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Merge tag 'timers-nohz-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-jammy-kernel.git] / drivers / regulator / ab8500.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) ST-Ericsson SA 2010
4 *
5 * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
6 * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
7 * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson
8 *
9 * AB8500 peripheral regulators
10 *
11 * AB8500 supports the following regulators:
12 * VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
13 *
14 * AB8505 supports the following regulators:
15 * VAUX1/2/3/4/5/6, VINTCORE, VADC, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
16 */
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 * struct ab8500_shared_mode - is used when mode is shared between
33 * two regulators.
34 * @shared_regulator: pointer to the other sharing regulator
35 * @lp_mode_req: low power mode requested by this regulator
36 */
37 struct ab8500_shared_mode {
38 struct ab8500_regulator_info *shared_regulator;
39 bool lp_mode_req;
40 };
41
42 /**
43 * struct ab8500_regulator_info - ab8500 regulator information
44 * @dev: device pointer
45 * @desc: regulator description
46 * @shared_mode: used when mode is shared between two regulators
47 * @load_lp_uA: maximum load in idle (low power) mode
48 * @update_bank: bank to control on/off
49 * @update_reg: register to control on/off
50 * @update_mask: mask to enable/disable and set mode of regulator
51 * @update_val: bits holding the regulator current mode
52 * @update_val_idle: bits to enable the regulator in idle (low power) mode
53 * @update_val_normal: bits to enable the regulator in normal (high power) mode
54 * @mode_bank: bank with location of mode register
55 * @mode_reg: mode register
56 * @mode_mask: mask for setting mode
57 * @mode_val_idle: mode setting for low power
58 * @mode_val_normal: mode setting for normal power
59 * @voltage_bank: bank to control regulator voltage
60 * @voltage_reg: register to control regulator voltage
61 * @voltage_mask: mask to control regulator voltage
62 */
63 struct 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 /* voltage tables for the vauxn/vintcore supplies */
91 static 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
110 static const unsigned int ldo_vaux3_voltages[] = {
111 1200000,
112 1500000,
113 1800000,
114 2100000,
115 2500000,
116 2750000,
117 2790000,
118 2910000,
119 };
120
121 static const unsigned int ldo_vaux56_voltages[] = {
122 1800000,
123 1050000,
124 1100000,
125 1200000,
126 1500000,
127 2200000,
128 2500000,
129 2790000,
130 };
131
132 static const unsigned int ldo_vintcore_voltages[] = {
133 1200000,
134 1225000,
135 1250000,
136 1275000,
137 1300000,
138 1325000,
139 1350000,
140 };
141
142 static const unsigned int ldo_sdio_voltages[] = {
143 1160000,
144 1050000,
145 1100000,
146 1500000,
147 1800000,
148 2200000,
149 2910000,
150 3050000,
151 };
152
153 static const unsigned int fixed_1200000_voltage[] = {
154 1200000,
155 };
156
157 static const unsigned int fixed_1800000_voltage[] = {
158 1800000,
159 };
160
161 static const unsigned int fixed_2000000_voltage[] = {
162 2000000,
163 };
164
165 static const unsigned int fixed_2050000_voltage[] = {
166 2050000,
167 };
168
169 static const unsigned int fixed_3300000_voltage[] = {
170 3300000,
171 };
172
173 static const unsigned int ldo_vana_voltages[] = {
174 1050000,
175 1075000,
176 1100000,
177 1125000,
178 1150000,
179 1175000,
180 1200000,
181 1225000,
182 };
183
184 static const unsigned int ldo_vaudio_voltages[] = {
185 2000000,
186 2100000,
187 2200000,
188 2300000,
189 2400000,
190 2500000,
191 2600000,
192 2600000, /* Duplicated in Vaudio and IsoUicc Control register. */
193 };
194
195 static const unsigned int ldo_vdmic_voltages[] = {
196 1800000,
197 1900000,
198 2000000,
199 2850000,
200 };
201
202 static DEFINE_MUTEX(shared_mode_mutex);
203 static struct ab8500_shared_mode ldo_anamic1_shared;
204 static struct ab8500_shared_mode ldo_anamic2_shared;
205
206 static 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
233 static 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
260 static 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, &regval);
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
291 static 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
312 static 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 /* Other regulator prevent LP mode */
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
394 out_unlock:
395 if (info->shared_mode)
396 mutex_unlock(&shared_mode_mutex);
397
398 return ret;
399 }
400
401 static 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 /* Need special handling for shared mode */
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 /* Dedicated register for handling mode */
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 /* Mode register same as enable register */
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
447 static 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, &regval);
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
478 static 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 /* set the registers for the request */
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
510 static 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
522 static 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
531 static 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
541 static 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
548 static 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 /* AB8500 regulator information */
558 static struct ab8500_regulator_info
559 ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
560 /*
561 * Variable Voltage Regulators
562 * name, min mV, max mV,
563 * update bank, reg, mask, enable val
564 * volt bank, reg, mask
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 * Fixed Voltage Regulators
660 * name, fixed mV,
661 * update bank, reg, mask, enable val
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 * Regulators with fixed voltage and normal/idle modes
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 /* AB8505 regulator information */
772 static struct ab8500_regulator_info
773 ab8505_regulator_info[AB8505_NUM_REGULATORS] = {
774 /*
775 * Variable Voltage Regulators
776 * name, min mV, max mV,
777 * update bank, reg, mask, enable val
778 * volt bank, reg, mask
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 /* values for Vaux4Regu register */
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 /* values for Vaux4SEL register */
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 /* values for CtrlVaux5 register */
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 /* values for CtrlVaux6 register */
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 * Fixed Voltage Regulators
934 * name, fixed mV,
935 * update bank, reg, mask, enable val
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_AUDIO] = {
957 .desc = {
958 .name = "LDO-AUDIO",
959 .ops = &ab8500_regulator_volt_ops,
960 .type = REGULATOR_VOLTAGE,
961 .id = AB8505_LDO_AUDIO,
962 .owner = THIS_MODULE,
963 .n_voltages = ARRAY_SIZE(ldo_vaudio_voltages),
964 .volt_table = ldo_vaudio_voltages,
965 },
966 .update_bank = 0x03,
967 .update_reg = 0x83,
968 .update_mask = 0x02,
969 .update_val = 0x02,
970 .voltage_bank = 0x01,
971 .voltage_reg = 0x57,
972 .voltage_mask = 0x70,
973 },
974 [AB8505_LDO_ANAMIC1] = {
975 .desc = {
976 .name = "LDO-ANAMIC1",
977 .ops = &ab8500_regulator_anamic_mode_ops,
978 .type = REGULATOR_VOLTAGE,
979 .id = AB8505_LDO_ANAMIC1,
980 .owner = THIS_MODULE,
981 .n_voltages = 1,
982 .volt_table = fixed_2050000_voltage,
983 },
984 .shared_mode = &ldo_anamic1_shared,
985 .update_bank = 0x03,
986 .update_reg = 0x83,
987 .update_mask = 0x08,
988 .update_val = 0x08,
989 .mode_bank = 0x01,
990 .mode_reg = 0x54,
991 .mode_mask = 0x04,
992 .mode_val_idle = 0x04,
993 .mode_val_normal = 0x00,
994 },
995 [AB8505_LDO_ANAMIC2] = {
996 .desc = {
997 .name = "LDO-ANAMIC2",
998 .ops = &ab8500_regulator_anamic_mode_ops,
999 .type = REGULATOR_VOLTAGE,
1000 .id = AB8505_LDO_ANAMIC2,
1001 .owner = THIS_MODULE,
1002 .n_voltages = 1,
1003 .volt_table = fixed_2050000_voltage,
1004 },
1005 .shared_mode = &ldo_anamic2_shared,
1006 .update_bank = 0x03,
1007 .update_reg = 0x83,
1008 .update_mask = 0x10,
1009 .update_val = 0x10,
1010 .mode_bank = 0x01,
1011 .mode_reg = 0x54,
1012 .mode_mask = 0x04,
1013 .mode_val_idle = 0x04,
1014 .mode_val_normal = 0x00,
1015 },
1016 [AB8505_LDO_AUX8] = {
1017 .desc = {
1018 .name = "LDO-AUX8",
1019 .ops = &ab8500_regulator_ops,
1020 .type = REGULATOR_VOLTAGE,
1021 .id = AB8505_LDO_AUX8,
1022 .owner = THIS_MODULE,
1023 .n_voltages = 1,
1024 .volt_table = fixed_1800000_voltage,
1025 },
1026 .update_bank = 0x03,
1027 .update_reg = 0x83,
1028 .update_mask = 0x04,
1029 .update_val = 0x04,
1030 },
1031 /*
1032 * Regulators with fixed voltage and normal/idle modes
1033 */
1034 [AB8505_LDO_ANA] = {
1035 .desc = {
1036 .name = "LDO-ANA",
1037 .ops = &ab8500_regulator_volt_mode_ops,
1038 .type = REGULATOR_VOLTAGE,
1039 .id = AB8505_LDO_ANA,
1040 .owner = THIS_MODULE,
1041 .n_voltages = ARRAY_SIZE(ldo_vana_voltages),
1042 .volt_table = ldo_vana_voltages,
1043 },
1044 .load_lp_uA = 1000,
1045 .update_bank = 0x04,
1046 .update_reg = 0x06,
1047 .update_mask = 0x0c,
1048 .update_val = 0x04,
1049 .update_val_idle = 0x0c,
1050 .update_val_normal = 0x04,
1051 .voltage_bank = 0x04,
1052 .voltage_reg = 0x29,
1053 .voltage_mask = 0x7,
1054 },
1055 };
1056
1057 static struct ab8500_shared_mode ldo_anamic1_shared = {
1058 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2],
1059 };
1060
1061 static struct ab8500_shared_mode ldo_anamic2_shared = {
1062 .shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1],
1063 };
1064
1065 struct ab8500_reg_init {
1066 u8 bank;
1067 u8 addr;
1068 u8 mask;
1069 };
1070
1071 #define REG_INIT(_id, _bank, _addr, _mask) \
1072 [_id] = { \
1073 .bank = _bank, \
1074 .addr = _addr, \
1075 .mask = _mask, \
1076 }
1077
1078 /* AB8500 register init */
1079 static struct ab8500_reg_init ab8500_reg_init[] = {
1080 /*
1081 * 0x30, VanaRequestCtrl
1082 * 0xc0, VextSupply1RequestCtrl
1083 */
1084 REG_INIT(AB8500_REGUREQUESTCTRL2, 0x03, 0x04, 0xf0),
1085 /*
1086 * 0x03, VextSupply2RequestCtrl
1087 * 0x0c, VextSupply3RequestCtrl
1088 * 0x30, Vaux1RequestCtrl
1089 * 0xc0, Vaux2RequestCtrl
1090 */
1091 REG_INIT(AB8500_REGUREQUESTCTRL3, 0x03, 0x05, 0xff),
1092 /*
1093 * 0x03, Vaux3RequestCtrl
1094 * 0x04, SwHPReq
1095 */
1096 REG_INIT(AB8500_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1097 /*
1098 * 0x08, VanaSysClkReq1HPValid
1099 * 0x20, Vaux1SysClkReq1HPValid
1100 * 0x40, Vaux2SysClkReq1HPValid
1101 * 0x80, Vaux3SysClkReq1HPValid
1102 */
1103 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xe8),
1104 /*
1105 * 0x10, VextSupply1SysClkReq1HPValid
1106 * 0x20, VextSupply2SysClkReq1HPValid
1107 * 0x40, VextSupply3SysClkReq1HPValid
1108 */
1109 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x70),
1110 /*
1111 * 0x08, VanaHwHPReq1Valid
1112 * 0x20, Vaux1HwHPReq1Valid
1113 * 0x40, Vaux2HwHPReq1Valid
1114 * 0x80, Vaux3HwHPReq1Valid
1115 */
1116 REG_INIT(AB8500_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xe8),
1117 /*
1118 * 0x01, VextSupply1HwHPReq1Valid
1119 * 0x02, VextSupply2HwHPReq1Valid
1120 * 0x04, VextSupply3HwHPReq1Valid
1121 */
1122 REG_INIT(AB8500_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x07),
1123 /*
1124 * 0x08, VanaHwHPReq2Valid
1125 * 0x20, Vaux1HwHPReq2Valid
1126 * 0x40, Vaux2HwHPReq2Valid
1127 * 0x80, Vaux3HwHPReq2Valid
1128 */
1129 REG_INIT(AB8500_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xe8),
1130 /*
1131 * 0x01, VextSupply1HwHPReq2Valid
1132 * 0x02, VextSupply2HwHPReq2Valid
1133 * 0x04, VextSupply3HwHPReq2Valid
1134 */
1135 REG_INIT(AB8500_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x07),
1136 /*
1137 * 0x20, VanaSwHPReqValid
1138 * 0x80, Vaux1SwHPReqValid
1139 */
1140 REG_INIT(AB8500_REGUSWHPREQVALID1, 0x03, 0x0d, 0xa0),
1141 /*
1142 * 0x01, Vaux2SwHPReqValid
1143 * 0x02, Vaux3SwHPReqValid
1144 * 0x04, VextSupply1SwHPReqValid
1145 * 0x08, VextSupply2SwHPReqValid
1146 * 0x10, VextSupply3SwHPReqValid
1147 */
1148 REG_INIT(AB8500_REGUSWHPREQVALID2, 0x03, 0x0e, 0x1f),
1149 /*
1150 * 0x02, SysClkReq2Valid1
1151 * 0x04, SysClkReq3Valid1
1152 * 0x08, SysClkReq4Valid1
1153 * 0x10, SysClkReq5Valid1
1154 * 0x20, SysClkReq6Valid1
1155 * 0x40, SysClkReq7Valid1
1156 * 0x80, SysClkReq8Valid1
1157 */
1158 REG_INIT(AB8500_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0xfe),
1159 /*
1160 * 0x02, SysClkReq2Valid2
1161 * 0x04, SysClkReq3Valid2
1162 * 0x08, SysClkReq4Valid2
1163 * 0x10, SysClkReq5Valid2
1164 * 0x20, SysClkReq6Valid2
1165 * 0x40, SysClkReq7Valid2
1166 * 0x80, SysClkReq8Valid2
1167 */
1168 REG_INIT(AB8500_REGUSYSCLKREQVALID2, 0x03, 0x10, 0xfe),
1169 /*
1170 * 0x02, VTVoutEna
1171 * 0x04, Vintcore12Ena
1172 * 0x38, Vintcore12Sel
1173 * 0x40, Vintcore12LP
1174 * 0x80, VTVoutLP
1175 */
1176 REG_INIT(AB8500_REGUMISC1, 0x03, 0x80, 0xfe),
1177 /*
1178 * 0x02, VaudioEna
1179 * 0x04, VdmicEna
1180 * 0x08, Vamic1Ena
1181 * 0x10, Vamic2Ena
1182 */
1183 REG_INIT(AB8500_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1184 /*
1185 * 0x01, Vamic1_dzout
1186 * 0x02, Vamic2_dzout
1187 */
1188 REG_INIT(AB8500_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1189 /*
1190 * 0x03, VpllRegu (NOTE! PRCMU register bits)
1191 * 0x0c, VanaRegu
1192 */
1193 REG_INIT(AB8500_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1194 /*
1195 * 0x01, VrefDDREna
1196 * 0x02, VrefDDRSleepMode
1197 */
1198 REG_INIT(AB8500_VREFDDR, 0x04, 0x07, 0x03),
1199 /*
1200 * 0x03, VextSupply1Regu
1201 * 0x0c, VextSupply2Regu
1202 * 0x30, VextSupply3Regu
1203 * 0x40, ExtSupply2Bypass
1204 * 0x80, ExtSupply3Bypass
1205 */
1206 REG_INIT(AB8500_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1207 /*
1208 * 0x03, Vaux1Regu
1209 * 0x0c, Vaux2Regu
1210 */
1211 REG_INIT(AB8500_VAUX12REGU, 0x04, 0x09, 0x0f),
1212 /*
1213 * 0x03, Vaux3Regu
1214 */
1215 REG_INIT(AB8500_VRF1VAUX3REGU, 0x04, 0x0a, 0x03),
1216 /*
1217 * 0x0f, Vaux1Sel
1218 */
1219 REG_INIT(AB8500_VAUX1SEL, 0x04, 0x1f, 0x0f),
1220 /*
1221 * 0x0f, Vaux2Sel
1222 */
1223 REG_INIT(AB8500_VAUX2SEL, 0x04, 0x20, 0x0f),
1224 /*
1225 * 0x07, Vaux3Sel
1226 */
1227 REG_INIT(AB8500_VRF1VAUX3SEL, 0x04, 0x21, 0x07),
1228 /*
1229 * 0x01, VextSupply12LP
1230 */
1231 REG_INIT(AB8500_REGUCTRL2SPARE, 0x04, 0x22, 0x01),
1232 /*
1233 * 0x04, Vaux1Disch
1234 * 0x08, Vaux2Disch
1235 * 0x10, Vaux3Disch
1236 * 0x20, Vintcore12Disch
1237 * 0x40, VTVoutDisch
1238 * 0x80, VaudioDisch
1239 */
1240 REG_INIT(AB8500_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1241 /*
1242 * 0x02, VanaDisch
1243 * 0x04, VdmicPullDownEna
1244 * 0x10, VdmicDisch
1245 */
1246 REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1247 };
1248
1249 /* AB8505 register init */
1250 static struct ab8500_reg_init ab8505_reg_init[] = {
1251 /*
1252 * 0x03, VarmRequestCtrl
1253 * 0x0c, VsmpsCRequestCtrl
1254 * 0x30, VsmpsARequestCtrl
1255 * 0xc0, VsmpsBRequestCtrl
1256 */
1257 REG_INIT(AB8505_REGUREQUESTCTRL1, 0x03, 0x03, 0xff),
1258 /*
1259 * 0x03, VsafeRequestCtrl
1260 * 0x0c, VpllRequestCtrl
1261 * 0x30, VanaRequestCtrl
1262 */
1263 REG_INIT(AB8505_REGUREQUESTCTRL2, 0x03, 0x04, 0x3f),
1264 /*
1265 * 0x30, Vaux1RequestCtrl
1266 * 0xc0, Vaux2RequestCtrl
1267 */
1268 REG_INIT(AB8505_REGUREQUESTCTRL3, 0x03, 0x05, 0xf0),
1269 /*
1270 * 0x03, Vaux3RequestCtrl
1271 * 0x04, SwHPReq
1272 */
1273 REG_INIT(AB8505_REGUREQUESTCTRL4, 0x03, 0x06, 0x07),
1274 /*
1275 * 0x01, VsmpsASysClkReq1HPValid
1276 * 0x02, VsmpsBSysClkReq1HPValid
1277 * 0x04, VsafeSysClkReq1HPValid
1278 * 0x08, VanaSysClkReq1HPValid
1279 * 0x10, VpllSysClkReq1HPValid
1280 * 0x20, Vaux1SysClkReq1HPValid
1281 * 0x40, Vaux2SysClkReq1HPValid
1282 * 0x80, Vaux3SysClkReq1HPValid
1283 */
1284 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1, 0x03, 0x07, 0xff),
1285 /*
1286 * 0x01, VsmpsCSysClkReq1HPValid
1287 * 0x02, VarmSysClkReq1HPValid
1288 * 0x04, VbbSysClkReq1HPValid
1289 * 0x08, VsmpsMSysClkReq1HPValid
1290 */
1291 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2, 0x03, 0x08, 0x0f),
1292 /*
1293 * 0x01, VsmpsAHwHPReq1Valid
1294 * 0x02, VsmpsBHwHPReq1Valid
1295 * 0x04, VsafeHwHPReq1Valid
1296 * 0x08, VanaHwHPReq1Valid
1297 * 0x10, VpllHwHPReq1Valid
1298 * 0x20, Vaux1HwHPReq1Valid
1299 * 0x40, Vaux2HwHPReq1Valid
1300 * 0x80, Vaux3HwHPReq1Valid
1301 */
1302 REG_INIT(AB8505_REGUHWHPREQ1VALID1, 0x03, 0x09, 0xff),
1303 /*
1304 * 0x08, VsmpsMHwHPReq1Valid
1305 */
1306 REG_INIT(AB8505_REGUHWHPREQ1VALID2, 0x03, 0x0a, 0x08),
1307 /*
1308 * 0x01, VsmpsAHwHPReq2Valid
1309 * 0x02, VsmpsBHwHPReq2Valid
1310 * 0x04, VsafeHwHPReq2Valid
1311 * 0x08, VanaHwHPReq2Valid
1312 * 0x10, VpllHwHPReq2Valid
1313 * 0x20, Vaux1HwHPReq2Valid
1314 * 0x40, Vaux2HwHPReq2Valid
1315 * 0x80, Vaux3HwHPReq2Valid
1316 */
1317 REG_INIT(AB8505_REGUHWHPREQ2VALID1, 0x03, 0x0b, 0xff),
1318 /*
1319 * 0x08, VsmpsMHwHPReq2Valid
1320 */
1321 REG_INIT(AB8505_REGUHWHPREQ2VALID2, 0x03, 0x0c, 0x08),
1322 /*
1323 * 0x01, VsmpsCSwHPReqValid
1324 * 0x02, VarmSwHPReqValid
1325 * 0x04, VsmpsASwHPReqValid
1326 * 0x08, VsmpsBSwHPReqValid
1327 * 0x10, VsafeSwHPReqValid
1328 * 0x20, VanaSwHPReqValid
1329 * 0x40, VpllSwHPReqValid
1330 * 0x80, Vaux1SwHPReqValid
1331 */
1332 REG_INIT(AB8505_REGUSWHPREQVALID1, 0x03, 0x0d, 0xff),
1333 /*
1334 * 0x01, Vaux2SwHPReqValid
1335 * 0x02, Vaux3SwHPReqValid
1336 * 0x20, VsmpsMSwHPReqValid
1337 */
1338 REG_INIT(AB8505_REGUSWHPREQVALID2, 0x03, 0x0e, 0x23),
1339 /*
1340 * 0x02, SysClkReq2Valid1
1341 * 0x04, SysClkReq3Valid1
1342 * 0x08, SysClkReq4Valid1
1343 */
1344 REG_INIT(AB8505_REGUSYSCLKREQVALID1, 0x03, 0x0f, 0x0e),
1345 /*
1346 * 0x02, SysClkReq2Valid2
1347 * 0x04, SysClkReq3Valid2
1348 * 0x08, SysClkReq4Valid2
1349 */
1350 REG_INIT(AB8505_REGUSYSCLKREQVALID2, 0x03, 0x10, 0x0e),
1351 /*
1352 * 0x01, Vaux4SwHPReqValid
1353 * 0x02, Vaux4HwHPReq2Valid
1354 * 0x04, Vaux4HwHPReq1Valid
1355 * 0x08, Vaux4SysClkReq1HPValid
1356 */
1357 REG_INIT(AB8505_REGUVAUX4REQVALID, 0x03, 0x11, 0x0f),
1358 /*
1359 * 0x02, VadcEna
1360 * 0x04, VintCore12Ena
1361 * 0x38, VintCore12Sel
1362 * 0x40, VintCore12LP
1363 * 0x80, VadcLP
1364 */
1365 REG_INIT(AB8505_REGUMISC1, 0x03, 0x80, 0xfe),
1366 /*
1367 * 0x02, VaudioEna
1368 * 0x04, VdmicEna
1369 * 0x08, Vamic1Ena
1370 * 0x10, Vamic2Ena
1371 */
1372 REG_INIT(AB8505_VAUDIOSUPPLY, 0x03, 0x83, 0x1e),
1373 /*
1374 * 0x01, Vamic1_dzout
1375 * 0x02, Vamic2_dzout
1376 */
1377 REG_INIT(AB8505_REGUCTRL1VAMIC, 0x03, 0x84, 0x03),
1378 /*
1379 * 0x03, VsmpsARegu
1380 * 0x0c, VsmpsASelCtrl
1381 * 0x10, VsmpsAAutoMode
1382 * 0x20, VsmpsAPWMMode
1383 */
1384 REG_INIT(AB8505_VSMPSAREGU, 0x04, 0x03, 0x3f),
1385 /*
1386 * 0x03, VsmpsBRegu
1387 * 0x0c, VsmpsBSelCtrl
1388 * 0x10, VsmpsBAutoMode
1389 * 0x20, VsmpsBPWMMode
1390 */
1391 REG_INIT(AB8505_VSMPSBREGU, 0x04, 0x04, 0x3f),
1392 /*
1393 * 0x03, VsafeRegu
1394 * 0x0c, VsafeSelCtrl
1395 * 0x10, VsafeAutoMode
1396 * 0x20, VsafePWMMode
1397 */
1398 REG_INIT(AB8505_VSAFEREGU, 0x04, 0x05, 0x3f),
1399 /*
1400 * 0x03, VpllRegu (NOTE! PRCMU register bits)
1401 * 0x0c, VanaRegu
1402 */
1403 REG_INIT(AB8505_VPLLVANAREGU, 0x04, 0x06, 0x0f),
1404 /*
1405 * 0x03, VextSupply1Regu
1406 * 0x0c, VextSupply2Regu
1407 * 0x30, VextSupply3Regu
1408 * 0x40, ExtSupply2Bypass
1409 * 0x80, ExtSupply3Bypass
1410 */
1411 REG_INIT(AB8505_EXTSUPPLYREGU, 0x04, 0x08, 0xff),
1412 /*
1413 * 0x03, Vaux1Regu
1414 * 0x0c, Vaux2Regu
1415 */
1416 REG_INIT(AB8505_VAUX12REGU, 0x04, 0x09, 0x0f),
1417 /*
1418 * 0x0f, Vaux3Regu
1419 */
1420 REG_INIT(AB8505_VRF1VAUX3REGU, 0x04, 0x0a, 0x0f),
1421 /*
1422 * 0x3f, VsmpsASel1
1423 */
1424 REG_INIT(AB8505_VSMPSASEL1, 0x04, 0x13, 0x3f),
1425 /*
1426 * 0x3f, VsmpsASel2
1427 */
1428 REG_INIT(AB8505_VSMPSASEL2, 0x04, 0x14, 0x3f),
1429 /*
1430 * 0x3f, VsmpsASel3
1431 */
1432 REG_INIT(AB8505_VSMPSASEL3, 0x04, 0x15, 0x3f),
1433 /*
1434 * 0x3f, VsmpsBSel1
1435 */
1436 REG_INIT(AB8505_VSMPSBSEL1, 0x04, 0x17, 0x3f),
1437 /*
1438 * 0x3f, VsmpsBSel2
1439 */
1440 REG_INIT(AB8505_VSMPSBSEL2, 0x04, 0x18, 0x3f),
1441 /*
1442 * 0x3f, VsmpsBSel3
1443 */
1444 REG_INIT(AB8505_VSMPSBSEL3, 0x04, 0x19, 0x3f),
1445 /*
1446 * 0x7f, VsafeSel1
1447 */
1448 REG_INIT(AB8505_VSAFESEL1, 0x04, 0x1b, 0x7f),
1449 /*
1450 * 0x3f, VsafeSel2
1451 */
1452 REG_INIT(AB8505_VSAFESEL2, 0x04, 0x1c, 0x7f),
1453 /*
1454 * 0x3f, VsafeSel3
1455 */
1456 REG_INIT(AB8505_VSAFESEL3, 0x04, 0x1d, 0x7f),
1457 /*
1458 * 0x0f, Vaux1Sel
1459 */
1460 REG_INIT(AB8505_VAUX1SEL, 0x04, 0x1f, 0x0f),
1461 /*
1462 * 0x0f, Vaux2Sel
1463 */
1464 REG_INIT(AB8505_VAUX2SEL, 0x04, 0x20, 0x0f),
1465 /*
1466 * 0x07, Vaux3Sel
1467 * 0x30, VRF1Sel
1468 */
1469 REG_INIT(AB8505_VRF1VAUX3SEL, 0x04, 0x21, 0x37),
1470 /*
1471 * 0x03, Vaux4RequestCtrl
1472 */
1473 REG_INIT(AB8505_VAUX4REQCTRL, 0x04, 0x2d, 0x03),
1474 /*
1475 * 0x03, Vaux4Regu
1476 */
1477 REG_INIT(AB8505_VAUX4REGU, 0x04, 0x2e, 0x03),
1478 /*
1479 * 0x0f, Vaux4Sel
1480 */
1481 REG_INIT(AB8505_VAUX4SEL, 0x04, 0x2f, 0x0f),
1482 /*
1483 * 0x04, Vaux1Disch
1484 * 0x08, Vaux2Disch
1485 * 0x10, Vaux3Disch
1486 * 0x20, Vintcore12Disch
1487 * 0x40, VTVoutDisch
1488 * 0x80, VaudioDisch
1489 */
1490 REG_INIT(AB8505_REGUCTRLDISCH, 0x04, 0x43, 0xfc),
1491 /*
1492 * 0x02, VanaDisch
1493 * 0x04, VdmicPullDownEna
1494 * 0x10, VdmicDisch
1495 */
1496 REG_INIT(AB8505_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
1497 /*
1498 * 0x01, Vaux4Disch
1499 */
1500 REG_INIT(AB8505_REGUCTRLDISCH3, 0x04, 0x48, 0x01),
1501 /*
1502 * 0x07, Vaux5Sel
1503 * 0x08, Vaux5LP
1504 * 0x10, Vaux5Ena
1505 * 0x20, Vaux5Disch
1506 * 0x40, Vaux5DisSfst
1507 * 0x80, Vaux5DisPulld
1508 */
1509 REG_INIT(AB8505_CTRLVAUX5, 0x01, 0x55, 0xff),
1510 /*
1511 * 0x07, Vaux6Sel
1512 * 0x08, Vaux6LP
1513 * 0x10, Vaux6Ena
1514 * 0x80, Vaux6DisPulld
1515 */
1516 REG_INIT(AB8505_CTRLVAUX6, 0x01, 0x56, 0x9f),
1517 };
1518
1519 static struct of_regulator_match ab8500_regulator_match[] = {
1520 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8500_LDO_AUX1, },
1521 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8500_LDO_AUX2, },
1522 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8500_LDO_AUX3, },
1523 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
1524 { .name = "ab8500_ldo_tvout", .driver_data = (void *) AB8500_LDO_TVOUT, },
1525 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8500_LDO_AUDIO, },
1526 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
1527 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
1528 { .name = "ab8500_ldo_dmic", .driver_data = (void *) AB8500_LDO_DMIC, },
1529 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8500_LDO_ANA, },
1530 };
1531
1532 static struct of_regulator_match ab8505_regulator_match[] = {
1533 { .name = "ab8500_ldo_aux1", .driver_data = (void *) AB8505_LDO_AUX1, },
1534 { .name = "ab8500_ldo_aux2", .driver_data = (void *) AB8505_LDO_AUX2, },
1535 { .name = "ab8500_ldo_aux3", .driver_data = (void *) AB8505_LDO_AUX3, },
1536 { .name = "ab8500_ldo_aux4", .driver_data = (void *) AB8505_LDO_AUX4, },
1537 { .name = "ab8500_ldo_aux5", .driver_data = (void *) AB8505_LDO_AUX5, },
1538 { .name = "ab8500_ldo_aux6", .driver_data = (void *) AB8505_LDO_AUX6, },
1539 { .name = "ab8500_ldo_intcore", .driver_data = (void *) AB8505_LDO_INTCORE, },
1540 { .name = "ab8500_ldo_adc", .driver_data = (void *) AB8505_LDO_ADC, },
1541 { .name = "ab8500_ldo_audio", .driver_data = (void *) AB8505_LDO_AUDIO, },
1542 { .name = "ab8500_ldo_anamic1", .driver_data = (void *) AB8505_LDO_ANAMIC1, },
1543 { .name = "ab8500_ldo_anamic2", .driver_data = (void *) AB8505_LDO_ANAMIC2, },
1544 { .name = "ab8500_ldo_aux8", .driver_data = (void *) AB8505_LDO_AUX8, },
1545 { .name = "ab8500_ldo_ana", .driver_data = (void *) AB8505_LDO_ANA, },
1546 };
1547
1548 static struct {
1549 struct ab8500_regulator_info *info;
1550 int info_size;
1551 struct ab8500_reg_init *init;
1552 int init_size;
1553 struct of_regulator_match *match;
1554 int match_size;
1555 } abx500_regulator;
1556
1557 static void abx500_get_regulator_info(struct ab8500 *ab8500)
1558 {
1559 if (is_ab8505(ab8500)) {
1560 abx500_regulator.info = ab8505_regulator_info;
1561 abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info);
1562 abx500_regulator.init = ab8505_reg_init;
1563 abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS;
1564 abx500_regulator.match = ab8505_regulator_match;
1565 abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match);
1566 } else {
1567 abx500_regulator.info = ab8500_regulator_info;
1568 abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info);
1569 abx500_regulator.init = ab8500_reg_init;
1570 abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS;
1571 abx500_regulator.match = ab8500_regulator_match;
1572 abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match);
1573 }
1574 }
1575
1576 static int ab8500_regulator_register(struct platform_device *pdev,
1577 struct regulator_init_data *init_data,
1578 int id, struct device_node *np)
1579 {
1580 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1581 struct ab8500_regulator_info *info = NULL;
1582 struct regulator_config config = { };
1583 struct regulator_dev *rdev;
1584
1585 /* assign per-regulator data */
1586 info = &abx500_regulator.info[id];
1587 info->dev = &pdev->dev;
1588
1589 config.dev = &pdev->dev;
1590 config.init_data = init_data;
1591 config.driver_data = info;
1592 config.of_node = np;
1593
1594 /* fix for hardware before ab8500v2.0 */
1595 if (is_ab8500_1p1_or_earlier(ab8500)) {
1596 if (info->desc.id == AB8500_LDO_AUX3) {
1597 info->desc.n_voltages =
1598 ARRAY_SIZE(ldo_vauxn_voltages);
1599 info->desc.volt_table = ldo_vauxn_voltages;
1600 info->voltage_mask = 0xf;
1601 }
1602 }
1603
1604 /* register regulator with framework */
1605 rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
1606 if (IS_ERR(rdev)) {
1607 dev_err(&pdev->dev, "failed to register regulator %s\n",
1608 info->desc.name);
1609 return PTR_ERR(rdev);
1610 }
1611
1612 return 0;
1613 }
1614
1615 static int ab8500_regulator_probe(struct platform_device *pdev)
1616 {
1617 struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
1618 struct device_node *np = pdev->dev.of_node;
1619 struct of_regulator_match *match;
1620 int err, i;
1621
1622 if (!ab8500) {
1623 dev_err(&pdev->dev, "null mfd parent\n");
1624 return -EINVAL;
1625 }
1626
1627 abx500_get_regulator_info(ab8500);
1628
1629 err = of_regulator_match(&pdev->dev, np,
1630 abx500_regulator.match,
1631 abx500_regulator.match_size);
1632 if (err < 0) {
1633 dev_err(&pdev->dev,
1634 "Error parsing regulator init data: %d\n", err);
1635 return err;
1636 }
1637
1638 match = abx500_regulator.match;
1639 for (i = 0; i < abx500_regulator.info_size; i++) {
1640 err = ab8500_regulator_register(pdev, match[i].init_data, i,
1641 match[i].of_node);
1642 if (err)
1643 return err;
1644 }
1645
1646 return 0;
1647 }
1648
1649 static struct platform_driver ab8500_regulator_driver = {
1650 .probe = ab8500_regulator_probe,
1651 .driver = {
1652 .name = "ab8500-regulator",
1653 },
1654 };
1655
1656 static int __init ab8500_regulator_init(void)
1657 {
1658 int ret;
1659
1660 ret = platform_driver_register(&ab8500_regulator_driver);
1661 if (ret != 0)
1662 pr_err("Failed to register ab8500 regulator: %d\n", ret);
1663
1664 return ret;
1665 }
1666 subsys_initcall(ab8500_regulator_init);
1667
1668 static void __exit ab8500_regulator_exit(void)
1669 {
1670 platform_driver_unregister(&ab8500_regulator_driver);
1671 }
1672 module_exit(ab8500_regulator_exit);
1673
1674 MODULE_LICENSE("GPL v2");
1675 MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
1676 MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
1677 MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>");
1678 MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
1679 MODULE_ALIAS("platform:ab8500-regulator");
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