tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Functions and registers to access AXP20X power management chip.
3 *
4 * Copyright (C) 2013, Carlo Caione <carlo@caione.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __LINUX_MFD_AXP20X_H
12#define __LINUX_MFD_AXP20X_H
13
14#include <linux/regmap.h>
15
16enum {
17 AXP152_ID = 0,
18 AXP202_ID,
19 AXP209_ID,
20 AXP221_ID,
21 AXP288_ID,
22 NR_AXP20X_VARIANTS,
23};
24
25#define AXP20X_DATACACHE(m) (0x04 + (m))
26
27/* Power supply */
28#define AXP152_PWR_OP_MODE 0x01
29#define AXP152_LDO3456_DC1234_CTRL 0x12
30#define AXP152_ALDO_OP_MODE 0x13
31#define AXP152_LDO0_CTRL 0x15
32#define AXP152_DCDC2_V_OUT 0x23
33#define AXP152_DCDC2_V_SCAL 0x25
34#define AXP152_DCDC1_V_OUT 0x26
35#define AXP152_DCDC3_V_OUT 0x27
36#define AXP152_ALDO12_V_OUT 0x28
37#define AXP152_DLDO1_V_OUT 0x29
38#define AXP152_DLDO2_V_OUT 0x2a
39#define AXP152_DCDC4_V_OUT 0x2b
40#define AXP152_V_OFF 0x31
41#define AXP152_OFF_CTRL 0x32
42#define AXP152_PEK_KEY 0x36
43#define AXP152_DCDC_FREQ 0x37
44#define AXP152_DCDC_MODE 0x80
45
46#define AXP20X_PWR_INPUT_STATUS 0x00
47#define AXP20X_PWR_OP_MODE 0x01
48#define AXP20X_USB_OTG_STATUS 0x02
49#define AXP20X_PWR_OUT_CTRL 0x12
50#define AXP20X_DCDC2_V_OUT 0x23
51#define AXP20X_DCDC2_LDO3_V_SCAL 0x25
52#define AXP20X_DCDC3_V_OUT 0x27
53#define AXP20X_LDO24_V_OUT 0x28
54#define AXP20X_LDO3_V_OUT 0x29
55#define AXP20X_VBUS_IPSOUT_MGMT 0x30
56#define AXP20X_V_OFF 0x31
57#define AXP20X_OFF_CTRL 0x32
58#define AXP20X_CHRG_CTRL1 0x33
59#define AXP20X_CHRG_CTRL2 0x34
60#define AXP20X_CHRG_BAK_CTRL 0x35
61#define AXP20X_PEK_KEY 0x36
62#define AXP20X_DCDC_FREQ 0x37
63#define AXP20X_V_LTF_CHRG 0x38
64#define AXP20X_V_HTF_CHRG 0x39
65#define AXP20X_APS_WARN_L1 0x3a
66#define AXP20X_APS_WARN_L2 0x3b
67#define AXP20X_V_LTF_DISCHRG 0x3c
68#define AXP20X_V_HTF_DISCHRG 0x3d
69
70#define AXP22X_PWR_OUT_CTRL1 0x10
71#define AXP22X_PWR_OUT_CTRL2 0x12
72#define AXP22X_PWR_OUT_CTRL3 0x13
73#define AXP22X_DLDO1_V_OUT 0x15
74#define AXP22X_DLDO2_V_OUT 0x16
75#define AXP22X_DLDO3_V_OUT 0x17
76#define AXP22X_DLDO4_V_OUT 0x18
77#define AXP22X_ELDO1_V_OUT 0x19
78#define AXP22X_ELDO2_V_OUT 0x1a
79#define AXP22X_ELDO3_V_OUT 0x1b
80#define AXP22X_DC5LDO_V_OUT 0x1c
81#define AXP22X_DCDC1_V_OUT 0x21
82#define AXP22X_DCDC2_V_OUT 0x22
83#define AXP22X_DCDC3_V_OUT 0x23
84#define AXP22X_DCDC4_V_OUT 0x24
85#define AXP22X_DCDC5_V_OUT 0x25
86#define AXP22X_DCDC23_V_RAMP_CTRL 0x27
87#define AXP22X_ALDO1_V_OUT 0x28
88#define AXP22X_ALDO2_V_OUT 0x29
89#define AXP22X_ALDO3_V_OUT 0x2a
90#define AXP22X_CHRG_CTRL3 0x35
91
92/* Interrupt */
93#define AXP152_IRQ1_EN 0x40
94#define AXP152_IRQ2_EN 0x41
95#define AXP152_IRQ3_EN 0x42
96#define AXP152_IRQ1_STATE 0x48
97#define AXP152_IRQ2_STATE 0x49
98#define AXP152_IRQ3_STATE 0x4a
99
100#define AXP20X_IRQ1_EN 0x40
101#define AXP20X_IRQ2_EN 0x41
102#define AXP20X_IRQ3_EN 0x42
103#define AXP20X_IRQ4_EN 0x43
104#define AXP20X_IRQ5_EN 0x44
105#define AXP20X_IRQ6_EN 0x45
106#define AXP20X_IRQ1_STATE 0x48
107#define AXP20X_IRQ2_STATE 0x49
108#define AXP20X_IRQ3_STATE 0x4a
109#define AXP20X_IRQ4_STATE 0x4b
110#define AXP20X_IRQ5_STATE 0x4c
111#define AXP20X_IRQ6_STATE 0x4d
112
113/* ADC */
114#define AXP20X_ACIN_V_ADC_H 0x56
115#define AXP20X_ACIN_V_ADC_L 0x57
116#define AXP20X_ACIN_I_ADC_H 0x58
117#define AXP20X_ACIN_I_ADC_L 0x59
118#define AXP20X_VBUS_V_ADC_H 0x5a
119#define AXP20X_VBUS_V_ADC_L 0x5b
120#define AXP20X_VBUS_I_ADC_H 0x5c
121#define AXP20X_VBUS_I_ADC_L 0x5d
122#define AXP20X_TEMP_ADC_H 0x5e
123#define AXP20X_TEMP_ADC_L 0x5f
124#define AXP20X_TS_IN_H 0x62
125#define AXP20X_TS_IN_L 0x63
126#define AXP20X_GPIO0_V_ADC_H 0x64
127#define AXP20X_GPIO0_V_ADC_L 0x65
128#define AXP20X_GPIO1_V_ADC_H 0x66
129#define AXP20X_GPIO1_V_ADC_L 0x67
130#define AXP20X_PWR_BATT_H 0x70
131#define AXP20X_PWR_BATT_M 0x71
132#define AXP20X_PWR_BATT_L 0x72
133#define AXP20X_BATT_V_H 0x78
134#define AXP20X_BATT_V_L 0x79
135#define AXP20X_BATT_CHRG_I_H 0x7a
136#define AXP20X_BATT_CHRG_I_L 0x7b
137#define AXP20X_BATT_DISCHRG_I_H 0x7c
138#define AXP20X_BATT_DISCHRG_I_L 0x7d
139#define AXP20X_IPSOUT_V_HIGH_H 0x7e
140#define AXP20X_IPSOUT_V_HIGH_L 0x7f
141
142/* Power supply */
143#define AXP20X_DCDC_MODE 0x80
144#define AXP20X_ADC_EN1 0x82
145#define AXP20X_ADC_EN2 0x83
146#define AXP20X_ADC_RATE 0x84
147#define AXP20X_GPIO10_IN_RANGE 0x85
148#define AXP20X_GPIO1_ADC_IRQ_RIS 0x86
149#define AXP20X_GPIO1_ADC_IRQ_FAL 0x87
150#define AXP20X_TIMER_CTRL 0x8a
151#define AXP20X_VBUS_MON 0x8b
152#define AXP20X_OVER_TMP 0x8f
153
154#define AXP22X_PWREN_CTRL1 0x8c
155#define AXP22X_PWREN_CTRL2 0x8d
156
157/* GPIO */
158#define AXP152_GPIO0_CTRL 0x90
159#define AXP152_GPIO1_CTRL 0x91
160#define AXP152_GPIO2_CTRL 0x92
161#define AXP152_GPIO3_CTRL 0x93
162#define AXP152_LDOGPIO2_V_OUT 0x96
163#define AXP152_GPIO_INPUT 0x97
164#define AXP152_PWM0_FREQ_X 0x98
165#define AXP152_PWM0_FREQ_Y 0x99
166#define AXP152_PWM0_DUTY_CYCLE 0x9a
167#define AXP152_PWM1_FREQ_X 0x9b
168#define AXP152_PWM1_FREQ_Y 0x9c
169#define AXP152_PWM1_DUTY_CYCLE 0x9d
170
171#define AXP20X_GPIO0_CTRL 0x90
172#define AXP20X_LDO5_V_OUT 0x91
173#define AXP20X_GPIO1_CTRL 0x92
174#define AXP20X_GPIO2_CTRL 0x93
175#define AXP20X_GPIO20_SS 0x94
176#define AXP20X_GPIO3_CTRL 0x95
177
178#define AXP22X_LDO_IO0_V_OUT 0x91
179#define AXP22X_LDO_IO1_V_OUT 0x93
180#define AXP22X_GPIO_STATE 0x94
181#define AXP22X_GPIO_PULL_DOWN 0x95
182
183/* Battery */
184#define AXP20X_CHRG_CC_31_24 0xb0
185#define AXP20X_CHRG_CC_23_16 0xb1
186#define AXP20X_CHRG_CC_15_8 0xb2
187#define AXP20X_CHRG_CC_7_0 0xb3
188#define AXP20X_DISCHRG_CC_31_24 0xb4
189#define AXP20X_DISCHRG_CC_23_16 0xb5
190#define AXP20X_DISCHRG_CC_15_8 0xb6
191#define AXP20X_DISCHRG_CC_7_0 0xb7
192#define AXP20X_CC_CTRL 0xb8
193#define AXP20X_FG_RES 0xb9
194
195/* OCV */
196#define AXP20X_RDC_H 0xba
197#define AXP20X_RDC_L 0xbb
198#define AXP20X_OCV(m) (0xc0 + (m))
199#define AXP20X_OCV_MAX 0xf
200
201/* AXP22X specific registers */
202#define AXP22X_BATLOW_THRES1 0xe6
203
204/* AXP288 specific registers */
205#define AXP288_PMIC_ADC_H 0x56
206#define AXP288_PMIC_ADC_L 0x57
207#define AXP288_ADC_TS_PIN_CTRL 0x84
208#define AXP288_PMIC_ADC_EN 0x84
209
210/* Fuel Gauge */
211#define AXP288_FG_RDC1_REG 0xba
212#define AXP288_FG_RDC0_REG 0xbb
213#define AXP288_FG_OCVH_REG 0xbc
214#define AXP288_FG_OCVL_REG 0xbd
215#define AXP288_FG_OCV_CURVE_REG 0xc0
216#define AXP288_FG_DES_CAP1_REG 0xe0
217#define AXP288_FG_DES_CAP0_REG 0xe1
218#define AXP288_FG_CC_MTR1_REG 0xe2
219#define AXP288_FG_CC_MTR0_REG 0xe3
220#define AXP288_FG_OCV_CAP_REG 0xe4
221#define AXP288_FG_CC_CAP_REG 0xe5
222#define AXP288_FG_LOW_CAP_REG 0xe6
223#define AXP288_FG_TUNE0 0xe8
224#define AXP288_FG_TUNE1 0xe9
225#define AXP288_FG_TUNE2 0xea
226#define AXP288_FG_TUNE3 0xeb
227#define AXP288_FG_TUNE4 0xec
228#define AXP288_FG_TUNE5 0xed
229
230/* Regulators IDs */
231enum {
232 AXP20X_LDO1 = 0,
233 AXP20X_LDO2,
234 AXP20X_LDO3,
235 AXP20X_LDO4,
236 AXP20X_LDO5,
237 AXP20X_DCDC2,
238 AXP20X_DCDC3,
239 AXP20X_REG_ID_MAX,
240};
241
242enum {
243 AXP22X_DCDC1 = 0,
244 AXP22X_DCDC2,
245 AXP22X_DCDC3,
246 AXP22X_DCDC4,
247 AXP22X_DCDC5,
248 AXP22X_DC1SW,
249 AXP22X_DC5LDO,
250 AXP22X_ALDO1,
251 AXP22X_ALDO2,
252 AXP22X_ALDO3,
253 AXP22X_ELDO1,
254 AXP22X_ELDO2,
255 AXP22X_ELDO3,
256 AXP22X_DLDO1,
257 AXP22X_DLDO2,
258 AXP22X_DLDO3,
259 AXP22X_DLDO4,
260 AXP22X_RTC_LDO,
261 AXP22X_LDO_IO0,
262 AXP22X_LDO_IO1,
263 AXP22X_REG_ID_MAX,
264};
265
266/* IRQs */
267enum {
268 AXP152_IRQ_LDO0IN_CONNECT = 1,
269 AXP152_IRQ_LDO0IN_REMOVAL,
270 AXP152_IRQ_ALDO0IN_CONNECT,
271 AXP152_IRQ_ALDO0IN_REMOVAL,
272 AXP152_IRQ_DCDC1_V_LOW,
273 AXP152_IRQ_DCDC2_V_LOW,
274 AXP152_IRQ_DCDC3_V_LOW,
275 AXP152_IRQ_DCDC4_V_LOW,
276 AXP152_IRQ_PEK_SHORT,
277 AXP152_IRQ_PEK_LONG,
278 AXP152_IRQ_TIMER,
279 AXP152_IRQ_PEK_RIS_EDGE,
280 AXP152_IRQ_PEK_FAL_EDGE,
281 AXP152_IRQ_GPIO3_INPUT,
282 AXP152_IRQ_GPIO2_INPUT,
283 AXP152_IRQ_GPIO1_INPUT,
284 AXP152_IRQ_GPIO0_INPUT,
285};
286
287enum {
288 AXP20X_IRQ_ACIN_OVER_V = 1,
289 AXP20X_IRQ_ACIN_PLUGIN,
290 AXP20X_IRQ_ACIN_REMOVAL,
291 AXP20X_IRQ_VBUS_OVER_V,
292 AXP20X_IRQ_VBUS_PLUGIN,
293 AXP20X_IRQ_VBUS_REMOVAL,
294 AXP20X_IRQ_VBUS_V_LOW,
295 AXP20X_IRQ_BATT_PLUGIN,
296 AXP20X_IRQ_BATT_REMOVAL,
297 AXP20X_IRQ_BATT_ENT_ACT_MODE,
298 AXP20X_IRQ_BATT_EXIT_ACT_MODE,
299 AXP20X_IRQ_CHARG,
300 AXP20X_IRQ_CHARG_DONE,
301 AXP20X_IRQ_BATT_TEMP_HIGH,
302 AXP20X_IRQ_BATT_TEMP_LOW,
303 AXP20X_IRQ_DIE_TEMP_HIGH,
304 AXP20X_IRQ_CHARG_I_LOW,
305 AXP20X_IRQ_DCDC1_V_LONG,
306 AXP20X_IRQ_DCDC2_V_LONG,
307 AXP20X_IRQ_DCDC3_V_LONG,
308 AXP20X_IRQ_PEK_SHORT = 22,
309 AXP20X_IRQ_PEK_LONG,
310 AXP20X_IRQ_N_OE_PWR_ON,
311 AXP20X_IRQ_N_OE_PWR_OFF,
312 AXP20X_IRQ_VBUS_VALID,
313 AXP20X_IRQ_VBUS_NOT_VALID,
314 AXP20X_IRQ_VBUS_SESS_VALID,
315 AXP20X_IRQ_VBUS_SESS_END,
316 AXP20X_IRQ_LOW_PWR_LVL1,
317 AXP20X_IRQ_LOW_PWR_LVL2,
318 AXP20X_IRQ_TIMER,
319 AXP20X_IRQ_PEK_RIS_EDGE,
320 AXP20X_IRQ_PEK_FAL_EDGE,
321 AXP20X_IRQ_GPIO3_INPUT,
322 AXP20X_IRQ_GPIO2_INPUT,
323 AXP20X_IRQ_GPIO1_INPUT,
324 AXP20X_IRQ_GPIO0_INPUT,
325};
326
327enum axp22x_irqs {
328 AXP22X_IRQ_ACIN_OVER_V = 1,
329 AXP22X_IRQ_ACIN_PLUGIN,
330 AXP22X_IRQ_ACIN_REMOVAL,
331 AXP22X_IRQ_VBUS_OVER_V,
332 AXP22X_IRQ_VBUS_PLUGIN,
333 AXP22X_IRQ_VBUS_REMOVAL,
334 AXP22X_IRQ_VBUS_V_LOW,
335 AXP22X_IRQ_BATT_PLUGIN,
336 AXP22X_IRQ_BATT_REMOVAL,
337 AXP22X_IRQ_BATT_ENT_ACT_MODE,
338 AXP22X_IRQ_BATT_EXIT_ACT_MODE,
339 AXP22X_IRQ_CHARG,
340 AXP22X_IRQ_CHARG_DONE,
341 AXP22X_IRQ_BATT_TEMP_HIGH,
342 AXP22X_IRQ_BATT_TEMP_LOW,
343 AXP22X_IRQ_DIE_TEMP_HIGH,
344 AXP22X_IRQ_PEK_SHORT,
345 AXP22X_IRQ_PEK_LONG,
346 AXP22X_IRQ_LOW_PWR_LVL1,
347 AXP22X_IRQ_LOW_PWR_LVL2,
348 AXP22X_IRQ_TIMER,
349 AXP22X_IRQ_PEK_RIS_EDGE,
350 AXP22X_IRQ_PEK_FAL_EDGE,
351 AXP22X_IRQ_GPIO1_INPUT,
352 AXP22X_IRQ_GPIO0_INPUT,
353};
354
355enum axp288_irqs {
356 AXP288_IRQ_VBUS_FALL = 2,
357 AXP288_IRQ_VBUS_RISE,
358 AXP288_IRQ_OV,
359 AXP288_IRQ_FALLING_ALT,
360 AXP288_IRQ_RISING_ALT,
361 AXP288_IRQ_OV_ALT,
362 AXP288_IRQ_DONE = 10,
363 AXP288_IRQ_CHARGING,
364 AXP288_IRQ_SAFE_QUIT,
365 AXP288_IRQ_SAFE_ENTER,
366 AXP288_IRQ_ABSENT,
367 AXP288_IRQ_APPEND,
368 AXP288_IRQ_QWBTU,
369 AXP288_IRQ_WBTU,
370 AXP288_IRQ_QWBTO,
371 AXP288_IRQ_WBTO,
372 AXP288_IRQ_QCBTU,
373 AXP288_IRQ_CBTU,
374 AXP288_IRQ_QCBTO,
375 AXP288_IRQ_CBTO,
376 AXP288_IRQ_WL2,
377 AXP288_IRQ_WL1,
378 AXP288_IRQ_GPADC,
379 AXP288_IRQ_OT = 31,
380 AXP288_IRQ_GPIO0,
381 AXP288_IRQ_GPIO1,
382 AXP288_IRQ_POKO,
383 AXP288_IRQ_POKL,
384 AXP288_IRQ_POKS,
385 AXP288_IRQ_POKN,
386 AXP288_IRQ_POKP,
387 AXP288_IRQ_TIMER,
388 AXP288_IRQ_MV_CHNG,
389 AXP288_IRQ_BC_USB_CHNG,
390};
391
392#define AXP288_TS_ADC_H 0x58
393#define AXP288_TS_ADC_L 0x59
394#define AXP288_GP_ADC_H 0x5a
395#define AXP288_GP_ADC_L 0x5b
396
397struct axp20x_dev {
398 struct device *dev;
399 struct i2c_client *i2c_client;
400 struct regmap *regmap;
401 struct regmap_irq_chip_data *regmap_irqc;
402 long variant;
403 int nr_cells;
404 struct mfd_cell *cells;
405 const struct regmap_config *regmap_cfg;
406 const struct regmap_irq_chip *regmap_irq_chip;
407};
408
409#define BATTID_LEN 64
410#define OCV_CURVE_SIZE 32
411#define MAX_THERM_CURVE_SIZE 25
412#define PD_DEF_MIN_TEMP 0
413#define PD_DEF_MAX_TEMP 55
414
415struct axp20x_fg_pdata {
416 char battid[BATTID_LEN + 1];
417 int design_cap;
418 int min_volt;
419 int max_volt;
420 int max_temp;
421 int min_temp;
422 int cap1;
423 int cap0;
424 int rdc1;
425 int rdc0;
426 int ocv_curve[OCV_CURVE_SIZE];
427 int tcsz;
428 int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
429};
430
431struct axp20x_chrg_pdata {
432 int max_cc;
433 int max_cv;
434 int def_cc;
435 int def_cv;
436};
437
438struct axp288_extcon_pdata {
439 /* GPIO pin control to switch D+/D- lines b/w PMIC and SOC */
440 struct gpio_desc *gpio_mux_cntl;
441};
442
443/* generic helper function for reading 9-16 bit wide regs */
444static inline int axp20x_read_variable_width(struct regmap *regmap,
445 unsigned int reg, unsigned int width)
446{
447 unsigned int reg_val, result;
448 int err;
449
450 err = regmap_read(regmap, reg, ®_val);
451 if (err)
452 return err;
453
454 result = reg_val << (width - 8);
455
456 err = regmap_read(regmap, reg + 1, ®_val);
457 if (err)
458 return err;
459
460 result |= reg_val;
461
462 return result;
463}
464
465#endif /* __LINUX_MFD_AXP20X_H */