1/*
2 * Marvell 88PM80x Interface
3 *
4 * Copyright (C) 2012 Marvell International Ltd.
5 * Qiao Zhou <zhouqiao@marvell.com>
6 *
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.
10 */
11
12#ifndef __LINUX_MFD_88PM80X_H
13#define __LINUX_MFD_88PM80X_H
14
15#include <linux/platform_device.h>
16#include <linux/interrupt.h>
17#include <linux/regmap.h>
18#include <linux/atomic.h>
19
20enum {
21 CHIP_INVALID = 0,
22 CHIP_PM800,
23 CHIP_PM805,
24 CHIP_PM860,
25 CHIP_MAX,
26};
27
28enum {
29 PM800_ID_BUCK1 = 0,
30 PM800_ID_BUCK2,
31 PM800_ID_BUCK3,
32 PM800_ID_BUCK4,
33 PM800_ID_BUCK5,
34
35 PM800_ID_LDO1,
36 PM800_ID_LDO2,
37 PM800_ID_LDO3,
38 PM800_ID_LDO4,
39 PM800_ID_LDO5,
40 PM800_ID_LDO6,
41 PM800_ID_LDO7,
42 PM800_ID_LDO8,
43 PM800_ID_LDO9,
44 PM800_ID_LDO10,
45 PM800_ID_LDO11,
46 PM800_ID_LDO12,
47 PM800_ID_LDO13,
48 PM800_ID_LDO14,
49 PM800_ID_LDO15,
50 PM800_ID_LDO16,
51 PM800_ID_LDO17,
52 PM800_ID_LDO18,
53 PM800_ID_LDO19,
54
55 PM800_ID_RG_MAX,
56};
57#define PM800_MAX_REGULATOR PM800_ID_RG_MAX /* 5 Bucks, 19 LDOs */
58#define PM800_NUM_BUCK (5) /*5 Bucks */
59#define PM800_NUM_LDO (19) /*19 Bucks */
60
61/* page 0 basic: slave adder 0x60 */
62
63#define PM800_STATUS_1 (0x01)
64#define PM800_ONKEY_STS1 BIT(0)
65#define PM800_EXTON_STS1 BIT(1)
66#define PM800_CHG_STS1 BIT(2)
67#define PM800_BAT_STS1 BIT(3)
68#define PM800_VBUS_STS1 BIT(4)
69#define PM800_LDO_PGOOD_STS1 BIT(5)
70#define PM800_BUCK_PGOOD_STS1 BIT(6)
71
72#define PM800_STATUS_2 (0x02)
73#define PM800_RTC_ALARM_STS2 BIT(0)
74
75/* Wakeup Registers */
76#define PM800_WAKEUP1 (0x0D)
77
78#define PM800_WAKEUP2 (0x0E)
79#define PM800_WAKEUP2_INV_INT BIT(0)
80#define PM800_WAKEUP2_INT_CLEAR BIT(1)
81#define PM800_WAKEUP2_INT_MASK BIT(2)
82
83#define PM800_POWER_UP_LOG (0x10)
84
85/* Referance and low power registers */
86#define PM800_LOW_POWER1 (0x20)
87#define PM800_LOW_POWER2 (0x21)
88#define PM800_LOW_POWER_CONFIG3 (0x22)
89#define PM800_LOW_POWER_CONFIG4 (0x23)
90
91/* GPIO register */
92#define PM800_GPIO_0_1_CNTRL (0x30)
93#define PM800_GPIO0_VAL BIT(0)
94#define PM800_GPIO0_GPIO_MODE(x) (x << 1)
95#define PM800_GPIO1_VAL BIT(4)
96#define PM800_GPIO1_GPIO_MODE(x) (x << 5)
97
98#define PM800_GPIO_2_3_CNTRL (0x31)
99#define PM800_GPIO2_VAL BIT(0)
100#define PM800_GPIO2_GPIO_MODE(x) (x << 1)
101#define PM800_GPIO3_VAL BIT(4)
102#define PM800_GPIO3_GPIO_MODE(x) (x << 5)
103#define PM800_GPIO3_MODE_MASK 0x1F
104#define PM800_GPIO3_HEADSET_MODE PM800_GPIO3_GPIO_MODE(6)
105
106#define PM800_GPIO_4_CNTRL (0x32)
107#define PM800_GPIO4_VAL BIT(0)
108#define PM800_GPIO4_GPIO_MODE(x) (x << 1)
109
110#define PM800_HEADSET_CNTRL (0x38)
111#define PM800_HEADSET_DET_EN BIT(7)
112#define PM800_HSDET_SLP BIT(1)
113/* PWM register */
114#define PM800_PWM1 (0x40)
115#define PM800_PWM2 (0x41)
116#define PM800_PWM3 (0x42)
117#define PM800_PWM4 (0x43)
118
119/* RTC Registers */
120#define PM800_RTC_CONTROL (0xD0)
121#define PM800_RTC_MISC1 (0xE1)
122#define PM800_RTC_MISC2 (0xE2)
123#define PM800_RTC_MISC3 (0xE3)
124#define PM800_RTC_MISC4 (0xE4)
125#define PM800_RTC_MISC5 (0xE7)
126/* bit definitions of RTC Register 1 (0xD0) */
127#define PM800_ALARM1_EN BIT(0)
128#define PM800_ALARM_WAKEUP BIT(4)
129#define PM800_ALARM BIT(5)
130#define PM800_RTC1_USE_XO BIT(7)
131
132/* Regulator Control Registers: BUCK1,BUCK5,LDO1 have DVC */
133
134/* buck registers */
135#define PM800_SLEEP_BUCK1 (0x30)
136
137/* BUCK Sleep Mode Register 1: BUCK[1..4] */
138#define PM800_BUCK_SLP1 (0x5A)
139#define PM800_BUCK1_SLP1_SHIFT 0
140#define PM800_BUCK1_SLP1_MASK (0x3 << PM800_BUCK1_SLP1_SHIFT)
141
142/* page 2 GPADC: slave adder 0x02 */
143#define PM800_GPADC_MEAS_EN1 (0x01)
144#define PM800_MEAS_EN1_VBAT BIT(2)
145#define PM800_GPADC_MEAS_EN2 (0x02)
146#define PM800_MEAS_EN2_RFTMP BIT(0)
147#define PM800_MEAS_GP0_EN BIT(2)
148#define PM800_MEAS_GP1_EN BIT(3)
149#define PM800_MEAS_GP2_EN BIT(4)
150#define PM800_MEAS_GP3_EN BIT(5)
151#define PM800_MEAS_GP4_EN BIT(6)
152
153#define PM800_GPADC_MISC_CONFIG1 (0x05)
154#define PM800_GPADC_MISC_CONFIG2 (0x06)
155#define PM800_GPADC_MISC_GPFSM_EN BIT(0)
156#define PM800_GPADC_SLOW_MODE(x) (x << 3)
157
158#define PM800_GPADC_MISC_CONFIG3 (0x09)
159#define PM800_GPADC_MISC_CONFIG4 (0x0A)
160
161#define PM800_GPADC_PREBIAS1 (0x0F)
162#define PM800_GPADC0_GP_PREBIAS_TIME(x) (x << 0)
163#define PM800_GPADC_PREBIAS2 (0x10)
164
165#define PM800_GP_BIAS_ENA1 (0x14)
166#define PM800_GPADC_GP_BIAS_EN0 BIT(0)
167#define PM800_GPADC_GP_BIAS_EN1 BIT(1)
168#define PM800_GPADC_GP_BIAS_EN2 BIT(2)
169#define PM800_GPADC_GP_BIAS_EN3 BIT(3)
170
171#define PM800_GP_BIAS_OUT1 (0x15)
172#define PM800_BIAS_OUT_GP0 BIT(0)
173#define PM800_BIAS_OUT_GP1 BIT(1)
174#define PM800_BIAS_OUT_GP2 BIT(2)
175#define PM800_BIAS_OUT_GP3 BIT(3)
176
177#define PM800_GPADC0_LOW_TH 0x20
178#define PM800_GPADC1_LOW_TH 0x21
179#define PM800_GPADC2_LOW_TH 0x22
180#define PM800_GPADC3_LOW_TH 0x23
181#define PM800_GPADC4_LOW_TH 0x24
182
183#define PM800_GPADC0_UPP_TH 0x30
184#define PM800_GPADC1_UPP_TH 0x31
185#define PM800_GPADC2_UPP_TH 0x32
186#define PM800_GPADC3_UPP_TH 0x33
187#define PM800_GPADC4_UPP_TH 0x34
188
189#define PM800_VBBAT_MEAS1 0x40
190#define PM800_VBBAT_MEAS2 0x41
191#define PM800_VBAT_MEAS1 0x42
192#define PM800_VBAT_MEAS2 0x43
193#define PM800_VSYS_MEAS1 0x44
194#define PM800_VSYS_MEAS2 0x45
195#define PM800_VCHG_MEAS1 0x46
196#define PM800_VCHG_MEAS2 0x47
197#define PM800_TINT_MEAS1 0x50
198#define PM800_TINT_MEAS2 0x51
199#define PM800_PMOD_MEAS1 0x52
200#define PM800_PMOD_MEAS2 0x53
201
202#define PM800_GPADC0_MEAS1 0x54
203#define PM800_GPADC0_MEAS2 0x55
204#define PM800_GPADC1_MEAS1 0x56
205#define PM800_GPADC1_MEAS2 0x57
206#define PM800_GPADC2_MEAS1 0x58
207#define PM800_GPADC2_MEAS2 0x59
208#define PM800_GPADC3_MEAS1 0x5A
209#define PM800_GPADC3_MEAS2 0x5B
210#define PM800_GPADC4_MEAS1 0x5C
211#define PM800_GPADC4_MEAS2 0x5D
212
213#define PM800_GPADC4_AVG1 0xA8
214#define PM800_GPADC4_AVG2 0xA9
215
216/* 88PM805 Registers */
217#define PM805_MAIN_POWERUP (0x01)
218#define PM805_INT_STATUS0 (0x02) /* for ena/dis all interrupts */
219
220#define PM805_STATUS0_INT_CLEAR (1 << 0)
221#define PM805_STATUS0_INV_INT (1 << 1)
222#define PM800_STATUS0_INT_MASK (1 << 2)
223
224#define PM805_INT_STATUS1 (0x03)
225
226#define PM805_INT1_HP1_SHRT BIT(0)
227#define PM805_INT1_HP2_SHRT BIT(1)
228#define PM805_INT1_MIC_CONFLICT BIT(2)
229#define PM805_INT1_CLIP_FAULT BIT(3)
230#define PM805_INT1_LDO_OFF BIT(4)
231#define PM805_INT1_SRC_DPLL_LOCK BIT(5)
232
233#define PM805_INT_STATUS2 (0x04)
234
235#define PM805_INT2_MIC_DET BIT(0)
236#define PM805_INT2_SHRT_BTN_DET BIT(1)
237#define PM805_INT2_VOLM_BTN_DET BIT(2)
238#define PM805_INT2_VOLP_BTN_DET BIT(3)
239#define PM805_INT2_RAW_PLL_FAULT BIT(4)
240#define PM805_INT2_FINE_PLL_FAULT BIT(5)
241
242#define PM805_INT_MASK1 (0x05)
243#define PM805_INT_MASK2 (0x06)
244#define PM805_SHRT_BTN_DET BIT(1)
245
246/* number of status and int reg in a row */
247#define PM805_INT_REG_NUM (2)
248
249#define PM805_MIC_DET1 (0x07)
250#define PM805_MIC_DET_EN_MIC_DET BIT(0)
251#define PM805_MIC_DET2 (0x08)
252#define PM805_MIC_DET_STATUS1 (0x09)
253
254#define PM805_MIC_DET_STATUS3 (0x0A)
255#define PM805_AUTO_SEQ_STATUS1 (0x0B)
256#define PM805_AUTO_SEQ_STATUS2 (0x0C)
257
258#define PM805_ADC_SETTING1 (0x10)
259#define PM805_ADC_SETTING2 (0x11)
260#define PM805_ADC_SETTING3 (0x11)
261#define PM805_ADC_GAIN1 (0x12)
262#define PM805_ADC_GAIN2 (0x13)
263#define PM805_DMIC_SETTING (0x15)
264#define PM805_DWS_SETTING (0x16)
265#define PM805_MIC_CONFLICT_STS (0x17)
266
267#define PM805_PDM_SETTING1 (0x20)
268#define PM805_PDM_SETTING2 (0x21)
269#define PM805_PDM_SETTING3 (0x22)
270#define PM805_PDM_CONTROL1 (0x23)
271#define PM805_PDM_CONTROL2 (0x24)
272#define PM805_PDM_CONTROL3 (0x25)
273
274#define PM805_HEADPHONE_SETTING (0x26)
275#define PM805_HEADPHONE_GAIN_A2A (0x27)
276#define PM805_HEADPHONE_SHORT_STATE (0x28)
277#define PM805_EARPHONE_SETTING (0x29)
278#define PM805_AUTO_SEQ_SETTING (0x2A)
279
280struct pm80x_rtc_pdata {
281 int vrtc;
282 int rtc_wakeup;
283};
284
285struct pm80x_subchip {
286 struct i2c_client *power_page; /* chip client for power page */
287 struct i2c_client *gpadc_page; /* chip client for gpadc page */
288 struct regmap *regmap_power;
289 struct regmap *regmap_gpadc;
290 unsigned short power_page_addr; /* power page I2C address */
291 unsigned short gpadc_page_addr; /* gpadc page I2C address */
292};
293
294struct pm80x_chip {
295 struct pm80x_subchip *subchip;
296 struct device *dev;
297 struct i2c_client *client;
298 struct i2c_client *companion;
299 struct regmap *regmap;
300 struct regmap_irq_chip *regmap_irq_chip;
301 struct regmap_irq_chip_data *irq_data;
302 int type;
303 int irq;
304 int irq_mode;
305 unsigned long wu_flag;
306 spinlock_t lock;
307};
308
309struct pm80x_platform_data {
310 struct pm80x_rtc_pdata *rtc;
311 /*
312 * For the regulator not defined, set regulators[not_defined] to be
313 * NULL. num_regulators are the number of regulators supposed to be
314 * initialized. If all regulators are not defined, set num_regulators
315 * to be 0.
316 */
317 struct regulator_init_data *regulators[PM800_ID_RG_MAX];
318 unsigned int num_regulators;
319 int irq_mode; /* Clear interrupt by read/write(0/1) */
320 int batt_det; /* enable/disable */
321 int (*plat_config)(struct pm80x_chip *chip,
322 struct pm80x_platform_data *pdata);
323};
324
325extern const struct dev_pm_ops pm80x_pm_ops;
326extern const struct regmap_config pm80x_regmap_config;
327
328static inline int pm80x_request_irq(struct pm80x_chip *pm80x, int irq,
329 irq_handler_t handler, unsigned long flags,
330 const char *name, void *data)
331{
332 if (!pm80x->irq_data)
333 return -EINVAL;
334 return request_threaded_irq(regmap_irq_get_virq(pm80x->irq_data, irq),
335 NULL, handler, flags, name, data);
336}
337
338static inline void pm80x_free_irq(struct pm80x_chip *pm80x, int irq, void *data)
339{
340 if (!pm80x->irq_data)
341 return;
342 free_irq(regmap_irq_get_virq(pm80x->irq_data, irq), data);
343}
344
345#ifdef CONFIG_PM
346static inline int pm80x_dev_suspend(struct device *dev)
347{
348 struct platform_device *pdev = to_platform_device(dev);
349 struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
350 int irq = platform_get_irq(pdev, 0);
351
352 if (device_may_wakeup(dev))
353 set_bit(irq, &chip->wu_flag);
354
355 return 0;
356}
357
358static inline int pm80x_dev_resume(struct device *dev)
359{
360 struct platform_device *pdev = to_platform_device(dev);
361 struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
362 int irq = platform_get_irq(pdev, 0);
363
364 if (device_may_wakeup(dev))
365 clear_bit(irq, &chip->wu_flag);
366
367 return 0;
368}
369#endif
370
371extern int pm80x_init(struct i2c_client *client);
372extern int pm80x_deinit(void);
373#endif /* __LINUX_MFD_88PM80X_H */
374