Merge tag 'iio-for-4.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...
[linux-2.6-microblaze.git] / drivers / mfd / axp20x.c
1 /*
2  * MFD core driver for the X-Powers' Power Management ICs
3  *
4  * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC
5  * converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature
6  * as well as configurable GPIOs.
7  *
8  * This file contains the interface independent core functions.
9  *
10  * Copyright (C) 2014 Carlo Caione
11  *
12  * Author: Carlo Caione <carlo@caione.org>
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2 as
16  * published by the Free Software Foundation.
17  */
18
19 #include <linux/err.h>
20 #include <linux/delay.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/module.h>
24 #include <linux/pm_runtime.h>
25 #include <linux/regmap.h>
26 #include <linux/regulator/consumer.h>
27 #include <linux/mfd/axp20x.h>
28 #include <linux/mfd/core.h>
29 #include <linux/of_device.h>
30 #include <linux/acpi.h>
31
32 #define AXP20X_OFF      0x80
33
34 #define AXP806_REG_ADDR_EXT_ADDR_MASTER_MODE    0
35 #define AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE     BIT(4)
36
37 static const char * const axp20x_model_names[] = {
38         "AXP152",
39         "AXP202",
40         "AXP209",
41         "AXP221",
42         "AXP223",
43         "AXP288",
44         "AXP803",
45         "AXP806",
46         "AXP809",
47         "AXP813",
48 };
49
50 static const struct regmap_range axp152_writeable_ranges[] = {
51         regmap_reg_range(AXP152_LDO3456_DC1234_CTRL, AXP152_IRQ3_STATE),
52         regmap_reg_range(AXP152_DCDC_MODE, AXP152_PWM1_DUTY_CYCLE),
53 };
54
55 static const struct regmap_range axp152_volatile_ranges[] = {
56         regmap_reg_range(AXP152_PWR_OP_MODE, AXP152_PWR_OP_MODE),
57         regmap_reg_range(AXP152_IRQ1_EN, AXP152_IRQ3_STATE),
58         regmap_reg_range(AXP152_GPIO_INPUT, AXP152_GPIO_INPUT),
59 };
60
61 static const struct regmap_access_table axp152_writeable_table = {
62         .yes_ranges     = axp152_writeable_ranges,
63         .n_yes_ranges   = ARRAY_SIZE(axp152_writeable_ranges),
64 };
65
66 static const struct regmap_access_table axp152_volatile_table = {
67         .yes_ranges     = axp152_volatile_ranges,
68         .n_yes_ranges   = ARRAY_SIZE(axp152_volatile_ranges),
69 };
70
71 static const struct regmap_range axp20x_writeable_ranges[] = {
72         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
73         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
74         regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
75         regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(AXP20X_OCV_MAX)),
76 };
77
78 static const struct regmap_range axp20x_volatile_ranges[] = {
79         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),
80         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
81         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
82         regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
83         regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),
84         regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),
85 };
86
87 static const struct regmap_access_table axp20x_writeable_table = {
88         .yes_ranges     = axp20x_writeable_ranges,
89         .n_yes_ranges   = ARRAY_SIZE(axp20x_writeable_ranges),
90 };
91
92 static const struct regmap_access_table axp20x_volatile_table = {
93         .yes_ranges     = axp20x_volatile_ranges,
94         .n_yes_ranges   = ARRAY_SIZE(axp20x_volatile_ranges),
95 };
96
97 /* AXP22x ranges are shared with the AXP809, as they cover the same range */
98 static const struct regmap_range axp22x_writeable_ranges[] = {
99         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
100         regmap_reg_range(AXP20X_CHRG_CTRL1, AXP22X_CHRG_CTRL3),
101         regmap_reg_range(AXP20X_DCDC_MODE, AXP22X_BATLOW_THRES1),
102 };
103
104 static const struct regmap_range axp22x_volatile_ranges[] = {
105         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE),
106         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
107         regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
108         regmap_reg_range(AXP22X_PMIC_TEMP_H, AXP20X_IPSOUT_V_HIGH_L),
109         regmap_reg_range(AXP20X_FG_RES, AXP20X_FG_RES),
110 };
111
112 static const struct regmap_access_table axp22x_writeable_table = {
113         .yes_ranges     = axp22x_writeable_ranges,
114         .n_yes_ranges   = ARRAY_SIZE(axp22x_writeable_ranges),
115 };
116
117 static const struct regmap_access_table axp22x_volatile_table = {
118         .yes_ranges     = axp22x_volatile_ranges,
119         .n_yes_ranges   = ARRAY_SIZE(axp22x_volatile_ranges),
120 };
121
122 /* AXP288 ranges are shared with the AXP803, as they cover the same range */
123 static const struct regmap_range axp288_writeable_ranges[] = {
124         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
125         regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
126 };
127
128 static const struct regmap_range axp288_volatile_ranges[] = {
129         regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON),
130         regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL),
131         regmap_reg_range(AXP288_BC_DET_STAT, AXP288_BC_DET_STAT),
132         regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL),
133         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
134         regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
135         regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
136         regmap_reg_range(AXP288_RT_BATT_V_H, AXP288_RT_BATT_V_L),
137         regmap_reg_range(AXP20X_FG_RES, AXP288_FG_CC_CAP_REG),
138 };
139
140 static const struct regmap_access_table axp288_writeable_table = {
141         .yes_ranges     = axp288_writeable_ranges,
142         .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
143 };
144
145 static const struct regmap_access_table axp288_volatile_table = {
146         .yes_ranges     = axp288_volatile_ranges,
147         .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
148 };
149
150 static const struct regmap_range axp806_writeable_ranges[] = {
151         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_DATACACHE(3)),
152         regmap_reg_range(AXP806_PWR_OUT_CTRL1, AXP806_CLDO3_V_CTRL),
153         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ2_EN),
154         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
155         regmap_reg_range(AXP806_REG_ADDR_EXT, AXP806_REG_ADDR_EXT),
156 };
157
158 static const struct regmap_range axp806_volatile_ranges[] = {
159         regmap_reg_range(AXP20X_IRQ1_STATE, AXP20X_IRQ2_STATE),
160 };
161
162 static const struct regmap_access_table axp806_writeable_table = {
163         .yes_ranges     = axp806_writeable_ranges,
164         .n_yes_ranges   = ARRAY_SIZE(axp806_writeable_ranges),
165 };
166
167 static const struct regmap_access_table axp806_volatile_table = {
168         .yes_ranges     = axp806_volatile_ranges,
169         .n_yes_ranges   = ARRAY_SIZE(axp806_volatile_ranges),
170 };
171
172 static const struct resource axp152_pek_resources[] = {
173         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
174         DEFINE_RES_IRQ_NAMED(AXP152_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
175 };
176
177 static const struct resource axp20x_ac_power_supply_resources[] = {
178         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_PLUGIN, "ACIN_PLUGIN"),
179         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_REMOVAL, "ACIN_REMOVAL"),
180         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_ACIN_OVER_V, "ACIN_OVER_V"),
181 };
182
183 static const struct resource axp20x_pek_resources[] = {
184         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
185         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
186 };
187
188 static const struct resource axp20x_usb_power_supply_resources[] = {
189         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
190         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
191         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_VALID, "VBUS_VALID"),
192         DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"),
193 };
194
195 static const struct resource axp22x_usb_power_supply_resources[] = {
196         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
197         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
198 };
199
200 static const struct resource axp22x_pek_resources[] = {
201         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
202         DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
203 };
204
205 static const struct resource axp288_power_button_resources[] = {
206         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_POKP, "PEK_DBR"),
207         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_POKN, "PEK_DBF"),
208 };
209
210 static const struct resource axp288_fuel_gauge_resources[] = {
211         DEFINE_RES_IRQ(AXP288_IRQ_QWBTU),
212         DEFINE_RES_IRQ(AXP288_IRQ_WBTU),
213         DEFINE_RES_IRQ(AXP288_IRQ_QWBTO),
214         DEFINE_RES_IRQ(AXP288_IRQ_WBTO),
215         DEFINE_RES_IRQ(AXP288_IRQ_WL2),
216         DEFINE_RES_IRQ(AXP288_IRQ_WL1),
217 };
218
219 static const struct resource axp803_pek_resources[] = {
220         DEFINE_RES_IRQ_NAMED(AXP803_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
221         DEFINE_RES_IRQ_NAMED(AXP803_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
222 };
223
224 static const struct resource axp806_pek_resources[] = {
225         DEFINE_RES_IRQ_NAMED(AXP806_IRQ_POK_RISE, "PEK_DBR"),
226         DEFINE_RES_IRQ_NAMED(AXP806_IRQ_POK_FALL, "PEK_DBF"),
227 };
228
229 static const struct resource axp809_pek_resources[] = {
230         DEFINE_RES_IRQ_NAMED(AXP809_IRQ_PEK_RIS_EDGE, "PEK_DBR"),
231         DEFINE_RES_IRQ_NAMED(AXP809_IRQ_PEK_FAL_EDGE, "PEK_DBF"),
232 };
233
234 static const struct regmap_config axp152_regmap_config = {
235         .reg_bits       = 8,
236         .val_bits       = 8,
237         .wr_table       = &axp152_writeable_table,
238         .volatile_table = &axp152_volatile_table,
239         .max_register   = AXP152_PWM1_DUTY_CYCLE,
240         .cache_type     = REGCACHE_RBTREE,
241 };
242
243 static const struct regmap_config axp20x_regmap_config = {
244         .reg_bits       = 8,
245         .val_bits       = 8,
246         .wr_table       = &axp20x_writeable_table,
247         .volatile_table = &axp20x_volatile_table,
248         .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
249         .cache_type     = REGCACHE_RBTREE,
250 };
251
252 static const struct regmap_config axp22x_regmap_config = {
253         .reg_bits       = 8,
254         .val_bits       = 8,
255         .wr_table       = &axp22x_writeable_table,
256         .volatile_table = &axp22x_volatile_table,
257         .max_register   = AXP22X_BATLOW_THRES1,
258         .cache_type     = REGCACHE_RBTREE,
259 };
260
261 static const struct regmap_config axp288_regmap_config = {
262         .reg_bits       = 8,
263         .val_bits       = 8,
264         .wr_table       = &axp288_writeable_table,
265         .volatile_table = &axp288_volatile_table,
266         .max_register   = AXP288_FG_TUNE5,
267         .cache_type     = REGCACHE_RBTREE,
268 };
269
270 static const struct regmap_config axp806_regmap_config = {
271         .reg_bits       = 8,
272         .val_bits       = 8,
273         .wr_table       = &axp806_writeable_table,
274         .volatile_table = &axp806_volatile_table,
275         .max_register   = AXP806_REG_ADDR_EXT,
276         .cache_type     = REGCACHE_RBTREE,
277 };
278
279 #define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                    \
280         [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
281
282 static const struct regmap_irq axp152_regmap_irqs[] = {
283         INIT_REGMAP_IRQ(AXP152, LDO0IN_CONNECT,         0, 6),
284         INIT_REGMAP_IRQ(AXP152, LDO0IN_REMOVAL,         0, 5),
285         INIT_REGMAP_IRQ(AXP152, ALDO0IN_CONNECT,        0, 3),
286         INIT_REGMAP_IRQ(AXP152, ALDO0IN_REMOVAL,        0, 2),
287         INIT_REGMAP_IRQ(AXP152, DCDC1_V_LOW,            1, 5),
288         INIT_REGMAP_IRQ(AXP152, DCDC2_V_LOW,            1, 4),
289         INIT_REGMAP_IRQ(AXP152, DCDC3_V_LOW,            1, 3),
290         INIT_REGMAP_IRQ(AXP152, DCDC4_V_LOW,            1, 2),
291         INIT_REGMAP_IRQ(AXP152, PEK_SHORT,              1, 1),
292         INIT_REGMAP_IRQ(AXP152, PEK_LONG,               1, 0),
293         INIT_REGMAP_IRQ(AXP152, TIMER,                  2, 7),
294         INIT_REGMAP_IRQ(AXP152, PEK_RIS_EDGE,           2, 6),
295         INIT_REGMAP_IRQ(AXP152, PEK_FAL_EDGE,           2, 5),
296         INIT_REGMAP_IRQ(AXP152, GPIO3_INPUT,            2, 3),
297         INIT_REGMAP_IRQ(AXP152, GPIO2_INPUT,            2, 2),
298         INIT_REGMAP_IRQ(AXP152, GPIO1_INPUT,            2, 1),
299         INIT_REGMAP_IRQ(AXP152, GPIO0_INPUT,            2, 0),
300 };
301
302 static const struct regmap_irq axp20x_regmap_irqs[] = {
303         INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
304         INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
305         INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
306         INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
307         INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
308         INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
309         INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
310         INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
311         INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
312         INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
313         INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
314         INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
315         INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
316         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
317         INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
318         INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
319         INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
320         INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
321         INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
322         INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
323         INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
324         INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
325         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
326         INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
327         INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
328         INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
329         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
330         INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
331         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
332         INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
333         INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
334         INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
335         INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
336         INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
337         INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
338         INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
339         INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
340 };
341
342 static const struct regmap_irq axp22x_regmap_irqs[] = {
343         INIT_REGMAP_IRQ(AXP22X, ACIN_OVER_V,            0, 7),
344         INIT_REGMAP_IRQ(AXP22X, ACIN_PLUGIN,            0, 6),
345         INIT_REGMAP_IRQ(AXP22X, ACIN_REMOVAL,           0, 5),
346         INIT_REGMAP_IRQ(AXP22X, VBUS_OVER_V,            0, 4),
347         INIT_REGMAP_IRQ(AXP22X, VBUS_PLUGIN,            0, 3),
348         INIT_REGMAP_IRQ(AXP22X, VBUS_REMOVAL,           0, 2),
349         INIT_REGMAP_IRQ(AXP22X, VBUS_V_LOW,             0, 1),
350         INIT_REGMAP_IRQ(AXP22X, BATT_PLUGIN,            1, 7),
351         INIT_REGMAP_IRQ(AXP22X, BATT_REMOVAL,           1, 6),
352         INIT_REGMAP_IRQ(AXP22X, BATT_ENT_ACT_MODE,      1, 5),
353         INIT_REGMAP_IRQ(AXP22X, BATT_EXIT_ACT_MODE,     1, 4),
354         INIT_REGMAP_IRQ(AXP22X, CHARG,                  1, 3),
355         INIT_REGMAP_IRQ(AXP22X, CHARG_DONE,             1, 2),
356         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_HIGH,         1, 1),
357         INIT_REGMAP_IRQ(AXP22X, BATT_TEMP_LOW,          1, 0),
358         INIT_REGMAP_IRQ(AXP22X, DIE_TEMP_HIGH,          2, 7),
359         INIT_REGMAP_IRQ(AXP22X, PEK_SHORT,              2, 1),
360         INIT_REGMAP_IRQ(AXP22X, PEK_LONG,               2, 0),
361         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL1,           3, 1),
362         INIT_REGMAP_IRQ(AXP22X, LOW_PWR_LVL2,           3, 0),
363         INIT_REGMAP_IRQ(AXP22X, TIMER,                  4, 7),
364         INIT_REGMAP_IRQ(AXP22X, PEK_RIS_EDGE,           4, 6),
365         INIT_REGMAP_IRQ(AXP22X, PEK_FAL_EDGE,           4, 5),
366         INIT_REGMAP_IRQ(AXP22X, GPIO1_INPUT,            4, 1),
367         INIT_REGMAP_IRQ(AXP22X, GPIO0_INPUT,            4, 0),
368 };
369
370 /* some IRQs are compatible with axp20x models */
371 static const struct regmap_irq axp288_regmap_irqs[] = {
372         INIT_REGMAP_IRQ(AXP288, VBUS_FALL,              0, 2),
373         INIT_REGMAP_IRQ(AXP288, VBUS_RISE,              0, 3),
374         INIT_REGMAP_IRQ(AXP288, OV,                     0, 4),
375         INIT_REGMAP_IRQ(AXP288, FALLING_ALT,            0, 5),
376         INIT_REGMAP_IRQ(AXP288, RISING_ALT,             0, 6),
377         INIT_REGMAP_IRQ(AXP288, OV_ALT,                 0, 7),
378
379         INIT_REGMAP_IRQ(AXP288, DONE,                   1, 2),
380         INIT_REGMAP_IRQ(AXP288, CHARGING,               1, 3),
381         INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
382         INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
383         INIT_REGMAP_IRQ(AXP288, ABSENT,                 1, 6),
384         INIT_REGMAP_IRQ(AXP288, APPEND,                 1, 7),
385
386         INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
387         INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
388         INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
389         INIT_REGMAP_IRQ(AXP288, WBTO,                   2, 3),
390         INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
391         INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
392         INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
393         INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
394
395         INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
396         INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
397         INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
398         INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
399
400         INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
401         INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
402         INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
403         INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
404         INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
405         INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
406         INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
407         INIT_REGMAP_IRQ(AXP288, TIMER,                  4, 7),
408
409         INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
410         INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
411 };
412
413 static const struct regmap_irq axp803_regmap_irqs[] = {
414         INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V,            0, 7),
415         INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN,            0, 6),
416         INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL,           0, 5),
417         INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V,            0, 4),
418         INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN,            0, 3),
419         INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL,           0, 2),
420         INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN,            1, 7),
421         INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL,           1, 6),
422         INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE,      1, 5),
423         INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE,     1, 4),
424         INIT_REGMAP_IRQ(AXP803, CHARG,                  1, 3),
425         INIT_REGMAP_IRQ(AXP803, CHARG_DONE,             1, 2),
426         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH,     2, 7),
427         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END, 2, 6),
428         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW,      2, 5),
429         INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END,  2, 4),
430         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH,     2, 3),
431         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END, 2, 2),
432         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW,      2, 1),
433         INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END,  2, 0),
434         INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH,          3, 7),
435         INIT_REGMAP_IRQ(AXP803, GPADC,                  3, 2),
436         INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1,           3, 1),
437         INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2,           3, 0),
438         INIT_REGMAP_IRQ(AXP803, TIMER,                  4, 7),
439         INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE,           4, 6),
440         INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE,           4, 5),
441         INIT_REGMAP_IRQ(AXP803, PEK_SHORT,              4, 4),
442         INIT_REGMAP_IRQ(AXP803, PEK_LONG,               4, 3),
443         INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF,           4, 2),
444         INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT,            4, 1),
445         INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT,            4, 0),
446         INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG,            5, 1),
447         INIT_REGMAP_IRQ(AXP803, MV_CHNG,                5, 0),
448 };
449
450 static const struct regmap_irq axp806_regmap_irqs[] = {
451         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,      0, 0),
452         INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,      0, 1),
453         INIT_REGMAP_IRQ(AXP806, DCDCA_V_LOW,            0, 3),
454         INIT_REGMAP_IRQ(AXP806, DCDCB_V_LOW,            0, 4),
455         INIT_REGMAP_IRQ(AXP806, DCDCC_V_LOW,            0, 5),
456         INIT_REGMAP_IRQ(AXP806, DCDCD_V_LOW,            0, 6),
457         INIT_REGMAP_IRQ(AXP806, DCDCE_V_LOW,            0, 7),
458         INIT_REGMAP_IRQ(AXP806, POK_LONG,               1, 0),
459         INIT_REGMAP_IRQ(AXP806, POK_SHORT,              1, 1),
460         INIT_REGMAP_IRQ(AXP806, WAKEUP,                 1, 4),
461         INIT_REGMAP_IRQ(AXP806, POK_FALL,               1, 5),
462         INIT_REGMAP_IRQ(AXP806, POK_RISE,               1, 6),
463 };
464
465 static const struct regmap_irq axp809_regmap_irqs[] = {
466         INIT_REGMAP_IRQ(AXP809, ACIN_OVER_V,            0, 7),
467         INIT_REGMAP_IRQ(AXP809, ACIN_PLUGIN,            0, 6),
468         INIT_REGMAP_IRQ(AXP809, ACIN_REMOVAL,           0, 5),
469         INIT_REGMAP_IRQ(AXP809, VBUS_OVER_V,            0, 4),
470         INIT_REGMAP_IRQ(AXP809, VBUS_PLUGIN,            0, 3),
471         INIT_REGMAP_IRQ(AXP809, VBUS_REMOVAL,           0, 2),
472         INIT_REGMAP_IRQ(AXP809, VBUS_V_LOW,             0, 1),
473         INIT_REGMAP_IRQ(AXP809, BATT_PLUGIN,            1, 7),
474         INIT_REGMAP_IRQ(AXP809, BATT_REMOVAL,           1, 6),
475         INIT_REGMAP_IRQ(AXP809, BATT_ENT_ACT_MODE,      1, 5),
476         INIT_REGMAP_IRQ(AXP809, BATT_EXIT_ACT_MODE,     1, 4),
477         INIT_REGMAP_IRQ(AXP809, CHARG,                  1, 3),
478         INIT_REGMAP_IRQ(AXP809, CHARG_DONE,             1, 2),
479         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH,     2, 7),
480         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_HIGH_END, 2, 6),
481         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW,      2, 5),
482         INIT_REGMAP_IRQ(AXP809, BATT_CHG_TEMP_LOW_END,  2, 4),
483         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH,     2, 3),
484         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_HIGH_END, 2, 2),
485         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW,      2, 1),
486         INIT_REGMAP_IRQ(AXP809, BATT_ACT_TEMP_LOW_END,  2, 0),
487         INIT_REGMAP_IRQ(AXP809, DIE_TEMP_HIGH,          3, 7),
488         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL1,           3, 1),
489         INIT_REGMAP_IRQ(AXP809, LOW_PWR_LVL2,           3, 0),
490         INIT_REGMAP_IRQ(AXP809, TIMER,                  4, 7),
491         INIT_REGMAP_IRQ(AXP809, PEK_RIS_EDGE,           4, 6),
492         INIT_REGMAP_IRQ(AXP809, PEK_FAL_EDGE,           4, 5),
493         INIT_REGMAP_IRQ(AXP809, PEK_SHORT,              4, 4),
494         INIT_REGMAP_IRQ(AXP809, PEK_LONG,               4, 3),
495         INIT_REGMAP_IRQ(AXP809, PEK_OVER_OFF,           4, 2),
496         INIT_REGMAP_IRQ(AXP809, GPIO1_INPUT,            4, 1),
497         INIT_REGMAP_IRQ(AXP809, GPIO0_INPUT,            4, 0),
498 };
499
500 static const struct regmap_irq_chip axp152_regmap_irq_chip = {
501         .name                   = "axp152_irq_chip",
502         .status_base            = AXP152_IRQ1_STATE,
503         .ack_base               = AXP152_IRQ1_STATE,
504         .mask_base              = AXP152_IRQ1_EN,
505         .mask_invert            = true,
506         .init_ack_masked        = true,
507         .irqs                   = axp152_regmap_irqs,
508         .num_irqs               = ARRAY_SIZE(axp152_regmap_irqs),
509         .num_regs               = 3,
510 };
511
512 static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
513         .name                   = "axp20x_irq_chip",
514         .status_base            = AXP20X_IRQ1_STATE,
515         .ack_base               = AXP20X_IRQ1_STATE,
516         .mask_base              = AXP20X_IRQ1_EN,
517         .mask_invert            = true,
518         .init_ack_masked        = true,
519         .irqs                   = axp20x_regmap_irqs,
520         .num_irqs               = ARRAY_SIZE(axp20x_regmap_irqs),
521         .num_regs               = 5,
522
523 };
524
525 static const struct regmap_irq_chip axp22x_regmap_irq_chip = {
526         .name                   = "axp22x_irq_chip",
527         .status_base            = AXP20X_IRQ1_STATE,
528         .ack_base               = AXP20X_IRQ1_STATE,
529         .mask_base              = AXP20X_IRQ1_EN,
530         .mask_invert            = true,
531         .init_ack_masked        = true,
532         .irqs                   = axp22x_regmap_irqs,
533         .num_irqs               = ARRAY_SIZE(axp22x_regmap_irqs),
534         .num_regs               = 5,
535 };
536
537 static const struct regmap_irq_chip axp288_regmap_irq_chip = {
538         .name                   = "axp288_irq_chip",
539         .status_base            = AXP20X_IRQ1_STATE,
540         .ack_base               = AXP20X_IRQ1_STATE,
541         .mask_base              = AXP20X_IRQ1_EN,
542         .mask_invert            = true,
543         .init_ack_masked        = true,
544         .irqs                   = axp288_regmap_irqs,
545         .num_irqs               = ARRAY_SIZE(axp288_regmap_irqs),
546         .num_regs               = 6,
547
548 };
549
550 static const struct regmap_irq_chip axp803_regmap_irq_chip = {
551         .name                   = "axp803",
552         .status_base            = AXP20X_IRQ1_STATE,
553         .ack_base               = AXP20X_IRQ1_STATE,
554         .mask_base              = AXP20X_IRQ1_EN,
555         .mask_invert            = true,
556         .init_ack_masked        = true,
557         .irqs                   = axp803_regmap_irqs,
558         .num_irqs               = ARRAY_SIZE(axp803_regmap_irqs),
559         .num_regs               = 6,
560 };
561
562 static const struct regmap_irq_chip axp806_regmap_irq_chip = {
563         .name                   = "axp806",
564         .status_base            = AXP20X_IRQ1_STATE,
565         .ack_base               = AXP20X_IRQ1_STATE,
566         .mask_base              = AXP20X_IRQ1_EN,
567         .mask_invert            = true,
568         .init_ack_masked        = true,
569         .irqs                   = axp806_regmap_irqs,
570         .num_irqs               = ARRAY_SIZE(axp806_regmap_irqs),
571         .num_regs               = 2,
572 };
573
574 static const struct regmap_irq_chip axp809_regmap_irq_chip = {
575         .name                   = "axp809",
576         .status_base            = AXP20X_IRQ1_STATE,
577         .ack_base               = AXP20X_IRQ1_STATE,
578         .mask_base              = AXP20X_IRQ1_EN,
579         .mask_invert            = true,
580         .init_ack_masked        = true,
581         .irqs                   = axp809_regmap_irqs,
582         .num_irqs               = ARRAY_SIZE(axp809_regmap_irqs),
583         .num_regs               = 5,
584 };
585
586 static const struct mfd_cell axp20x_cells[] = {
587         {
588                 .name           = "axp20x-gpio",
589                 .of_compatible  = "x-powers,axp209-gpio",
590         }, {
591                 .name           = "axp20x-pek",
592                 .num_resources  = ARRAY_SIZE(axp20x_pek_resources),
593                 .resources      = axp20x_pek_resources,
594         }, {
595                 .name           = "axp20x-regulator",
596         }, {
597                 .name           = "axp20x-adc",
598                 .of_compatible  = "x-powers,axp209-adc",
599         }, {
600                 .name           = "axp20x-battery-power-supply",
601                 .of_compatible  = "x-powers,axp209-battery-power-supply",
602         }, {
603                 .name           = "axp20x-ac-power-supply",
604                 .of_compatible  = "x-powers,axp202-ac-power-supply",
605                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
606                 .resources      = axp20x_ac_power_supply_resources,
607         }, {
608                 .name           = "axp20x-usb-power-supply",
609                 .of_compatible  = "x-powers,axp202-usb-power-supply",
610                 .num_resources  = ARRAY_SIZE(axp20x_usb_power_supply_resources),
611                 .resources      = axp20x_usb_power_supply_resources,
612         },
613 };
614
615 static const struct mfd_cell axp221_cells[] = {
616         {
617                 .name           = "axp221-pek",
618                 .num_resources  = ARRAY_SIZE(axp22x_pek_resources),
619                 .resources      = axp22x_pek_resources,
620         }, {
621                 .name           = "axp20x-regulator",
622         }, {
623                 .name           = "axp22x-adc",
624                 .of_compatible  = "x-powers,axp221-adc",
625         }, {
626                 .name           = "axp20x-ac-power-supply",
627                 .of_compatible  = "x-powers,axp221-ac-power-supply",
628                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
629                 .resources      = axp20x_ac_power_supply_resources,
630         }, {
631                 .name           = "axp20x-battery-power-supply",
632                 .of_compatible  = "x-powers,axp221-battery-power-supply",
633         }, {
634                 .name           = "axp20x-usb-power-supply",
635                 .of_compatible  = "x-powers,axp221-usb-power-supply",
636                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
637                 .resources      = axp22x_usb_power_supply_resources,
638         },
639 };
640
641 static const struct mfd_cell axp223_cells[] = {
642         {
643                 .name                   = "axp221-pek",
644                 .num_resources          = ARRAY_SIZE(axp22x_pek_resources),
645                 .resources              = axp22x_pek_resources,
646         }, {
647                 .name           = "axp22x-adc",
648                 .of_compatible  = "x-powers,axp221-adc",
649         }, {
650                 .name           = "axp20x-battery-power-supply",
651                 .of_compatible  = "x-powers,axp221-battery-power-supply",
652         }, {
653                 .name                   = "axp20x-regulator",
654         }, {
655                 .name           = "axp20x-ac-power-supply",
656                 .of_compatible  = "x-powers,axp221-ac-power-supply",
657                 .num_resources  = ARRAY_SIZE(axp20x_ac_power_supply_resources),
658                 .resources      = axp20x_ac_power_supply_resources,
659         }, {
660                 .name           = "axp20x-usb-power-supply",
661                 .of_compatible  = "x-powers,axp223-usb-power-supply",
662                 .num_resources  = ARRAY_SIZE(axp22x_usb_power_supply_resources),
663                 .resources      = axp22x_usb_power_supply_resources,
664         },
665 };
666
667 static const struct mfd_cell axp152_cells[] = {
668         {
669                 .name                   = "axp20x-pek",
670                 .num_resources          = ARRAY_SIZE(axp152_pek_resources),
671                 .resources              = axp152_pek_resources,
672         },
673 };
674
675 static const struct resource axp288_adc_resources[] = {
676         DEFINE_RES_IRQ_NAMED(AXP288_IRQ_GPADC, "GPADC"),
677 };
678
679 static const struct resource axp288_extcon_resources[] = {
680         DEFINE_RES_IRQ(AXP288_IRQ_VBUS_FALL),
681         DEFINE_RES_IRQ(AXP288_IRQ_VBUS_RISE),
682         DEFINE_RES_IRQ(AXP288_IRQ_MV_CHNG),
683         DEFINE_RES_IRQ(AXP288_IRQ_BC_USB_CHNG),
684 };
685
686 static const struct resource axp288_charger_resources[] = {
687         DEFINE_RES_IRQ(AXP288_IRQ_OV),
688         DEFINE_RES_IRQ(AXP288_IRQ_DONE),
689         DEFINE_RES_IRQ(AXP288_IRQ_CHARGING),
690         DEFINE_RES_IRQ(AXP288_IRQ_SAFE_QUIT),
691         DEFINE_RES_IRQ(AXP288_IRQ_SAFE_ENTER),
692         DEFINE_RES_IRQ(AXP288_IRQ_QCBTU),
693         DEFINE_RES_IRQ(AXP288_IRQ_CBTU),
694         DEFINE_RES_IRQ(AXP288_IRQ_QCBTO),
695         DEFINE_RES_IRQ(AXP288_IRQ_CBTO),
696 };
697
698 static const struct mfd_cell axp288_cells[] = {
699         {
700                 .name = "axp288_adc",
701                 .num_resources = ARRAY_SIZE(axp288_adc_resources),
702                 .resources = axp288_adc_resources,
703         },
704         {
705                 .name = "axp288_extcon",
706                 .num_resources = ARRAY_SIZE(axp288_extcon_resources),
707                 .resources = axp288_extcon_resources,
708         },
709         {
710                 .name = "axp288_charger",
711                 .num_resources = ARRAY_SIZE(axp288_charger_resources),
712                 .resources = axp288_charger_resources,
713         },
714         {
715                 .name = "axp288_fuel_gauge",
716                 .num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources),
717                 .resources = axp288_fuel_gauge_resources,
718         },
719         {
720                 .name = "axp221-pek",
721                 .num_resources = ARRAY_SIZE(axp288_power_button_resources),
722                 .resources = axp288_power_button_resources,
723         },
724         {
725                 .name = "axp288_pmic_acpi",
726         },
727 };
728
729 static const struct mfd_cell axp803_cells[] = {
730         {
731                 .name                   = "axp221-pek",
732                 .num_resources          = ARRAY_SIZE(axp803_pek_resources),
733                 .resources              = axp803_pek_resources,
734         },
735         {       .name                   = "axp20x-regulator" },
736 };
737
738 static const struct mfd_cell axp806_self_working_cells[] = {
739         {
740                 .name                   = "axp221-pek",
741                 .num_resources          = ARRAY_SIZE(axp806_pek_resources),
742                 .resources              = axp806_pek_resources,
743         },
744         {       .name                   = "axp20x-regulator" },
745 };
746
747 static const struct mfd_cell axp806_cells[] = {
748         {
749                 .id                     = 2,
750                 .name                   = "axp20x-regulator",
751         },
752 };
753
754 static const struct mfd_cell axp809_cells[] = {
755         {
756                 .name                   = "axp221-pek",
757                 .num_resources          = ARRAY_SIZE(axp809_pek_resources),
758                 .resources              = axp809_pek_resources,
759         }, {
760                 .id                     = 1,
761                 .name                   = "axp20x-regulator",
762         },
763 };
764
765 static const struct mfd_cell axp813_cells[] = {
766         {
767                 .name                   = "axp221-pek",
768                 .num_resources          = ARRAY_SIZE(axp803_pek_resources),
769                 .resources              = axp803_pek_resources,
770         }, {
771                 .name                   = "axp20x-regulator",
772         }, {
773                 .name                   = "axp20x-gpio",
774                 .of_compatible          = "x-powers,axp813-gpio",
775         }, {
776                 .name                   = "axp813-adc",
777                 .of_compatible          = "x-powers,axp813-adc",
778         }, {
779                 .name           = "axp20x-battery-power-supply",
780                 .of_compatible  = "x-powers,axp813-battery-power-supply",
781         },
782 };
783
784 static struct axp20x_dev *axp20x_pm_power_off;
785 static void axp20x_power_off(void)
786 {
787         if (axp20x_pm_power_off->variant == AXP288_ID)
788                 return;
789
790         regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
791                      AXP20X_OFF);
792
793         /* Give capacitors etc. time to drain to avoid kernel panic msg. */
794         msleep(500);
795 }
796
797 int axp20x_match_device(struct axp20x_dev *axp20x)
798 {
799         struct device *dev = axp20x->dev;
800         const struct acpi_device_id *acpi_id;
801         const struct of_device_id *of_id;
802
803         if (dev->of_node) {
804                 of_id = of_match_device(dev->driver->of_match_table, dev);
805                 if (!of_id) {
806                         dev_err(dev, "Unable to match OF ID\n");
807                         return -ENODEV;
808                 }
809                 axp20x->variant = (long)of_id->data;
810         } else {
811                 acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
812                 if (!acpi_id || !acpi_id->driver_data) {
813                         dev_err(dev, "Unable to match ACPI ID and data\n");
814                         return -ENODEV;
815                 }
816                 axp20x->variant = (long)acpi_id->driver_data;
817         }
818
819         switch (axp20x->variant) {
820         case AXP152_ID:
821                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
822                 axp20x->cells = axp152_cells;
823                 axp20x->regmap_cfg = &axp152_regmap_config;
824                 axp20x->regmap_irq_chip = &axp152_regmap_irq_chip;
825                 break;
826         case AXP202_ID:
827         case AXP209_ID:
828                 axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
829                 axp20x->cells = axp20x_cells;
830                 axp20x->regmap_cfg = &axp20x_regmap_config;
831                 axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
832                 break;
833         case AXP221_ID:
834                 axp20x->nr_cells = ARRAY_SIZE(axp221_cells);
835                 axp20x->cells = axp221_cells;
836                 axp20x->regmap_cfg = &axp22x_regmap_config;
837                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
838                 break;
839         case AXP223_ID:
840                 axp20x->nr_cells = ARRAY_SIZE(axp223_cells);
841                 axp20x->cells = axp223_cells;
842                 axp20x->regmap_cfg = &axp22x_regmap_config;
843                 axp20x->regmap_irq_chip = &axp22x_regmap_irq_chip;
844                 break;
845         case AXP288_ID:
846                 axp20x->cells = axp288_cells;
847                 axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
848                 axp20x->regmap_cfg = &axp288_regmap_config;
849                 axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
850                 axp20x->irq_flags = IRQF_TRIGGER_LOW;
851                 break;
852         case AXP803_ID:
853                 axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
854                 axp20x->cells = axp803_cells;
855                 axp20x->regmap_cfg = &axp288_regmap_config;
856                 axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
857                 break;
858         case AXP806_ID:
859                 if (of_property_read_bool(axp20x->dev->of_node,
860                                           "x-powers,self-working-mode")) {
861                         axp20x->nr_cells = ARRAY_SIZE(axp806_self_working_cells);
862                         axp20x->cells = axp806_self_working_cells;
863                 } else {
864                         axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
865                         axp20x->cells = axp806_cells;
866                 }
867                 axp20x->regmap_cfg = &axp806_regmap_config;
868                 axp20x->regmap_irq_chip = &axp806_regmap_irq_chip;
869                 break;
870         case AXP809_ID:
871                 axp20x->nr_cells = ARRAY_SIZE(axp809_cells);
872                 axp20x->cells = axp809_cells;
873                 axp20x->regmap_cfg = &axp22x_regmap_config;
874                 axp20x->regmap_irq_chip = &axp809_regmap_irq_chip;
875                 break;
876         case AXP813_ID:
877                 axp20x->nr_cells = ARRAY_SIZE(axp813_cells);
878                 axp20x->cells = axp813_cells;
879                 axp20x->regmap_cfg = &axp288_regmap_config;
880                 /*
881                  * The IRQ table given in the datasheet is incorrect.
882                  * In IRQ enable/status registers 1, there are separate
883                  * IRQs for ACIN and VBUS, instead of bits [7:5] being
884                  * the same as bits [4:2]. So it shares the same IRQs
885                  * as the AXP803, rather than the AXP288.
886                  */
887                 axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
888                 break;
889         default:
890                 dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
891                 return -EINVAL;
892         }
893         dev_info(dev, "AXP20x variant %s found\n",
894                  axp20x_model_names[axp20x->variant]);
895
896         return 0;
897 }
898 EXPORT_SYMBOL(axp20x_match_device);
899
900 int axp20x_device_probe(struct axp20x_dev *axp20x)
901 {
902         int ret;
903
904         /*
905          * The AXP806 supports either master/standalone or slave mode.
906          * Slave mode allows sharing the serial bus, even with multiple
907          * AXP806 which all have the same hardware address.
908          *
909          * This is done with extra "serial interface address extension",
910          * or AXP806_BUS_ADDR_EXT, and "register address extension", or
911          * AXP806_REG_ADDR_EXT, registers. The former is read-only, with
912          * 1 bit customizable at the factory, and 1 bit depending on the
913          * state of an external pin. The latter is writable. The device
914          * will only respond to operations to its other registers when
915          * the these device addressing bits (in the upper 4 bits of the
916          * registers) match.
917          *
918          * By default we support an AXP806 chained to an AXP809 in slave
919          * mode. Boards which use an AXP806 in master mode can set the
920          * property "x-powers,master-mode" to override the default.
921          */
922         if (axp20x->variant == AXP806_ID) {
923                 if (of_property_read_bool(axp20x->dev->of_node,
924                                           "x-powers,master-mode") ||
925                     of_property_read_bool(axp20x->dev->of_node,
926                                           "x-powers,self-working-mode"))
927                         regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,
928                                      AXP806_REG_ADDR_EXT_ADDR_MASTER_MODE);
929                 else
930                         regmap_write(axp20x->regmap, AXP806_REG_ADDR_EXT,
931                                      AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE);
932         }
933
934         ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
935                           IRQF_ONESHOT | IRQF_SHARED | axp20x->irq_flags,
936                            -1, axp20x->regmap_irq_chip, &axp20x->regmap_irqc);
937         if (ret) {
938                 dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
939                 return ret;
940         }
941
942         ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
943                               axp20x->nr_cells, NULL, 0, NULL);
944
945         if (ret) {
946                 dev_err(axp20x->dev, "failed to add MFD devices: %d\n", ret);
947                 regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
948                 return ret;
949         }
950
951         if (!pm_power_off) {
952                 axp20x_pm_power_off = axp20x;
953                 pm_power_off = axp20x_power_off;
954         }
955
956         dev_info(axp20x->dev, "AXP20X driver loaded\n");
957
958         return 0;
959 }
960 EXPORT_SYMBOL(axp20x_device_probe);
961
962 int axp20x_device_remove(struct axp20x_dev *axp20x)
963 {
964         if (axp20x == axp20x_pm_power_off) {
965                 axp20x_pm_power_off = NULL;
966                 pm_power_off = NULL;
967         }
968
969         mfd_remove_devices(axp20x->dev);
970         regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc);
971
972         return 0;
973 }
974 EXPORT_SYMBOL(axp20x_device_remove);
975
976 MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
977 MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
978 MODULE_LICENSE("GPL");