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17#include <linux/init.h>
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/err.h>
21#include <linux/platform_device.h>
22#include <linux/mfd/abx500.h>
23#include <linux/mfd/abx500/ab8500.h>
24#include <linux/of.h>
25#include <linux/regulator/of_regulator.h>
26#include <linux/regulator/driver.h>
27#include <linux/regulator/machine.h>
28#include <linux/regulator/ab8500.h>
29#include <linux/slab.h>
30
31
32
33
34
35
36
37struct ab8500_shared_mode {
38 struct ab8500_regulator_info *shared_regulator;
39 bool lp_mode_req;
40};
41
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63
64struct ab8500_regulator_info {
65 struct device *dev;
66 struct regulator_desc desc;
67 struct ab8500_shared_mode *shared_mode;
68 int load_lp_uA;
69 u8 update_bank;
70 u8 update_reg;
71 u8 update_mask;
72 u8 update_val;
73 u8 update_val_idle;
74 u8 update_val_normal;
75 u8 mode_bank;
76 u8 mode_reg;
77 u8 mode_mask;
78 u8 mode_val_idle;
79 u8 mode_val_normal;
80 u8 voltage_bank;
81 u8 voltage_reg;
82 u8 voltage_mask;
83};
84
85
86static const unsigned int ldo_vauxn_voltages[] = {
87 1100000,
88 1200000,
89 1300000,
90 1400000,
91 1500000,
92 1800000,
93 1850000,
94 1900000,
95 2500000,
96 2650000,
97 2700000,
98 2750000,
99 2800000,
100 2900000,
101 3000000,
102 3300000,
103};
104
105static const unsigned int ldo_vaux3_voltages[] = {
106 1200000,
107 1500000,
108 1800000,
109 2100000,
110 2500000,
111 2750000,
112 2790000,
113 2910000,
114};
115
116static const unsigned int ldo_vaux56_voltages[] = {
117 1800000,
118 1050000,
119 1100000,
120 1200000,
121 1500000,
122 2200000,
123 2500000,
124 2790000,
125};
126
127static const unsigned int ldo_vintcore_voltages[] = {
128 1200000,
129 1225000,
130 1250000,
131 1275000,
132 1300000,
133 1325000,
134 1350000,
135};
136
137static const unsigned int fixed_1200000_voltage[] = {
138 1200000,
139};
140
141static const unsigned int fixed_1800000_voltage[] = {
142 1800000,
143};
144
145static const unsigned int fixed_2000000_voltage[] = {
146 2000000,
147};
148
149static const unsigned int fixed_2050000_voltage[] = {
150 2050000,
151};
152
153static const unsigned int ldo_vana_voltages[] = {
154 1050000,
155 1075000,
156 1100000,
157 1125000,
158 1150000,
159 1175000,
160 1200000,
161 1225000,
162};
163
164static const unsigned int ldo_vaudio_voltages[] = {
165 2000000,
166 2100000,
167 2200000,
168 2300000,
169 2400000,
170 2500000,
171 2600000,
172 2600000,
173};
174
175static DEFINE_MUTEX(shared_mode_mutex);
176static struct ab8500_shared_mode ldo_anamic1_shared;
177static struct ab8500_shared_mode ldo_anamic2_shared;
178
179static int ab8500_regulator_enable(struct regulator_dev *rdev)
180{
181 int ret;
182 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
183
184 if (info == NULL) {
185 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
186 return -EINVAL;
187 }
188
189 ret = abx500_mask_and_set_register_interruptible(info->dev,
190 info->update_bank, info->update_reg,
191 info->update_mask, info->update_val);
192 if (ret < 0) {
193 dev_err(rdev_get_dev(rdev),
194 "couldn't set enable bits for regulator\n");
195 return ret;
196 }
197
198 dev_vdbg(rdev_get_dev(rdev),
199 "%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
200 info->desc.name, info->update_bank, info->update_reg,
201 info->update_mask, info->update_val);
202
203 return ret;
204}
205
206static int ab8500_regulator_disable(struct regulator_dev *rdev)
207{
208 int ret;
209 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
210
211 if (info == NULL) {
212 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
213 return -EINVAL;
214 }
215
216 ret = abx500_mask_and_set_register_interruptible(info->dev,
217 info->update_bank, info->update_reg,
218 info->update_mask, 0x0);
219 if (ret < 0) {
220 dev_err(rdev_get_dev(rdev),
221 "couldn't set disable bits for regulator\n");
222 return ret;
223 }
224
225 dev_vdbg(rdev_get_dev(rdev),
226 "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
227 info->desc.name, info->update_bank, info->update_reg,
228 info->update_mask, 0x0);
229
230 return ret;
231}
232
233static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
234{
235 int ret;
236 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
237 u8 regval;
238
239 if (info == NULL) {
240 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
241 return -EINVAL;
242 }
243
244 ret = abx500_get_register_interruptible(info->dev,
245 info->update_bank, info->update_reg, ®val);
246 if (ret < 0) {
247 dev_err(rdev_get_dev(rdev),
248 "couldn't read 0x%x register\n", info->update_reg);
249 return ret;
250 }
251
252 dev_vdbg(rdev_get_dev(rdev),
253 "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
254 " 0x%x\n",
255 info->desc.name, info->update_bank, info->update_reg,
256 info->update_mask, regval);
257
258 if (regval & info->update_mask)
259 return 1;
260 else
261 return 0;
262}
263
264static unsigned int ab8500_regulator_get_optimum_mode(
265 struct regulator_dev *rdev, int input_uV,
266 int output_uV, int load_uA)
267{
268 unsigned int mode;
269
270 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
271
272 if (info == NULL) {
273 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
274 return -EINVAL;
275 }
276
277 if (load_uA <= info->load_lp_uA)
278 mode = REGULATOR_MODE_IDLE;
279 else
280 mode = REGULATOR_MODE_NORMAL;
281
282 return mode;
283}
284
285static int ab8500_regulator_set_mode(struct regulator_dev *rdev,
286 unsigned int mode)
287{
288 int ret = 0;
289 u8 bank, reg, mask, val;
290 bool lp_mode_req = false;
291 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
292
293 if (info == NULL) {
294 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
295 return -EINVAL;
296 }
297
298 if (info->mode_mask) {
299 bank = info->mode_bank;
300 reg = info->mode_reg;
301 mask = info->mode_mask;
302 } else {
303 bank = info->update_bank;
304 reg = info->update_reg;
305 mask = info->update_mask;
306 }
307
308 if (info->shared_mode)
309 mutex_lock(&shared_mode_mutex);
310
311 switch (mode) {
312 case REGULATOR_MODE_NORMAL:
313 if (info->shared_mode)
314 lp_mode_req = false;
315
316 if (info->mode_mask)
317 val = info->mode_val_normal;
318 else
319 val = info->update_val_normal;
320 break;
321 case REGULATOR_MODE_IDLE:
322 if (info->shared_mode) {
323 struct ab8500_regulator_info *shared_regulator;
324
325 shared_regulator = info->shared_mode->shared_regulator;
326 if (!shared_regulator->shared_mode->lp_mode_req) {
327
328 info->shared_mode->lp_mode_req = true;
329 goto out_unlock;
330 }
331
332 lp_mode_req = true;
333 }
334
335 if (info->mode_mask)
336 val = info->mode_val_idle;
337 else
338 val = info->update_val_idle;
339 break;
340 default:
341 ret = -EINVAL;
342 goto out_unlock;
343 }
344
345 if (info->mode_mask || ab8500_regulator_is_enabled(rdev)) {
346 ret = abx500_mask_and_set_register_interruptible(info->dev,
347 bank, reg, mask, val);
348 if (ret < 0) {
349 dev_err(rdev_get_dev(rdev),
350 "couldn't set regulator mode\n");
351 goto out_unlock;
352 }
353
354 dev_vdbg(rdev_get_dev(rdev),
355 "%s-set_mode (bank, reg, mask, value): "
356 "0x%x, 0x%x, 0x%x, 0x%x\n",
357 info->desc.name, bank, reg,
358 mask, val);
359 }
360
361 if (!info->mode_mask)
362 info->update_val = val;
363
364 if (info->shared_mode)
365 info->shared_mode->lp_mode_req = lp_mode_req;
366
367out_unlock:
368 if (info->shared_mode)
369 mutex_unlock(&shared_mode_mutex);
370
371 return ret;
372}
373
374static unsigned int ab8500_regulator_get_mode(struct regulator_dev *rdev)
375{
376 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
377 int ret;
378 u8 val;
379 u8 val_normal;
380 u8 val_idle;
381
382 if (info == NULL) {
383 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
384 return -EINVAL;
385 }
386
387
388 if (info->shared_mode) {
389 if (info->shared_mode->lp_mode_req)
390 return REGULATOR_MODE_IDLE;
391 else
392 return REGULATOR_MODE_NORMAL;
393 }
394
395 if (info->mode_mask) {
396
397 ret = abx500_get_register_interruptible(info->dev,
398 info->mode_bank, info->mode_reg, &val);
399 val = val & info->mode_mask;
400
401 val_normal = info->mode_val_normal;
402 val_idle = info->mode_val_idle;
403 } else {
404
405 val = info->update_val;
406 val_normal = info->update_val_normal;
407 val_idle = info->update_val_idle;
408 }
409
410 if (val == val_normal)
411 ret = REGULATOR_MODE_NORMAL;
412 else if (val == val_idle)
413 ret = REGULATOR_MODE_IDLE;
414 else
415 ret = -EINVAL;
416
417 return ret;
418}
419
420static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
421{
422 int ret, voltage_shift;
423 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
424 u8 regval;
425
426 if (info == NULL) {
427 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
428 return -EINVAL;
429 }
430
431 voltage_shift = ffs(info->voltage_mask) - 1;
432
433 ret = abx500_get_register_interruptible(info->dev,
434 info->voltage_bank, info->voltage_reg, ®val);
435 if (ret < 0) {
436 dev_err(rdev_get_dev(rdev),
437 "couldn't read voltage reg for regulator\n");
438 return ret;
439 }
440
441 dev_vdbg(rdev_get_dev(rdev),
442 "%s-get_voltage (bank, reg, mask, shift, value): "
443 "0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
444 info->desc.name, info->voltage_bank,
445 info->voltage_reg, info->voltage_mask,
446 voltage_shift, regval);
447
448 return (regval & info->voltage_mask) >> voltage_shift;
449}
450
451static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
452 unsigned selector)
453{
454 int ret, voltage_shift;
455 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
456 u8 regval;
457
458 if (info == NULL) {
459 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
460 return -EINVAL;
461 }
462
463 voltage_shift = ffs(info->voltage_mask) - 1;
464
465
466 regval = (u8)selector << voltage_shift;
467 ret = abx500_mask_and_set_register_interruptible(info->dev,
468 info->voltage_bank, info->voltage_reg,
469 info->voltage_mask, regval);
470 if (ret < 0)
471 dev_err(rdev_get_dev(rdev),
472 "couldn't set voltage reg for regulator\n");
473
474 dev_vdbg(rdev_get_dev(rdev),
475 "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
476 " 0x%x\n",
477 info->desc.name, info->voltage_bank, info->voltage_reg,
478 info->voltage_mask, regval);
479
480 return ret;
481}
482
483static const struct regulator_ops ab8500_regulator_volt_mode_ops = {
484 .enable = ab8500_regulator_enable,
485 .disable = ab8500_regulator_disable,
486 .is_enabled = ab8500_regulator_is_enabled,
487 .get_optimum_mode = ab8500_regulator_get_optimum_mode,
488 .set_mode = ab8500_regulator_set_mode,
489 .get_mode = ab8500_regulator_get_mode,
490 .get_voltage_sel = ab8500_regulator_get_voltage_sel,
491 .set_voltage_sel = ab8500_regulator_set_voltage_sel,
492 .list_voltage = regulator_list_voltage_table,
493};
494
495static const struct regulator_ops ab8500_regulator_volt_ops = {
496 .enable = ab8500_regulator_enable,
497 .disable = ab8500_regulator_disable,
498 .is_enabled = ab8500_regulator_is_enabled,
499 .get_voltage_sel = ab8500_regulator_get_voltage_sel,
500 .set_voltage_sel = ab8500_regulator_set_voltage_sel,
501 .list_voltage = regulator_list_voltage_table,
502};
503
504static const struct regulator_ops ab8500_regulator_mode_ops = {
505 .enable = ab8500_regulator_enable,
506 .disable = ab8500_regulator_disable,
507 .is_enabled = ab8500_regulator_is_enabled,
508 .get_optimum_mode = ab8500_regulator_get_optimum_mode,
509 .set_mode = ab8500_regulator_set_mode,
510 .get_mode = ab8500_regulator_get_mode,
511 .list_voltage = regulator_list_voltage_table,
512};
513
514static const struct regulator_ops ab8500_regulator_ops = {
515 .enable = ab8500_regulator_enable,
516 .disable = ab8500_regulator_disable,
517 .is_enabled = ab8500_regulator_is_enabled,
518 .list_voltage = regulator_list_voltage_table,
519};
520
521static const struct regulator_ops ab8500_regulator_anamic_mode_ops = {
522 .enable = ab8500_regulator_enable,
523 .disable = ab8500_regulator_disable,
524 .is_enabled = ab8500_regulator_is_enabled,
525 .set_mode = ab8500_regulator_set_mode,
526 .get_mode = ab8500_regulator_get_mode,
527 .list_voltage = regulator_list_voltage_table,
528};
529
530
531static struct ab8500_regulator_info
532 ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
533
534
535
536
537
538
539 [AB8500_LDO_AUX1] = {
540 .desc = {
541 .name = "LDO-AUX1",
542 .ops = &ab8500_regulator_volt_mode_ops,
543 .type = REGULATOR_VOLTAGE,
544 .id = AB8500_LDO_AUX1,
545 .owner = THIS_MODULE,
546 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
547 .volt_table = ldo_vauxn_voltages,
548 .enable_time = 200,
549 .supply_name = "vin",
550 },
551 .load_lp_uA = 5000,
552 .update_bank = 0x04,
553 .update_reg = 0x09,
554 .update_mask = 0x03,
555 .update_val = 0x01,
556 .update_val_idle = 0x03,
557 .update_val_normal = 0x01,
558 .voltage_bank = 0x04,
559 .voltage_reg = 0x1f,
560 .voltage_mask = 0x0f,
561 },
562 [AB8500_LDO_AUX2] = {
563 .desc = {
564 .name = "LDO-AUX2",
565 .ops = &ab8500_regulator_volt_mode_ops,
566 .type = REGULATOR_VOLTAGE,
567 .id = AB8500_LDO_AUX2,
568 .owner = THIS_MODULE,
569 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
570 .volt_table = ldo_vauxn_voltages,
571 .enable_time = 200,
572 .supply_name = "vin",
573 },
574 .load_lp_uA = 5000,
575 .update_bank = 0x04,
576 .update_reg = 0x09,
577 .update_mask = 0x0c,
578 .update_val = 0x04,
579 .update_val_idle = 0x0c,
580 .update_val_normal = 0x04,
581 .voltage_bank = 0x04,
582 .voltage_reg = 0x20,
583 .voltage_mask = 0x0f,
584 },
585 [AB8500_LDO_AUX3] = {
586 .desc = {
587 .name = "LDO-AUX3",
588 .ops = &ab8500_regulator_volt_mode_ops,
589 .type = REGULATOR_VOLTAGE,
590 .id = AB8500_LDO_AUX3,
591 .owner = THIS_MODULE,
592 .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
593 .volt_table = ldo_vaux3_voltages,
594 .enable_time = 450,
595 .supply_name = "vin",
596 },
597 .load_lp_uA = 5000,
598 .update_bank = 0x04,
599 .update_reg = 0x0a,
600 .update_mask = 0x03,
601 .update_val = 0x01,
602 .update_val_idle = 0x03,
603 .update_val_normal = 0x01,
604 .voltage_bank = 0x04,
605 .voltage_reg = 0x21,
606 .voltage_mask = 0x07,
607 },
608 [AB8500_LDO_INTCORE] = {
609 .desc = {
610 .name = "LDO-INTCORE",
611 .ops = &ab8500_regulator_volt_mode_ops,
612 .type = REGULATOR_VOLTAGE,
613 .id = AB8500_LDO_INTCORE,
614 .owner = THIS_MODULE,
615 .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
616 .volt_table = ldo_vintcore_voltages,
617 .enable_time = 750,
618 },
619 .load_lp_uA = 5000,
620 .update_bank = 0x03,
621 .update_reg = 0x80,
622 .update_mask = 0x44,
623 .update_val = 0x44,
624 .update_val_idle = 0x44,
625 .update_val_normal = 0x04,
626 .voltage_bank = 0x03,
627 .voltage_reg = 0x80,
628 .voltage_mask = 0x38,
629 },
630
631
632
633
634
635
636 [AB8500_LDO_TVOUT] = {
637 .desc = {
638 .name = "LDO-TVOUT",
639 .ops = &ab8500_regulator_mode_ops,
640 .type = REGULATOR_VOLTAGE,
641 .id = AB8500_LDO_TVOUT,
642 .owner = THIS_MODULE,
643 .n_voltages = 1,
644 .volt_table = fixed_2000000_voltage,
645 .enable_time = 500,
646 },
647 .load_lp_uA = 1000,
648 .update_bank = 0x03,
649 .update_reg = 0x80,
650 .update_mask = 0x82,
651 .update_val = 0x02,
652 .update_val_idle = 0x82,
653 .update_val_normal = 0x02,
654 },
655 [AB8500_LDO_AUDIO] = {
656 .desc = {
657 .name = "LDO-AUDIO",
658 .ops = &ab8500_regulator_ops,
659 .type = REGULATOR_VOLTAGE,
660 .id = AB8500_LDO_AUDIO,
661 .owner = THIS_MODULE,
662 .n_voltages = 1,
663 .enable_time = 140,
664 .volt_table = fixed_2000000_voltage,
665 },
666 .update_bank = 0x03,
667 .update_reg = 0x83,
668 .update_mask = 0x02,
669 .update_val = 0x02,
670 },
671 [AB8500_LDO_ANAMIC1] = {
672 .desc = {
673 .name = "LDO-ANAMIC1",
674 .ops = &ab8500_regulator_ops,
675 .type = REGULATOR_VOLTAGE,
676 .id = AB8500_LDO_ANAMIC1,
677 .owner = THIS_MODULE,
678 .n_voltages = 1,
679 .enable_time = 500,
680 .volt_table = fixed_2050000_voltage,
681 },
682 .update_bank = 0x03,
683 .update_reg = 0x83,
684 .update_mask = 0x08,
685 .update_val = 0x08,
686 },
687 [AB8500_LDO_ANAMIC2] = {
688 .desc = {
689 .name = "LDO-ANAMIC2",
690 .ops = &ab8500_regulator_ops,
691 .type = REGULATOR_VOLTAGE,
692 .id = AB8500_LDO_ANAMIC2,
693 .owner = THIS_MODULE,
694 .n_voltages = 1,
695 .enable_time = 500,
696 .volt_table = fixed_2050000_voltage,
697 },
698 .update_bank = 0x03,
699 .update_reg = 0x83,
700 .update_mask = 0x10,
701 .update_val = 0x10,
702 },
703 [AB8500_LDO_DMIC] = {
704 .desc = {
705 .name = "LDO-DMIC",
706 .ops = &ab8500_regulator_ops,
707 .type = REGULATOR_VOLTAGE,
708 .id = AB8500_LDO_DMIC,
709 .owner = THIS_MODULE,
710 .n_voltages = 1,
711 .enable_time = 420,
712 .volt_table = fixed_1800000_voltage,
713 },
714 .update_bank = 0x03,
715 .update_reg = 0x83,
716 .update_mask = 0x04,
717 .update_val = 0x04,
718 },
719
720
721
722
723 [AB8500_LDO_ANA] = {
724 .desc = {
725 .name = "LDO-ANA",
726 .ops = &ab8500_regulator_mode_ops,
727 .type = REGULATOR_VOLTAGE,
728 .id = AB8500_LDO_ANA,
729 .owner = THIS_MODULE,
730 .n_voltages = 1,
731 .enable_time = 140,
732 .volt_table = fixed_1200000_voltage,
733 },
734 .load_lp_uA = 1000,
735 .update_bank = 0x04,
736 .update_reg = 0x06,
737 .update_mask = 0x0c,
738 .update_val = 0x04,
739 .update_val_idle = 0x0c,
740 .update_val_normal = 0x04,
741 },
742};
743
744
745static struct ab8500_regulator_info
746 ab8505_regulator_info[AB8505_NUM_REGULATORS] = {
747
748
749
750
751
752
753 [AB8505_LDO_AUX1] = {
754 .desc = {
755 .name = "LDO-AUX1",
756 .ops = &ab8500_regulator_volt_mode_ops,
757 .type = REGULATOR_VOLTAGE,
758 .id = AB8505_LDO_AUX1,
759 .owner = THIS_MODULE,
760 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
761 .volt_table = ldo_vauxn_voltages,
762 },
763 .load_lp_uA = 5000,
764 .update_bank = 0x04,
765 .update_reg = 0x09,
766 .update_mask = 0x03,
767 .update_val = 0x01,
768 .update_val_idle = 0x03,
769 .update_val_normal = 0x01,
770 .voltage_bank = 0x04,
771 .voltage_reg = 0x1f,
772 .voltage_mask = 0x0f,
773 },
774 [AB8505_LDO_AUX2] = {
775 .desc = {
776 .name = "LDO-AUX2",
777 .ops = &ab8500_regulator_volt_mode_ops,
778 .type = REGULATOR_VOLTAGE,
779 .id = AB8505_LDO_AUX2,
780 .owner = THIS_MODULE,
781 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
782 .volt_table = ldo_vauxn_voltages,
783 },
784 .load_lp_uA = 5000,
785 .update_bank = 0x04,
786 .update_reg = 0x09,
787 .update_mask = 0x0c,
788 .update_val = 0x04,
789 .update_val_idle = 0x0c,
790 .update_val_normal = 0x04,
791 .voltage_bank = 0x04,
792 .voltage_reg = 0x20,
793 .voltage_mask = 0x0f,
794 },
795 [AB8505_LDO_AUX3] = {
796 .desc = {
797 .name = "LDO-AUX3",
798 .ops = &ab8500_regulator_volt_mode_ops,
799 .type = REGULATOR_VOLTAGE,
800 .id = AB8505_LDO_AUX3,
801 .owner = THIS_MODULE,
802 .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
803 .volt_table = ldo_vaux3_voltages,
804 },
805 .load_lp_uA = 5000,
806 .update_bank = 0x04,
807 .update_reg = 0x0a,
808 .update_mask = 0x03,
809 .update_val = 0x01,
810 .update_val_idle = 0x03,
811 .update_val_normal = 0x01,
812 .voltage_bank = 0x04,
813 .voltage_reg = 0x21,
814 .voltage_mask = 0x07,
815 },
816 [AB8505_LDO_AUX4] = {
817 .desc = {
818 .name = "LDO-AUX4",
819 .ops = &ab8500_regulator_volt_mode_ops,
820 .type = REGULATOR_VOLTAGE,
821 .id = AB8505_LDO_AUX4,
822 .owner = THIS_MODULE,
823 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
824 .volt_table = ldo_vauxn_voltages,
825 },
826 .load_lp_uA = 5000,
827
828 .update_bank = 0x04,
829 .update_reg = 0x2e,
830 .update_mask = 0x03,
831 .update_val = 0x01,
832 .update_val_idle = 0x03,
833 .update_val_normal = 0x01,
834
835 .voltage_bank = 0x04,
836 .voltage_reg = 0x2f,
837 .voltage_mask = 0x0f,
838 },
839 [AB8505_LDO_AUX5] = {
840 .desc = {
841 .name = "LDO-AUX5",
842 .ops = &ab8500_regulator_volt_mode_ops,
843 .type = REGULATOR_VOLTAGE,
844 .id = AB8505_LDO_AUX5,
845 .owner = THIS_MODULE,
846 .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
847 .volt_table = ldo_vaux56_voltages,
848 },
849 .load_lp_uA = 2000,
850
851 .update_bank = 0x01,
852 .update_reg = 0x55,
853 .update_mask = 0x18,
854 .update_val = 0x10,
855 .update_val_idle = 0x18,
856 .update_val_normal = 0x10,
857 .voltage_bank = 0x01,
858 .voltage_reg = 0x55,
859 .voltage_mask = 0x07,
860 },
861 [AB8505_LDO_AUX6] = {
862 .desc = {
863 .name = "LDO-AUX6",
864 .ops = &ab8500_regulator_volt_mode_ops,
865 .type = REGULATOR_VOLTAGE,
866 .id = AB8505_LDO_AUX6,
867 .owner = THIS_MODULE,
868 .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
869 .volt_table = ldo_vaux56_voltages,
870 },
871 .load_lp_uA = 2000,
872
873 .update_bank = 0x01,
874 .update_reg = 0x56,
875 .update_mask = 0x18,
876 .update_val = 0x10,
877 .update_val_idle = 0x18,
878 .update_val_normal = 0x10,
879 .voltage_bank = 0x01,
880 .voltage_reg = 0x56,
881 .voltage_mask = 0x07,
882 },
883 [AB8505_LDO_INTCORE] = {
884 .desc = {
885 .name = "LDO-INTCORE",
886 .ops = &ab8500_regulator_volt_mode_ops,
887 .type = REGULATOR_VOLTAGE,
888 .id = AB8505_LDO_INTCORE,
889 .owner = THIS_MODULE,
890 .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
891 .volt_table = ldo_vintcore_voltages,
892 },
893 .load_lp_uA = 5000,
894 .update_bank = 0x03,
895 .update_reg = 0x80,
896 .update_mask = 0x44,
897 .update_val = 0x04,
898 .update_val_idle = 0x44,
899 .update_val_normal = 0x04,
900 .voltage_bank = 0x03,
901 .voltage_reg = 0x80,
902 .voltage_mask = 0x38,
903 },
904
905
906
907
908
909
910 [AB8505_LDO_ADC] = {
911 .desc = {
912 .name = "LDO-ADC",
913 .ops = &ab8500_regulator_mode_ops,
914 .type = REGULATOR_VOLTAGE,
915 .id = AB8505_LDO_ADC,
916 .owner = THIS_MODULE,
917 .n_voltages = 1,
918 .volt_table = fixed_2000000_voltage,
919 .enable_time = 10000,
920 },
921 .load_lp_uA = 1000,
922 .update_bank = 0x03,
923 .update_reg = 0x80,
924 .update_mask = 0x82,
925 .update_val = 0x02,
926 .update_val_idle = 0x82,
927 .update_val_normal = 0x02,
928 },
929 [AB8505_LDO_AUDIO] = {
930 .desc = {
931 .name = "LDO-AUDIO",
932 .ops = &ab8500_regulator_volt_ops,
933 .type = REGULATOR_VOLTAGE,
934 .id = AB8505_LDO_AUDIO,
935 .owner = THIS_MODULE,
936 .n_voltages = ARRAY_SIZE(ldo_vaudio_voltages),
937 .volt_table = ldo_vaudio_voltages,
938 },
939 .update_bank = 0x03,
940 .update_reg = 0x83,
941 .update_mask = 0x02,
942 .update_val = 0x02,
943 .voltage_bank = 0x01,
944 .voltage_reg = 0x57,
945 .voltage_mask = 0x70,
946 },
947 [AB8505_LDO_ANAMIC1] = {
948 .desc = {
949 .name = "LDO-ANAMIC1",
950 .ops = &ab8500_regulator_anamic_mode_ops,
951 .type = REGULATOR_VOLTAGE,
952 .id = AB8505_LDO_ANAMIC1,
953 .owner = THIS_MODULE,
954 .n_voltages = 1,
955 .volt_table = fixed_2050000_voltage,
956 },
957 .shared_mode = &ldo_anamic1_shared,
958 .update_bank = 0x03,
959 .update_reg = 0x83,
960 .update_mask = 0x08,
961 .update_val = 0x08,
962 .mode_bank = 0x01,
963 .mode_reg = 0x54,
964 .mode_mask = 0x04,
965 .mode_val_idle = 0x04,
966 .mode_val_normal = 0x00,
967 },
968 [AB8505_LDO_ANAMIC2] = {
969 .desc = {
970 .name = "LDO-ANAMIC2",
971 .ops = &ab8500_regulator_anamic_mode_ops,
972 .type = REGULATOR_VOLTAGE,
973 .id = AB8505_LDO_ANAMIC2,
974 .owner = THIS_MODULE,
975 .n_voltages = 1,
976 .volt_table = fixed_2050000_voltage,
977 },
978 .shared_mode = &ldo_anamic2_shared,
979 .update_bank = 0x03,
980 .update_reg = 0x83,
981 .update_mask = 0x10,
982 .update_val = 0x10,
983 .mode_bank = 0x01,
984 .mode_reg = 0x54,
985 .mode_mask = 0x04,
986 .mode_val_idle = 0x04,
987 .mode_val_normal = 0x00,
988 },
989 [AB8505_LDO_AUX8] = {
990 .desc = {
991 .name = "LDO-AUX8",
992 .ops = &ab8500_regulator_ops,
993 .type = REGULATOR_VOLTAGE,
994 .id = AB8505_LDO_AUX8,
995 .owner = THIS_MODULE,
996 .n_voltages = 1,
997 .volt_table = fixed_1800000_voltage,
998 },
999 .update_bank = 0x03,
1000 .update_reg = 0x83,
1001 .update_mask = 0x04,
1002 .update_val = 0x04,
1003 },
1004
1005
1006
1007 [AB8505_LDO_ANA] = {
1008 .desc = {
1009 .name = "LDO-ANA",
1010 .ops = &ab8500_regulator_volt_mode_ops,
1011 .type = REGULATOR_VOLTAGE,
1012 .id = AB8505_LDO_ANA,
1013 .owner = THIS_MODULE,
1014 .n_voltages = ARRAY_SIZE(ldo_vana_voltages),
1015 .volt_table = ldo_vana_voltages,
1016 },
1017 .load_lp_uA = 1000,
1018 .update_bank = 0x04,
1019 .update_reg = 0x06,
1020 .update_mask = 0x0c,
1021 .update_val = 0x04,
1022 .update_val_idle = 0x0c,
1023 .update_val_normal = 0x04,
1024 .voltage_bank = 0x04,
1025 .voltage_reg = 0x29,
1026 .voltage_mask = 0x7,
1027 },
1028};
1029
1030static struct ab8500_shared_mode ldo_anamic1_shared = {
1031 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2],
1032};
1033
1034static struct ab8500_shared_mode ldo_anamic2_shared = {
1035 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1],
1036};
1037
1038struct ab8500_reg_init {
1039 u8 bank;
1040 u8 addr;
1041 u8 mask;
1042};
1043
1044#define REG_INIT(_id, _bank, _addr, _mask) \
1045 [_id] = { \
1046 .bank = _bank, \
1047 .addr = _addr, \
1048 .mask = _mask, \
1049 }
1050
1051
1052static struct ab8500_reg_init ab8500_reg_init[] = {
1053
1054
1055
1056
1057 REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xf0),
1058
1059
1060
1061
1062
1063
1064 REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff),
1065
1066
1067
1068
1069 REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1070
1071
1072
1073
1074
1075
1076 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8),
1077
1078
1079
1080
1081
1082 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70),
1083
1084
1085
1086
1087
1088
1089 REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8),
1090
1091
1092
1093
1094
1095 REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07),
1096
1097
1098
1099
1100
1101
1102 REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8),
1103
1104
1105
1106
1107
1108 REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07),
1109
1110
1111
1112
1113 REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0),
1114
1115
1116
1117
1118
1119
1120
1121 REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f),
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131 REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe),
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141 REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe),
1142
1143
1144
1145
1146
1147
1148
1149 REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe),
1150
1151
1152
1153
1154
1155
1156 REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1157
1158
1159
1160
1161 REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1162
1163
1164
1165
1166 REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1167
1168
1169
1170
1171 REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03),
1172
1173
1174
1175
1176
1177
1178
1179 REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1180
1181
1182
1183
1184 REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f),
1185
1186
1187
1188 REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03),
1189
1190
1191
1192 REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f),
1193
1194
1195
1196 REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f),
1197
1198
1199
1200 REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07),
1201
1202
1203
1204 REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01),
1205
1206
1207
1208
1209
1210
1211
1212
1213 REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1214
1215
1216
1217
1218
1219 REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1220};
1221
1222
1223static struct ab8500_reg_init ab8505_reg_init[] = {
1224
1225
1226
1227
1228
1229
1230 REG_INIT(AB8505_REGUREQUESTCTRL1, 0x03, 0x03, 0xff),
1231
1232
1233
1234
1235
1236 REG_INIT(AB8505_REGUREQUESTCTRL2, 0x03, 0x04, 0x3f),
1237
1238
1239
1240
1241 REG_INIT(AB8505_REGUREQUESTCTRL3, 0x03, 0x05, 0xf0),
1242
1243
1244
1245
1246 REG_INIT(AB8505_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff),
1258
1259
1260
1261
1262
1263
1264 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x0f),
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275 REG_INIT(AB8505_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff),
1276
1277
1278
1279 REG_INIT(AB8505_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x08),
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290 REG_INIT(AB8505_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff),
1291
1292
1293
1294 REG_INIT(AB8505_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x08),
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305 REG_INIT(AB8505_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff),
1306
1307
1308
1309
1310
1311 REG_INIT(AB8505_REGUSWHPREQVALID2, 0x03, 0x0e, 0x23),
1312
1313
1314
1315
1316
1317 REG_INIT(AB8505_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0x0e),
1318
1319
1320
1321
1322
1323 REG_INIT(AB8505_REGUSYSCLKREQVALID2, 0x03, 0x10, 0x0e),
1324
1325
1326
1327
1328
1329
1330 REG_INIT(AB8505_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f),
1331
1332
1333
1334
1335
1336
1337
1338 REG_INIT(AB8505_REGUMISC1, 0x03, 0x80, 0xfe),
1339
1340
1341
1342
1343
1344
1345 REG_INIT(AB8505_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1346
1347
1348
1349
1350 REG_INIT(AB8505_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1351
1352
1353
1354
1355
1356
1357 REG_INIT(AB8505_VSMPSAREGU, 0x04, 0x03, 0x3f),
1358
1359
1360
1361
1362
1363
1364 REG_INIT(AB8505_VSMPSBREGU, 0x04, 0x04, 0x3f),
1365
1366
1367
1368
1369
1370
1371 REG_INIT(AB8505_VSAFEREGU, 0x04, 0x05, 0x3f),
1372
1373
1374
1375
1376 REG_INIT(AB8505_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1377
1378
1379
1380
1381
1382
1383
1384 REG_INIT(AB8505_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1385
1386
1387
1388
1389 REG_INIT(AB8505_VAUX12REGU, 0x04, 0x09, 0x0f),
1390
1391
1392
1393 REG_INIT(AB8505_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f),
1394
1395
1396
1397 REG_INIT(AB8505_VSMPSASEL1, 0x04, 0x13, 0x3f),
1398
1399
1400
1401 REG_INIT(AB8505_VSMPSASEL2, 0x04, 0x14, 0x3f),
1402
1403
1404
1405 REG_INIT(AB8505_VSMPSASEL3, 0x04, 0x15, 0x3f),
1406
1407
1408
1409 REG_INIT(AB8505_VSMPSBSEL1, 0x04, 0x17, 0x3f),
1410
1411
1412
1413 REG_INIT(AB8505_VSMPSBSEL2, 0x04, 0x18, 0x3f),
1414
1415
1416
1417 REG_INIT(AB8505_VSMPSBSEL3, 0x04, 0x19, 0x3f),
1418
1419
1420
1421 REG_INIT(AB8505_VSAFESEL1, 0x04, 0x1b, 0x7f),
1422
1423
1424
1425 REG_INIT(AB8505_VSAFESEL2, 0x04, 0x1c, 0x7f),
1426
1427
1428
1429 REG_INIT(AB8505_VSAFESEL3, 0x04, 0x1d, 0x7f),
1430
1431
1432
1433 REG_INIT(AB8505_VAUX1SEL, 0x04, 0x1f, 0x0f),
1434
1435
1436
1437 REG_INIT(AB8505_VAUX2SEL, 0x04, 0x20, 0x0f),
1438
1439
1440
1441
1442 REG_INIT(AB8505_VRF1VAUX3SEL, 0x04, 0x21, 0x37),
1443
1444
1445
1446 REG_INIT(AB8505_VAUX4REQCTRL, 0x04, 0x2d, 0x03),
1447
1448
1449
1450 REG_INIT(AB8505_VAUX4REGU, 0x04, 0x2e, 0x03),
1451
1452
1453
1454 REG_INIT(AB8505_VAUX4SEL, 0x04, 0x2f, 0x0f),
1455
1456
1457
1458
1459
1460
1461
1462
1463 REG_INIT(AB8505_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1464
1465
1466
1467
1468
1469 REG_INIT(AB8505_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1470
1471
1472
1473 REG_INIT(AB8505_REGUCTRLDISCH3, 0x04, 0x48, 0x01),
1474
1475
1476
1477
1478
1479
1480
1481
1482 REG_INIT(AB8505_CTRLVAUX5, 0x01, 0x55, 0xff),
1483
1484
1485
1486
1487
1488
1489 REG_INIT(AB8505_CTRLVAUX6, 0x01, 0x56, 0x9f),
1490};
1491
1492static struct of_regulator_match ab8500_regulator_match[] = {
1493 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, },
1494 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, },
1495 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8500_LDO_AUX3, },
1496 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
1497 { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8500_LDO_TVOUT, },
1498 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8500_LDO_AUDIO, },
1499 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
1500 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
1501 { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8500_LDO_DMIC, },
1502 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8500_LDO_ANA, },
1503};
1504
1505static struct of_regulator_match ab8505_regulator_match[] = {
1506 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8505_LDO_AUX1, },
1507 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8505_LDO_AUX2, },
1508 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8505_LDO_AUX3, },
1509 { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB8505_LDO_AUX4, },
1510 { .name = "ab8500_ldo_aux5", .driver_data = (void *) AB8505_LDO_AUX5, },
1511 { .name = "ab8500_ldo_aux6", .driver_data = (void *) AB8505_LDO_AUX6, },
1512 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8505_LDO_INTCORE, },
1513 { .name = "ab8500_ldo_adc", .driver_data = (void *) AB8505_LDO_ADC, },
1514 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8505_LDO_AUDIO, },
1515 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8505_LDO_ANAMIC1, },
1516 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8505_LDO_ANAMIC2, },
1517 { .name = "ab8500_ldo_aux8", .driver_data = (void *) AB8505_LDO_AUX8, },
1518 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8505_LDO_ANA, },
1519};
1520
1521static struct {
1522 struct ab8500_regulator_info *info;
1523 int info_size;
1524 struct ab8500_reg_init *init;
1525 int init_size;
1526 struct of_regulator_match *match;
1527 int match_size;
1528} abx500_regulator;
1529
1530static void abx500_get_regulator_info(struct ab8500 *ab8500)
1531{
1532 if (is_ab8505(ab8500)) {
1533 abx500_regulator.info = ab8505_regulator_info;
1534 abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info);
1535 abx500_regulator.init = ab8505_reg_init;
1536 abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS;
1537 abx500_regulator.match = ab8505_regulator_match;
1538 abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match);
1539 } else {
1540 abx500_regulator.info = ab8500_regulator_info;
1541 abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info);
1542 abx500_regulator.init = ab8500_reg_init;
1543 abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS;
1544 abx500_regulator.match = ab8500_regulator_match;
1545 abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match);
1546 }
1547}
1548
1549static int ab8500_regulator_register(struct platform_device *pdev,
1550 struct regulator_init_data *init_data,
1551 int id, struct device_node *np)
1552{
1553 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1554 struct ab8500_regulator_info *info = NULL;
1555 struct regulator_config config = { };
1556 struct regulator_dev *rdev;
1557
1558
1559 info = &abx500_regulator.info[id];
1560 info->dev = &pdev->dev;
1561
1562 config.dev = &pdev->dev;
1563 config.init_data = init_data;
1564 config.driver_data = info;
1565 config.of_node = np;
1566
1567
1568 if (is_ab8500_1p1_or_earlier(ab8500)) {
1569 if (info->desc.id == AB8500_LDO_AUX3) {
1570 info->desc.n_voltages =
1571 ARRAY_SIZE(ldo_vauxn_voltages);
1572 info->desc.volt_table = ldo_vauxn_voltages;
1573 info->voltage_mask = 0xf;
1574 }
1575 }
1576
1577
1578 rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
1579 if (IS_ERR(rdev)) {
1580 dev_err(&pdev->dev, "failed to register regulator %s\n",
1581 info->desc.name);
1582 return PTR_ERR(rdev);
1583 }
1584
1585 return 0;
1586}
1587
1588static int ab8500_regulator_probe(struct platform_device *pdev)
1589{
1590 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1591 struct device_node *np = pdev->dev.of_node;
1592 struct of_regulator_match *match;
1593 int err, i;
1594
1595 if (!ab8500) {
1596 dev_err(&pdev->dev, "null mfd parent\n");
1597 return -EINVAL;
1598 }
1599
1600 abx500_get_regulator_info(ab8500);
1601
1602 err = of_regulator_match(&pdev->dev, np,
1603 abx500_regulator.match,
1604 abx500_regulator.match_size);
1605 if (err < 0) {
1606 dev_err(&pdev->dev,
1607 "Error parsing regulator init data: %d\n", err);
1608 return err;
1609 }
1610
1611 match = abx500_regulator.match;
1612 for (i = 0; i < abx500_regulator.info_size; i++) {
1613 err = ab8500_regulator_register(pdev, match[i].init_data, i,
1614 match[i].of_node);
1615 if (err)
1616 return err;
1617 }
1618
1619 return 0;
1620}
1621
1622static struct platform_driver ab8500_regulator_driver = {
1623 .probe = ab8500_regulator_probe,
1624 .driver = {
1625 .name = "ab8500-regulator",
1626 },
1627};
1628
1629static int __init ab8500_regulator_init(void)
1630{
1631 int ret;
1632
1633 ret = platform_driver_register(&ab8500_regulator_driver);
1634 if (ret != 0)
1635 pr_err("Failed to register ab8500 regulator: %d\n", ret);
1636
1637 return ret;
1638}
1639subsys_initcall(ab8500_regulator_init);
1640
1641static void __exit ab8500_regulator_exit(void)
1642{
1643 platform_driver_unregister(&ab8500_regulator_driver);
1644}
1645module_exit(ab8500_regulator_exit);
1646
1647MODULE_LICENSE("GPL v2");
1648MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
1649MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
1650MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>");
1651MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
1652MODULE_ALIAS("platform:ab8500-regulator");
1653
