Commit | Line | Data |
---|---|---|
33036f48 | 1 | /* |
50a03e35 BG |
2 | * act8865-regulator.c - Voltage regulation for active-semi ACT88xx PMUs |
3 | * | |
4 | * http://www.active-semi.com/products/power-management-units/act88xx/ | |
33036f48 WY |
5 | * |
6 | * Copyright (C) 2013 Atmel Corporation | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/i2c.h> | |
22 | #include <linux/err.h> | |
23 | #include <linux/platform_device.h> | |
24 | #include <linux/regulator/driver.h> | |
25 | #include <linux/regulator/act8865.h> | |
26 | #include <linux/of.h> | |
27 | #include <linux/of_device.h> | |
28 | #include <linux/regulator/of_regulator.h> | |
29 | #include <linux/regmap.h> | |
30 | ||
df3a950e ZLK |
31 | /* |
32 | * ACT8600 Global Register Map. | |
33 | */ | |
34 | #define ACT8600_SYS_MODE 0x00 | |
35 | #define ACT8600_SYS_CTRL 0x01 | |
36 | #define ACT8600_DCDC1_VSET 0x10 | |
37 | #define ACT8600_DCDC1_CTRL 0x12 | |
38 | #define ACT8600_DCDC2_VSET 0x20 | |
39 | #define ACT8600_DCDC2_CTRL 0x22 | |
40 | #define ACT8600_DCDC3_VSET 0x30 | |
41 | #define ACT8600_DCDC3_CTRL 0x32 | |
42 | #define ACT8600_SUDCDC4_VSET 0x40 | |
43 | #define ACT8600_SUDCDC4_CTRL 0x41 | |
44 | #define ACT8600_LDO5_VSET 0x50 | |
45 | #define ACT8600_LDO5_CTRL 0x51 | |
46 | #define ACT8600_LDO6_VSET 0x60 | |
47 | #define ACT8600_LDO6_CTRL 0x61 | |
48 | #define ACT8600_LDO7_VSET 0x70 | |
49 | #define ACT8600_LDO7_CTRL 0x71 | |
50 | #define ACT8600_LDO8_VSET 0x80 | |
51 | #define ACT8600_LDO8_CTRL 0x81 | |
52 | #define ACT8600_LDO910_CTRL 0x91 | |
53 | #define ACT8600_APCH0 0xA1 | |
54 | #define ACT8600_APCH1 0xA8 | |
55 | #define ACT8600_APCH2 0xA9 | |
56 | #define ACT8600_APCH_STAT 0xAA | |
57 | #define ACT8600_OTG0 0xB0 | |
58 | #define ACT8600_OTG1 0xB2 | |
59 | ||
ac0c0ea8 BG |
60 | /* |
61 | * ACT8846 Global Register Map. | |
62 | */ | |
63 | #define ACT8846_SYS0 0x00 | |
64 | #define ACT8846_SYS1 0x01 | |
65 | #define ACT8846_REG1_VSET 0x10 | |
66 | #define ACT8846_REG1_CTRL 0x12 | |
67 | #define ACT8846_REG2_VSET0 0x20 | |
68 | #define ACT8846_REG2_VSET1 0x21 | |
69 | #define ACT8846_REG2_CTRL 0x22 | |
70 | #define ACT8846_REG3_VSET0 0x30 | |
71 | #define ACT8846_REG3_VSET1 0x31 | |
72 | #define ACT8846_REG3_CTRL 0x32 | |
73 | #define ACT8846_REG4_VSET0 0x40 | |
74 | #define ACT8846_REG4_VSET1 0x41 | |
75 | #define ACT8846_REG4_CTRL 0x42 | |
76 | #define ACT8846_REG5_VSET 0x50 | |
77 | #define ACT8846_REG5_CTRL 0x51 | |
78 | #define ACT8846_REG6_VSET 0x58 | |
79 | #define ACT8846_REG6_CTRL 0x59 | |
80 | #define ACT8846_REG7_VSET 0x60 | |
81 | #define ACT8846_REG7_CTRL 0x61 | |
82 | #define ACT8846_REG8_VSET 0x68 | |
83 | #define ACT8846_REG8_CTRL 0x69 | |
84 | #define ACT8846_REG9_VSET 0x70 | |
85 | #define ACT8846_REG9_CTRL 0x71 | |
86 | #define ACT8846_REG10_VSET 0x80 | |
87 | #define ACT8846_REG10_CTRL 0x81 | |
88 | #define ACT8846_REG11_VSET 0x90 | |
89 | #define ACT8846_REG11_CTRL 0x91 | |
90 | #define ACT8846_REG12_VSET 0xa0 | |
91 | #define ACT8846_REG12_CTRL 0xa1 | |
92 | #define ACT8846_REG13_CTRL 0xb1 | |
2b17fa28 RP |
93 | #define ACT8846_GLB_OFF_CTRL 0xc3 |
94 | #define ACT8846_OFF_SYSMASK 0x18 | |
ac0c0ea8 | 95 | |
33036f48 WY |
96 | /* |
97 | * ACT8865 Global Register Map. | |
98 | */ | |
99 | #define ACT8865_SYS_MODE 0x00 | |
100 | #define ACT8865_SYS_CTRL 0x01 | |
101 | #define ACT8865_DCDC1_VSET1 0x20 | |
102 | #define ACT8865_DCDC1_VSET2 0x21 | |
103 | #define ACT8865_DCDC1_CTRL 0x22 | |
104 | #define ACT8865_DCDC2_VSET1 0x30 | |
105 | #define ACT8865_DCDC2_VSET2 0x31 | |
106 | #define ACT8865_DCDC2_CTRL 0x32 | |
107 | #define ACT8865_DCDC3_VSET1 0x40 | |
108 | #define ACT8865_DCDC3_VSET2 0x41 | |
109 | #define ACT8865_DCDC3_CTRL 0x42 | |
110 | #define ACT8865_LDO1_VSET 0x50 | |
111 | #define ACT8865_LDO1_CTRL 0x51 | |
112 | #define ACT8865_LDO2_VSET 0x54 | |
113 | #define ACT8865_LDO2_CTRL 0x55 | |
114 | #define ACT8865_LDO3_VSET 0x60 | |
115 | #define ACT8865_LDO3_CTRL 0x61 | |
116 | #define ACT8865_LDO4_VSET 0x64 | |
117 | #define ACT8865_LDO4_CTRL 0x65 | |
2b17fa28 | 118 | #define ACT8865_MSTROFF 0x20 |
33036f48 WY |
119 | |
120 | /* | |
121 | * Field Definitions. | |
122 | */ | |
123 | #define ACT8865_ENA 0x80 /* ON - [7] */ | |
124 | #define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ | |
125 | ||
df3a950e ZLK |
126 | |
127 | #define ACT8600_LDO10_ENA 0x40 /* ON - [6] */ | |
128 | #define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */ | |
129 | ||
33036f48 WY |
130 | /* |
131 | * ACT8865 voltage number | |
132 | */ | |
133 | #define ACT8865_VOLTAGE_NUM 64 | |
df3a950e | 134 | #define ACT8600_SUDCDC_VOLTAGE_NUM 255 |
33036f48 WY |
135 | |
136 | struct act8865 { | |
33036f48 | 137 | struct regmap *regmap; |
2b17fa28 RP |
138 | int off_reg; |
139 | int off_mask; | |
33036f48 WY |
140 | }; |
141 | ||
142 | static const struct regmap_config act8865_regmap_config = { | |
143 | .reg_bits = 8, | |
144 | .val_bits = 8, | |
145 | }; | |
146 | ||
50a03e35 | 147 | static const struct regulator_linear_range act8865_voltage_ranges[] = { |
33036f48 WY |
148 | REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), |
149 | REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), | |
150 | REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), | |
151 | }; | |
152 | ||
df3a950e ZLK |
153 | static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = { |
154 | REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0), | |
155 | REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000), | |
156 | REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000), | |
157 | REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000), | |
158 | }; | |
159 | ||
33036f48 WY |
160 | static struct regulator_ops act8865_ops = { |
161 | .list_voltage = regulator_list_voltage_linear_range, | |
162 | .map_voltage = regulator_map_voltage_linear_range, | |
163 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
164 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
165 | .enable = regulator_enable_regmap, | |
166 | .disable = regulator_disable_regmap, | |
167 | .is_enabled = regulator_is_enabled_regmap, | |
33036f48 WY |
168 | }; |
169 | ||
df3a950e ZLK |
170 | static struct regulator_ops act8865_ldo_ops = { |
171 | .enable = regulator_enable_regmap, | |
172 | .disable = regulator_disable_regmap, | |
173 | .is_enabled = regulator_is_enabled_regmap, | |
174 | }; | |
175 | ||
c8b263cc | 176 | #define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ |
50a03e35 BG |
177 | [_family##_ID_##_id] = { \ |
178 | .name = _name, \ | |
c8b263cc | 179 | .supply_name = _supply, \ |
50a03e35 BG |
180 | .id = _family##_ID_##_id, \ |
181 | .type = REGULATOR_VOLTAGE, \ | |
182 | .ops = &act8865_ops, \ | |
183 | .n_voltages = ACT8865_VOLTAGE_NUM, \ | |
184 | .linear_ranges = act8865_voltage_ranges, \ | |
185 | .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ | |
186 | .vsel_reg = _family##_##_id##_##_vsel_reg, \ | |
187 | .vsel_mask = ACT8865_VSEL_MASK, \ | |
188 | .enable_reg = _family##_##_id##_CTRL, \ | |
189 | .enable_mask = ACT8865_ENA, \ | |
190 | .owner = THIS_MODULE, \ | |
191 | } | |
192 | ||
df3a950e | 193 | static const struct regulator_desc act8600_regulators[] = { |
c8b263cc HS |
194 | ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"), |
195 | ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"), | |
196 | ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"), | |
df3a950e ZLK |
197 | { |
198 | .name = "SUDCDC_REG4", | |
199 | .id = ACT8600_ID_SUDCDC4, | |
200 | .ops = &act8865_ops, | |
201 | .type = REGULATOR_VOLTAGE, | |
202 | .n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM, | |
203 | .linear_ranges = act8600_sudcdc_voltage_ranges, | |
204 | .n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges), | |
205 | .vsel_reg = ACT8600_SUDCDC4_VSET, | |
206 | .vsel_mask = ACT8600_SUDCDC_VSEL_MASK, | |
207 | .enable_reg = ACT8600_SUDCDC4_CTRL, | |
208 | .enable_mask = ACT8865_ENA, | |
209 | .owner = THIS_MODULE, | |
210 | }, | |
c8b263cc HS |
211 | ACT88xx_REG("LDO5", ACT8600, LDO5, VSET, "inl"), |
212 | ACT88xx_REG("LDO6", ACT8600, LDO6, VSET, "inl"), | |
213 | ACT88xx_REG("LDO7", ACT8600, LDO7, VSET, "inl"), | |
214 | ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"), | |
df3a950e ZLK |
215 | { |
216 | .name = "LDO_REG9", | |
217 | .id = ACT8600_ID_LDO9, | |
218 | .ops = &act8865_ldo_ops, | |
219 | .type = REGULATOR_VOLTAGE, | |
220 | .n_voltages = 1, | |
221 | .fixed_uV = 1800000, | |
222 | .enable_reg = ACT8600_LDO910_CTRL, | |
223 | .enable_mask = ACT8865_ENA, | |
224 | .owner = THIS_MODULE, | |
225 | }, | |
226 | { | |
227 | .name = "LDO_REG10", | |
228 | .id = ACT8600_ID_LDO10, | |
229 | .ops = &act8865_ldo_ops, | |
230 | .type = REGULATOR_VOLTAGE, | |
231 | .n_voltages = 1, | |
232 | .fixed_uV = 1200000, | |
233 | .enable_reg = ACT8600_LDO910_CTRL, | |
234 | .enable_mask = ACT8600_LDO10_ENA, | |
235 | .owner = THIS_MODULE, | |
236 | }, | |
237 | }; | |
238 | ||
ac0c0ea8 | 239 | static const struct regulator_desc act8846_regulators[] = { |
c8b263cc HS |
240 | ACT88xx_REG("REG1", ACT8846, REG1, VSET, "vp1"), |
241 | ACT88xx_REG("REG2", ACT8846, REG2, VSET0, "vp2"), | |
242 | ACT88xx_REG("REG3", ACT8846, REG3, VSET0, "vp3"), | |
243 | ACT88xx_REG("REG4", ACT8846, REG4, VSET0, "vp4"), | |
244 | ACT88xx_REG("REG5", ACT8846, REG5, VSET, "inl1"), | |
245 | ACT88xx_REG("REG6", ACT8846, REG6, VSET, "inl1"), | |
246 | ACT88xx_REG("REG7", ACT8846, REG7, VSET, "inl1"), | |
247 | ACT88xx_REG("REG8", ACT8846, REG8, VSET, "inl2"), | |
248 | ACT88xx_REG("REG9", ACT8846, REG9, VSET, "inl2"), | |
249 | ACT88xx_REG("REG10", ACT8846, REG10, VSET, "inl3"), | |
250 | ACT88xx_REG("REG11", ACT8846, REG11, VSET, "inl3"), | |
251 | ACT88xx_REG("REG12", ACT8846, REG12, VSET, "inl3"), | |
ac0c0ea8 BG |
252 | }; |
253 | ||
50a03e35 | 254 | static const struct regulator_desc act8865_regulators[] = { |
c8b263cc HS |
255 | ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"), |
256 | ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"), | |
257 | ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"), | |
258 | ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), | |
259 | ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), | |
260 | ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), | |
261 | ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), | |
33036f48 WY |
262 | }; |
263 | ||
264 | #ifdef CONFIG_OF | |
265 | static const struct of_device_id act8865_dt_ids[] = { | |
df3a950e | 266 | { .compatible = "active-semi,act8600", .data = (void *)ACT8600 }, |
ac0c0ea8 | 267 | { .compatible = "active-semi,act8846", .data = (void *)ACT8846 }, |
50a03e35 | 268 | { .compatible = "active-semi,act8865", .data = (void *)ACT8865 }, |
33036f48 WY |
269 | { } |
270 | }; | |
271 | MODULE_DEVICE_TABLE(of, act8865_dt_ids); | |
272 | ||
ac0c0ea8 BG |
273 | static struct of_regulator_match act8846_matches[] = { |
274 | [ACT8846_ID_REG1] = { .name = "REG1" }, | |
275 | [ACT8846_ID_REG2] = { .name = "REG2" }, | |
276 | [ACT8846_ID_REG3] = { .name = "REG3" }, | |
277 | [ACT8846_ID_REG4] = { .name = "REG4" }, | |
278 | [ACT8846_ID_REG5] = { .name = "REG5" }, | |
279 | [ACT8846_ID_REG6] = { .name = "REG6" }, | |
280 | [ACT8846_ID_REG7] = { .name = "REG7" }, | |
281 | [ACT8846_ID_REG8] = { .name = "REG8" }, | |
282 | [ACT8846_ID_REG9] = { .name = "REG9" }, | |
283 | [ACT8846_ID_REG10] = { .name = "REG10" }, | |
284 | [ACT8846_ID_REG11] = { .name = "REG11" }, | |
285 | [ACT8846_ID_REG12] = { .name = "REG12" }, | |
286 | }; | |
287 | ||
33036f48 WY |
288 | static struct of_regulator_match act8865_matches[] = { |
289 | [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"}, | |
290 | [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"}, | |
291 | [ACT8865_ID_DCDC3] = { .name = "DCDC_REG3"}, | |
292 | [ACT8865_ID_LDO1] = { .name = "LDO_REG1"}, | |
293 | [ACT8865_ID_LDO2] = { .name = "LDO_REG2"}, | |
294 | [ACT8865_ID_LDO3] = { .name = "LDO_REG3"}, | |
295 | [ACT8865_ID_LDO4] = { .name = "LDO_REG4"}, | |
296 | }; | |
297 | ||
df3a950e ZLK |
298 | static struct of_regulator_match act8600_matches[] = { |
299 | [ACT8600_ID_DCDC1] = { .name = "DCDC_REG1"}, | |
300 | [ACT8600_ID_DCDC2] = { .name = "DCDC_REG2"}, | |
301 | [ACT8600_ID_DCDC3] = { .name = "DCDC_REG3"}, | |
302 | [ACT8600_ID_SUDCDC4] = { .name = "SUDCDC_REG4"}, | |
303 | [ACT8600_ID_LDO5] = { .name = "LDO_REG5"}, | |
304 | [ACT8600_ID_LDO6] = { .name = "LDO_REG6"}, | |
305 | [ACT8600_ID_LDO7] = { .name = "LDO_REG7"}, | |
306 | [ACT8600_ID_LDO8] = { .name = "LDO_REG8"}, | |
307 | [ACT8600_ID_LDO9] = { .name = "LDO_REG9"}, | |
308 | [ACT8600_ID_LDO10] = { .name = "LDO_REG10"}, | |
309 | }; | |
310 | ||
33036f48 WY |
311 | static int act8865_pdata_from_dt(struct device *dev, |
312 | struct device_node **of_node, | |
50a03e35 | 313 | struct act8865_platform_data *pdata, |
34e0247f | 314 | unsigned long type) |
33036f48 | 315 | { |
34e0247f | 316 | int matched, i, num_matches; |
33036f48 WY |
317 | struct device_node *np; |
318 | struct act8865_regulator_data *regulator; | |
34e0247f | 319 | struct of_regulator_match *matches; |
33036f48 | 320 | |
6ea970a9 | 321 | np = of_get_child_by_name(dev->of_node, "regulators"); |
33036f48 WY |
322 | if (!np) { |
323 | dev_err(dev, "missing 'regulators' subnode in DT\n"); | |
324 | return -EINVAL; | |
325 | } | |
326 | ||
34e0247f | 327 | switch (type) { |
df3a950e ZLK |
328 | case ACT8600: |
329 | matches = act8600_matches; | |
330 | num_matches = ARRAY_SIZE(act8600_matches); | |
331 | break; | |
34e0247f BG |
332 | case ACT8846: |
333 | matches = act8846_matches; | |
334 | num_matches = ARRAY_SIZE(act8846_matches); | |
335 | break; | |
336 | case ACT8865: | |
337 | matches = act8865_matches; | |
338 | num_matches = ARRAY_SIZE(act8865_matches); | |
339 | break; | |
340 | default: | |
341 | dev_err(dev, "invalid device id %lu\n", type); | |
342 | return -EINVAL; | |
343 | } | |
344 | ||
50a03e35 | 345 | matched = of_regulator_match(dev, np, matches, num_matches); |
0079eb53 | 346 | of_node_put(np); |
33036f48 WY |
347 | if (matched <= 0) |
348 | return matched; | |
349 | ||
350 | pdata->regulators = devm_kzalloc(dev, | |
50a03e35 BG |
351 | sizeof(struct act8865_regulator_data) * |
352 | num_matches, GFP_KERNEL); | |
5ee77ef2 | 353 | if (!pdata->regulators) |
33036f48 | 354 | return -ENOMEM; |
33036f48 | 355 | |
50a03e35 | 356 | pdata->num_regulators = num_matches; |
33036f48 WY |
357 | regulator = pdata->regulators; |
358 | ||
50a03e35 | 359 | for (i = 0; i < num_matches; i++) { |
33036f48 | 360 | regulator->id = i; |
50a03e35 BG |
361 | regulator->name = matches[i].name; |
362 | regulator->platform_data = matches[i].init_data; | |
363 | of_node[i] = matches[i].of_node; | |
33036f48 WY |
364 | regulator++; |
365 | } | |
366 | ||
367 | return 0; | |
368 | } | |
369 | #else | |
370 | static inline int act8865_pdata_from_dt(struct device *dev, | |
371 | struct device_node **of_node, | |
34e0247f BG |
372 | struct act8865_platform_data *pdata, |
373 | unsigned long type) | |
33036f48 WY |
374 | { |
375 | return 0; | |
376 | } | |
377 | #endif | |
378 | ||
48a1e1b5 BG |
379 | static struct regulator_init_data |
380 | *act8865_get_init_data(int id, struct act8865_platform_data *pdata) | |
381 | { | |
382 | int i; | |
383 | ||
384 | if (!pdata) | |
385 | return NULL; | |
386 | ||
387 | for (i = 0; i < pdata->num_regulators; i++) { | |
388 | if (pdata->regulators[i].id == id) | |
389 | return pdata->regulators[i].platform_data; | |
390 | } | |
391 | ||
392 | return NULL; | |
393 | } | |
394 | ||
2b17fa28 RP |
395 | static struct i2c_client *act8865_i2c_client; |
396 | static void act8865_power_off(void) | |
397 | { | |
398 | struct act8865 *act8865; | |
399 | ||
400 | act8865 = i2c_get_clientdata(act8865_i2c_client); | |
401 | regmap_write(act8865->regmap, act8865->off_reg, act8865->off_mask); | |
402 | while (1); | |
403 | } | |
404 | ||
33036f48 | 405 | static int act8865_pmic_probe(struct i2c_client *client, |
50a03e35 | 406 | const struct i2c_device_id *i2c_id) |
33036f48 | 407 | { |
50a03e35 BG |
408 | static const struct regulator_desc *regulators; |
409 | struct act8865_platform_data pdata_of, *pdata; | |
33036f48 | 410 | struct device *dev = &client->dev; |
50a03e35 BG |
411 | struct device_node **of_node; |
412 | int i, ret, num_regulators; | |
33036f48 | 413 | struct act8865 *act8865; |
50a03e35 | 414 | unsigned long type; |
2b17fa28 | 415 | int off_reg, off_mask; |
50a03e35 BG |
416 | |
417 | pdata = dev_get_platdata(dev); | |
33036f48 WY |
418 | |
419 | if (dev->of_node && !pdata) { | |
420 | const struct of_device_id *id; | |
33036f48 WY |
421 | |
422 | id = of_match_device(of_match_ptr(act8865_dt_ids), dev); | |
423 | if (!id) | |
424 | return -ENODEV; | |
425 | ||
50a03e35 BG |
426 | type = (unsigned long) id->data; |
427 | } else { | |
428 | type = i2c_id->driver_data; | |
429 | } | |
430 | ||
431 | switch (type) { | |
df3a950e ZLK |
432 | case ACT8600: |
433 | regulators = act8600_regulators; | |
434 | num_regulators = ARRAY_SIZE(act8600_regulators); | |
435 | off_reg = -1; | |
436 | off_mask = -1; | |
437 | break; | |
ac0c0ea8 | 438 | case ACT8846: |
ac0c0ea8 BG |
439 | regulators = act8846_regulators; |
440 | num_regulators = ARRAY_SIZE(act8846_regulators); | |
2b17fa28 RP |
441 | off_reg = ACT8846_GLB_OFF_CTRL; |
442 | off_mask = ACT8846_OFF_SYSMASK; | |
ac0c0ea8 | 443 | break; |
50a03e35 | 444 | case ACT8865: |
50a03e35 BG |
445 | regulators = act8865_regulators; |
446 | num_regulators = ARRAY_SIZE(act8865_regulators); | |
2b17fa28 RP |
447 | off_reg = ACT8865_SYS_CTRL; |
448 | off_mask = ACT8865_MSTROFF; | |
50a03e35 BG |
449 | break; |
450 | default: | |
451 | dev_err(dev, "invalid device id %lu\n", type); | |
452 | return -EINVAL; | |
453 | } | |
454 | ||
455 | of_node = devm_kzalloc(dev, sizeof(struct device_node *) * | |
456 | num_regulators, GFP_KERNEL); | |
457 | if (!of_node) | |
458 | return -ENOMEM; | |
459 | ||
460 | if (dev->of_node && !pdata) { | |
34e0247f | 461 | ret = act8865_pdata_from_dt(dev, of_node, &pdata_of, type); |
33036f48 WY |
462 | if (ret < 0) |
463 | return ret; | |
464 | ||
465 | pdata = &pdata_of; | |
466 | } | |
467 | ||
50a03e35 BG |
468 | if (pdata->num_regulators > num_regulators) { |
469 | dev_err(dev, "too many regulators: %d\n", | |
470 | pdata->num_regulators); | |
33036f48 WY |
471 | return -EINVAL; |
472 | } | |
473 | ||
f1de2c2f | 474 | act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); |
33036f48 WY |
475 | if (!act8865) |
476 | return -ENOMEM; | |
477 | ||
33036f48 WY |
478 | act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config); |
479 | if (IS_ERR(act8865->regmap)) { | |
40d3bc19 | 480 | ret = PTR_ERR(act8865->regmap); |
33036f48 | 481 | dev_err(&client->dev, "Failed to allocate register map: %d\n", |
40d3bc19 AL |
482 | ret); |
483 | return ret; | |
33036f48 WY |
484 | } |
485 | ||
8f73110f | 486 | if (of_device_is_system_power_controller(dev->of_node)) { |
df3a950e | 487 | if (!pm_power_off && (off_reg > 0)) { |
2b17fa28 RP |
488 | act8865_i2c_client = client; |
489 | act8865->off_reg = off_reg; | |
490 | act8865->off_mask = off_mask; | |
491 | pm_power_off = act8865_power_off; | |
492 | } else { | |
493 | dev_err(dev, "Failed to set poweroff capability, already defined\n"); | |
494 | } | |
495 | } | |
496 | ||
33036f48 | 497 | /* Finally register devices */ |
50a03e35 BG |
498 | for (i = 0; i < num_regulators; i++) { |
499 | const struct regulator_desc *desc = ®ulators[i]; | |
500 | struct regulator_config config = { }; | |
501 | struct regulator_dev *rdev; | |
33036f48 WY |
502 | |
503 | config.dev = dev; | |
48a1e1b5 | 504 | config.init_data = act8865_get_init_data(desc->id, pdata); |
33036f48 WY |
505 | config.of_node = of_node[i]; |
506 | config.driver_data = act8865; | |
507 | config.regmap = act8865->regmap; | |
508 | ||
48a1e1b5 | 509 | rdev = devm_regulator_register(&client->dev, desc, &config); |
fb8eb454 | 510 | if (IS_ERR(rdev)) { |
48a1e1b5 | 511 | dev_err(dev, "failed to register %s\n", desc->name); |
fb8eb454 | 512 | return PTR_ERR(rdev); |
33036f48 WY |
513 | } |
514 | } | |
515 | ||
516 | i2c_set_clientdata(client, act8865); | |
50a03e35 | 517 | devm_kfree(dev, of_node); |
33036f48 WY |
518 | |
519 | return 0; | |
520 | } | |
521 | ||
33036f48 | 522 | static const struct i2c_device_id act8865_ids[] = { |
df3a950e | 523 | { .name = "act8600", .driver_data = ACT8600 }, |
ac0c0ea8 | 524 | { .name = "act8846", .driver_data = ACT8846 }, |
50a03e35 | 525 | { .name = "act8865", .driver_data = ACT8865 }, |
33036f48 WY |
526 | { }, |
527 | }; | |
528 | MODULE_DEVICE_TABLE(i2c, act8865_ids); | |
529 | ||
530 | static struct i2c_driver act8865_pmic_driver = { | |
531 | .driver = { | |
532 | .name = "act8865", | |
533 | .owner = THIS_MODULE, | |
534 | }, | |
535 | .probe = act8865_pmic_probe, | |
33036f48 WY |
536 | .id_table = act8865_ids, |
537 | }; | |
538 | ||
539 | module_i2c_driver(act8865_pmic_driver); | |
540 | ||
50a03e35 | 541 | MODULE_DESCRIPTION("active-semi act88xx voltage regulator driver"); |
33036f48 WY |
542 | MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>"); |
543 | MODULE_LICENSE("GPL v2"); |