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path: root/drivers/regulator/88pm8607.c
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Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c685
1 files changed, 685 insertions, 0 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
new file mode 100644
index 00000000000..04719551381
--- /dev/null
+++ b/drivers/regulator/88pm8607.c
@@ -0,0 +1,685 @@
1/*
2 * Regulators driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
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#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/err.h>
14#include <linux/platform_device.h>
15#include <linux/regulator/driver.h>
16#include <linux/regulator/machine.h>
17#include <linux/mfd/88pm8607.h>
18
19struct pm8607_regulator_info {
20 struct regulator_desc desc;
21 struct pm8607_chip *chip;
22 struct regulator_dev *regulator;
23
24 int min_uV;
25 int max_uV;
26 int step_uV;
27 int vol_reg;
28 int vol_shift;
29 int vol_nbits;
30 int update_reg;
31 int update_bit;
32 int enable_reg;
33 int enable_bit;
34 int slope_double;
35};
36
37static inline int check_range(struct pm8607_regulator_info *info,
38 int min_uV, int max_uV)
39{
40 if (max_uV < info->min_uV || min_uV > info->max_uV || min_uV > max_uV)
41 return -EINVAL;
42
43 return 0;
44}
45
46static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
47{
48 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
49 uint8_t chip_id = info->chip->chip_id;
50 int ret = -EINVAL;
51
52 switch (info->desc.id) {
53 case PM8607_ID_BUCK1:
54 ret = (index < 0x1d) ? (index * 25000 + 800000) :
55 ((index < 0x20) ? 1500000 :
56 ((index < 0x40) ? ((index - 0x20) * 25000) :
57 -EINVAL));
58 break;
59 case PM8607_ID_BUCK3:
60 ret = (index < 0x3d) ? (index * 25000) :
61 ((index < 0x40) ? 1500000 : -EINVAL);
62 if (ret < 0)
63 break;
64 if (info->slope_double)
65 ret <<= 1;
66 break;
67 case PM8607_ID_LDO1:
68 ret = (index == 0) ? 1800000 :
69 ((index == 1) ? 1200000 :
70 ((index == 2) ? 2800000 : -EINVAL));
71 break;
72 case PM8607_ID_LDO5:
73 ret = (index == 0) ? 2900000 :
74 ((index == 1) ? 3000000 :
75 ((index == 2) ? 3100000 : 3300000));
76 break;
77 case PM8607_ID_LDO7:
78 case PM8607_ID_LDO8:
79 ret = (index < 3) ? (index * 50000 + 1800000) :
80 ((index < 8) ? (index * 50000 + 2550000) :
81 -EINVAL);
82 break;
83 case PM8607_ID_LDO12:
84 ret = (index < 2) ? (index * 100000 + 1800000) :
85 ((index < 7) ? (index * 100000 + 2500000) :
86 ((index == 7) ? 3300000 : 1200000));
87 break;
88 case PM8607_ID_LDO2:
89 case PM8607_ID_LDO3:
90 case PM8607_ID_LDO9:
91 switch (chip_id) {
92 case PM8607_CHIP_A0:
93 case PM8607_CHIP_A1:
94 ret = (index < 3) ? (index * 50000 + 1800000) :
95 ((index < 8) ? (index * 50000 + 2550000) :
96 -EINVAL);
97 break;
98 case PM8607_CHIP_B0:
99 ret = (index < 3) ? (index * 50000 + 1800000) :
100 ((index < 7) ? (index * 50000 + 2550000) :
101 3300000);
102 break;
103 }
104 break;
105 case PM8607_ID_LDO4:
106 switch (chip_id) {
107 case PM8607_CHIP_A0:
108 case PM8607_CHIP_A1:
109 ret = (index < 3) ? (index * 50000 + 1800000) :
110 ((index < 8) ? (index * 50000 + 2550000) :
111 -EINVAL);
112 break;
113 case PM8607_CHIP_B0:
114 ret = (index < 3) ? (index * 50000 + 1800000) :
115 ((index < 6) ? (index * 50000 + 2550000) :
116 ((index == 6) ? 2900000 : 3300000));
117 break;
118 }
119 break;
120 case PM8607_ID_LDO6:
121 switch (chip_id) {
122 case PM8607_CHIP_A0:
123 case PM8607_CHIP_A1:
124 ret = (index < 3) ? (index * 50000 + 1800000) :
125 ((index < 8) ? (index * 50000 + 2450000) :
126 -EINVAL);
127 break;
128 case PM8607_CHIP_B0:
129 ret = (index < 2) ? (index * 50000 + 1800000) :
130 ((index < 7) ? (index * 50000 + 2500000) :
131 3300000);
132 break;
133 }
134 break;
135 case PM8607_ID_LDO10:
136 switch (chip_id) {
137 case PM8607_CHIP_A0:
138 case PM8607_CHIP_A1:
139 ret = (index < 3) ? (index * 50000 + 1800000) :
140 ((index < 8) ? (index * 50000 + 2550000) :
141 1200000);
142 break;
143 case PM8607_CHIP_B0:
144 ret = (index < 3) ? (index * 50000 + 1800000) :
145 ((index < 7) ? (index * 50000 + 2550000) :
146 ((index == 7) ? 3300000 : 1200000));
147 break;
148 }
149 break;
150 case PM8607_ID_LDO14:
151 switch (chip_id) {
152 case PM8607_CHIP_A0:
153 case PM8607_CHIP_A1:
154 ret = (index < 3) ? (index * 50000 + 1800000) :
155 ((index < 8) ? (index * 50000 + 2550000) :
156 -EINVAL);
157 break;
158 case PM8607_CHIP_B0:
159 ret = (index < 2) ? (index * 50000 + 1800000) :
160 ((index < 7) ? (index * 50000 + 2600000) :
161 3300000);
162 break;
163 }
164 break;
165 }
166 return ret;
167}
168
169static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
170{
171 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
172 uint8_t chip_id = info->chip->chip_id;
173 int val = -ENOENT;
174 int ret;
175
176 switch (info->desc.id) {
177 case PM8607_ID_BUCK1:
178 if (min_uV >= 800000) /* 800mV ~ 1500mV / 25mV */
179 val = (min_uV - 775001) / 25000;
180 else { /* 25mV ~ 775mV / 25mV */
181 val = (min_uV + 249999) / 25000;
182 val += 32;
183 }
184 break;
185 case PM8607_ID_BUCK3:
186 if (info->slope_double)
187 min_uV = min_uV >> 1;
188 val = (min_uV + 249999) / 25000; /* 0mV ~ 1500mV / 25mV */
189
190 break;
191 case PM8607_ID_LDO1:
192 if (min_uV > 1800000)
193 val = 2;
194 else if (min_uV > 1200000)
195 val = 0;
196 else
197 val = 1;
198 break;
199 case PM8607_ID_LDO5:
200 if (min_uV > 3100000)
201 val = 3;
202 else /* 2900mV ~ 3100mV / 100mV */
203 val = (min_uV - 2800001) / 100000;
204 break;
205 case PM8607_ID_LDO7:
206 case PM8607_ID_LDO8:
207 if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
208 if (min_uV <= 1800000)
209 val = 0; /* 1800mv */
210 else if (min_uV <= 1900000)
211 val = (min_uV - 1750001) / 50000;
212 else
213 val = 3; /* 2700mV */
214 } else { /* 2700mV ~ 2900mV / 50mV */
215 if (min_uV <= 2900000) {
216 val = (min_uV - 2650001) / 50000;
217 val += 3;
218 } else
219 val = -EINVAL;
220 }
221 break;
222 case PM8607_ID_LDO10:
223 if (min_uV > 2850000)
224 val = 7;
225 else if (min_uV <= 1200000)
226 val = 8;
227 else if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
228 val = (min_uV - 1750001) / 50000;
229 else { /* 2700mV ~ 2850mV / 50mV */
230 val = (min_uV - 2650001) / 50000;
231 val += 3;
232 }
233 break;
234 case PM8607_ID_LDO12:
235 if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 100mV */
236 if (min_uV <= 1200000)
237 val = 8; /* 1200mV */
238 else if (min_uV <= 1800000)
239 val = 0; /* 1800mV */
240 else if (min_uV <= 1900000)
241 val = (min_uV - 1700001) / 100000;
242 else
243 val = 2; /* 2700mV */
244 } else { /* 2700mV ~ 3100mV / 100mV */
245 if (min_uV <= 3100000) {
246 val = (min_uV - 2600001) / 100000;
247 val += 2;
248 } else if (min_uV <= 3300000)
249 val = 7;
250 else
251 val = -EINVAL;
252 }
253 break;
254 case PM8607_ID_LDO2:
255 case PM8607_ID_LDO3:
256 case PM8607_ID_LDO9:
257 switch (chip_id) {
258 case PM8607_CHIP_A0:
259 case PM8607_CHIP_A1:
260 if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
261 if (min_uV <= 1800000)
262 val = 0;
263 else if (min_uV <= 1900000)
264 val = (min_uV - 1750001) / 50000;
265 else
266 val = 3; /* 2700mV */
267 else { /* 2700mV ~ 2900mV / 50mV */
268 if (min_uV <= 2900000) {
269 val = (min_uV - 2650001) / 50000;
270 val += 3;
271 } else
272 val = -EINVAL;
273 }
274 break;
275 case PM8607_CHIP_B0:
276 if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
277 if (min_uV <= 1800000)
278 val = 0;
279 else if (min_uV <= 1900000)
280 val = (min_uV - 1750001) / 50000;
281 else
282 val = 3; /* 2700mV */
283 } else { /* 2700mV ~ 2850mV / 50mV */
284 if (min_uV <= 2850000) {
285 val = (min_uV - 2650001) / 50000;
286 val += 3;
287 } else if (min_uV <= 3300000)
288 val = 7;
289 else
290 val = -EINVAL;
291 }
292 break;
293 }
294 break;
295 case PM8607_ID_LDO4:
296 switch (chip_id) {
297 case PM8607_CHIP_A0:
298 case PM8607_CHIP_A1:
299 if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */
300 if (min_uV <= 1800000)
301 val = 0;
302 else if (min_uV <= 1900000)
303 val = (min_uV - 1750001) / 50000;
304 else
305 val = 3; /* 2700mV */
306 else { /* 2700mV ~ 2900mV / 50mV */
307 if (min_uV <= 2900000) {
308 val = (min_uV - 2650001) / 50000;
309 val += 3;
310 } else
311 val = -EINVAL;
312 }
313 break;
314 case PM8607_CHIP_B0:
315 if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
316 if (min_uV <= 1800000)
317 val = 0;
318 else if (min_uV <= 1900000)
319 val = (min_uV - 1750001) / 50000;
320 else
321 val = 3; /* 2700mV */
322 } else { /* 2700mV ~ 2800mV / 50mV */
323 if (min_uV <= 2850000) {
324 val = (min_uV - 2650001) / 50000;
325 val += 3;
326 } else if (min_uV <= 2900000)
327 val = 6;
328 else if (min_uV <= 3300000)
329 val = 7;
330 else
331 val = -EINVAL;
332 }
333 break;
334 }
335 break;
336 case PM8607_ID_LDO6:
337 switch (chip_id) {
338 case PM8607_CHIP_A0:
339 case PM8607_CHIP_A1:
340 if (min_uV < 2600000) { /* 1800mV ~ 1900mV / 50mV */
341 if (min_uV <= 1800000)
342 val = 0;
343 else if (min_uV <= 1900000)
344 val = (min_uV - 1750001) / 50000;
345 else
346 val = 3; /* 2600mV */
347 } else { /* 2600mV ~ 2800mV / 50mV */
348 if (min_uV <= 2800000) {
349 val = (min_uV - 2550001) / 50000;
350 val += 3;
351 } else
352 val = -EINVAL;
353 }
354 break;
355 case PM8607_CHIP_B0:
356 if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */
357 if (min_uV <= 1800000)
358 val = 0;
359 else if (min_uV <= 1850000)
360 val = (min_uV - 1750001) / 50000;
361 else
362 val = 2; /* 2600mV */
363 } else { /* 2600mV ~ 2800mV / 50mV */
364 if (min_uV <= 2800000) {
365 val = (min_uV - 2550001) / 50000;
366 val += 2;
367 } else if (min_uV <= 3300000)
368 val = 7;
369 else
370 val = -EINVAL;
371 }
372 break;
373 }
374 break;
375 case PM8607_ID_LDO14:
376 switch (chip_id) {
377 case PM8607_CHIP_A0:
378 case PM8607_CHIP_A1:
379 if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */
380 if (min_uV <= 1800000)
381 val = 0;
382 else if (min_uV <= 1900000)
383 val = (min_uV - 1750001) / 50000;
384 else
385 val = 3; /* 2700mV */
386 } else { /* 2700mV ~ 2900mV / 50mV */
387 if (min_uV <= 2900000) {
388 val = (min_uV - 2650001) / 50000;
389 val += 3;
390 } else
391 val = -EINVAL;
392 }
393 break;
394 case PM8607_CHIP_B0:
395 if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */
396 if (min_uV <= 1800000)
397 val = 0;
398 else if (min_uV <= 1850000)
399 val = (min_uV - 1750001) / 50000;
400 else
401 val = 2; /* 2700mV */
402 } else { /* 2700mV ~ 2900mV / 50mV */
403 if (min_uV <= 2900000) {
404 val = (min_uV - 2650001) / 50000;
405 val += 2;
406 } else if (min_uV <= 3300000)
407 val = 7;
408 else
409 val = -EINVAL;
410 }
411 break;
412 }
413 break;
414 }
415 if (val >= 0) {
416 ret = pm8607_list_voltage(rdev, val);
417 if (ret > max_uV) {
418 pr_err("exceed voltage range (%d %d) uV",
419 min_uV, max_uV);
420 return -EINVAL;
421 }
422 } else
423 pr_err("invalid voltage range (%d %d) uV", min_uV, max_uV);
424 return val;
425}
426
427static int pm8607_set_voltage(struct regulator_dev *rdev,
428 int min_uV, int max_uV)
429{
430 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
431 struct pm8607_chip *chip = info->chip;
432 uint8_t val, mask;
433 int ret;
434
435 if (check_range(info, min_uV, max_uV)) {
436 pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
437 return -EINVAL;
438 }
439
440 ret = choose_voltage(rdev, min_uV, max_uV);
441 if (ret < 0)
442 return -EINVAL;
443 val = (uint8_t)(ret << info->vol_shift);
444 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
445
446 ret = pm8607_set_bits(chip, info->vol_reg, mask, val);
447 if (ret)
448 return ret;
449 switch (info->desc.id) {
450 case PM8607_ID_BUCK1:
451 case PM8607_ID_BUCK3:
452 ret = pm8607_set_bits(chip, info->update_reg,
453 1 << info->update_bit,
454 1 << info->update_bit);
455 break;
456 }
457 return ret;
458}
459
460static int pm8607_get_voltage(struct regulator_dev *rdev)
461{
462 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
463 struct pm8607_chip *chip = info->chip;
464 uint8_t val, mask;
465 int ret;
466
467 ret = pm8607_reg_read(chip, info->vol_reg);
468 if (ret < 0)
469 return ret;
470
471 mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
472 val = ((unsigned char)ret & mask) >> info->vol_shift;
473
474 return pm8607_list_voltage(rdev, val);
475}
476
477static int pm8607_enable(struct regulator_dev *rdev)
478{
479 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
480 struct pm8607_chip *chip = info->chip;
481
482 return pm8607_set_bits(chip, info->enable_reg,
483 1 << info->enable_bit,
484 1 << info->enable_bit);
485}
486
487static int pm8607_disable(struct regulator_dev *rdev)
488{
489 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
490 struct pm8607_chip *chip = info->chip;
491
492 return pm8607_set_bits(chip, info->enable_reg,
493 1 << info->enable_bit, 0);
494}
495
496static int pm8607_is_enabled(struct regulator_dev *rdev)
497{
498 struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
499 struct pm8607_chip *chip = info->chip;
500 int ret;
501
502 ret = pm8607_reg_read(chip, info->enable_reg);
503 if (ret < 0)
504 return ret;
505
506 return !!((unsigned char)ret & (1 << info->enable_bit));
507}
508
509static struct regulator_ops pm8607_regulator_ops = {
510 .set_voltage = pm8607_set_voltage,
511 .get_voltage = pm8607_get_voltage,
512 .enable = pm8607_enable,
513 .disable = pm8607_disable,
514 .is_enabled = pm8607_is_enabled,
515};
516
517#define PM8607_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \
518{ \
519 .desc = { \
520 .name = "BUCK" #_id, \
521 .ops = &pm8607_regulator_ops, \
522 .type = REGULATOR_VOLTAGE, \
523 .id = PM8607_ID_BUCK##_id, \
524 .owner = THIS_MODULE, \
525 }, \
526 .min_uV = (min) * 1000, \
527 .max_uV = (max) * 1000, \
528 .step_uV = (step) * 1000, \
529 .vol_reg = PM8607_##vreg, \
530 .vol_shift = (0), \
531 .vol_nbits = (nbits), \
532 .update_reg = PM8607_##ureg, \
533 .update_bit = (ubit), \
534 .enable_reg = PM8607_##ereg, \
535 .enable_bit = (ebit), \
536 .slope_double = (0), \
537}
538
539#define PM8607_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \
540{ \
541 .desc = { \
542 .name = "LDO" #_id, \
543 .ops = &pm8607_regulator_ops, \
544 .type = REGULATOR_VOLTAGE, \
545 .id = PM8607_ID_LDO##_id, \
546 .owner = THIS_MODULE, \
547 }, \
548 .min_uV = (min) * 1000, \
549 .max_uV = (max) * 1000, \
550 .step_uV = (step) * 1000, \
551 .vol_reg = PM8607_##vreg, \
552 .vol_shift = (shift), \
553 .vol_nbits = (nbits), \
554 .enable_reg = PM8607_##ereg, \
555 .enable_bit = (ebit), \
556 .slope_double = (0), \
557}
558
559static struct pm8607_regulator_info pm8607_regulator_info[] = {
560 PM8607_DVC(1, 0, 1500, 25, BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
561 PM8607_DVC(3, 0, 1500, 25, BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
562
563 PM8607_LDO(1 , 1200, 2800, 0, LDO1 , 0, 2, SUPPLIES_EN11, 3),
564 PM8607_LDO(2 , 1800, 3300, 0, LDO2 , 0, 3, SUPPLIES_EN11, 4),
565 PM8607_LDO(3 , 1800, 3300, 0, LDO3 , 0, 3, SUPPLIES_EN11, 5),
566 PM8607_LDO(4 , 1800, 3300, 0, LDO4 , 0, 3, SUPPLIES_EN11, 6),
567 PM8607_LDO(5 , 2900, 3300, 0, LDO5 , 0, 2, SUPPLIES_EN11, 7),
568 PM8607_LDO(6 , 1800, 3300, 0, LDO6 , 0, 3, SUPPLIES_EN12, 0),
569 PM8607_LDO(7 , 1800, 2900, 0, LDO7 , 0, 3, SUPPLIES_EN12, 1),
570 PM8607_LDO(8 , 1800, 2900, 0, LDO8 , 0, 3, SUPPLIES_EN12, 2),
571 PM8607_LDO(9 , 1800, 3300, 0, LDO9 , 0, 3, SUPPLIES_EN12, 3),
572 PM8607_LDO(10, 1200, 3300, 0, LDO10, 0, 4, SUPPLIES_EN11, 4),
573 PM8607_LDO(12, 1200, 3300, 0, LDO12, 0, 4, SUPPLIES_EN11, 5),
574 PM8607_LDO(14, 1800, 3300, 0, LDO14, 0, 3, SUPPLIES_EN11, 6),
575};
576
577static inline struct pm8607_regulator_info *find_regulator_info(int id)
578{
579 struct pm8607_regulator_info *info;
580 int i;
581
582 for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
583 info = &pm8607_regulator_info[i];
584 if (info->desc.id == id)
585 return info;
586 }
587 return NULL;
588}
589
590static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
591{
592 struct pm8607_chip *chip = dev_get_drvdata(pdev->dev.parent);
593 struct pm8607_platform_data *pdata = chip->dev->platform_data;
594 struct pm8607_regulator_info *info = NULL;
595
596 info = find_regulator_info(pdev->id);
597 if (info == NULL) {
598 dev_err(&pdev->dev, "invalid regulator ID specified\n");
599 return -EINVAL;
600 }
601
602 info->chip = chip;
603
604 info->regulator = regulator_register(&info->desc, &pdev->dev,
605 pdata->regulator[pdev->id], info);
606 if (IS_ERR(info->regulator)) {
607 dev_err(&pdev->dev, "failed to register regulator %s\n",
608 info->desc.name);
609 return PTR_ERR(info->regulator);
610 }
611
612 /* check DVC ramp slope double */
613 if (info->desc.id == PM8607_ID_BUCK3)
614 if (info->chip->buck3_double)
615 info->slope_double = 1;
616
617 platform_set_drvdata(pdev, info);
618 return 0;
619}
620
621static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
622{
623 struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
624
625 regulator_unregister(info->regulator);
626 return 0;
627}
628
629#define PM8607_REGULATOR_DRIVER(_name) \
630{ \
631 .driver = { \
632 .name = "88pm8607-" #_name, \
633 .owner = THIS_MODULE, \
634 }, \
635 .probe = pm8607_regulator_probe, \
636 .remove = __devexit_p(pm8607_regulator_remove), \
637}
638
639static struct platform_driver pm8607_regulator_driver[] = {
640 PM8607_REGULATOR_DRIVER(buck1),
641 PM8607_REGULATOR_DRIVER(buck2),
642 PM8607_REGULATOR_DRIVER(buck3),
643 PM8607_REGULATOR_DRIVER(ldo1),
644 PM8607_REGULATOR_DRIVER(ldo2),
645 PM8607_REGULATOR_DRIVER(ldo3),
646 PM8607_REGULATOR_DRIVER(ldo4),
647 PM8607_REGULATOR_DRIVER(ldo5),
648 PM8607_REGULATOR_DRIVER(ldo6),
649 PM8607_REGULATOR_DRIVER(ldo7),
650 PM8607_REGULATOR_DRIVER(ldo8),
651 PM8607_REGULATOR_DRIVER(ldo9),
652 PM8607_REGULATOR_DRIVER(ldo10),
653 PM8607_REGULATOR_DRIVER(ldo12),
654 PM8607_REGULATOR_DRIVER(ldo14),
655};
656
657static int __init pm8607_regulator_init(void)
658{
659 int i, count, ret;
660
661 count = ARRAY_SIZE(pm8607_regulator_driver);
662 for (i = 0; i < count; i++) {
663 ret = platform_driver_register(&pm8607_regulator_driver[i]);
664 if (ret != 0)
665 pr_err("Failed to register regulator driver: %d\n",
666 ret);
667 }
668 return 0;
669}
670subsys_initcall(pm8607_regulator_init);
671
672static void __exit pm8607_regulator_exit(void)
673{
674 int i, count;
675
676 count = ARRAY_SIZE(pm8607_regulator_driver);
677 for (i = 0; i < count; i++)
678 platform_driver_unregister(&pm8607_regulator_driver[i]);
679}
680module_exit(pm8607_regulator_exit);
681
682MODULE_LICENSE("GPL");
683MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
684MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
685MODULE_ALIAS("platform:88pm8607-regulator");
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 01:29:08 -0500