ2_MASK		(0x03)
155#define TSC_IRQ_MASK			(0x03)
156#define RTC_IRQ_MASK			(0x0c)
157
158#define MAX8925_NAME_SIZE		(32)
159
160/* IRQ definitions */
161enum {
162	MAX8925_IRQ_VCHG_DC_OVP,
163	MAX8925_IRQ_VCHG_DC_F,
164	MAX8925_IRQ_VCHG_DC_R,
165	MAX8925_IRQ_VCHG_THM_OK_R,
166	MAX8925_IRQ_VCHG_THM_OK_F,
167	MAX8925_IRQ_VCHG_SYSLOW_F,
168	MAX8925_IRQ_VCHG_SYSLOW_R,
169	MAX8925_IRQ_VCHG_RST,
170	MAX8925_IRQ_VCHG_DONE,
171	MAX8925_IRQ_VCHG_TOPOFF,
172	MAX8925_IRQ_VCHG_TMR_FAULT,
173	MAX8925_IRQ_GPM_RSTIN,
174	MAX8925_IRQ_GPM_MPL,
175	MAX8925_IRQ_GPM_SW_3SEC,
176	MAX8925_IRQ_GPM_EXTON_F,
177	MAX8925_IRQ_GPM_EXTON_R,
178	MAX8925_IRQ_GPM_SW_1SEC,
179	MAX8925_IRQ_GPM_SW_F,
180	MAX8925_IRQ_GPM_SW_R,
181	MAX8925_IRQ_GPM_SYSCKEN_F,
182	MAX8925_IRQ_GPM_SYSCKEN_R,
183	MAX8925_IRQ_RTC_ALARM1,
184	MAX8925_IRQ_RTC_ALARM0,
185	MAX8925_IRQ_TSC_STICK,
186	MAX8925_IRQ_TSC_NSTICK,
187	MAX8925_NR_IRQS,
188};
189
190
191
192struct max8925_chip {
193	struct device		*dev;
194	struct i2c_client	*i2c;
195	struct i2c_client	*adc;
196	struct i2c_client	*rtc;
197	struct mutex		io_lock;
198	struct mutex		irq_lock;
199
200	int			irq_base;
201	int			core_irq;
202	int			tsc_irq;
203	unsigned int            wakeup_flag;
204};
205
206struct max8925_backlight_pdata {
207	int	lxw_scl;	/* 0/1 -- 0.8Ohm/0.4Ohm */
208	int	lxw_freq;	/* 700KHz ~ 1400KHz */
209	int	dual_string;	/* 0/1 -- single/dual string */
210};
211
212struct max8925_touch_pdata {
213	unsigned int		flags;
214};
215
216struct max8925_power_pdata {
217	int		(*set_charger)(int);
218	unsigned	batt_detect:1;
219	unsigned	topoff_threshold:2;
220	unsigned	fast_charge:3;	/* charge current */
221	unsigned	no_temp_support:1; /* set if no temperature detect */
222	unsigned	no_insert_detect:1; /* set if no ac insert detect */
223	char		**supplied_to;
224	int		num_supplicants;
225};
226
227/*
228 * irq_base: stores IRQ base number of MAX8925 in platform
229 * tsc_irq: stores IRQ number of MAX8925 TSC
230 */
231struct max8925_platform_data {
232	struct max8925_backlight_pdata	*backlight;
233	struct max8925_touch_pdata	*touch;
234	struct max8925_power_pdata	*power;
235	struct regulator_init_data	*sd1;
236	struct regulator_init_data	*sd2;
237	struct regulator_init_data	*sd3;
238	struct regulator_init_data	*ldo1;
239	struct regulator_init_data	*ldo2;
240	struct regulator_init_data	*ldo3;
241	struct regulator_init_data	*ldo4;
242	struct regulator_init_data	*ldo5;
243	struct regulator_init_data	*ldo6;
244	struct regulator_init_data	*ldo7;
245	struct regulator_init_data	*ldo8;
246	struct regulator_init_data	*ldo9;
247	struct regulator_init_data	*ldo10;
248	struct regulator_init_data	*ldo11;
249	struct regulator_init_data	*ldo12;
250	struct regulator_init_data	*ldo13;
251	struct regulator_init_data	*ldo14;
252	struct regulator_init_data	*ldo15;
253	struct regulator_init_data	*ldo16;
254	struct regulator_init_data	*ldo17;
255	struct regulator_init_data	*ldo18;
256	struct regulator_init_data	*ldo19;
257	struct regulator_init_data	*ldo20;
258
259	int		irq_base;
260	int		tsc_irq;
261};
262
263extern int max8925_reg_read(struct i2c_client *, int);
264extern int max8925_reg_write(struct i2c_client *, int, unsigned char);
265extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *);
266extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *);
267extern int max8925_set_bits(struct i2c_client *, int, unsigned char,
268			unsigned char);
269
270extern int max8925_device_init(struct max8925_chip *,
271				struct max8925_platform_data *);
272extern void max8925_device_exit(struct max8925_chip *);
273#endif /* __LINUX_MFD_MAX8925_H */
274