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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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62
63struct ab8500_regulator_info {
64 struct device *dev;
65 struct regulator_desc desc;
66 struct ab8500_shared_mode *shared_mode;
67 int load_lp_uA;
68 u8 update_bank;
69 u8 update_reg;
70 u8 update_mask;
71 u8 update_val;
72 u8 update_val_idle;
73 u8 update_val_normal;
74 u8 mode_bank;
75 u8 mode_reg;
76 u8 mode_mask;
77 u8 mode_val_idle;
78 u8 mode_val_normal;
79 u8 voltage_bank;
80 u8 voltage_reg;
81 u8 voltage_mask;
82 struct {
83 u8 voltage_limit;
84 u8 voltage_bank;
85 u8 voltage_reg;
86 u8 voltage_mask;
87 } expand_register;
88};
89
90
91static const unsigned int ldo_vauxn_voltages[] = {
92 1100000,
93 1200000,
94 1300000,
95 1400000,
96 1500000,
97 1800000,
98 1850000,
99 1900000,
100 2500000,
101 2650000,
102 2700000,
103 2750000,
104 2800000,
105 2900000,
106 3000000,
107 3300000,
108};
109
110static const unsigned int ldo_vaux3_voltages[] = {
111 1200000,
112 1500000,
113 1800000,
114 2100000,
115 2500000,
116 2750000,
117 2790000,
118 2910000,
119};
120
121static const unsigned int ldo_vaux56_voltages[] = {
122 1800000,
123 1050000,
124 1100000,
125 1200000,
126 1500000,
127 2200000,
128 2500000,
129 2790000,
130};
131
132static const unsigned int ldo_vintcore_voltages[] = {
133 1200000,
134 1225000,
135 1250000,
136 1275000,
137 1300000,
138 1325000,
139 1350000,
140};
141
142static const unsigned int ldo_sdio_voltages[] = {
143 1160000,
144 1050000,
145 1100000,
146 1500000,
147 1800000,
148 2200000,
149 2910000,
150 3050000,
151};
152
153static const unsigned int fixed_1200000_voltage[] = {
154 1200000,
155};
156
157static const unsigned int fixed_1800000_voltage[] = {
158 1800000,
159};
160
161static const unsigned int fixed_2000000_voltage[] = {
162 2000000,
163};
164
165static const unsigned int fixed_2050000_voltage[] = {
166 2050000,
167};
168
169static const unsigned int fixed_3300000_voltage[] = {
170 3300000,
171};
172
173static const unsigned int ldo_vana_voltages[] = {
174 1050000,
175 1075000,
176 1100000,
177 1125000,
178 1150000,
179 1175000,
180 1200000,
181 1225000,
182};
183
184static const unsigned int ldo_vaudio_voltages[] = {
185 2000000,
186 2100000,
187 2200000,
188 2300000,
189 2400000,
190 2500000,
191 2600000,
192 2600000,
193};
194
195static const unsigned int ldo_vdmic_voltages[] = {
196 1800000,
197 1900000,
198 2000000,
199 2850000,
200};
201
202static DEFINE_MUTEX(shared_mode_mutex);
203static struct ab8500_shared_mode ldo_anamic1_shared;
204static struct ab8500_shared_mode ldo_anamic2_shared;
205
206static int ab8500_regulator_enable(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, info->update_val);
219 if (ret < 0) {
220 dev_err(rdev_get_dev(rdev),
221 "couldn't set enable bits for regulator\n");
222 return ret;
223 }
224
225 dev_vdbg(rdev_get_dev(rdev),
226 "%s-enable (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, info->update_val);
229
230 return ret;
231}
232
233static int ab8500_regulator_disable(struct regulator_dev *rdev)
234{
235 int ret;
236 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
237
238 if (info == NULL) {
239 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
240 return -EINVAL;
241 }
242
243 ret = abx500_mask_and_set_register_interruptible(info->dev,
244 info->update_bank, info->update_reg,
245 info->update_mask, 0x0);
246 if (ret < 0) {
247 dev_err(rdev_get_dev(rdev),
248 "couldn't set disable bits for regulator\n");
249 return ret;
250 }
251
252 dev_vdbg(rdev_get_dev(rdev),
253 "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
254 info->desc.name, info->update_bank, info->update_reg,
255 info->update_mask, 0x0);
256
257 return ret;
258}
259
260static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
261{
262 int ret;
263 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
264 u8 regval;
265
266 if (info == NULL) {
267 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
268 return -EINVAL;
269 }
270
271 ret = abx500_get_register_interruptible(info->dev,
272 info->update_bank, info->update_reg, ®val);
273 if (ret < 0) {
274 dev_err(rdev_get_dev(rdev),
275 "couldn't read 0x%x register\n", info->update_reg);
276 return ret;
277 }
278
279 dev_vdbg(rdev_get_dev(rdev),
280 "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
281 " 0x%x\n",
282 info->desc.name, info->update_bank, info->update_reg,
283 info->update_mask, regval);
284
285 if (regval & info->update_mask)
286 return 1;
287 else
288 return 0;
289}
290
291static unsigned int ab8500_regulator_get_optimum_mode(
292 struct regulator_dev *rdev, int input_uV,
293 int output_uV, int load_uA)
294{
295 unsigned int mode;
296
297 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
298
299 if (info == NULL) {
300 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
301 return -EINVAL;
302 }
303
304 if (load_uA <= info->load_lp_uA)
305 mode = REGULATOR_MODE_IDLE;
306 else
307 mode = REGULATOR_MODE_NORMAL;
308
309 return mode;
310}
311
312static int ab8500_regulator_set_mode(struct regulator_dev *rdev,
313 unsigned int mode)
314{
315 int ret = 0;
316 u8 bank, reg, mask, val;
317 bool lp_mode_req = false;
318 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
319
320 if (info == NULL) {
321 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
322 return -EINVAL;
323 }
324
325 if (info->mode_mask) {
326 bank = info->mode_bank;
327 reg = info->mode_reg;
328 mask = info->mode_mask;
329 } else {
330 bank = info->update_bank;
331 reg = info->update_reg;
332 mask = info->update_mask;
333 }
334
335 if (info->shared_mode)
336 mutex_lock(&shared_mode_mutex);
337
338 switch (mode) {
339 case REGULATOR_MODE_NORMAL:
340 if (info->shared_mode)
341 lp_mode_req = false;
342
343 if (info->mode_mask)
344 val = info->mode_val_normal;
345 else
346 val = info->update_val_normal;
347 break;
348 case REGULATOR_MODE_IDLE:
349 if (info->shared_mode) {
350 struct ab8500_regulator_info *shared_regulator;
351
352 shared_regulator = info->shared_mode->shared_regulator;
353 if (!shared_regulator->shared_mode->lp_mode_req) {
354
355 info->shared_mode->lp_mode_req = true;
356 goto out_unlock;
357 }
358
359 lp_mode_req = true;
360 }
361
362 if (info->mode_mask)
363 val = info->mode_val_idle;
364 else
365 val = info->update_val_idle;
366 break;
367 default:
368 ret = -EINVAL;
369 goto out_unlock;
370 }
371
372 if (info->mode_mask || ab8500_regulator_is_enabled(rdev)) {
373 ret = abx500_mask_and_set_register_interruptible(info->dev,
374 bank, reg, mask, val);
375 if (ret < 0) {
376 dev_err(rdev_get_dev(rdev),
377 "couldn't set regulator mode\n");
378 goto out_unlock;
379 }
380
381 dev_vdbg(rdev_get_dev(rdev),
382 "%s-set_mode (bank, reg, mask, value): "
383 "0x%x, 0x%x, 0x%x, 0x%x\n",
384 info->desc.name, bank, reg,
385 mask, val);
386 }
387
388 if (!info->mode_mask)
389 info->update_val = val;
390
391 if (info->shared_mode)
392 info->shared_mode->lp_mode_req = lp_mode_req;
393
394out_unlock:
395 if (info->shared_mode)
396 mutex_unlock(&shared_mode_mutex);
397
398 return ret;
399}
400
401static unsigned int ab8500_regulator_get_mode(struct regulator_dev *rdev)
402{
403 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
404 int ret;
405 u8 val;
406 u8 val_normal;
407 u8 val_idle;
408
409 if (info == NULL) {
410 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
411 return -EINVAL;
412 }
413
414
415 if (info->shared_mode) {
416 if (info->shared_mode->lp_mode_req)
417 return REGULATOR_MODE_IDLE;
418 else
419 return REGULATOR_MODE_NORMAL;
420 }
421
422 if (info->mode_mask) {
423
424 ret = abx500_get_register_interruptible(info->dev,
425 info->mode_bank, info->mode_reg, &val);
426 val = val & info->mode_mask;
427
428 val_normal = info->mode_val_normal;
429 val_idle = info->mode_val_idle;
430 } else {
431
432 val = info->update_val;
433 val_normal = info->update_val_normal;
434 val_idle = info->update_val_idle;
435 }
436
437 if (val == val_normal)
438 ret = REGULATOR_MODE_NORMAL;
439 else if (val == val_idle)
440 ret = REGULATOR_MODE_IDLE;
441 else
442 ret = -EINVAL;
443
444 return ret;
445}
446
447static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
448{
449 int ret, voltage_shift;
450 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
451 u8 regval;
452
453 if (info == NULL) {
454 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
455 return -EINVAL;
456 }
457
458 voltage_shift = ffs(info->voltage_mask) - 1;
459
460 ret = abx500_get_register_interruptible(info->dev,
461 info->voltage_bank, info->voltage_reg, ®val);
462 if (ret < 0) {
463 dev_err(rdev_get_dev(rdev),
464 "couldn't read voltage reg for regulator\n");
465 return ret;
466 }
467
468 dev_vdbg(rdev_get_dev(rdev),
469 "%s-get_voltage (bank, reg, mask, shift, value): "
470 "0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
471 info->desc.name, info->voltage_bank,
472 info->voltage_reg, info->voltage_mask,
473 voltage_shift, regval);
474
475 return (regval & info->voltage_mask) >> voltage_shift;
476}
477
478static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
479 unsigned selector)
480{
481 int ret, voltage_shift;
482 struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
483 u8 regval;
484
485 if (info == NULL) {
486 dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
487 return -EINVAL;
488 }
489
490 voltage_shift = ffs(info->voltage_mask) - 1;
491
492
493 regval = (u8)selector << voltage_shift;
494 ret = abx500_mask_and_set_register_interruptible(info->dev,
495 info->voltage_bank, info->voltage_reg,
496 info->voltage_mask, regval);
497 if (ret < 0)
498 dev_err(rdev_get_dev(rdev),
499 "couldn't set voltage reg for regulator\n");
500
501 dev_vdbg(rdev_get_dev(rdev),
502 "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
503 " 0x%x\n",
504 info->desc.name, info->voltage_bank, info->voltage_reg,
505 info->voltage_mask, regval);
506
507 return ret;
508}
509
510static const struct regulator_ops ab8500_regulator_volt_mode_ops = {
511 .enable = ab8500_regulator_enable,
512 .disable = ab8500_regulator_disable,
513 .is_enabled = ab8500_regulator_is_enabled,
514 .get_optimum_mode = ab8500_regulator_get_optimum_mode,
515 .set_mode = ab8500_regulator_set_mode,
516 .get_mode = ab8500_regulator_get_mode,
517 .get_voltage_sel = ab8500_regulator_get_voltage_sel,
518 .set_voltage_sel = ab8500_regulator_set_voltage_sel,
519 .list_voltage = regulator_list_voltage_table,
520};
521
522static const struct regulator_ops ab8500_regulator_volt_ops = {
523 .enable = ab8500_regulator_enable,
524 .disable = ab8500_regulator_disable,
525 .is_enabled = ab8500_regulator_is_enabled,
526 .get_voltage_sel = ab8500_regulator_get_voltage_sel,
527 .set_voltage_sel = ab8500_regulator_set_voltage_sel,
528 .list_voltage = regulator_list_voltage_table,
529};
530
531static const struct regulator_ops ab8500_regulator_mode_ops = {
532 .enable = ab8500_regulator_enable,
533 .disable = ab8500_regulator_disable,
534 .is_enabled = ab8500_regulator_is_enabled,
535 .get_optimum_mode = ab8500_regulator_get_optimum_mode,
536 .set_mode = ab8500_regulator_set_mode,
537 .get_mode = ab8500_regulator_get_mode,
538 .list_voltage = regulator_list_voltage_table,
539};
540
541static const struct regulator_ops ab8500_regulator_ops = {
542 .enable = ab8500_regulator_enable,
543 .disable = ab8500_regulator_disable,
544 .is_enabled = ab8500_regulator_is_enabled,
545 .list_voltage = regulator_list_voltage_table,
546};
547
548static const struct regulator_ops ab8500_regulator_anamic_mode_ops = {
549 .enable = ab8500_regulator_enable,
550 .disable = ab8500_regulator_disable,
551 .is_enabled = ab8500_regulator_is_enabled,
552 .set_mode = ab8500_regulator_set_mode,
553 .get_mode = ab8500_regulator_get_mode,
554 .list_voltage = regulator_list_voltage_table,
555};
556
557
558static struct ab8500_regulator_info
559 ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
560
561
562
563
564
565
566 [AB8500_LDO_AUX1] = {
567 .desc = {
568 .name = "LDO-AUX1",
569 .ops = &ab8500_regulator_volt_mode_ops,
570 .type = REGULATOR_VOLTAGE,
571 .id = AB8500_LDO_AUX1,
572 .owner = THIS_MODULE,
573 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
574 .volt_table = ldo_vauxn_voltages,
575 .enable_time = 200,
576 .supply_name = "vin",
577 },
578 .load_lp_uA = 5000,
579 .update_bank = 0x04,
580 .update_reg = 0x09,
581 .update_mask = 0x03,
582 .update_val = 0x01,
583 .update_val_idle = 0x03,
584 .update_val_normal = 0x01,
585 .voltage_bank = 0x04,
586 .voltage_reg = 0x1f,
587 .voltage_mask = 0x0f,
588 },
589 [AB8500_LDO_AUX2] = {
590 .desc = {
591 .name = "LDO-AUX2",
592 .ops = &ab8500_regulator_volt_mode_ops,
593 .type = REGULATOR_VOLTAGE,
594 .id = AB8500_LDO_AUX2,
595 .owner = THIS_MODULE,
596 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
597 .volt_table = ldo_vauxn_voltages,
598 .enable_time = 200,
599 .supply_name = "vin",
600 },
601 .load_lp_uA = 5000,
602 .update_bank = 0x04,
603 .update_reg = 0x09,
604 .update_mask = 0x0c,
605 .update_val = 0x04,
606 .update_val_idle = 0x0c,
607 .update_val_normal = 0x04,
608 .voltage_bank = 0x04,
609 .voltage_reg = 0x20,
610 .voltage_mask = 0x0f,
611 },
612 [AB8500_LDO_AUX3] = {
613 .desc = {
614 .name = "LDO-AUX3",
615 .ops = &ab8500_regulator_volt_mode_ops,
616 .type = REGULATOR_VOLTAGE,
617 .id = AB8500_LDO_AUX3,
618 .owner = THIS_MODULE,
619 .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
620 .volt_table = ldo_vaux3_voltages,
621 .enable_time = 450,
622 .supply_name = "vin",
623 },
624 .load_lp_uA = 5000,
625 .update_bank = 0x04,
626 .update_reg = 0x0a,
627 .update_mask = 0x03,
628 .update_val = 0x01,
629 .update_val_idle = 0x03,
630 .update_val_normal = 0x01,
631 .voltage_bank = 0x04,
632 .voltage_reg = 0x21,
633 .voltage_mask = 0x07,
634 },
635 [AB8500_LDO_INTCORE] = {
636 .desc = {
637 .name = "LDO-INTCORE",
638 .ops = &ab8500_regulator_volt_mode_ops,
639 .type = REGULATOR_VOLTAGE,
640 .id = AB8500_LDO_INTCORE,
641 .owner = THIS_MODULE,
642 .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
643 .volt_table = ldo_vintcore_voltages,
644 .enable_time = 750,
645 },
646 .load_lp_uA = 5000,
647 .update_bank = 0x03,
648 .update_reg = 0x80,
649 .update_mask = 0x44,
650 .update_val = 0x44,
651 .update_val_idle = 0x44,
652 .update_val_normal = 0x04,
653 .voltage_bank = 0x03,
654 .voltage_reg = 0x80,
655 .voltage_mask = 0x38,
656 },
657
658
659
660
661
662
663 [AB8500_LDO_TVOUT] = {
664 .desc = {
665 .name = "LDO-TVOUT",
666 .ops = &ab8500_regulator_mode_ops,
667 .type = REGULATOR_VOLTAGE,
668 .id = AB8500_LDO_TVOUT,
669 .owner = THIS_MODULE,
670 .n_voltages = 1,
671 .volt_table = fixed_2000000_voltage,
672 .enable_time = 500,
673 },
674 .load_lp_uA = 1000,
675 .update_bank = 0x03,
676 .update_reg = 0x80,
677 .update_mask = 0x82,
678 .update_val = 0x02,
679 .update_val_idle = 0x82,
680 .update_val_normal = 0x02,
681 },
682 [AB8500_LDO_AUDIO] = {
683 .desc = {
684 .name = "LDO-AUDIO",
685 .ops = &ab8500_regulator_ops,
686 .type = REGULATOR_VOLTAGE,
687 .id = AB8500_LDO_AUDIO,
688 .owner = THIS_MODULE,
689 .n_voltages = 1,
690 .enable_time = 140,
691 .volt_table = fixed_2000000_voltage,
692 },
693 .update_bank = 0x03,
694 .update_reg = 0x83,
695 .update_mask = 0x02,
696 .update_val = 0x02,
697 },
698 [AB8500_LDO_ANAMIC1] = {
699 .desc = {
700 .name = "LDO-ANAMIC1",
701 .ops = &ab8500_regulator_ops,
702 .type = REGULATOR_VOLTAGE,
703 .id = AB8500_LDO_ANAMIC1,
704 .owner = THIS_MODULE,
705 .n_voltages = 1,
706 .enable_time = 500,
707 .volt_table = fixed_2050000_voltage,
708 },
709 .update_bank = 0x03,
710 .update_reg = 0x83,
711 .update_mask = 0x08,
712 .update_val = 0x08,
713 },
714 [AB8500_LDO_ANAMIC2] = {
715 .desc = {
716 .name = "LDO-ANAMIC2",
717 .ops = &ab8500_regulator_ops,
718 .type = REGULATOR_VOLTAGE,
719 .id = AB8500_LDO_ANAMIC2,
720 .owner = THIS_MODULE,
721 .n_voltages = 1,
722 .enable_time = 500,
723 .volt_table = fixed_2050000_voltage,
724 },
725 .update_bank = 0x03,
726 .update_reg = 0x83,
727 .update_mask = 0x10,
728 .update_val = 0x10,
729 },
730 [AB8500_LDO_DMIC] = {
731 .desc = {
732 .name = "LDO-DMIC",
733 .ops = &ab8500_regulator_ops,
734 .type = REGULATOR_VOLTAGE,
735 .id = AB8500_LDO_DMIC,
736 .owner = THIS_MODULE,
737 .n_voltages = 1,
738 .enable_time = 420,
739 .volt_table = fixed_1800000_voltage,
740 },
741 .update_bank = 0x03,
742 .update_reg = 0x83,
743 .update_mask = 0x04,
744 .update_val = 0x04,
745 },
746
747
748
749
750 [AB8500_LDO_ANA] = {
751 .desc = {
752 .name = "LDO-ANA",
753 .ops = &ab8500_regulator_mode_ops,
754 .type = REGULATOR_VOLTAGE,
755 .id = AB8500_LDO_ANA,
756 .owner = THIS_MODULE,
757 .n_voltages = 1,
758 .enable_time = 140,
759 .volt_table = fixed_1200000_voltage,
760 },
761 .load_lp_uA = 1000,
762 .update_bank = 0x04,
763 .update_reg = 0x06,
764 .update_mask = 0x0c,
765 .update_val = 0x04,
766 .update_val_idle = 0x0c,
767 .update_val_normal = 0x04,
768 },
769};
770
771
772static struct ab8500_regulator_info
773 ab8505_regulator_info[AB8505_NUM_REGULATORS] = {
774
775
776
777
778
779
780 [AB8505_LDO_AUX1] = {
781 .desc = {
782 .name = "LDO-AUX1",
783 .ops = &ab8500_regulator_volt_mode_ops,
784 .type = REGULATOR_VOLTAGE,
785 .id = AB8505_LDO_AUX1,
786 .owner = THIS_MODULE,
787 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
788 .volt_table = ldo_vauxn_voltages,
789 },
790 .load_lp_uA = 5000,
791 .update_bank = 0x04,
792 .update_reg = 0x09,
793 .update_mask = 0x03,
794 .update_val = 0x01,
795 .update_val_idle = 0x03,
796 .update_val_normal = 0x01,
797 .voltage_bank = 0x04,
798 .voltage_reg = 0x1f,
799 .voltage_mask = 0x0f,
800 },
801 [AB8505_LDO_AUX2] = {
802 .desc = {
803 .name = "LDO-AUX2",
804 .ops = &ab8500_regulator_volt_mode_ops,
805 .type = REGULATOR_VOLTAGE,
806 .id = AB8505_LDO_AUX2,
807 .owner = THIS_MODULE,
808 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
809 .volt_table = ldo_vauxn_voltages,
810 },
811 .load_lp_uA = 5000,
812 .update_bank = 0x04,
813 .update_reg = 0x09,
814 .update_mask = 0x0c,
815 .update_val = 0x04,
816 .update_val_idle = 0x0c,
817 .update_val_normal = 0x04,
818 .voltage_bank = 0x04,
819 .voltage_reg = 0x20,
820 .voltage_mask = 0x0f,
821 },
822 [AB8505_LDO_AUX3] = {
823 .desc = {
824 .name = "LDO-AUX3",
825 .ops = &ab8500_regulator_volt_mode_ops,
826 .type = REGULATOR_VOLTAGE,
827 .id = AB8505_LDO_AUX3,
828 .owner = THIS_MODULE,
829 .n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
830 .volt_table = ldo_vaux3_voltages,
831 },
832 .load_lp_uA = 5000,
833 .update_bank = 0x04,
834 .update_reg = 0x0a,
835 .update_mask = 0x03,
836 .update_val = 0x01,
837 .update_val_idle = 0x03,
838 .update_val_normal = 0x01,
839 .voltage_bank = 0x04,
840 .voltage_reg = 0x21,
841 .voltage_mask = 0x07,
842 },
843 [AB8505_LDO_AUX4] = {
844 .desc = {
845 .name = "LDO-AUX4",
846 .ops = &ab8500_regulator_volt_mode_ops,
847 .type = REGULATOR_VOLTAGE,
848 .id = AB8505_LDO_AUX4,
849 .owner = THIS_MODULE,
850 .n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
851 .volt_table = ldo_vauxn_voltages,
852 },
853 .load_lp_uA = 5000,
854
855 .update_bank = 0x04,
856 .update_reg = 0x2e,
857 .update_mask = 0x03,
858 .update_val = 0x01,
859 .update_val_idle = 0x03,
860 .update_val_normal = 0x01,
861
862 .voltage_bank = 0x04,
863 .voltage_reg = 0x2f,
864 .voltage_mask = 0x0f,
865 },
866 [AB8505_LDO_AUX5] = {
867 .desc = {
868 .name = "LDO-AUX5",
869 .ops = &ab8500_regulator_volt_mode_ops,
870 .type = REGULATOR_VOLTAGE,
871 .id = AB8505_LDO_AUX5,
872 .owner = THIS_MODULE,
873 .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
874 .volt_table = ldo_vaux56_voltages,
875 },
876 .load_lp_uA = 2000,
877
878 .update_bank = 0x01,
879 .update_reg = 0x55,
880 .update_mask = 0x18,
881 .update_val = 0x10,
882 .update_val_idle = 0x18,
883 .update_val_normal = 0x10,
884 .voltage_bank = 0x01,
885 .voltage_reg = 0x55,
886 .voltage_mask = 0x07,
887 },
888 [AB8505_LDO_AUX6] = {
889 .desc = {
890 .name = "LDO-AUX6",
891 .ops = &ab8500_regulator_volt_mode_ops,
892 .type = REGULATOR_VOLTAGE,
893 .id = AB8505_LDO_AUX6,
894 .owner = THIS_MODULE,
895 .n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
896 .volt_table = ldo_vaux56_voltages,
897 },
898 .load_lp_uA = 2000,
899
900 .update_bank = 0x01,
901 .update_reg = 0x56,
902 .update_mask = 0x18,
903 .update_val = 0x10,
904 .update_val_idle = 0x18,
905 .update_val_normal = 0x10,
906 .voltage_bank = 0x01,
907 .voltage_reg = 0x56,
908 .voltage_mask = 0x07,
909 },
910 [AB8505_LDO_INTCORE] = {
911 .desc = {
912 .name = "LDO-INTCORE",
913 .ops = &ab8500_regulator_volt_mode_ops,
914 .type = REGULATOR_VOLTAGE,
915 .id = AB8505_LDO_INTCORE,
916 .owner = THIS_MODULE,
917 .n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
918 .volt_table = ldo_vintcore_voltages,
919 },
920 .load_lp_uA = 5000,
921 .update_bank = 0x03,
922 .update_reg = 0x80,
923 .update_mask = 0x44,
924 .update_val = 0x04,
925 .update_val_idle = 0x44,
926 .update_val_normal = 0x04,
927 .voltage_bank = 0x03,
928 .voltage_reg = 0x80,
929 .voltage_mask = 0x38,
930 },
931
932
933
934
935
936
937 [AB8505_LDO_ADC] = {
938 .desc = {
939 .name = "LDO-ADC",
940 .ops = &ab8500_regulator_mode_ops,
941 .type = REGULATOR_VOLTAGE,
942 .id = AB8505_LDO_ADC,
943 .owner = THIS_MODULE,
944 .n_voltages = 1,
945 .volt_table = fixed_2000000_voltage,
946 .enable_time = 10000,
947 },
948 .load_lp_uA = 1000,
949 .update_bank = 0x03,
950 .update_reg = 0x80,
951 .update_mask = 0x82,
952 .update_val = 0x02,
953 .update_val_idle = 0x82,
954 .update_val_normal = 0x02,
955 },
956 [AB8505_LDO_USB] = {
957 .desc = {
958 .name = "LDO-USB",
959 .ops = &ab8500_regulator_mode_ops,
960 .type = REGULATOR_VOLTAGE,
961 .id = AB8505_LDO_USB,
962 .owner = THIS_MODULE,
963 .n_voltages = 1,
964 .volt_table = fixed_3300000_voltage,
965 },
966 .update_bank = 0x03,
967 .update_reg = 0x82,
968 .update_mask = 0x03,
969 .update_val = 0x01,
970 .update_val_idle = 0x03,
971 .update_val_normal = 0x01,
972 },
973 [AB8505_LDO_AUDIO] = {
974 .desc = {
975 .name = "LDO-AUDIO",
976 .ops = &ab8500_regulator_volt_ops,
977 .type = REGULATOR_VOLTAGE,
978 .id = AB8505_LDO_AUDIO,
979 .owner = THIS_MODULE,
980 .n_voltages = ARRAY_SIZE(ldo_vaudio_voltages),
981 .volt_table = ldo_vaudio_voltages,
982 },
983 .update_bank = 0x03,
984 .update_reg = 0x83,
985 .update_mask = 0x02,
986 .update_val = 0x02,
987 .voltage_bank = 0x01,
988 .voltage_reg = 0x57,
989 .voltage_mask = 0x70,
990 },
991 [AB8505_LDO_ANAMIC1] = {
992 .desc = {
993 .name = "LDO-ANAMIC1",
994 .ops = &ab8500_regulator_anamic_mode_ops,
995 .type = REGULATOR_VOLTAGE,
996 .id = AB8505_LDO_ANAMIC1,
997 .owner = THIS_MODULE,
998 .n_voltages = 1,
999 .volt_table = fixed_2050000_voltage,
1000 },
1001 .shared_mode = &ldo_anamic1_shared,
1002 .update_bank = 0x03,
1003 .update_reg = 0x83,
1004 .update_mask = 0x08,
1005 .update_val = 0x08,
1006 .mode_bank = 0x01,
1007 .mode_reg = 0x54,
1008 .mode_mask = 0x04,
1009 .mode_val_idle = 0x04,
1010 .mode_val_normal = 0x00,
1011 },
1012 [AB8505_LDO_ANAMIC2] = {
1013 .desc = {
1014 .name = "LDO-ANAMIC2",
1015 .ops = &ab8500_regulator_anamic_mode_ops,
1016 .type = REGULATOR_VOLTAGE,
1017 .id = AB8505_LDO_ANAMIC2,
1018 .owner = THIS_MODULE,
1019 .n_voltages = 1,
1020 .volt_table = fixed_2050000_voltage,
1021 },
1022 .shared_mode = &ldo_anamic2_shared,
1023 .update_bank = 0x03,
1024 .update_reg = 0x83,
1025 .update_mask = 0x10,
1026 .update_val = 0x10,
1027 .mode_bank = 0x01,
1028 .mode_reg = 0x54,
1029 .mode_mask = 0x04,
1030 .mode_val_idle = 0x04,
1031 .mode_val_normal = 0x00,
1032 },
1033 [AB8505_LDO_AUX8] = {
1034 .desc = {
1035 .name = "LDO-AUX8",
1036 .ops = &ab8500_regulator_ops,
1037 .type = REGULATOR_VOLTAGE,
1038 .id = AB8505_LDO_AUX8,
1039 .owner = THIS_MODULE,
1040 .n_voltages = 1,
1041 .volt_table = fixed_1800000_voltage,
1042 },
1043 .update_bank = 0x03,
1044 .update_reg = 0x83,
1045 .update_mask = 0x04,
1046 .update_val = 0x04,
1047 },
1048
1049
1050
1051 [AB8505_LDO_ANA] = {
1052 .desc = {
1053 .name = "LDO-ANA",
1054 .ops = &ab8500_regulator_volt_mode_ops,
1055 .type = REGULATOR_VOLTAGE,
1056 .id = AB8505_LDO_ANA,
1057 .owner = THIS_MODULE,
1058 .n_voltages = ARRAY_SIZE(ldo_vana_voltages),
1059 .volt_table = ldo_vana_voltages,
1060 },
1061 .load_lp_uA = 1000,
1062 .update_bank = 0x04,
1063 .update_reg = 0x06,
1064 .update_mask = 0x0c,
1065 .update_val = 0x04,
1066 .update_val_idle = 0x0c,
1067 .update_val_normal = 0x04,
1068 .voltage_bank = 0x04,
1069 .voltage_reg = 0x29,
1070 .voltage_mask = 0x7,
1071 },
1072};
1073
1074static struct ab8500_shared_mode ldo_anamic1_shared = {
1075 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2],
1076};
1077
1078static struct ab8500_shared_mode ldo_anamic2_shared = {
1079 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1],
1080};
1081
1082struct ab8500_reg_init {
1083 u8 bank;
1084 u8 addr;
1085 u8 mask;
1086};
1087
1088#define REG_INIT(_id, _bank, _addr, _mask) \
1089 [_id] = { \
1090 .bank = _bank, \
1091 .addr = _addr, \
1092 .mask = _mask, \
1093 }
1094
1095
1096static struct ab8500_reg_init ab8500_reg_init[] = {
1097
1098
1099
1100
1101 REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xf0),
1102
1103
1104
1105
1106
1107
1108 REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff),
1109
1110
1111
1112
1113 REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1114
1115
1116
1117
1118
1119
1120 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8),
1121
1122
1123
1124
1125
1126 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70),
1127
1128
1129
1130
1131
1132
1133 REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8),
1134
1135
1136
1137
1138
1139 REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07),
1140
1141
1142
1143
1144
1145
1146 REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8),
1147
1148
1149
1150
1151
1152 REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07),
1153
1154
1155
1156
1157 REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0),
1158
1159
1160
1161
1162
1163
1164
1165 REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f),
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175 REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe),
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185 REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe),
1186
1187
1188
1189
1190
1191
1192
1193 REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe),
1194
1195
1196
1197
1198
1199
1200 REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1201
1202
1203
1204
1205 REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1206
1207
1208
1209
1210 REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1211
1212
1213
1214
1215 REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03),
1216
1217
1218
1219
1220
1221
1222
1223 REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1224
1225
1226
1227
1228 REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f),
1229
1230
1231
1232 REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03),
1233
1234
1235
1236 REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f),
1237
1238
1239
1240 REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f),
1241
1242
1243
1244 REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07),
1245
1246
1247
1248 REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01),
1249
1250
1251
1252
1253
1254
1255
1256
1257 REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1258
1259
1260
1261
1262
1263 REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1264};
1265
1266
1267static struct ab8500_reg_init ab8505_reg_init[] = {
1268
1269
1270
1271
1272
1273
1274 REG_INIT(AB8505_REGUREQUESTCTRL1, 0x03, 0x03, 0xff),
1275
1276
1277
1278
1279
1280 REG_INIT(AB8505_REGUREQUESTCTRL2, 0x03, 0x04, 0x3f),
1281
1282
1283
1284
1285 REG_INIT(AB8505_REGUREQUESTCTRL3, 0x03, 0x05, 0xf0),
1286
1287
1288
1289
1290 REG_INIT(AB8505_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff),
1302
1303
1304
1305
1306
1307
1308 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x0f),
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319 REG_INIT(AB8505_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff),
1320
1321
1322
1323 REG_INIT(AB8505_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x08),
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334 REG_INIT(AB8505_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff),
1335
1336
1337
1338 REG_INIT(AB8505_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x08),
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349 REG_INIT(AB8505_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff),
1350
1351
1352
1353
1354
1355 REG_INIT(AB8505_REGUSWHPREQVALID2, 0x03, 0x0e, 0x23),
1356
1357
1358
1359
1360
1361 REG_INIT(AB8505_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0x0e),
1362
1363
1364
1365
1366
1367 REG_INIT(AB8505_REGUSYSCLKREQVALID2, 0x03, 0x10, 0x0e),
1368
1369
1370
1371
1372
1373
1374 REG_INIT(AB8505_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f),
1375
1376
1377
1378
1379
1380
1381
1382 REG_INIT(AB8505_REGUMISC1, 0x03, 0x80, 0xfe),
1383
1384
1385
1386
1387
1388
1389 REG_INIT(AB8505_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1390
1391
1392
1393
1394 REG_INIT(AB8505_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1395
1396
1397
1398
1399
1400
1401 REG_INIT(AB8505_VSMPSAREGU, 0x04, 0x03, 0x3f),
1402
1403
1404
1405
1406
1407
1408 REG_INIT(AB8505_VSMPSBREGU, 0x04, 0x04, 0x3f),
1409
1410
1411
1412
1413
1414
1415 REG_INIT(AB8505_VSAFEREGU, 0x04, 0x05, 0x3f),
1416
1417
1418
1419
1420 REG_INIT(AB8505_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1421
1422
1423
1424
1425
1426
1427
1428 REG_INIT(AB8505_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1429
1430
1431
1432
1433 REG_INIT(AB8505_VAUX12REGU, 0x04, 0x09, 0x0f),
1434
1435
1436
1437 REG_INIT(AB8505_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f),
1438
1439
1440
1441 REG_INIT(AB8505_VSMPSASEL1, 0x04, 0x13, 0x3f),
1442
1443
1444
1445 REG_INIT(AB8505_VSMPSASEL2, 0x04, 0x14, 0x3f),
1446
1447
1448
1449 REG_INIT(AB8505_VSMPSASEL3, 0x04, 0x15, 0x3f),
1450
1451
1452
1453 REG_INIT(AB8505_VSMPSBSEL1, 0x04, 0x17, 0x3f),
1454
1455
1456
1457 REG_INIT(AB8505_VSMPSBSEL2, 0x04, 0x18, 0x3f),
1458
1459
1460
1461 REG_INIT(AB8505_VSMPSBSEL3, 0x04, 0x19, 0x3f),
1462
1463
1464
1465 REG_INIT(AB8505_VSAFESEL1, 0x04, 0x1b, 0x7f),
1466
1467
1468
1469 REG_INIT(AB8505_VSAFESEL2, 0x04, 0x1c, 0x7f),
1470
1471
1472
1473 REG_INIT(AB8505_VSAFESEL3, 0x04, 0x1d, 0x7f),
1474
1475
1476
1477 REG_INIT(AB8505_VAUX1SEL, 0x04, 0x1f, 0x0f),
1478
1479
1480
1481 REG_INIT(AB8505_VAUX2SEL, 0x04, 0x20, 0x0f),
1482
1483
1484
1485
1486 REG_INIT(AB8505_VRF1VAUX3SEL, 0x04, 0x21, 0x37),
1487
1488
1489
1490 REG_INIT(AB8505_VAUX4REQCTRL, 0x04, 0x2d, 0x03),
1491
1492
1493
1494 REG_INIT(AB8505_VAUX4REGU, 0x04, 0x2e, 0x03),
1495
1496
1497
1498 REG_INIT(AB8505_VAUX4SEL, 0x04, 0x2f, 0x0f),
1499
1500
1501
1502
1503
1504
1505
1506
1507 REG_INIT(AB8505_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1508
1509
1510
1511
1512
1513 REG_INIT(AB8505_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1514
1515
1516
1517 REG_INIT(AB8505_REGUCTRLDISCH3, 0x04, 0x48, 0x01),
1518
1519
1520
1521
1522
1523
1524
1525
1526 REG_INIT(AB8505_CTRLVAUX5, 0x01, 0x55, 0xff),
1527
1528
1529
1530
1531
1532
1533 REG_INIT(AB8505_CTRLVAUX6, 0x01, 0x56, 0x9f),
1534};
1535
1536static struct of_regulator_match ab8500_regulator_match[] = {
1537 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, },
1538 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, },
1539 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8500_LDO_AUX3, },
1540 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
1541 { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8500_LDO_TVOUT, },
1542 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8500_LDO_AUDIO, },
1543 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
1544 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
1545 { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8500_LDO_DMIC, },
1546 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8500_LDO_ANA, },
1547};
1548
1549static struct of_regulator_match ab8505_regulator_match[] = {
1550 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8505_LDO_AUX1, },
1551 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8505_LDO_AUX2, },
1552 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8505_LDO_AUX3, },
1553 { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB8505_LDO_AUX4, },
1554 { .name = "ab8500_ldo_aux5", .driver_data = (void *) AB8505_LDO_AUX5, },
1555 { .name = "ab8500_ldo_aux6", .driver_data = (void *) AB8505_LDO_AUX6, },
1556 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8505_LDO_INTCORE, },
1557 { .name = "ab8500_ldo_adc", .driver_data = (void *) AB8505_LDO_ADC, },
1558 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8505_LDO_AUDIO, },
1559 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8505_LDO_ANAMIC1, },
1560 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8505_LDO_ANAMIC2, },
1561 { .name = "ab8500_ldo_aux8", .driver_data = (void *) AB8505_LDO_AUX8, },
1562 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8505_LDO_ANA, },
1563};
1564
1565static struct {
1566 struct ab8500_regulator_info *info;
1567 int info_size;
1568 struct ab8500_reg_init *init;
1569 int init_size;
1570 struct of_regulator_match *match;
1571 int match_size;
1572} abx500_regulator;
1573
1574static void abx500_get_regulator_info(struct ab8500 *ab8500)
1575{
1576 if (is_ab8505(ab8500)) {
1577 abx500_regulator.info = ab8505_regulator_info;
1578 abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info);
1579 abx500_regulator.init = ab8505_reg_init;
1580 abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS;
1581 abx500_regulator.match = ab8505_regulator_match;
1582 abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match);
1583 } else {
1584 abx500_regulator.info = ab8500_regulator_info;
1585 abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info);
1586 abx500_regulator.init = ab8500_reg_init;
1587 abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS;
1588 abx500_regulator.match = ab8500_regulator_match;
1589 abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match);
1590 }
1591}
1592
1593static int ab8500_regulator_register(struct platform_device *pdev,
1594 struct regulator_init_data *init_data,
1595 int id, struct device_node *np)
1596{
1597 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1598 struct ab8500_regulator_info *info = NULL;
1599 struct regulator_config config = { };
1600 struct regulator_dev *rdev;
1601
1602
1603 info = &abx500_regulator.info[id];
1604 info->dev = &pdev->dev;
1605
1606 config.dev = &pdev->dev;
1607 config.init_data = init_data;
1608 config.driver_data = info;
1609 config.of_node = np;
1610
1611
1612 if (is_ab8500_1p1_or_earlier(ab8500)) {
1613 if (info->desc.id == AB8500_LDO_AUX3) {
1614 info->desc.n_voltages =
1615 ARRAY_SIZE(ldo_vauxn_voltages);
1616 info->desc.volt_table = ldo_vauxn_voltages;
1617 info->voltage_mask = 0xf;
1618 }
1619 }
1620
1621
1622 rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
1623 if (IS_ERR(rdev)) {
1624 dev_err(&pdev->dev, "failed to register regulator %s\n",
1625 info->desc.name);
1626 return PTR_ERR(rdev);
1627 }
1628
1629 return 0;
1630}
1631
1632static int ab8500_regulator_probe(struct platform_device *pdev)
1633{
1634 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1635 struct device_node *np = pdev->dev.of_node;
1636 struct of_regulator_match *match;
1637 int err, i;
1638
1639 if (!ab8500) {
1640 dev_err(&pdev->dev, "null mfd parent\n");
1641 return -EINVAL;
1642 }
1643
1644 abx500_get_regulator_info(ab8500);
1645
1646 err = of_regulator_match(&pdev->dev, np,
1647 abx500_regulator.match,
1648 abx500_regulator.match_size);
1649 if (err < 0) {
1650 dev_err(&pdev->dev,
1651 "Error parsing regulator init data: %d\n", err);
1652 return err;
1653 }
1654
1655 match = abx500_regulator.match;
1656 for (i = 0; i < abx500_regulator.info_size; i++) {
1657 err = ab8500_regulator_register(pdev, match[i].init_data, i,
1658 match[i].of_node);
1659 if (err)
1660 return err;
1661 }
1662
1663 return 0;
1664}
1665
1666static struct platform_driver ab8500_regulator_driver = {
1667 .probe = ab8500_regulator_probe,
1668 .driver = {
1669 .name = "ab8500-regulator",
1670 },
1671};
1672
1673static int __init ab8500_regulator_init(void)
1674{
1675 int ret;
1676
1677 ret = platform_driver_register(&ab8500_regulator_driver);
1678 if (ret != 0)
1679 pr_err("Failed to register ab8500 regulator: %d\n", ret);
1680
1681 return ret;
1682}
1683subsys_initcall(ab8500_regulator_init);
1684
1685static void __exit ab8500_regulator_exit(void)
1686{
1687 platform_driver_unregister(&ab8500_regulator_driver);
1688}
1689module_exit(ab8500_regulator_exit);
1690
1691MODULE_LICENSE("GPL v2");
1692MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
1693MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
1694MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>");
1695MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
1696MODULE_ALIAS("platform:ab8500-regulator");
1697
