Commit | Line | Data |
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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> | |
65602c32 | 15 | #include <linux/module.h> |
129eef96 EM |
16 | #include <linux/platform_device.h> |
17 | #include <linux/regulator/driver.h> | |
18 | #include <linux/regulator/machine.h> | |
19 | #include <linux/mfd/da903x.h> | |
20 | ||
21 | /* DA9030 Registers */ | |
22 | #define DA9030_INVAL (-1) | |
23 | #define DA9030_LDO1011 (0x10) | |
24 | #define DA9030_LDO15 (0x11) | |
25 | #define DA9030_LDO1416 (0x12) | |
26 | #define DA9030_LDO1819 (0x13) | |
27 | #define DA9030_LDO17 (0x14) | |
28 | #define DA9030_BUCK2DVM1 (0x15) | |
29 | #define DA9030_BUCK2DVM2 (0x16) | |
30 | #define DA9030_RCTL11 (0x17) | |
31 | #define DA9030_RCTL21 (0x18) | |
32 | #define DA9030_LDO1 (0x90) | |
33 | #define DA9030_LDO23 (0x91) | |
34 | #define DA9030_LDO45 (0x92) | |
35 | #define DA9030_LDO6 (0x93) | |
36 | #define DA9030_LDO78 (0x94) | |
37 | #define DA9030_LDO912 (0x95) | |
38 | #define DA9030_BUCK (0x96) | |
39 | #define DA9030_RCTL12 (0x97) | |
40 | #define DA9030_RCTL22 (0x98) | |
41 | #define DA9030_LDO_UNLOCK (0xa0) | |
42 | #define DA9030_LDO_UNLOCK_MASK (0xe0) | |
43 | #define DA9034_OVER1 (0x10) | |
44 | ||
45 | /* DA9034 Registers */ | |
46 | #define DA9034_INVAL (-1) | |
47 | #define DA9034_OVER2 (0x11) | |
48 | #define DA9034_OVER3 (0x12) | |
49 | #define DA9034_LDO643 (0x13) | |
50 | #define DA9034_LDO987 (0x14) | |
51 | #define DA9034_LDO1110 (0x15) | |
52 | #define DA9034_LDO1312 (0x16) | |
53 | #define DA9034_LDO1514 (0x17) | |
54 | #define DA9034_VCC1 (0x20) | |
55 | #define DA9034_ADTV1 (0x23) | |
56 | #define DA9034_ADTV2 (0x24) | |
57 | #define DA9034_AVRC (0x25) | |
58 | #define DA9034_CDTV1 (0x26) | |
59 | #define DA9034_CDTV2 (0x27) | |
60 | #define DA9034_CVRC (0x28) | |
61 | #define DA9034_SDTV1 (0x29) | |
62 | #define DA9034_SDTV2 (0x2a) | |
63 | #define DA9034_SVRC (0x2b) | |
64 | #define DA9034_MDTV1 (0x32) | |
65 | #define DA9034_MDTV2 (0x33) | |
66 | #define DA9034_MVRC (0x34) | |
67 | ||
0198d116 HZ |
68 | /* DA9035 Registers. DA9034 Registers are comptabile to DA9035. */ |
69 | #define DA9035_OVER3 (0x12) | |
70 | #define DA9035_VCC2 (0x1f) | |
71 | #define DA9035_3DTV1 (0x2c) | |
72 | #define DA9035_3DTV2 (0x2d) | |
73 | #define DA9035_3VRC (0x2e) | |
74 | #define DA9035_AUTOSKIP (0x2f) | |
75 | ||
129eef96 EM |
76 | struct da903x_regulator_info { |
77 | struct regulator_desc desc; | |
78 | ||
129eef96 | 79 | int max_uV; |
129eef96 EM |
80 | int vol_reg; |
81 | int vol_shift; | |
82 | int vol_nbits; | |
83 | int update_reg; | |
84 | int update_bit; | |
85 | int enable_reg; | |
86 | int enable_bit; | |
87 | }; | |
88 | ||
1841c0f2 JC |
89 | static inline struct device *to_da903x_dev(struct regulator_dev *rdev) |
90 | { | |
91 | return rdev_get_dev(rdev)->parent->parent; | |
92 | } | |
93 | ||
129eef96 EM |
94 | static inline int check_range(struct da903x_regulator_info *info, |
95 | int min_uV, int max_uV) | |
96 | { | |
70b4e786 | 97 | if (min_uV < info->desc.min_uV || min_uV > info->max_uV) |
129eef96 EM |
98 | return -EINVAL; |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | /* DA9030/DA9034 common operations */ | |
bae5e9c3 | 104 | static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) |
129eef96 EM |
105 | { |
106 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 107 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
108 | uint8_t val, mask; |
109 | ||
ee3ed6ef AL |
110 | if (rdev->desc->n_voltages == 1) |
111 | return -EINVAL; | |
112 | ||
c972a029 | 113 | val = selector << info->vol_shift; |
129eef96 EM |
114 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
115 | ||
116 | return da903x_update(da9034_dev, info->vol_reg, val, mask); | |
117 | } | |
118 | ||
9447f35a | 119 | static int da903x_get_voltage_sel(struct regulator_dev *rdev) |
129eef96 EM |
120 | { |
121 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 122 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
123 | uint8_t val, mask; |
124 | int ret; | |
125 | ||
ee3ed6ef AL |
126 | if (rdev->desc->n_voltages == 1) |
127 | return 0; | |
128 | ||
129eef96 EM |
129 | ret = da903x_read(da9034_dev, info->vol_reg, &val); |
130 | if (ret) | |
131 | return ret; | |
132 | ||
133 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; | |
134 | val = (val & mask) >> info->vol_shift; | |
135 | ||
9447f35a | 136 | return val; |
129eef96 EM |
137 | } |
138 | ||
139 | static int da903x_enable(struct regulator_dev *rdev) | |
140 | { | |
141 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 142 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
143 | |
144 | return da903x_set_bits(da9034_dev, info->enable_reg, | |
145 | 1 << info->enable_bit); | |
146 | } | |
147 | ||
148 | static int da903x_disable(struct regulator_dev *rdev) | |
149 | { | |
150 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 151 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
152 | |
153 | return da903x_clr_bits(da9034_dev, info->enable_reg, | |
154 | 1 << info->enable_bit); | |
155 | } | |
156 | ||
157 | static int da903x_is_enabled(struct regulator_dev *rdev) | |
158 | { | |
159 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 160 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
161 | uint8_t reg_val; |
162 | int ret; | |
163 | ||
164 | ret = da903x_read(da9034_dev, info->enable_reg, ®_val); | |
165 | if (ret) | |
166 | return ret; | |
167 | ||
96186904 | 168 | return !!(reg_val & (1 << info->enable_bit)); |
129eef96 EM |
169 | } |
170 | ||
171 | /* DA9030 specific operations */ | |
c972a029 AL |
172 | static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev, |
173 | unsigned selector) | |
129eef96 EM |
174 | { |
175 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 176 | struct device *da903x_dev = to_da903x_dev(rdev); |
129eef96 EM |
177 | uint8_t val, mask; |
178 | int ret; | |
179 | ||
c972a029 | 180 | val = selector << info->vol_shift; |
129eef96 EM |
181 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
182 | val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */ | |
183 | mask |= DA9030_LDO_UNLOCK_MASK; | |
184 | ||
185 | /* write twice */ | |
186 | ret = da903x_update(da903x_dev, info->vol_reg, val, mask); | |
187 | if (ret) | |
188 | return ret; | |
189 | ||
190 | return da903x_update(da903x_dev, info->vol_reg, val, mask); | |
191 | } | |
192 | ||
c972a029 AL |
193 | static int da9030_map_ldo14_voltage(struct regulator_dev *rdev, |
194 | int min_uV, int max_uV) | |
195 | { | |
196 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
197 | int thresh, sel; | |
129eef96 EM |
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 | ||
70b4e786 | 204 | thresh = (info->max_uV + info->desc.min_uV) / 2; |
129eef96 | 205 | if (min_uV < thresh) { |
c972a029 AL |
206 | sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step); |
207 | sel |= 0x4; | |
129eef96 | 208 | } else { |
c972a029 | 209 | sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step); |
129eef96 EM |
210 | } |
211 | ||
c972a029 | 212 | return sel; |
129eef96 EM |
213 | } |
214 | ||
d4eb56a1 AL |
215 | static int da9030_list_ldo14_voltage(struct regulator_dev *rdev, |
216 | unsigned selector) | |
217 | { | |
218 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
219 | int volt; | |
220 | ||
221 | if (selector & 0x4) | |
70b4e786 AL |
222 | volt = rdev->desc->min_uV + |
223 | rdev->desc->uV_step * (3 - (selector & ~0x4)); | |
d4eb56a1 | 224 | else |
70b4e786 AL |
225 | volt = (info->max_uV + rdev->desc->min_uV) / 2 + |
226 | rdev->desc->uV_step * (selector & ~0x4); | |
d4eb56a1 AL |
227 | |
228 | if (volt > info->max_uV) | |
229 | return -EINVAL; | |
230 | ||
231 | return volt; | |
232 | } | |
233 | ||
129eef96 | 234 | /* DA9034 specific operations */ |
c972a029 AL |
235 | static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev, |
236 | unsigned selector) | |
129eef96 EM |
237 | { |
238 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
1841c0f2 | 239 | struct device *da9034_dev = to_da903x_dev(rdev); |
129eef96 EM |
240 | uint8_t val, mask; |
241 | int ret; | |
242 | ||
c972a029 | 243 | val = selector << info->vol_shift; |
129eef96 EM |
244 | mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; |
245 | ||
246 | ret = da903x_update(da9034_dev, info->vol_reg, val, mask); | |
247 | if (ret) | |
248 | return ret; | |
249 | ||
250 | ret = da903x_set_bits(da9034_dev, info->update_reg, | |
251 | 1 << info->update_bit); | |
252 | return ret; | |
253 | } | |
254 | ||
c972a029 AL |
255 | static int da9034_map_ldo12_voltage(struct regulator_dev *rdev, |
256 | int min_uV, int max_uV) | |
257 | { | |
258 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); | |
259 | int sel; | |
260 | ||
129eef96 | 261 | if (check_range(info, min_uV, max_uV)) { |
471d8d49 | 262 | pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); |
129eef96 EM |
263 | return -EINVAL; |
264 | } | |
265 | ||
c972a029 AL |
266 | sel = DIV_ROUND_UP(min_uV - info->desc.min_uV, info->desc.uV_step); |
267 | sel = (sel >= 20) ? sel - 12 : ((sel > 7) ? 8 : sel); | |
129eef96 | 268 | |
c972a029 | 269 | return sel; |
129eef96 EM |
270 | } |
271 | ||
c1b60873 HZ |
272 | static int da9034_list_ldo12_voltage(struct regulator_dev *rdev, |
273 | unsigned selector) | |
274 | { | |
9447f35a AL |
275 | struct da903x_regulator_info *info = rdev_get_drvdata(rdev); |
276 | int volt; | |
277 | ||
278 | if (selector >= 8) | |
70b4e786 | 279 | volt = 2700000 + rdev->desc->uV_step * (selector - 8); |
9447f35a | 280 | else |
70b4e786 | 281 | volt = rdev->desc->min_uV + rdev->desc->uV_step * selector; |
9447f35a AL |
282 | |
283 | if (volt > info->max_uV) | |
c1b60873 | 284 | return -EINVAL; |
9447f35a AL |
285 | |
286 | return volt; | |
c1b60873 HZ |
287 | } |
288 | ||
129eef96 | 289 | static struct regulator_ops da903x_regulator_ldo_ops = { |
bae5e9c3 | 290 | .set_voltage_sel = da903x_set_voltage_sel, |
9447f35a | 291 | .get_voltage_sel = da903x_get_voltage_sel, |
70b4e786 | 292 | .list_voltage = regulator_list_voltage_linear, |
c972a029 | 293 | .map_voltage = regulator_map_voltage_linear, |
129eef96 EM |
294 | .enable = da903x_enable, |
295 | .disable = da903x_disable, | |
296 | .is_enabled = da903x_is_enabled, | |
297 | }; | |
298 | ||
299 | /* NOTE: this is dedicated for the insane DA9030 LDO14 */ | |
300 | static struct regulator_ops da9030_regulator_ldo14_ops = { | |
bae5e9c3 AL |
301 | .set_voltage_sel = da903x_set_voltage_sel, |
302 | .get_voltage_sel = da903x_get_voltage_sel, | |
d4eb56a1 | 303 | .list_voltage = da9030_list_ldo14_voltage, |
c972a029 | 304 | .map_voltage = da9030_map_ldo14_voltage, |
129eef96 EM |
305 | .enable = da903x_enable, |
306 | .disable = da903x_disable, | |
307 | .is_enabled = da903x_is_enabled, | |
308 | }; | |
309 | ||
310 | /* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */ | |
311 | static struct regulator_ops da9030_regulator_ldo1_15_ops = { | |
c972a029 | 312 | .set_voltage_sel = da9030_set_ldo1_15_voltage_sel, |
9447f35a | 313 | .get_voltage_sel = da903x_get_voltage_sel, |
70b4e786 | 314 | .list_voltage = regulator_list_voltage_linear, |
c972a029 | 315 | .map_voltage = regulator_map_voltage_linear, |
129eef96 EM |
316 | .enable = da903x_enable, |
317 | .disable = da903x_disable, | |
318 | .is_enabled = da903x_is_enabled, | |
319 | }; | |
320 | ||
321 | static struct regulator_ops da9034_regulator_dvc_ops = { | |
c972a029 | 322 | .set_voltage_sel = da9034_set_dvc_voltage_sel, |
9447f35a | 323 | .get_voltage_sel = da903x_get_voltage_sel, |
70b4e786 | 324 | .list_voltage = regulator_list_voltage_linear, |
c972a029 | 325 | .map_voltage = regulator_map_voltage_linear, |
129eef96 EM |
326 | .enable = da903x_enable, |
327 | .disable = da903x_disable, | |
328 | .is_enabled = da903x_is_enabled, | |
329 | }; | |
330 | ||
331 | /* NOTE: this is dedicated for the insane LDO12 */ | |
332 | static struct regulator_ops da9034_regulator_ldo12_ops = { | |
bae5e9c3 AL |
333 | .set_voltage_sel = da903x_set_voltage_sel, |
334 | .get_voltage_sel = da903x_get_voltage_sel, | |
c1b60873 | 335 | .list_voltage = da9034_list_ldo12_voltage, |
c972a029 | 336 | .map_voltage = da9034_map_ldo12_voltage, |
129eef96 EM |
337 | .enable = da903x_enable, |
338 | .disable = da903x_disable, | |
339 | .is_enabled = da903x_is_enabled, | |
340 | }; | |
341 | ||
342 | #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ | |
343 | { \ | |
344 | .desc = { \ | |
345 | .name = "LDO" #_id, \ | |
346 | .ops = &da903x_regulator_ldo_ops, \ | |
347 | .type = REGULATOR_VOLTAGE, \ | |
348 | .id = _pmic##_ID_LDO##_id, \ | |
c1b60873 | 349 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
129eef96 | 350 | .owner = THIS_MODULE, \ |
70b4e786 AL |
351 | .min_uV = (min) * 1000, \ |
352 | .uV_step = (step) * 1000, \ | |
129eef96 | 353 | }, \ |
129eef96 | 354 | .max_uV = (max) * 1000, \ |
129eef96 EM |
355 | .vol_reg = _pmic##_##vreg, \ |
356 | .vol_shift = (shift), \ | |
357 | .vol_nbits = (nbits), \ | |
358 | .enable_reg = _pmic##_##ereg, \ | |
359 | .enable_bit = (ebit), \ | |
360 | } | |
361 | ||
c6db1828 | 362 | #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
fc4f42e7 HZ |
363 | { \ |
364 | .desc = { \ | |
365 | .name = #_id, \ | |
366 | .ops = &da9034_regulator_dvc_ops, \ | |
367 | .type = REGULATOR_VOLTAGE, \ | |
c6db1828 | 368 | .id = _pmic##_ID_##_id, \ |
c1b60873 | 369 | .n_voltages = (step) ? ((max - min) / step + 1) : 1, \ |
fc4f42e7 | 370 | .owner = THIS_MODULE, \ |
70b4e786 AL |
371 | .min_uV = (min) * 1000, \ |
372 | .uV_step = (step) * 1000, \ | |
fc4f42e7 | 373 | }, \ |
fc4f42e7 | 374 | .max_uV = (max) * 1000, \ |
c6db1828 | 375 | .vol_reg = _pmic##_##vreg, \ |
0198d116 HZ |
376 | .vol_shift = (0), \ |
377 | .vol_nbits = (nbits), \ | |
c6db1828 | 378 | .update_reg = _pmic##_##ureg, \ |
0198d116 | 379 | .update_bit = (ubit), \ |
c6db1828 | 380 | .enable_reg = _pmic##_##ereg, \ |
0198d116 HZ |
381 | .enable_bit = (ebit), \ |
382 | } | |
383 | ||
129eef96 EM |
384 | #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ |
385 | DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit) | |
386 | ||
387 | #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ | |
388 | DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit) | |
389 | ||
c6db1828 MR |
390 | #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ |
391 | DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
392 | ereg, ebit) | |
393 | ||
394 | #define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ | |
395 | DA903x_DVC(DA9034, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
396 | ereg, ebit) | |
397 | ||
398 | #define DA9035_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ | |
399 | DA903x_DVC(DA9035, _id, min, max, step, vreg, nbits, ureg, ubit, \ | |
400 | ereg, ebit) | |
401 | ||
129eef96 EM |
402 | static struct da903x_regulator_info da903x_regulator_info[] = { |
403 | /* DA9030 */ | |
fc4f42e7 HZ |
404 | DA9030_DVC(BUCK2, 850, 1625, 25, BUCK2DVM1, 5, BUCK2DVM1, 7, RCTL11, 0), |
405 | ||
129eef96 EM |
406 | DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1), |
407 | DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2), | |
408 | DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3), | |
409 | DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4), | |
410 | DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5), | |
411 | DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6), | |
412 | DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7), | |
413 | DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0), | |
414 | DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1), | |
415 | DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2), | |
416 | DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3), | |
417 | DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4), | |
418 | DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4), | |
419 | DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5), | |
420 | DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6), | |
421 | DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7), | |
422 | DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2), | |
423 | DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1), | |
424 | DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */ | |
425 | ||
426 | /* DA9034 */ | |
e88267e1 HZ |
427 | DA9034_DVC(BUCK1, 725, 1500, 25, ADTV2, 5, VCC1, 0, OVER1, 0), |
428 | DA9034_DVC(BUCK2, 725, 1500, 25, CDTV2, 5, VCC1, 2, OVER1, 1), | |
429 | DA9034_DVC(LDO2, 725, 1500, 25, SDTV2, 5, VCC1, 4, OVER1, 2), | |
129eef96 EM |
430 | DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4), |
431 | ||
432 | DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5), | |
433 | DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6), | |
434 | DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0), | |
435 | DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1), | |
436 | DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2), | |
437 | DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3), | |
438 | DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4), | |
439 | DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5), | |
440 | DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6), | |
441 | DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7), | |
442 | DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0), | |
443 | DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1), | |
444 | DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */ | |
0198d116 HZ |
445 | |
446 | /* DA9035 */ | |
447 | DA9035_DVC(BUCK3, 1800, 2200, 100, 3DTV1, 3, VCC2, 0, OVER3, 3), | |
129eef96 EM |
448 | }; |
449 | ||
450 | static inline struct da903x_regulator_info *find_regulator_info(int id) | |
451 | { | |
452 | struct da903x_regulator_info *ri; | |
453 | int i; | |
454 | ||
455 | for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) { | |
456 | ri = &da903x_regulator_info[i]; | |
457 | if (ri->desc.id == id) | |
458 | return ri; | |
459 | } | |
460 | return NULL; | |
461 | } | |
462 | ||
463 | static int __devinit da903x_regulator_probe(struct platform_device *pdev) | |
464 | { | |
465 | struct da903x_regulator_info *ri = NULL; | |
466 | struct regulator_dev *rdev; | |
c172708d | 467 | struct regulator_config config = { }; |
129eef96 EM |
468 | |
469 | ri = find_regulator_info(pdev->id); | |
470 | if (ri == NULL) { | |
471 | dev_err(&pdev->dev, "invalid regulator ID specified\n"); | |
472 | return -EINVAL; | |
473 | } | |
474 | ||
475 | /* Workaround for the weird LDO12 voltage setting */ | |
c1b60873 | 476 | if (ri->desc.id == DA9034_ID_LDO12) { |
129eef96 | 477 | ri->desc.ops = &da9034_regulator_ldo12_ops; |
9447f35a | 478 | ri->desc.n_voltages = 16; |
c1b60873 | 479 | } |
129eef96 EM |
480 | |
481 | if (ri->desc.id == DA9030_ID_LDO14) | |
482 | ri->desc.ops = &da9030_regulator_ldo14_ops; | |
483 | ||
484 | if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15) | |
485 | ri->desc.ops = &da9030_regulator_ldo1_15_ops; | |
486 | ||
c172708d | 487 | config.dev = &pdev->dev; |
fe53d18d | 488 | config.init_data = pdev->dev.platform_data; |
c172708d MB |
489 | config.driver_data = ri; |
490 | ||
491 | rdev = regulator_register(&ri->desc, &config); | |
129eef96 EM |
492 | if (IS_ERR(rdev)) { |
493 | dev_err(&pdev->dev, "failed to register regulator %s\n", | |
494 | ri->desc.name); | |
495 | return PTR_ERR(rdev); | |
496 | } | |
497 | ||
498 | platform_set_drvdata(pdev, rdev); | |
499 | return 0; | |
500 | } | |
501 | ||
502 | static int __devexit da903x_regulator_remove(struct platform_device *pdev) | |
503 | { | |
504 | struct regulator_dev *rdev = platform_get_drvdata(pdev); | |
505 | ||
506 | regulator_unregister(rdev); | |
507 | return 0; | |
508 | } | |
509 | ||
510 | static struct platform_driver da903x_regulator_driver = { | |
511 | .driver = { | |
512 | .name = "da903x-regulator", | |
513 | .owner = THIS_MODULE, | |
514 | }, | |
515 | .probe = da903x_regulator_probe, | |
5b4662f0 | 516 | .remove = __devexit_p(da903x_regulator_remove), |
129eef96 EM |
517 | }; |
518 | ||
519 | static int __init da903x_regulator_init(void) | |
520 | { | |
521 | return platform_driver_register(&da903x_regulator_driver); | |
522 | } | |
5a1b22be | 523 | subsys_initcall(da903x_regulator_init); |
129eef96 EM |
524 | |
525 | static void __exit da903x_regulator_exit(void) | |
526 | { | |
527 | platform_driver_unregister(&da903x_regulator_driver); | |
528 | } | |
529 | module_exit(da903x_regulator_exit); | |
530 | ||
531 | MODULE_LICENSE("GPL"); | |
532 | MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>" | |
533 | "Mike Rapoport <mike@compulab.co.il>"); | |
534 | MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC"); | |
535 | MODULE_ALIAS("platform:da903x-regulator"); |