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129eef96 EM |
1 | /* |
2 | * Regulators driver for Dialog Semiconductor DA903x | |
3 | * | |
4 | * Copyright (C) 2006-2008 Marvell International Ltd. | |
5 | * Copyright (C) 2008 Compulab Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/err.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/regulator/driver.h> | |
17 | #include <linux/regulator/machine.h> | |
18 | #include <linux/mfd/da903x.h> | |
19 | ||
20 | /* DA9030 Registers */ | |
21 | #define DA9030_INVAL (-1) | |
22 | #define DA9030_LDO1011 (0x10) | |
23 | #define DA9030_LDO15 (0x11) | |
24 | #define DA9030_LDO1416 (0x12) | |
25 | #define DA9030_LDO1819 (0x13) | |
26 | #define DA9030_LDO17 (0x14) | |
27 | #define DA9030_BUCK2DVM1 (0x15) | |
28 | #define DA9030_BUCK2DVM2 (0x16) | |
29 | #define DA9030_RCTL11 (0x17) | |
30 | #define DA9030_RCTL21 (0x18) | |
31 | #define DA9030_LDO1 (0x90) | |
32 | #define DA9030_LDO23 (0x91) | |
33 | #define DA9030_LDO45 (0x92) | |
34 | #define DA9030_LDO6 (0x93) | |
35 | #define DA9030_LDO78 (0x94) | |
36 | #define DA9030_LDO912 (0x95) | |
37 | #define DA9030_BUCK (0x96) | |
38 | #define DA9030_RCTL12 (0x97) | |
39 | #define DA9030_RCTL22 (0x98) | |
40 | #define DA9030_LDO_UNLOCK (0xa0) | |
41 | #define DA9030_LDO_UNLOCK_MASK (0xe0) | |
42 | #define DA9034_OVER1 (0x10) | |
43 | ||
44 | /* DA9034 Registers */ | |
45 | #define DA9034_INVAL (-1) | |
46 | #define DA9034_OVER2 (0x11) | |
47 | #define DA9034_OVER3 (0x12) | |
48 | #define DA9034_LDO643 (0x13) | |
49 | #define DA9034_LDO987 (0x14) | |
50 | #define DA9034_LDO1110 (0x15) | |
51 | #define DA9034_LDO1312 (0x16) | |
52 | #define DA9034_LDO1514 (0x17) | |
53 | #define DA9034_VCC1 (0x20) | |
54 | #define DA9034_ADTV1 (0x23) | |
55 | #define DA9034_ADTV2 (0x24) | |
56 | #define DA9034_AVRC (0x25) | |
57 | #define DA9034_CDTV1 (0x26) | |
58 | #define DA9034_CDTV2 (0x27) | |
59 | #define DA9034_CVRC (0x28) | |
60 | #define DA9034_SDTV1 (0x29) | |
61 | #define DA9034_SDTV2 (0x2a) | |
62 | #define DA9034_SVRC (0x2b) | |
63 | #define DA9034_MDTV1 (0x32) | |
64 | #define DA9034_MDTV2 (0x33) | |
65 | #define DA9034_MVRC (0x34) | |
66 | ||
0198d116 HZ |
67 | /* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */ |
68 | #define DA9035_OVER3 (0x12) | |
69 | #define DA9035_VCC2 (0x1f) | |
70 | #define DA9035_3DTV1 (0x2c) | |
71 | #define DA9035_3DTV2 (0x2d) | |
72 | #define DA9035_3VRC (0x2e) | |
73 | #define DA9035_AUTOSKIP (0x2f) | |
74 | ||
129eef96 EM |
75 | struct da903x_regulator_info { |
76 | struct regulator_desc desc; | |
77 | ||
78 | int min_uV; | |
79 | int max_uV; | |
80 | int step_uV; | |
81 | int vol_reg; | |
82 | int vol_shift; | |
83 | int vol_nbits; | |
84 | int update_reg; | |
85 | int update_bit; | |
86 | int enable_reg; | |
87 | int enable_bit; | |
88 | }; | |
89 | ||
c1b60873 HZ |
90 | static int da9034_ldo12_data[] = { 1700, 1750, 1800, 1850, 1900, 1950, |
91 | 2000, 2050, 2700, 2750, 2800, 2850, | |
92 | 2900, 2950, 3000, 3050 }; | |
93 | ||
1841c0f2 JC |
94 | static inline struct device *to_da903x_dev(struct regulator_dev *rdev) |
95 | { | |
96 | return rdev_get_dev(rdev)->parent->parent; | |
97 | } | |
98 | ||
129eef96 EM |
99 | static inline int check_range(struct da903x_regulator_info *info, |
100 | int min_uV, int max_uV) | |
101 | { | |
102 | if (min_uV < info->min_uV || min_uV > info->max_uV) | |
103 | return -EINVAL; | |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
108 | /* DA9030/DA9034 common operations */ | |
109 | static int da903x_set_ldo_voltage(struct regulator_dev *rdev, | |
3a93f2a9 | 110 | int min_uV, int max_uV, unsigned *selector) |
129eef96 EM |
111 | { |
112 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 113 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
114 | uint8_t val, mask; |
115 | ||
116 | if (check_range(info, min_uV, max_uV)) { | |
471d8d49 | 117 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
118 | return -EINVAL; |
119 | } | |
120 | ||
121 | val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; | |
3a93f2a9 | 122 | *selector = val; |
129eef96 EM |
123 | val <<= info->vol_shift; |
124 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
125 | ||
126 | return da903x_update(da9034_dev, info->vol_reg, val, mask); | |
127 | } | |
128 | ||
129 | static int da903x_get_voltage(struct regulator_dev *rdev) | |
130 | { | |
131 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 132 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
133 | uint8_t val, mask; |
134 | int ret; | |
135 | ||
136 | ret = da903x_read(da9034_dev, info->vol_reg, &val); | |
137 | if (ret) | |
138 | return ret; | |
139 | ||
140 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
141 | val = (val & mask) >> info->vol_shift; | |
142 | ||
143 | return info->min_uV + info->step_uV * val; | |
144 | } | |
145 | ||
146 | static int da903x_enable(struct regulator_dev *rdev) | |
147 | { | |
148 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 149 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
150 | |
151 | return da903x_set_bits(da9034_dev, info->enable_reg, | |
152 | 1 << info->enable_bit); | |
153 | } | |
154 | ||
155 | static int da903x_disable(struct regulator_dev *rdev) | |
156 | { | |
157 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 158 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
159 | |
160 | return da903x_clr_bits(da9034_dev, info->enable_reg, | |
161 | 1 << info->enable_bit); | |
162 | } | |
163 | ||
164 | static int da903x_is_enabled(struct regulator_dev *rdev) | |
165 | { | |
166 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 167 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
168 | uint8_t reg_val; |
169 | int ret; | |
170 | ||
171 | ret = da903x_read(da9034_dev, info->enable_reg, ®_val); | |
172 | if (ret) | |
173 | return ret; | |
174 | ||
96186904 | 175 | return !!(reg_val & (1 << info->enable_bit)); |
129eef96 EM |
176 | } |
177 | ||
c1b60873 HZ |
178 | static int da903x_list_voltage(struct regulator_dev *rdev, unsigned selector) |
179 | { | |
180 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
181 | int ret; | |
182 | ||
183 | ret = info->min_uV + info->step_uV * selector; | |
184 | if (ret > info->max_uV) | |
185 | return -EINVAL; | |
186 | return ret; | |
187 | } | |
188 | ||
129eef96 EM |
189 | /* DA9030 specific operations */ |
190 | static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev, | |
3a93f2a9 MB |
191 | int min_uV, int max_uV, |
192 | unsigned *selector) | |
129eef96 EM |
193 | { |
194 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 195 | struct device *da903x_dev = to_da903x_dev(rdev); |
129eef96 EM |
196 | uint8_t val, mask; |
197 | int ret; | |
198 | ||
199 | if (check_range(info, min_uV, max_uV)) { | |
471d8d49 | 200 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
201 | return -EINVAL; |
202 | } | |
203 | ||
204 | val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; | |
3a93f2a9 | 205 | *selector = val; |
129eef96 EM |
206 | val <<= info->vol_shift; |
207 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
208 | val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */ | |
209 | mask |= DA9030_LDO_UNLOCK_MASK; | |
210 | ||
211 | /* write twice */ | |
212 | ret = da903x_update(da903x_dev, info->vol_reg, val, mask); | |
213 | if (ret) | |
214 | return ret; | |
215 | ||
216 | return da903x_update(da903x_dev, info->vol_reg, val, mask); | |
217 | } | |
218 | ||
219 | static int da9030_set_ldo14_voltage(struct regulator_dev *rdev, | |
3a93f2a9 MB |
220 | int min_uV, int max_uV, |
221 | unsigned *selector) | |
129eef96 EM |
222 | { |
223 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 224 | struct device *da903x_dev = to_da903x_dev(rdev); |
129eef96 EM |
225 | uint8_t val, mask; |
226 | int thresh; | |
227 | ||
228 | if (check_range(info, min_uV, max_uV)) { | |
471d8d49 | 229 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
230 | return -EINVAL; |
231 | } | |
232 | ||
233 | thresh = (info->max_uV + info->min_uV) / 2; | |
234 | if (min_uV < thresh) { | |
235 | val = (thresh - min_uV + info->step_uV - 1) / info->step_uV; | |
236 | val |= 0x4; | |
237 | } else { | |
238 | val = (min_uV - thresh + info->step_uV - 1) / info->step_uV; | |
239 | } | |
240 | ||
3a93f2a9 | 241 | *selector = val; |
129eef96 EM |
242 | val <<= info->vol_shift; |
243 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
244 | ||
245 | return da903x_update(da903x_dev, info->vol_reg, val, mask); | |
246 | } | |
247 | ||
248 | static int da9030_get_ldo14_voltage(struct regulator_dev *rdev) | |
249 | { | |
250 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 251 | struct device *da903x_dev = to_da903x_dev(rdev); |
129eef96 EM |
252 | uint8_t val, mask; |
253 | int ret; | |
254 | ||
255 | ret = da903x_read(da903x_dev, info->vol_reg, &val); | |
256 | if (ret) | |
257 | return ret; | |
258 | ||
259 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
260 | val = (val & mask) >> info->vol_shift; | |
261 | ||
262 | if (val & 0x4) | |
263 | return info->min_uV + info->step_uV * (3 - (val & ~0x4)); | |
264 | else | |
265 | return (info->max_uV + info->min_uV) / 2 + | |
266 | info->step_uV * (val & ~0x4); | |
267 | } | |
268 | ||
269 | /* DA9034 specific operations */ | |
270 | static int da9034_set_dvc_voltage(struct regulator_dev *rdev, | |
3a93f2a9 | 271 | int min_uV, int max_uV, unsigned *selector) |
129eef96 EM |
272 | { |
273 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 274 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
275 | uint8_t val, mask; |
276 | int ret; | |
277 | ||
278 | if (check_range(info, min_uV, max_uV)) { | |
471d8d49 | 279 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
280 | return -EINVAL; |
281 | } | |
282 | ||
283 | val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; | |
3a93f2a9 | 284 | *selector = val; |
129eef96 EM |
285 | val <<= info->vol_shift; |
286 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
287 | ||
288 | ret = da903x_update(da9034_dev, info->vol_reg, val, mask); | |
289 | if (ret) | |
290 | return ret; | |
291 | ||
292 | ret = da903x_set_bits(da9034_dev, info->update_reg, | |
293 | 1 << info->update_bit); | |
294 | return ret; | |
295 | } | |
296 | ||
297 | static int da9034_set_ldo12_voltage(struct regulator_dev *rdev, | |
3a93f2a9 | 298 | int min_uV, int max_uV, unsigned *selector) |
129eef96 EM |
299 | { |
300 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 301 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
302 | uint8_t val, mask; |
303 | ||
304 | if (check_range(info, min_uV, max_uV)) { | |
471d8d49 | 305 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
306 | return -EINVAL; |
307 | } | |
308 | ||
309 | val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; | |
55c1d7c6 | 310 | val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val); |
3a93f2a9 | 311 | *selector = val; |
129eef96 EM |
312 | val <<= info->vol_shift; |
313 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
314 | ||
315 | return da903x_update(da9034_dev, info->vol_reg, val, mask); | |
316 | } | |
317 | ||
318 | static int da9034_get_ldo12_voltage(struct regulator_dev *rdev) | |
319 | { | |
320 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 321 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
322 | uint8_t val, mask; |
323 | int ret; | |
324 | ||
325 | ret = da903x_read(da9034_dev, info->vol_reg, &val); | |
326 | if (ret) | |
327 | return ret; | |
328 | ||
329 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
330 | val = (val & mask) >> info->vol_shift; | |
331 | ||
332 | if (val >= 8) | |
333 | return 2700000 + info->step_uV * (val - 8); | |
334 | ||
335 | return info->min_uV + info->step_uV * val; | |
336 | } | |
337 | ||
c1b60873 HZ |
338 | static int da9034_list_ldo12_voltage(struct regulator_dev *rdev, |
339 | unsigned selector) | |
340 | { | |
495353a3 | 341 | if (selector >= ARRAY_SIZE(da9034_ldo12_data)) |
c1b60873 HZ |
342 | return -EINVAL; |
343 | return da9034_ldo12_data[selector] * 1000; | |
344 | } | |
345 | ||
129eef96 EM |
346 | static struct regulator_ops da903x_regulator_ldo_ops = { |
347 | .set_voltage = da903x_set_ldo_voltage, | |
348 | .get_voltage = da903x_get_voltage, | |
c1b60873 | 349 | .list_voltage = da903x_list_voltage, |
129eef96 EM |
350 | .enable = da903x_enable, |
351 | .disable = da903x_disable, | |
352 | .is_enabled = da903x_is_enabled, | |
353 | }; | |
354 | ||
355 | /* NOTE: this is dedicated for the insane DA9030 LDO14 */ | |
356 | static struct regulator_ops da9030_regulator_ldo14_ops = { | |
357 | .set_voltage = da9030_set_ldo14_voltage, | |
358 | .get_voltage = da9030_get_ldo14_voltage, | |
c1b60873 | 359 | .list_voltage = da903x_list_voltage, |
129eef96 EM |
360 | .enable = da903x_enable, |
361 | .disable = da903x_disable, | |
362 | .is_enabled = da903x_is_enabled, | |
363 | }; | |
364 | ||
365 | /* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */ | |
366 | static struct regulator_ops da9030_regulator_ldo1_15_ops = { | |
367 | .set_voltage = da9030_set_ldo1_15_voltage, | |
368 | .get_voltage = da903x_get_voltage, | |
c1b60873 | 369 | .list_voltage = da903x_list_voltage, |
129eef96 EM |
370 | .enable = da903x_enable, |
371 | .disable = da903x_disable, | |
372 | .is_enabled = da903x_is_enabled, | |
373 | }; | |
374 | ||
375 | static struct regulator_ops da9034_regulator_dvc_ops = { | |
376 | .set_voltage = da9034_set_dvc_voltage, | |
377 | .get_voltage = da903x_get_voltage, | |
c1b60873 | 378 | .list_voltage = da903x_list_voltage, |
129eef96 EM |
379 | .enable = da903x_enable, |
380 | .disable = da903x_disable, | |
381 | .is_enabled = da903x_is_enabled, | |
382 | }; | |
383 | ||
384 | /* NOTE: this is dedicated for the insane LDO12 */ | |
385 | static struct regulator_ops da9034_regulator_ldo12_ops = { | |
386 | .set_voltage = da9034_set_ldo12_voltage, | |
387 | .get_voltage = da9034_get_ldo12_voltage, | |
c1b60873 | 388 | .list_voltage = da9034_list_ldo12_voltage, |
129eef96 EM |
389 | .enable = da903x_enable, |
390 | .disable = da903x_disable, | |
391 | .is_enabled = da903x_is_enabled, | |
392 | }; | |
393 | ||
394 | #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ | |
395 | { \ | |
396 | .desc = { \ | |
397 | .name = "LDO" #_id, \ | |
398 | .ops = &da903x_regulator_ldo_ops, \ | |
399 | .type = REGULATOR_VOLTAGE, \ | |
400 | .id = _pmic##_ID_LDO##_id, \ | |
c1b60873 | 401 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
129eef96 EM |
402 | .owner = THIS_MODULE, \ |
403 | }, \ | |
404 | .min_uV = (min) * 1000, \ | |
405 | .max_uV = (max) * 1000, \ | |
406 | .step_uV = (step) * 1000, \ | |
407 | .vol_reg = _pmic##_##vreg, \ | |
408 | .vol_shift = (shift), \ | |
409 | .vol_nbits = (nbits), \ | |
410 | .enable_reg = _pmic##_##ereg, \ | |
411 | .enable_bit = (ebit), \ | |
412 | } | |
413 | ||
c6db1828 | 414 | #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
fc4f42e7 HZ |
415 | { \ |
416 | .desc = { \ | |
417 | .name = #_id, \ | |
418 | .ops = &da9034_regulator_dvc_ops, \ | |
419 | .type = REGULATOR_VOLTAGE, \ | |
c6db1828 | 420 | .id = _pmic##_ID_##_id, \ |
c1b60873 | 421 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
fc4f42e7 HZ |
422 | .owner = THIS_MODULE, \ |
423 | }, \ | |
424 | .min_uV = (min) * 1000, \ | |
425 | .max_uV = (max) * 1000, \ | |
426 | .step_uV = (step) * 1000, \ | |
c6db1828 | 427 | .vol_reg = _pmic##_##vreg, \ |
0198d116 HZ |
428 | .vol_shift = (0), \ |
429 | .vol_nbits = (nbits), \ | |
c6db1828 | 430 | .update_reg = _pmic##_##ureg, \ |
0198d116 | 431 | .update_bit = (ubit), \ |
c6db1828 | 432 | .enable_reg = _pmic##_##ereg, \ |
0198d116 HZ |
433 | .enable_bit = (ebit), \ |
434 | } | |
435 | ||
129eef96 EM |
436 | #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
437 | DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit) | |
438 | ||
439 | #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ | |
440 | DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit) | |
441 | ||
c6db1828 MR |
442 | #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
443 | DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
444 | ereg, ebit) | |
445 | ||
446 | #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ | |
447 | DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
448 | ereg, ebit) | |
449 | ||
450 | #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ | |
451 | DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
452 | ereg, ebit) | |
453 | ||
129eef96 EM |
454 | static struct da903x_regulator_info da903x_regulator_info[] = { |
455 | /* DA9030 */ | |
fc4f42e7 HZ |
456 | DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0), |
457 | ||
129eef96 EM |
458 | DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1), |
459 | DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2), | |
460 | DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3), | |
461 | DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4), | |
462 | DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5), | |
463 | DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6), | |
464 | DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7), | |
465 | DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0), | |
466 | DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1), | |
467 | DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2), | |
468 | DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3), | |
469 | DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4), | |
470 | DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4), | |
471 | DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5), | |
472 | DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6), | |
473 | DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7), | |
474 | DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2), | |
475 | DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1), | |
476 | DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */ | |
477 | ||
478 | /* DA9034 */ | |
e88267e1 HZ |
479 | DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0), |
480 | DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1), | |
481 | DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2), | |
129eef96 EM |
482 | DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4), |
483 | ||
484 | DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5), | |
485 | DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6), | |
486 | DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0), | |
487 | DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1), | |
488 | DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2), | |
489 | DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3), | |
490 | DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4), | |
491 | DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5), | |
492 | DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6), | |
493 | DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7), | |
494 | DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0), | |
495 | DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1), | |
496 | DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */ | |
0198d116 HZ |
497 | |
498 | /* DA9035 */ | |
499 | DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3), | |
129eef96 EM |
500 | }; |
501 | ||
502 | static inline struct da903x_regulator_info *find_regulator_info(int id) | |
503 | { | |
504 | struct da903x_regulator_info *ri; | |
505 | int i; | |
506 | ||
507 | for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) { | |
508 | ri = &da903x_regulator_info[i]; | |
509 | if (ri->desc.id == id) | |
510 | return ri; | |
511 | } | |
512 | return NULL; | |
513 | } | |
514 | ||
515 | static int __devinit da903x_regulator_probe(struct platform_device *pdev) | |
516 | { | |
517 | struct da903x_regulator_info *ri = NULL; | |
518 | struct regulator_dev *rdev; | |
519 | ||
520 | ri = find_regulator_info(pdev->id); | |
521 | if (ri == NULL) { | |
522 | dev_err(&pdev->dev, "invalid regulator ID specified\n"); | |
523 | return -EINVAL; | |
524 | } | |
525 | ||
526 | /* Workaround for the weird LDO12 voltage setting */ | |
c1b60873 | 527 | if (ri->desc.id == DA9034_ID_LDO12) { |
129eef96 | 528 | ri->desc.ops = &da9034_regulator_ldo12_ops; |
c1b60873 HZ |
529 | ri->desc.n_voltages = ARRAY_SIZE(da9034_ldo12_data); |
530 | } | |
129eef96 EM |
531 | |
532 | if (ri->desc.id == DA9030_ID_LDO14) | |
533 | ri->desc.ops = &da9030_regulator_ldo14_ops; | |
534 | ||
535 | if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15) | |
536 | ri->desc.ops = &da9030_regulator_ldo1_15_ops; | |
537 | ||
0527100f MB |
538 | rdev = regulator_register(&ri->desc, &pdev->dev, |
539 | pdev->dev.platform_data, ri); | |
129eef96 EM |
540 | if (IS_ERR(rdev)) { |
541 | dev_err(&pdev->dev, "failed to register regulator %s\n", | |
542 | ri->desc.name); | |
543 | return PTR_ERR(rdev); | |
544 | } | |
545 | ||
546 | platform_set_drvdata(pdev, rdev); | |
547 | return 0; | |
548 | } | |
549 | ||
550 | static int __devexit da903x_regulator_remove(struct platform_device *pdev) | |
551 | { | |
552 | struct regulator_dev *rdev = platform_get_drvdata(pdev); | |
553 | ||
554 | regulator_unregister(rdev); | |
555 | return 0; | |
556 | } | |
557 | ||
558 | static struct platform_driver da903x_regulator_driver = { | |
559 | .driver = { | |
560 | .name = "da903x-regulator", | |
561 | .owner = THIS_MODULE, | |
562 | }, | |
563 | .probe = da903x_regulator_probe, | |
5b4662f0 | 564 | .remove = __devexit_p(da903x_regulator_remove), |
129eef96 EM |
565 | }; |
566 | ||
567 | static int __init da903x_regulator_init(void) | |
568 | { | |
569 | return platform_driver_register(&da903x_regulator_driver); | |
570 | } | |
5a1b22be | 571 | subsys_initcall(da903x_regulator_init); |
129eef96 EM |
572 | |
573 | static void __exit da903x_regulator_exit(void) | |
574 | { | |
575 | platform_driver_unregister(&da903x_regulator_driver); | |
576 | } | |
577 | module_exit(da903x_regulator_exit); | |
578 | ||
579 | MODULE_LICENSE("GPL"); | |
580 | MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>" | |
581 | "Mike Rapoport <mike@compulab.co.il>"); | |
582 | MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC"); | |
583 | MODULE_ALIAS("platform:da903x-regulator"); |