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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
33036f48 | 2 | /* |
50a03e35 BG |
3 | * act8865-regulator.c - Voltage regulation for active-semi ACT88xx PMUs |
4 | * | |
5 | * http://www.active-semi.com/products/power-management-units/act88xx/ | |
33036f48 WY |
6 | * |
7 | * Copyright (C) 2013 Atmel Corporation | |
33036f48 WY |
8 | */ |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/init.h> | |
12 | #include <linux/i2c.h> | |
13 | #include <linux/err.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/regulator/driver.h> | |
16 | #include <linux/regulator/act8865.h> | |
17 | #include <linux/of.h> | |
18 | #include <linux/of_device.h> | |
2d09a79b | 19 | #include <linux/power_supply.h> |
33036f48 WY |
20 | #include <linux/regulator/of_regulator.h> |
21 | #include <linux/regmap.h> | |
22 | ||
df3a950e ZLK |
23 | /* |
24 | * ACT8600 Global Register Map. | |
25 | */ | |
26 | #define ACT8600_SYS_MODE 0x00 | |
27 | #define ACT8600_SYS_CTRL 0x01 | |
28 | #define ACT8600_DCDC1_VSET 0x10 | |
29 | #define ACT8600_DCDC1_CTRL 0x12 | |
30 | #define ACT8600_DCDC2_VSET 0x20 | |
31 | #define ACT8600_DCDC2_CTRL 0x22 | |
32 | #define ACT8600_DCDC3_VSET 0x30 | |
33 | #define ACT8600_DCDC3_CTRL 0x32 | |
34 | #define ACT8600_SUDCDC4_VSET 0x40 | |
35 | #define ACT8600_SUDCDC4_CTRL 0x41 | |
36 | #define ACT8600_LDO5_VSET 0x50 | |
37 | #define ACT8600_LDO5_CTRL 0x51 | |
38 | #define ACT8600_LDO6_VSET 0x60 | |
39 | #define ACT8600_LDO6_CTRL 0x61 | |
40 | #define ACT8600_LDO7_VSET 0x70 | |
41 | #define ACT8600_LDO7_CTRL 0x71 | |
42 | #define ACT8600_LDO8_VSET 0x80 | |
43 | #define ACT8600_LDO8_CTRL 0x81 | |
44 | #define ACT8600_LDO910_CTRL 0x91 | |
45 | #define ACT8600_APCH0 0xA1 | |
46 | #define ACT8600_APCH1 0xA8 | |
47 | #define ACT8600_APCH2 0xA9 | |
48 | #define ACT8600_APCH_STAT 0xAA | |
49 | #define ACT8600_OTG0 0xB0 | |
50 | #define ACT8600_OTG1 0xB2 | |
51 | ||
ac0c0ea8 BG |
52 | /* |
53 | * ACT8846 Global Register Map. | |
54 | */ | |
55 | #define ACT8846_SYS0 0x00 | |
56 | #define ACT8846_SYS1 0x01 | |
57 | #define ACT8846_REG1_VSET 0x10 | |
58 | #define ACT8846_REG1_CTRL 0x12 | |
59 | #define ACT8846_REG2_VSET0 0x20 | |
60 | #define ACT8846_REG2_VSET1 0x21 | |
61 | #define ACT8846_REG2_CTRL 0x22 | |
62 | #define ACT8846_REG3_VSET0 0x30 | |
63 | #define ACT8846_REG3_VSET1 0x31 | |
64 | #define ACT8846_REG3_CTRL 0x32 | |
65 | #define ACT8846_REG4_VSET0 0x40 | |
66 | #define ACT8846_REG4_VSET1 0x41 | |
67 | #define ACT8846_REG4_CTRL 0x42 | |
68 | #define ACT8846_REG5_VSET 0x50 | |
69 | #define ACT8846_REG5_CTRL 0x51 | |
70 | #define ACT8846_REG6_VSET 0x58 | |
71 | #define ACT8846_REG6_CTRL 0x59 | |
72 | #define ACT8846_REG7_VSET 0x60 | |
73 | #define ACT8846_REG7_CTRL 0x61 | |
74 | #define ACT8846_REG8_VSET 0x68 | |
75 | #define ACT8846_REG8_CTRL 0x69 | |
76 | #define ACT8846_REG9_VSET 0x70 | |
77 | #define ACT8846_REG9_CTRL 0x71 | |
78 | #define ACT8846_REG10_VSET 0x80 | |
79 | #define ACT8846_REG10_CTRL 0x81 | |
80 | #define ACT8846_REG11_VSET 0x90 | |
81 | #define ACT8846_REG11_CTRL 0x91 | |
82 | #define ACT8846_REG12_VSET 0xa0 | |
83 | #define ACT8846_REG12_CTRL 0xa1 | |
84 | #define ACT8846_REG13_CTRL 0xb1 | |
2b17fa28 RP |
85 | #define ACT8846_GLB_OFF_CTRL 0xc3 |
86 | #define ACT8846_OFF_SYSMASK 0x18 | |
ac0c0ea8 | 87 | |
33036f48 WY |
88 | /* |
89 | * ACT8865 Global Register Map. | |
90 | */ | |
91 | #define ACT8865_SYS_MODE 0x00 | |
92 | #define ACT8865_SYS_CTRL 0x01 | |
93 | #define ACT8865_DCDC1_VSET1 0x20 | |
94 | #define ACT8865_DCDC1_VSET2 0x21 | |
95 | #define ACT8865_DCDC1_CTRL 0x22 | |
96 | #define ACT8865_DCDC2_VSET1 0x30 | |
97 | #define ACT8865_DCDC2_VSET2 0x31 | |
98 | #define ACT8865_DCDC2_CTRL 0x32 | |
99 | #define ACT8865_DCDC3_VSET1 0x40 | |
100 | #define ACT8865_DCDC3_VSET2 0x41 | |
101 | #define ACT8865_DCDC3_CTRL 0x42 | |
102 | #define ACT8865_LDO1_VSET 0x50 | |
103 | #define ACT8865_LDO1_CTRL 0x51 | |
104 | #define ACT8865_LDO2_VSET 0x54 | |
105 | #define ACT8865_LDO2_CTRL 0x55 | |
106 | #define ACT8865_LDO3_VSET 0x60 | |
107 | #define ACT8865_LDO3_CTRL 0x61 | |
108 | #define ACT8865_LDO4_VSET 0x64 | |
109 | #define ACT8865_LDO4_CTRL 0x65 | |
2b17fa28 | 110 | #define ACT8865_MSTROFF 0x20 |
33036f48 WY |
111 | |
112 | /* | |
113 | * Field Definitions. | |
114 | */ | |
115 | #define ACT8865_ENA 0x80 /* ON - [7] */ | |
a5f888c5 MM |
116 | #define ACT8865_DIS 0x40 /* DIS - [6] */ |
117 | ||
33036f48 WY |
118 | #define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ |
119 | ||
df3a950e ZLK |
120 | |
121 | #define ACT8600_LDO10_ENA 0x40 /* ON - [6] */ | |
122 | #define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */ | |
123 | ||
2d09a79b MH |
124 | #define ACT8600_APCH_CHG_ACIN BIT(7) |
125 | #define ACT8600_APCH_CHG_USB BIT(6) | |
126 | #define ACT8600_APCH_CSTATE0 BIT(5) | |
127 | #define ACT8600_APCH_CSTATE1 BIT(4) | |
128 | ||
33036f48 WY |
129 | /* |
130 | * ACT8865 voltage number | |
131 | */ | |
132 | #define ACT8865_VOLTAGE_NUM 64 | |
f01a7beb | 133 | #define ACT8600_SUDCDC_VOLTAGE_NUM 256 |
33036f48 WY |
134 | |
135 | struct act8865 { | |
33036f48 | 136 | struct regmap *regmap; |
2b17fa28 RP |
137 | int off_reg; |
138 | int off_mask; | |
33036f48 WY |
139 | }; |
140 | ||
c5c9c2df MH |
141 | static const struct regmap_range act8600_reg_ranges[] = { |
142 | regmap_reg_range(0x00, 0x01), | |
143 | regmap_reg_range(0x10, 0x10), | |
144 | regmap_reg_range(0x12, 0x12), | |
145 | regmap_reg_range(0x20, 0x20), | |
146 | regmap_reg_range(0x22, 0x22), | |
147 | regmap_reg_range(0x30, 0x30), | |
148 | regmap_reg_range(0x32, 0x32), | |
149 | regmap_reg_range(0x40, 0x41), | |
150 | regmap_reg_range(0x50, 0x51), | |
151 | regmap_reg_range(0x60, 0x61), | |
152 | regmap_reg_range(0x70, 0x71), | |
153 | regmap_reg_range(0x80, 0x81), | |
154 | regmap_reg_range(0x91, 0x91), | |
155 | regmap_reg_range(0xA1, 0xA1), | |
156 | regmap_reg_range(0xA8, 0xAA), | |
157 | regmap_reg_range(0xB0, 0xB0), | |
158 | regmap_reg_range(0xB2, 0xB2), | |
159 | regmap_reg_range(0xC1, 0xC1), | |
160 | }; | |
161 | ||
162 | static const struct regmap_range act8600_reg_ro_ranges[] = { | |
163 | regmap_reg_range(0xAA, 0xAA), | |
164 | regmap_reg_range(0xC1, 0xC1), | |
165 | }; | |
166 | ||
167 | static const struct regmap_range act8600_reg_volatile_ranges[] = { | |
168 | regmap_reg_range(0x00, 0x01), | |
169 | regmap_reg_range(0x12, 0x12), | |
170 | regmap_reg_range(0x22, 0x22), | |
171 | regmap_reg_range(0x32, 0x32), | |
172 | regmap_reg_range(0x41, 0x41), | |
173 | regmap_reg_range(0x51, 0x51), | |
174 | regmap_reg_range(0x61, 0x61), | |
175 | regmap_reg_range(0x71, 0x71), | |
176 | regmap_reg_range(0x81, 0x81), | |
177 | regmap_reg_range(0xA8, 0xA8), | |
178 | regmap_reg_range(0xAA, 0xAA), | |
179 | regmap_reg_range(0xB0, 0xB0), | |
180 | regmap_reg_range(0xC1, 0xC1), | |
181 | }; | |
182 | ||
183 | static const struct regmap_access_table act8600_write_ranges_table = { | |
184 | .yes_ranges = act8600_reg_ranges, | |
185 | .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), | |
186 | .no_ranges = act8600_reg_ro_ranges, | |
187 | .n_no_ranges = ARRAY_SIZE(act8600_reg_ro_ranges), | |
188 | }; | |
189 | ||
190 | static const struct regmap_access_table act8600_read_ranges_table = { | |
191 | .yes_ranges = act8600_reg_ranges, | |
192 | .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), | |
193 | }; | |
194 | ||
195 | static const struct regmap_access_table act8600_volatile_ranges_table = { | |
196 | .yes_ranges = act8600_reg_volatile_ranges, | |
197 | .n_yes_ranges = ARRAY_SIZE(act8600_reg_volatile_ranges), | |
198 | }; | |
199 | ||
200 | static const struct regmap_config act8600_regmap_config = { | |
201 | .reg_bits = 8, | |
202 | .val_bits = 8, | |
203 | .max_register = 0xFF, | |
204 | .wr_table = &act8600_write_ranges_table, | |
205 | .rd_table = &act8600_read_ranges_table, | |
206 | .volatile_table = &act8600_volatile_ranges_table, | |
207 | }; | |
208 | ||
33036f48 WY |
209 | static const struct regmap_config act8865_regmap_config = { |
210 | .reg_bits = 8, | |
211 | .val_bits = 8, | |
212 | }; | |
213 | ||
50a03e35 | 214 | static const struct regulator_linear_range act8865_voltage_ranges[] = { |
33036f48 WY |
215 | REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), |
216 | REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), | |
217 | REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), | |
218 | }; | |
219 | ||
df3a950e ZLK |
220 | static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = { |
221 | REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0), | |
222 | REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000), | |
223 | REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000), | |
f01a7beb AL |
224 | REGULATOR_LINEAR_RANGE(19000000, 192, 247, 400000), |
225 | REGULATOR_LINEAR_RANGE(41400000, 248, 255, 0), | |
df3a950e ZLK |
226 | }; |
227 | ||
7cae255d | 228 | static const struct regulator_ops act8865_ops = { |
33036f48 WY |
229 | .list_voltage = regulator_list_voltage_linear_range, |
230 | .map_voltage = regulator_map_voltage_linear_range, | |
231 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
232 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
233 | .enable = regulator_enable_regmap, | |
234 | .disable = regulator_disable_regmap, | |
235 | .is_enabled = regulator_is_enabled_regmap, | |
33036f48 WY |
236 | }; |
237 | ||
a5f888c5 MM |
238 | static const struct regulator_ops act8865_ldo_ops = { |
239 | .list_voltage = regulator_list_voltage_linear_range, | |
240 | .map_voltage = regulator_map_voltage_linear_range, | |
241 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
242 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
243 | .enable = regulator_enable_regmap, | |
244 | .disable = regulator_disable_regmap, | |
245 | .is_enabled = regulator_is_enabled_regmap, | |
246 | .set_pull_down = regulator_set_pull_down_regmap, | |
247 | }; | |
248 | ||
cd81a91d | 249 | static const struct regulator_ops act8865_fixed_ldo_ops = { |
df3a950e ZLK |
250 | .enable = regulator_enable_regmap, |
251 | .disable = regulator_disable_regmap, | |
252 | .is_enabled = regulator_is_enabled_regmap, | |
253 | }; | |
254 | ||
a5f888c5 | 255 | #define ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, _ops) \ |
50a03e35 BG |
256 | [_family##_ID_##_id] = { \ |
257 | .name = _name, \ | |
253c9c79 AL |
258 | .of_match = of_match_ptr(_name), \ |
259 | .regulators_node = of_match_ptr("regulators"), \ | |
c8b263cc | 260 | .supply_name = _supply, \ |
50a03e35 BG |
261 | .id = _family##_ID_##_id, \ |
262 | .type = REGULATOR_VOLTAGE, \ | |
a5f888c5 | 263 | .ops = _ops, \ |
50a03e35 BG |
264 | .n_voltages = ACT8865_VOLTAGE_NUM, \ |
265 | .linear_ranges = act8865_voltage_ranges, \ | |
266 | .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ | |
267 | .vsel_reg = _family##_##_id##_##_vsel_reg, \ | |
268 | .vsel_mask = ACT8865_VSEL_MASK, \ | |
269 | .enable_reg = _family##_##_id##_CTRL, \ | |
270 | .enable_mask = ACT8865_ENA, \ | |
a5f888c5 MM |
271 | .pull_down_reg = _family##_##_id##_CTRL, \ |
272 | .pull_down_mask = ACT8865_DIS, \ | |
50a03e35 BG |
273 | .owner = THIS_MODULE, \ |
274 | } | |
275 | ||
a5f888c5 MM |
276 | #define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ |
277 | ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ops) | |
278 | ||
279 | #define ACT88xx_LDO(_name, _family, _id, _vsel_reg, _supply) \ | |
280 | ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ldo_ops) | |
281 | ||
df3a950e | 282 | static const struct regulator_desc act8600_regulators[] = { |
c8b263cc HS |
283 | ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"), |
284 | ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"), | |
285 | ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"), | |
df3a950e ZLK |
286 | { |
287 | .name = "SUDCDC_REG4", | |
253c9c79 AL |
288 | .of_match = of_match_ptr("SUDCDC_REG4"), |
289 | .regulators_node = of_match_ptr("regulators"), | |
df3a950e ZLK |
290 | .id = ACT8600_ID_SUDCDC4, |
291 | .ops = &act8865_ops, | |
292 | .type = REGULATOR_VOLTAGE, | |
293 | .n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM, | |
294 | .linear_ranges = act8600_sudcdc_voltage_ranges, | |
295 | .n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges), | |
296 | .vsel_reg = ACT8600_SUDCDC4_VSET, | |
297 | .vsel_mask = ACT8600_SUDCDC_VSEL_MASK, | |
298 | .enable_reg = ACT8600_SUDCDC4_CTRL, | |
299 | .enable_mask = ACT8865_ENA, | |
300 | .owner = THIS_MODULE, | |
301 | }, | |
c8b263cc HS |
302 | ACT88xx_REG("LDO5", ACT8600, LDO5, VSET, "inl"), |
303 | ACT88xx_REG("LDO6", ACT8600, LDO6, VSET, "inl"), | |
304 | ACT88xx_REG("LDO7", ACT8600, LDO7, VSET, "inl"), | |
305 | ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"), | |
df3a950e ZLK |
306 | { |
307 | .name = "LDO_REG9", | |
253c9c79 AL |
308 | .of_match = of_match_ptr("LDO_REG9"), |
309 | .regulators_node = of_match_ptr("regulators"), | |
df3a950e | 310 | .id = ACT8600_ID_LDO9, |
cd81a91d | 311 | .ops = &act8865_fixed_ldo_ops, |
df3a950e ZLK |
312 | .type = REGULATOR_VOLTAGE, |
313 | .n_voltages = 1, | |
79b5d026 | 314 | .fixed_uV = 3300000, |
df3a950e ZLK |
315 | .enable_reg = ACT8600_LDO910_CTRL, |
316 | .enable_mask = ACT8865_ENA, | |
317 | .owner = THIS_MODULE, | |
318 | }, | |
319 | { | |
320 | .name = "LDO_REG10", | |
253c9c79 AL |
321 | .of_match = of_match_ptr("LDO_REG10"), |
322 | .regulators_node = of_match_ptr("regulators"), | |
df3a950e | 323 | .id = ACT8600_ID_LDO10, |
cd81a91d | 324 | .ops = &act8865_fixed_ldo_ops, |
df3a950e ZLK |
325 | .type = REGULATOR_VOLTAGE, |
326 | .n_voltages = 1, | |
327 | .fixed_uV = 1200000, | |
328 | .enable_reg = ACT8600_LDO910_CTRL, | |
329 | .enable_mask = ACT8600_LDO10_ENA, | |
330 | .owner = THIS_MODULE, | |
331 | }, | |
332 | }; | |
333 | ||
ac0c0ea8 | 334 | static const struct regulator_desc act8846_regulators[] = { |
c8b263cc HS |
335 | ACT88xx_REG("REG1", ACT8846, REG1, VSET, "vp1"), |
336 | ACT88xx_REG("REG2", ACT8846, REG2, VSET0, "vp2"), | |
337 | ACT88xx_REG("REG3", ACT8846, REG3, VSET0, "vp3"), | |
338 | ACT88xx_REG("REG4", ACT8846, REG4, VSET0, "vp4"), | |
339 | ACT88xx_REG("REG5", ACT8846, REG5, VSET, "inl1"), | |
340 | ACT88xx_REG("REG6", ACT8846, REG6, VSET, "inl1"), | |
341 | ACT88xx_REG("REG7", ACT8846, REG7, VSET, "inl1"), | |
342 | ACT88xx_REG("REG8", ACT8846, REG8, VSET, "inl2"), | |
343 | ACT88xx_REG("REG9", ACT8846, REG9, VSET, "inl2"), | |
344 | ACT88xx_REG("REG10", ACT8846, REG10, VSET, "inl3"), | |
345 | ACT88xx_REG("REG11", ACT8846, REG11, VSET, "inl3"), | |
346 | ACT88xx_REG("REG12", ACT8846, REG12, VSET, "inl3"), | |
ac0c0ea8 BG |
347 | }; |
348 | ||
50a03e35 | 349 | static const struct regulator_desc act8865_regulators[] = { |
c8b263cc HS |
350 | ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"), |
351 | ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"), | |
352 | ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"), | |
a5f888c5 MM |
353 | ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), |
354 | ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), | |
355 | ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), | |
356 | ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), | |
33036f48 WY |
357 | }; |
358 | ||
c86dc03e WY |
359 | static const struct regulator_desc act8865_alt_regulators[] = { |
360 | ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET2, "vp1"), | |
361 | ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET2, "vp2"), | |
362 | ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET2, "vp3"), | |
a5f888c5 MM |
363 | ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), |
364 | ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), | |
365 | ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), | |
366 | ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), | |
c86dc03e WY |
367 | }; |
368 | ||
33036f48 WY |
369 | #ifdef CONFIG_OF |
370 | static const struct of_device_id act8865_dt_ids[] = { | |
df3a950e | 371 | { .compatible = "active-semi,act8600", .data = (void *)ACT8600 }, |
ac0c0ea8 | 372 | { .compatible = "active-semi,act8846", .data = (void *)ACT8846 }, |
50a03e35 | 373 | { .compatible = "active-semi,act8865", .data = (void *)ACT8865 }, |
33036f48 WY |
374 | { } |
375 | }; | |
376 | MODULE_DEVICE_TABLE(of, act8865_dt_ids); | |
33036f48 WY |
377 | #endif |
378 | ||
005e4685 MH |
379 | static struct act8865_regulator_data *act8865_get_regulator_data( |
380 | int id, struct act8865_platform_data *pdata) | |
48a1e1b5 BG |
381 | { |
382 | int i; | |
383 | ||
48a1e1b5 BG |
384 | for (i = 0; i < pdata->num_regulators; i++) { |
385 | if (pdata->regulators[i].id == id) | |
005e4685 | 386 | return &pdata->regulators[i]; |
48a1e1b5 BG |
387 | } |
388 | ||
389 | return NULL; | |
390 | } | |
391 | ||
2b17fa28 RP |
392 | static struct i2c_client *act8865_i2c_client; |
393 | static void act8865_power_off(void) | |
394 | { | |
395 | struct act8865 *act8865; | |
396 | ||
397 | act8865 = i2c_get_clientdata(act8865_i2c_client); | |
398 | regmap_write(act8865->regmap, act8865->off_reg, act8865->off_mask); | |
399 | while (1); | |
400 | } | |
401 | ||
2d09a79b MH |
402 | static int act8600_charger_get_status(struct regmap *map) |
403 | { | |
404 | unsigned int val; | |
405 | int ret; | |
406 | u8 state0, state1; | |
407 | ||
408 | ret = regmap_read(map, ACT8600_APCH_STAT, &val); | |
409 | if (ret < 0) | |
410 | return ret; | |
411 | ||
412 | state0 = val & ACT8600_APCH_CSTATE0; | |
413 | state1 = val & ACT8600_APCH_CSTATE1; | |
414 | ||
415 | if (state0 && !state1) | |
416 | return POWER_SUPPLY_STATUS_CHARGING; | |
417 | if (!state0 && state1) | |
418 | return POWER_SUPPLY_STATUS_NOT_CHARGING; | |
419 | if (!state0 && !state1) | |
420 | return POWER_SUPPLY_STATUS_DISCHARGING; | |
421 | ||
422 | return POWER_SUPPLY_STATUS_UNKNOWN; | |
423 | } | |
424 | ||
425 | static int act8600_charger_get_property(struct power_supply *psy, | |
426 | enum power_supply_property psp, union power_supply_propval *val) | |
427 | { | |
428 | struct regmap *map = power_supply_get_drvdata(psy); | |
429 | int ret; | |
430 | ||
431 | switch (psp) { | |
432 | case POWER_SUPPLY_PROP_STATUS: | |
433 | ret = act8600_charger_get_status(map); | |
434 | if (ret < 0) | |
435 | return ret; | |
436 | ||
437 | val->intval = ret; | |
438 | break; | |
439 | default: | |
440 | return -EINVAL; | |
441 | } | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
446 | static enum power_supply_property act8600_charger_properties[] = { | |
447 | POWER_SUPPLY_PROP_STATUS, | |
448 | }; | |
449 | ||
450 | static const struct power_supply_desc act8600_charger_desc = { | |
451 | .name = "act8600-charger", | |
452 | .type = POWER_SUPPLY_TYPE_BATTERY, | |
453 | .properties = act8600_charger_properties, | |
454 | .num_properties = ARRAY_SIZE(act8600_charger_properties), | |
455 | .get_property = act8600_charger_get_property, | |
456 | }; | |
457 | ||
458 | static int act8600_charger_probe(struct device *dev, struct regmap *regmap) | |
459 | { | |
460 | struct power_supply *charger; | |
461 | struct power_supply_config cfg = { | |
462 | .drv_data = regmap, | |
463 | .of_node = dev->of_node, | |
464 | }; | |
465 | ||
466 | charger = devm_power_supply_register(dev, &act8600_charger_desc, &cfg); | |
467 | ||
468 | return IS_ERR(charger) ? PTR_ERR(charger) : 0; | |
469 | } | |
470 | ||
33036f48 | 471 | static int act8865_pmic_probe(struct i2c_client *client, |
50a03e35 | 472 | const struct i2c_device_id *i2c_id) |
33036f48 | 473 | { |
abea1bb0 | 474 | const struct regulator_desc *regulators; |
253c9c79 | 475 | struct act8865_platform_data *pdata = NULL; |
33036f48 | 476 | struct device *dev = &client->dev; |
50a03e35 | 477 | int i, ret, num_regulators; |
33036f48 | 478 | struct act8865 *act8865; |
c5c9c2df | 479 | const struct regmap_config *regmap_config; |
50a03e35 | 480 | unsigned long type; |
2b17fa28 | 481 | int off_reg, off_mask; |
c86dc03e | 482 | int voltage_select = 0; |
50a03e35 | 483 | |
253c9c79 | 484 | if (dev->of_node) { |
33036f48 | 485 | const struct of_device_id *id; |
33036f48 WY |
486 | |
487 | id = of_match_device(of_match_ptr(act8865_dt_ids), dev); | |
488 | if (!id) | |
489 | return -ENODEV; | |
490 | ||
50a03e35 | 491 | type = (unsigned long) id->data; |
c86dc03e WY |
492 | |
493 | voltage_select = !!of_get_property(dev->of_node, | |
494 | "active-semi,vsel-high", | |
495 | NULL); | |
50a03e35 BG |
496 | } else { |
497 | type = i2c_id->driver_data; | |
253c9c79 | 498 | pdata = dev_get_platdata(dev); |
50a03e35 BG |
499 | } |
500 | ||
501 | switch (type) { | |
df3a950e ZLK |
502 | case ACT8600: |
503 | regulators = act8600_regulators; | |
504 | num_regulators = ARRAY_SIZE(act8600_regulators); | |
c5c9c2df | 505 | regmap_config = &act8600_regmap_config; |
df3a950e ZLK |
506 | off_reg = -1; |
507 | off_mask = -1; | |
508 | break; | |
ac0c0ea8 | 509 | case ACT8846: |
ac0c0ea8 BG |
510 | regulators = act8846_regulators; |
511 | num_regulators = ARRAY_SIZE(act8846_regulators); | |
c5c9c2df | 512 | regmap_config = &act8865_regmap_config; |
2b17fa28 RP |
513 | off_reg = ACT8846_GLB_OFF_CTRL; |
514 | off_mask = ACT8846_OFF_SYSMASK; | |
ac0c0ea8 | 515 | break; |
50a03e35 | 516 | case ACT8865: |
c86dc03e WY |
517 | if (voltage_select) { |
518 | regulators = act8865_alt_regulators; | |
519 | num_regulators = ARRAY_SIZE(act8865_alt_regulators); | |
520 | } else { | |
521 | regulators = act8865_regulators; | |
522 | num_regulators = ARRAY_SIZE(act8865_regulators); | |
523 | } | |
c5c9c2df | 524 | regmap_config = &act8865_regmap_config; |
2b17fa28 RP |
525 | off_reg = ACT8865_SYS_CTRL; |
526 | off_mask = ACT8865_MSTROFF; | |
50a03e35 BG |
527 | break; |
528 | default: | |
529 | dev_err(dev, "invalid device id %lu\n", type); | |
530 | return -EINVAL; | |
531 | } | |
532 | ||
f1de2c2f | 533 | act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); |
33036f48 WY |
534 | if (!act8865) |
535 | return -ENOMEM; | |
536 | ||
c5c9c2df | 537 | act8865->regmap = devm_regmap_init_i2c(client, regmap_config); |
33036f48 | 538 | if (IS_ERR(act8865->regmap)) { |
40d3bc19 | 539 | ret = PTR_ERR(act8865->regmap); |
de14ba67 | 540 | dev_err(dev, "Failed to allocate register map: %d\n", ret); |
40d3bc19 | 541 | return ret; |
33036f48 WY |
542 | } |
543 | ||
8f73110f | 544 | if (of_device_is_system_power_controller(dev->of_node)) { |
df3a950e | 545 | if (!pm_power_off && (off_reg > 0)) { |
2b17fa28 RP |
546 | act8865_i2c_client = client; |
547 | act8865->off_reg = off_reg; | |
548 | act8865->off_mask = off_mask; | |
549 | pm_power_off = act8865_power_off; | |
550 | } else { | |
551 | dev_err(dev, "Failed to set poweroff capability, already defined\n"); | |
552 | } | |
553 | } | |
554 | ||
33036f48 | 555 | /* Finally register devices */ |
50a03e35 BG |
556 | for (i = 0; i < num_regulators; i++) { |
557 | const struct regulator_desc *desc = ®ulators[i]; | |
558 | struct regulator_config config = { }; | |
559 | struct regulator_dev *rdev; | |
33036f48 WY |
560 | |
561 | config.dev = dev; | |
33036f48 WY |
562 | config.driver_data = act8865; |
563 | config.regmap = act8865->regmap; | |
564 | ||
253c9c79 AL |
565 | if (pdata) { |
566 | struct act8865_regulator_data *rdata; | |
567 | ||
568 | rdata = act8865_get_regulator_data(desc->id, pdata); | |
569 | if (rdata) { | |
570 | config.init_data = rdata->init_data; | |
571 | config.of_node = rdata->of_node; | |
572 | } | |
005e4685 MH |
573 | } |
574 | ||
de14ba67 | 575 | rdev = devm_regulator_register(dev, desc, &config); |
fb8eb454 | 576 | if (IS_ERR(rdev)) { |
48a1e1b5 | 577 | dev_err(dev, "failed to register %s\n", desc->name); |
fb8eb454 | 578 | return PTR_ERR(rdev); |
33036f48 WY |
579 | } |
580 | } | |
581 | ||
2d09a79b MH |
582 | if (type == ACT8600) { |
583 | ret = act8600_charger_probe(dev, act8865->regmap); | |
584 | if (ret < 0) { | |
585 | if (ret != -EPROBE_DEFER) | |
586 | dev_err(dev, "Failed to probe charger"); | |
587 | return ret; | |
588 | } | |
589 | } | |
590 | ||
33036f48 WY |
591 | i2c_set_clientdata(client, act8865); |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
33036f48 | 596 | static const struct i2c_device_id act8865_ids[] = { |
df3a950e | 597 | { .name = "act8600", .driver_data = ACT8600 }, |
ac0c0ea8 | 598 | { .name = "act8846", .driver_data = ACT8846 }, |
50a03e35 | 599 | { .name = "act8865", .driver_data = ACT8865 }, |
33036f48 WY |
600 | { }, |
601 | }; | |
602 | MODULE_DEVICE_TABLE(i2c, act8865_ids); | |
603 | ||
604 | static struct i2c_driver act8865_pmic_driver = { | |
605 | .driver = { | |
606 | .name = "act8865", | |
33036f48 WY |
607 | }, |
608 | .probe = act8865_pmic_probe, | |
33036f48 WY |
609 | .id_table = act8865_ids, |
610 | }; | |
611 | ||
612 | module_i2c_driver(act8865_pmic_driver); | |
613 | ||
50a03e35 | 614 | MODULE_DESCRIPTION("active-semi act88xx voltage regulator driver"); |
33036f48 WY |
615 | MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>"); |
616 | MODULE_LICENSE("GPL v2"); |