2 * Copyright (C) ST-Ericsson SA 2010
4 * License Terms: GNU General Public License v2
6 * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
7 * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
8 * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson
10 * AB8500 peripheral regulators
12 * AB8500 supports the following regulators:
13 * VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
15 * AB8505 supports the following regulators:
16 * VAUX1/2/3/4/5/6, VINTCORE, VADC, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
18 #include <linux/init.h>
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/err.h>
22 #include <linux/platform_device.h>
23 #include <linux/mfd/abx500.h>
24 #include <linux/mfd/abx500/ab8500.h>
26 #include <linux/regulator/of_regulator.h>
27 #include <linux/regulator/driver.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/regulator/ab8500.h>
30 #include <linux/slab.h>
33 * struct ab8500_shared_mode - is used when mode is shared between
35 * @shared_regulator: pointer to the other sharing regulator
36 * @lp_mode_req: low power mode requested by this regulator
38 struct ab8500_shared_mode
{
39 struct ab8500_regulator_info
*shared_regulator
;
44 * struct ab8500_regulator_info - ab8500 regulator information
45 * @dev: device pointer
46 * @desc: regulator description
47 * @regulator_dev: regulator device
48 * @shared_mode: used when mode is shared between two regulators
49 * @load_lp_uA: maximum load in idle (low power) mode
50 * @update_bank: bank to control on/off
51 * @update_reg: register to control on/off
52 * @update_mask: mask to enable/disable and set mode of regulator
53 * @update_val: bits holding the regulator current mode
54 * @update_val_idle: bits to enable the regulator in idle (low power) mode
55 * @update_val_normal: bits to enable the regulator in normal (high power) mode
56 * @mode_bank: bank with location of mode register
57 * @mode_reg: mode register
58 * @mode_mask: mask for setting mode
59 * @mode_val_idle: mode setting for low power
60 * @mode_val_normal: mode setting for normal power
61 * @voltage_bank: bank to control regulator voltage
62 * @voltage_reg: register to control regulator voltage
63 * @voltage_mask: mask to control regulator voltage
65 struct ab8500_regulator_info
{
67 struct regulator_desc desc
;
68 struct regulator_dev
*regulator
;
69 struct ab8500_shared_mode
*shared_mode
;
93 /* voltage tables for the vauxn/vintcore supplies */
94 static const unsigned int ldo_vauxn_voltages
[] = {
113 static const unsigned int ldo_vaux3_voltages
[] = {
124 static const unsigned int ldo_vaux56_voltages
[] = {
135 static const unsigned int ldo_vintcore_voltages
[] = {
145 static const unsigned int ldo_sdio_voltages
[] = {
156 static const unsigned int fixed_1200000_voltage
[] = {
160 static const unsigned int fixed_1800000_voltage
[] = {
164 static const unsigned int fixed_2000000_voltage
[] = {
168 static const unsigned int fixed_2050000_voltage
[] = {
172 static const unsigned int fixed_3300000_voltage
[] = {
176 static const unsigned int ldo_vana_voltages
[] = {
187 static const unsigned int ldo_vaudio_voltages
[] = {
195 2600000, /* Duplicated in Vaudio and IsoUicc Control register. */
198 static const unsigned int ldo_vdmic_voltages
[] = {
205 static DEFINE_MUTEX(shared_mode_mutex
);
206 static struct ab8500_shared_mode ldo_anamic1_shared
;
207 static struct ab8500_shared_mode ldo_anamic2_shared
;
209 static int ab8500_regulator_enable(struct regulator_dev
*rdev
)
212 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
215 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
219 ret
= abx500_mask_and_set_register_interruptible(info
->dev
,
220 info
->update_bank
, info
->update_reg
,
221 info
->update_mask
, info
->update_val
);
223 dev_err(rdev_get_dev(rdev
),
224 "couldn't set enable bits for regulator\n");
228 dev_vdbg(rdev_get_dev(rdev
),
229 "%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
230 info
->desc
.name
, info
->update_bank
, info
->update_reg
,
231 info
->update_mask
, info
->update_val
);
236 static int ab8500_regulator_disable(struct regulator_dev
*rdev
)
239 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
242 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
246 ret
= abx500_mask_and_set_register_interruptible(info
->dev
,
247 info
->update_bank
, info
->update_reg
,
248 info
->update_mask
, 0x0);
250 dev_err(rdev_get_dev(rdev
),
251 "couldn't set disable bits for regulator\n");
255 dev_vdbg(rdev_get_dev(rdev
),
256 "%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
257 info
->desc
.name
, info
->update_bank
, info
->update_reg
,
258 info
->update_mask
, 0x0);
263 static int ab8500_regulator_is_enabled(struct regulator_dev
*rdev
)
266 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
270 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
274 ret
= abx500_get_register_interruptible(info
->dev
,
275 info
->update_bank
, info
->update_reg
, ®val
);
277 dev_err(rdev_get_dev(rdev
),
278 "couldn't read 0x%x register\n", info
->update_reg
);
282 dev_vdbg(rdev_get_dev(rdev
),
283 "%s-is_enabled (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
285 info
->desc
.name
, info
->update_bank
, info
->update_reg
,
286 info
->update_mask
, regval
);
288 if (regval
& info
->update_mask
)
294 static unsigned int ab8500_regulator_get_optimum_mode(
295 struct regulator_dev
*rdev
, int input_uV
,
296 int output_uV
, int load_uA
)
300 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
303 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
307 if (load_uA
<= info
->load_lp_uA
)
308 mode
= REGULATOR_MODE_IDLE
;
310 mode
= REGULATOR_MODE_NORMAL
;
315 static int ab8500_regulator_set_mode(struct regulator_dev
*rdev
,
319 u8 bank
, reg
, mask
, val
;
320 bool lp_mode_req
= false;
321 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
324 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
328 if (info
->mode_mask
) {
329 bank
= info
->mode_bank
;
330 reg
= info
->mode_reg
;
331 mask
= info
->mode_mask
;
333 bank
= info
->update_bank
;
334 reg
= info
->update_reg
;
335 mask
= info
->update_mask
;
338 if (info
->shared_mode
)
339 mutex_lock(&shared_mode_mutex
);
342 case REGULATOR_MODE_NORMAL
:
343 if (info
->shared_mode
)
347 val
= info
->mode_val_normal
;
349 val
= info
->update_val_normal
;
351 case REGULATOR_MODE_IDLE
:
352 if (info
->shared_mode
) {
353 struct ab8500_regulator_info
*shared_regulator
;
355 shared_regulator
= info
->shared_mode
->shared_regulator
;
356 if (!shared_regulator
->shared_mode
->lp_mode_req
) {
357 /* Other regulator prevent LP mode */
358 info
->shared_mode
->lp_mode_req
= true;
366 val
= info
->mode_val_idle
;
368 val
= info
->update_val_idle
;
375 if (info
->mode_mask
|| ab8500_regulator_is_enabled(rdev
)) {
376 ret
= abx500_mask_and_set_register_interruptible(info
->dev
,
377 bank
, reg
, mask
, val
);
379 dev_err(rdev_get_dev(rdev
),
380 "couldn't set regulator mode\n");
384 dev_vdbg(rdev_get_dev(rdev
),
385 "%s-set_mode (bank, reg, mask, value): "
386 "0x%x, 0x%x, 0x%x, 0x%x\n",
387 info
->desc
.name
, bank
, reg
,
391 if (!info
->mode_mask
)
392 info
->update_val
= val
;
394 if (info
->shared_mode
)
395 info
->shared_mode
->lp_mode_req
= lp_mode_req
;
398 if (info
->shared_mode
)
399 mutex_unlock(&shared_mode_mutex
);
404 static unsigned int ab8500_regulator_get_mode(struct regulator_dev
*rdev
)
406 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
413 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
417 /* Need special handling for shared mode */
418 if (info
->shared_mode
) {
419 if (info
->shared_mode
->lp_mode_req
)
420 return REGULATOR_MODE_IDLE
;
422 return REGULATOR_MODE_NORMAL
;
425 if (info
->mode_mask
) {
426 /* Dedicated register for handling mode */
427 ret
= abx500_get_register_interruptible(info
->dev
,
428 info
->mode_bank
, info
->mode_reg
, &val
);
429 val
= val
& info
->mode_mask
;
431 val_normal
= info
->mode_val_normal
;
432 val_idle
= info
->mode_val_idle
;
434 /* Mode register same as enable register */
435 val
= info
->update_val
;
436 val_normal
= info
->update_val_normal
;
437 val_idle
= info
->update_val_idle
;
440 if (val
== val_normal
)
441 ret
= REGULATOR_MODE_NORMAL
;
442 else if (val
== val_idle
)
443 ret
= REGULATOR_MODE_IDLE
;
450 static int ab8500_regulator_get_voltage_sel(struct regulator_dev
*rdev
)
452 int ret
, voltage_shift
;
453 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
457 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
461 voltage_shift
= ffs(info
->voltage_mask
) - 1;
463 ret
= abx500_get_register_interruptible(info
->dev
,
464 info
->voltage_bank
, info
->voltage_reg
, ®val
);
466 dev_err(rdev_get_dev(rdev
),
467 "couldn't read voltage reg for regulator\n");
471 dev_vdbg(rdev_get_dev(rdev
),
472 "%s-get_voltage (bank, reg, mask, shift, value): "
473 "0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
474 info
->desc
.name
, info
->voltage_bank
,
475 info
->voltage_reg
, info
->voltage_mask
,
476 voltage_shift
, regval
);
478 return (regval
& info
->voltage_mask
) >> voltage_shift
;
481 static int ab8500_regulator_set_voltage_sel(struct regulator_dev
*rdev
,
484 int ret
, voltage_shift
;
485 struct ab8500_regulator_info
*info
= rdev_get_drvdata(rdev
);
489 dev_err(rdev_get_dev(rdev
), "regulator info null pointer\n");
493 voltage_shift
= ffs(info
->voltage_mask
) - 1;
495 /* set the registers for the request */
496 regval
= (u8
)selector
<< voltage_shift
;
497 ret
= abx500_mask_and_set_register_interruptible(info
->dev
,
498 info
->voltage_bank
, info
->voltage_reg
,
499 info
->voltage_mask
, regval
);
501 dev_err(rdev_get_dev(rdev
),
502 "couldn't set voltage reg for regulator\n");
504 dev_vdbg(rdev_get_dev(rdev
),
505 "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
507 info
->desc
.name
, info
->voltage_bank
, info
->voltage_reg
,
508 info
->voltage_mask
, regval
);
513 static struct regulator_ops ab8500_regulator_volt_mode_ops
= {
514 .enable
= ab8500_regulator_enable
,
515 .disable
= ab8500_regulator_disable
,
516 .is_enabled
= ab8500_regulator_is_enabled
,
517 .get_optimum_mode
= ab8500_regulator_get_optimum_mode
,
518 .set_mode
= ab8500_regulator_set_mode
,
519 .get_mode
= ab8500_regulator_get_mode
,
520 .get_voltage_sel
= ab8500_regulator_get_voltage_sel
,
521 .set_voltage_sel
= ab8500_regulator_set_voltage_sel
,
522 .list_voltage
= regulator_list_voltage_table
,
525 static struct regulator_ops ab8500_regulator_volt_ops
= {
526 .enable
= ab8500_regulator_enable
,
527 .disable
= ab8500_regulator_disable
,
528 .is_enabled
= ab8500_regulator_is_enabled
,
529 .get_voltage_sel
= ab8500_regulator_get_voltage_sel
,
530 .set_voltage_sel
= ab8500_regulator_set_voltage_sel
,
531 .list_voltage
= regulator_list_voltage_table
,
534 static struct regulator_ops ab8500_regulator_mode_ops
= {
535 .enable
= ab8500_regulator_enable
,
536 .disable
= ab8500_regulator_disable
,
537 .is_enabled
= ab8500_regulator_is_enabled
,
538 .get_optimum_mode
= ab8500_regulator_get_optimum_mode
,
539 .set_mode
= ab8500_regulator_set_mode
,
540 .get_mode
= ab8500_regulator_get_mode
,
541 .list_voltage
= regulator_list_voltage_table
,
544 static struct regulator_ops ab8500_regulator_ops
= {
545 .enable
= ab8500_regulator_enable
,
546 .disable
= ab8500_regulator_disable
,
547 .is_enabled
= ab8500_regulator_is_enabled
,
548 .list_voltage
= regulator_list_voltage_table
,
551 static struct regulator_ops ab8500_regulator_anamic_mode_ops
= {
552 .enable
= ab8500_regulator_enable
,
553 .disable
= ab8500_regulator_disable
,
554 .is_enabled
= ab8500_regulator_is_enabled
,
555 .set_mode
= ab8500_regulator_set_mode
,
556 .get_mode
= ab8500_regulator_get_mode
,
557 .list_voltage
= regulator_list_voltage_table
,
560 /* AB8500 regulator information */
561 static struct ab8500_regulator_info
562 ab8500_regulator_info
[AB8500_NUM_REGULATORS
] = {
564 * Variable Voltage Regulators
565 * name, min mV, max mV,
566 * update bank, reg, mask, enable val
567 * volt bank, reg, mask
569 [AB8500_LDO_AUX1
] = {
572 .ops
= &ab8500_regulator_volt_mode_ops
,
573 .type
= REGULATOR_VOLTAGE
,
574 .id
= AB8500_LDO_AUX1
,
575 .owner
= THIS_MODULE
,
576 .n_voltages
= ARRAY_SIZE(ldo_vauxn_voltages
),
577 .volt_table
= ldo_vauxn_voltages
,
579 .supply_name
= "vin",
586 .update_val_idle
= 0x03,
587 .update_val_normal
= 0x01,
588 .voltage_bank
= 0x04,
590 .voltage_mask
= 0x0f,
592 [AB8500_LDO_AUX2
] = {
595 .ops
= &ab8500_regulator_volt_mode_ops
,
596 .type
= REGULATOR_VOLTAGE
,
597 .id
= AB8500_LDO_AUX2
,
598 .owner
= THIS_MODULE
,
599 .n_voltages
= ARRAY_SIZE(ldo_vauxn_voltages
),
600 .volt_table
= ldo_vauxn_voltages
,
602 .supply_name
= "vin",
609 .update_val_idle
= 0x0c,
610 .update_val_normal
= 0x04,
611 .voltage_bank
= 0x04,
613 .voltage_mask
= 0x0f,
615 [AB8500_LDO_AUX3
] = {
618 .ops
= &ab8500_regulator_volt_mode_ops
,
619 .type
= REGULATOR_VOLTAGE
,
620 .id
= AB8500_LDO_AUX3
,
621 .owner
= THIS_MODULE
,
622 .n_voltages
= ARRAY_SIZE(ldo_vaux3_voltages
),
623 .volt_table
= ldo_vaux3_voltages
,
625 .supply_name
= "vin",
632 .update_val_idle
= 0x03,
633 .update_val_normal
= 0x01,
634 .voltage_bank
= 0x04,
636 .voltage_mask
= 0x07,
638 [AB8500_LDO_INTCORE
] = {
640 .name
= "LDO-INTCORE",
641 .ops
= &ab8500_regulator_volt_mode_ops
,
642 .type
= REGULATOR_VOLTAGE
,
643 .id
= AB8500_LDO_INTCORE
,
644 .owner
= THIS_MODULE
,
645 .n_voltages
= ARRAY_SIZE(ldo_vintcore_voltages
),
646 .volt_table
= ldo_vintcore_voltages
,
654 .update_val_idle
= 0x44,
655 .update_val_normal
= 0x04,
656 .voltage_bank
= 0x03,
658 .voltage_mask
= 0x38,
662 * Fixed Voltage Regulators
664 * update bank, reg, mask, enable val
666 [AB8500_LDO_TVOUT
] = {
669 .ops
= &ab8500_regulator_mode_ops
,
670 .type
= REGULATOR_VOLTAGE
,
671 .id
= AB8500_LDO_TVOUT
,
672 .owner
= THIS_MODULE
,
674 .volt_table
= fixed_2000000_voltage
,
682 .update_val_idle
= 0x82,
683 .update_val_normal
= 0x02,
685 [AB8500_LDO_AUDIO
] = {
688 .ops
= &ab8500_regulator_ops
,
689 .type
= REGULATOR_VOLTAGE
,
690 .id
= AB8500_LDO_AUDIO
,
691 .owner
= THIS_MODULE
,
694 .volt_table
= fixed_2000000_voltage
,
701 [AB8500_LDO_ANAMIC1
] = {
703 .name
= "LDO-ANAMIC1",
704 .ops
= &ab8500_regulator_ops
,
705 .type
= REGULATOR_VOLTAGE
,
706 .id
= AB8500_LDO_ANAMIC1
,
707 .owner
= THIS_MODULE
,
710 .volt_table
= fixed_2050000_voltage
,
717 [AB8500_LDO_ANAMIC2
] = {
719 .name
= "LDO-ANAMIC2",
720 .ops
= &ab8500_regulator_ops
,
721 .type
= REGULATOR_VOLTAGE
,
722 .id
= AB8500_LDO_ANAMIC2
,
723 .owner
= THIS_MODULE
,
726 .volt_table
= fixed_2050000_voltage
,
733 [AB8500_LDO_DMIC
] = {
736 .ops
= &ab8500_regulator_ops
,
737 .type
= REGULATOR_VOLTAGE
,
738 .id
= AB8500_LDO_DMIC
,
739 .owner
= THIS_MODULE
,
742 .volt_table
= fixed_1800000_voltage
,
751 * Regulators with fixed voltage and normal/idle modes
756 .ops
= &ab8500_regulator_mode_ops
,
757 .type
= REGULATOR_VOLTAGE
,
758 .id
= AB8500_LDO_ANA
,
759 .owner
= THIS_MODULE
,
762 .volt_table
= fixed_1200000_voltage
,
769 .update_val_idle
= 0x0c,
770 .update_val_normal
= 0x04,
774 /* AB8505 regulator information */
775 static struct ab8500_regulator_info
776 ab8505_regulator_info
[AB8505_NUM_REGULATORS
] = {
778 * Variable Voltage Regulators
779 * name, min mV, max mV,
780 * update bank, reg, mask, enable val
781 * volt bank, reg, mask
783 [AB8505_LDO_AUX1
] = {
786 .ops
= &ab8500_regulator_volt_mode_ops
,
787 .type
= REGULATOR_VOLTAGE
,
788 .id
= AB8505_LDO_AUX1
,
789 .owner
= THIS_MODULE
,
790 .n_voltages
= ARRAY_SIZE(ldo_vauxn_voltages
),
791 .volt_table
= ldo_vauxn_voltages
,
798 .update_val_idle
= 0x03,
799 .update_val_normal
= 0x01,
800 .voltage_bank
= 0x04,
802 .voltage_mask
= 0x0f,
804 [AB8505_LDO_AUX2
] = {
807 .ops
= &ab8500_regulator_volt_mode_ops
,
808 .type
= REGULATOR_VOLTAGE
,
809 .id
= AB8505_LDO_AUX2
,
810 .owner
= THIS_MODULE
,
811 .n_voltages
= ARRAY_SIZE(ldo_vauxn_voltages
),
812 .volt_table
= ldo_vauxn_voltages
,
819 .update_val_idle
= 0x0c,
820 .update_val_normal
= 0x04,
821 .voltage_bank
= 0x04,
823 .voltage_mask
= 0x0f,
825 [AB8505_LDO_AUX3
] = {
828 .ops
= &ab8500_regulator_volt_mode_ops
,
829 .type
= REGULATOR_VOLTAGE
,
830 .id
= AB8505_LDO_AUX3
,
831 .owner
= THIS_MODULE
,
832 .n_voltages
= ARRAY_SIZE(ldo_vaux3_voltages
),
833 .volt_table
= ldo_vaux3_voltages
,
840 .update_val_idle
= 0x03,
841 .update_val_normal
= 0x01,
842 .voltage_bank
= 0x04,
844 .voltage_mask
= 0x07,
846 [AB8505_LDO_AUX4
] = {
849 .ops
= &ab8500_regulator_volt_mode_ops
,
850 .type
= REGULATOR_VOLTAGE
,
851 .id
= AB8505_LDO_AUX4
,
852 .owner
= THIS_MODULE
,
853 .n_voltages
= ARRAY_SIZE(ldo_vauxn_voltages
),
854 .volt_table
= ldo_vauxn_voltages
,
857 /* values for Vaux4Regu register */
862 .update_val_idle
= 0x03,
863 .update_val_normal
= 0x01,
864 /* values for Vaux4SEL register */
865 .voltage_bank
= 0x04,
867 .voltage_mask
= 0x0f,
869 [AB8505_LDO_AUX5
] = {
872 .ops
= &ab8500_regulator_volt_mode_ops
,
873 .type
= REGULATOR_VOLTAGE
,
874 .id
= AB8505_LDO_AUX5
,
875 .owner
= THIS_MODULE
,
876 .n_voltages
= ARRAY_SIZE(ldo_vaux56_voltages
),
877 .volt_table
= ldo_vaux56_voltages
,
880 /* values for CtrlVaux5 register */
885 .update_val_idle
= 0x18,
886 .update_val_normal
= 0x10,
887 .voltage_bank
= 0x01,
889 .voltage_mask
= 0x07,
891 [AB8505_LDO_AUX6
] = {
894 .ops
= &ab8500_regulator_volt_mode_ops
,
895 .type
= REGULATOR_VOLTAGE
,
896 .id
= AB8505_LDO_AUX6
,
897 .owner
= THIS_MODULE
,
898 .n_voltages
= ARRAY_SIZE(ldo_vaux56_voltages
),
899 .volt_table
= ldo_vaux56_voltages
,
902 /* values for CtrlVaux6 register */
907 .update_val_idle
= 0x18,
908 .update_val_normal
= 0x10,
909 .voltage_bank
= 0x01,
911 .voltage_mask
= 0x07,
913 [AB8505_LDO_INTCORE
] = {
915 .name
= "LDO-INTCORE",
916 .ops
= &ab8500_regulator_volt_mode_ops
,
917 .type
= REGULATOR_VOLTAGE
,
918 .id
= AB8505_LDO_INTCORE
,
919 .owner
= THIS_MODULE
,
920 .n_voltages
= ARRAY_SIZE(ldo_vintcore_voltages
),
921 .volt_table
= ldo_vintcore_voltages
,
928 .update_val_idle
= 0x44,
929 .update_val_normal
= 0x04,
930 .voltage_bank
= 0x03,
932 .voltage_mask
= 0x38,
936 * Fixed Voltage Regulators
938 * update bank, reg, mask, enable val
943 .ops
= &ab8500_regulator_mode_ops
,
944 .type
= REGULATOR_VOLTAGE
,
945 .id
= AB8505_LDO_ADC
,
946 .owner
= THIS_MODULE
,
948 .volt_table
= fixed_2000000_voltage
,
949 .enable_time
= 10000,
956 .update_val_idle
= 0x82,
957 .update_val_normal
= 0x02,
962 .ops
= &ab8500_regulator_mode_ops
,
963 .type
= REGULATOR_VOLTAGE
,
964 .id
= AB8505_LDO_USB
,
965 .owner
= THIS_MODULE
,
967 .volt_table
= fixed_3300000_voltage
,
973 .update_val_idle
= 0x03,
974 .update_val_normal
= 0x01,
976 [AB8505_LDO_AUDIO
] = {
979 .ops
= &ab8500_regulator_volt_ops
,
980 .type
= REGULATOR_VOLTAGE
,
981 .id
= AB8505_LDO_AUDIO
,
982 .owner
= THIS_MODULE
,
983 .n_voltages
= ARRAY_SIZE(ldo_vaudio_voltages
),
984 .volt_table
= ldo_vaudio_voltages
,
990 .voltage_bank
= 0x01,
992 .voltage_mask
= 0x70,
994 [AB8505_LDO_ANAMIC1
] = {
996 .name
= "LDO-ANAMIC1",
997 .ops
= &ab8500_regulator_anamic_mode_ops
,
998 .type
= REGULATOR_VOLTAGE
,
999 .id
= AB8505_LDO_ANAMIC1
,
1000 .owner
= THIS_MODULE
,
1002 .volt_table
= fixed_2050000_voltage
,
1004 .shared_mode
= &ldo_anamic1_shared
,
1005 .update_bank
= 0x03,
1007 .update_mask
= 0x08,
1012 .mode_val_idle
= 0x04,
1013 .mode_val_normal
= 0x00,
1015 [AB8505_LDO_ANAMIC2
] = {
1017 .name
= "LDO-ANAMIC2",
1018 .ops
= &ab8500_regulator_anamic_mode_ops
,
1019 .type
= REGULATOR_VOLTAGE
,
1020 .id
= AB8505_LDO_ANAMIC2
,
1021 .owner
= THIS_MODULE
,
1023 .volt_table
= fixed_2050000_voltage
,
1025 .shared_mode
= &ldo_anamic2_shared
,
1026 .update_bank
= 0x03,
1028 .update_mask
= 0x10,
1033 .mode_val_idle
= 0x04,
1034 .mode_val_normal
= 0x00,
1036 [AB8505_LDO_AUX8
] = {
1039 .ops
= &ab8500_regulator_ops
,
1040 .type
= REGULATOR_VOLTAGE
,
1041 .id
= AB8505_LDO_AUX8
,
1042 .owner
= THIS_MODULE
,
1044 .volt_table
= fixed_1800000_voltage
,
1046 .update_bank
= 0x03,
1048 .update_mask
= 0x04,
1052 * Regulators with fixed voltage and normal/idle modes
1054 [AB8505_LDO_ANA
] = {
1057 .ops
= &ab8500_regulator_volt_mode_ops
,
1058 .type
= REGULATOR_VOLTAGE
,
1059 .id
= AB8505_LDO_ANA
,
1060 .owner
= THIS_MODULE
,
1061 .n_voltages
= ARRAY_SIZE(ldo_vana_voltages
),
1062 .volt_table
= ldo_vana_voltages
,
1065 .update_bank
= 0x04,
1067 .update_mask
= 0x0c,
1069 .update_val_idle
= 0x0c,
1070 .update_val_normal
= 0x04,
1071 .voltage_bank
= 0x04,
1072 .voltage_reg
= 0x29,
1073 .voltage_mask
= 0x7,
1077 static struct ab8500_shared_mode ldo_anamic1_shared
= {
1078 .shared_regulator
= &ab8505_regulator_info
[AB8505_LDO_ANAMIC2
],
1081 static struct ab8500_shared_mode ldo_anamic2_shared
= {
1082 .shared_regulator
= &ab8505_regulator_info
[AB8505_LDO_ANAMIC1
],
1085 struct ab8500_reg_init
{
1091 #define REG_INIT(_id, _bank, _addr, _mask) \
1098 /* AB8500 register init */
1099 static struct ab8500_reg_init ab8500_reg_init
[] = {
1101 * 0x30, VanaRequestCtrl
1102 * 0xc0, VextSupply1RequestCtrl
1104 REG_INIT(AB8500_REGUREQUESTCTRL2
, 0x03, 0x04, 0xf0),
1106 * 0x03, VextSupply2RequestCtrl
1107 * 0x0c, VextSupply3RequestCtrl
1108 * 0x30, Vaux1RequestCtrl
1109 * 0xc0, Vaux2RequestCtrl
1111 REG_INIT(AB8500_REGUREQUESTCTRL3
, 0x03, 0x05, 0xff),
1113 * 0x03, Vaux3RequestCtrl
1116 REG_INIT(AB8500_REGUREQUESTCTRL4
, 0x03, 0x06, 0x07),
1118 * 0x08, VanaSysClkReq1HPValid
1119 * 0x20, Vaux1SysClkReq1HPValid
1120 * 0x40, Vaux2SysClkReq1HPValid
1121 * 0x80, Vaux3SysClkReq1HPValid
1123 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID1
, 0x03, 0x07, 0xe8),
1125 * 0x10, VextSupply1SysClkReq1HPValid
1126 * 0x20, VextSupply2SysClkReq1HPValid
1127 * 0x40, VextSupply3SysClkReq1HPValid
1129 REG_INIT(AB8500_REGUSYSCLKREQ1HPVALID2
, 0x03, 0x08, 0x70),
1131 * 0x08, VanaHwHPReq1Valid
1132 * 0x20, Vaux1HwHPReq1Valid
1133 * 0x40, Vaux2HwHPReq1Valid
1134 * 0x80, Vaux3HwHPReq1Valid
1136 REG_INIT(AB8500_REGUHWHPREQ1VALID1
, 0x03, 0x09, 0xe8),
1138 * 0x01, VextSupply1HwHPReq1Valid
1139 * 0x02, VextSupply2HwHPReq1Valid
1140 * 0x04, VextSupply3HwHPReq1Valid
1142 REG_INIT(AB8500_REGUHWHPREQ1VALID2
, 0x03, 0x0a, 0x07),
1144 * 0x08, VanaHwHPReq2Valid
1145 * 0x20, Vaux1HwHPReq2Valid
1146 * 0x40, Vaux2HwHPReq2Valid
1147 * 0x80, Vaux3HwHPReq2Valid
1149 REG_INIT(AB8500_REGUHWHPREQ2VALID1
, 0x03, 0x0b, 0xe8),
1151 * 0x01, VextSupply1HwHPReq2Valid
1152 * 0x02, VextSupply2HwHPReq2Valid
1153 * 0x04, VextSupply3HwHPReq2Valid
1155 REG_INIT(AB8500_REGUHWHPREQ2VALID2
, 0x03, 0x0c, 0x07),
1157 * 0x20, VanaSwHPReqValid
1158 * 0x80, Vaux1SwHPReqValid
1160 REG_INIT(AB8500_REGUSWHPREQVALID1
, 0x03, 0x0d, 0xa0),
1162 * 0x01, Vaux2SwHPReqValid
1163 * 0x02, Vaux3SwHPReqValid
1164 * 0x04, VextSupply1SwHPReqValid
1165 * 0x08, VextSupply2SwHPReqValid
1166 * 0x10, VextSupply3SwHPReqValid
1168 REG_INIT(AB8500_REGUSWHPREQVALID2
, 0x03, 0x0e, 0x1f),
1170 * 0x02, SysClkReq2Valid1
1171 * 0x04, SysClkReq3Valid1
1172 * 0x08, SysClkReq4Valid1
1173 * 0x10, SysClkReq5Valid1
1174 * 0x20, SysClkReq6Valid1
1175 * 0x40, SysClkReq7Valid1
1176 * 0x80, SysClkReq8Valid1
1178 REG_INIT(AB8500_REGUSYSCLKREQVALID1
, 0x03, 0x0f, 0xfe),
1180 * 0x02, SysClkReq2Valid2
1181 * 0x04, SysClkReq3Valid2
1182 * 0x08, SysClkReq4Valid2
1183 * 0x10, SysClkReq5Valid2
1184 * 0x20, SysClkReq6Valid2
1185 * 0x40, SysClkReq7Valid2
1186 * 0x80, SysClkReq8Valid2
1188 REG_INIT(AB8500_REGUSYSCLKREQVALID2
, 0x03, 0x10, 0xfe),
1191 * 0x04, Vintcore12Ena
1192 * 0x38, Vintcore12Sel
1193 * 0x40, Vintcore12LP
1196 REG_INIT(AB8500_REGUMISC1
, 0x03, 0x80, 0xfe),
1203 REG_INIT(AB8500_VAUDIOSUPPLY
, 0x03, 0x83, 0x1e),
1205 * 0x01, Vamic1_dzout
1206 * 0x02, Vamic2_dzout
1208 REG_INIT(AB8500_REGUCTRL1VAMIC
, 0x03, 0x84, 0x03),
1210 * 0x03, VpllRegu (NOTE! PRCMU register bits)
1213 REG_INIT(AB8500_VPLLVANAREGU
, 0x04, 0x06, 0x0f),
1216 * 0x02, VrefDDRSleepMode
1218 REG_INIT(AB8500_VREFDDR
, 0x04, 0x07, 0x03),
1220 * 0x03, VextSupply1Regu
1221 * 0x0c, VextSupply2Regu
1222 * 0x30, VextSupply3Regu
1223 * 0x40, ExtSupply2Bypass
1224 * 0x80, ExtSupply3Bypass
1226 REG_INIT(AB8500_EXTSUPPLYREGU
, 0x04, 0x08, 0xff),
1231 REG_INIT(AB8500_VAUX12REGU
, 0x04, 0x09, 0x0f),
1235 REG_INIT(AB8500_VRF1VAUX3REGU
, 0x04, 0x0a, 0x03),
1239 REG_INIT(AB8500_VAUX1SEL
, 0x04, 0x1f, 0x0f),
1243 REG_INIT(AB8500_VAUX2SEL
, 0x04, 0x20, 0x0f),
1247 REG_INIT(AB8500_VRF1VAUX3SEL
, 0x04, 0x21, 0x07),
1249 * 0x01, VextSupply12LP
1251 REG_INIT(AB8500_REGUCTRL2SPARE
, 0x04, 0x22, 0x01),
1256 * 0x20, Vintcore12Disch
1260 REG_INIT(AB8500_REGUCTRLDISCH
, 0x04, 0x43, 0xfc),
1263 * 0x04, VdmicPullDownEna
1266 REG_INIT(AB8500_REGUCTRLDISCH2
, 0x04, 0x44, 0x16),
1269 /* AB8505 register init */
1270 static struct ab8500_reg_init ab8505_reg_init
[] = {
1272 * 0x03, VarmRequestCtrl
1273 * 0x0c, VsmpsCRequestCtrl
1274 * 0x30, VsmpsARequestCtrl
1275 * 0xc0, VsmpsBRequestCtrl
1277 REG_INIT(AB8505_REGUREQUESTCTRL1
, 0x03, 0x03, 0xff),
1279 * 0x03, VsafeRequestCtrl
1280 * 0x0c, VpllRequestCtrl
1281 * 0x30, VanaRequestCtrl
1283 REG_INIT(AB8505_REGUREQUESTCTRL2
, 0x03, 0x04, 0x3f),
1285 * 0x30, Vaux1RequestCtrl
1286 * 0xc0, Vaux2RequestCtrl
1288 REG_INIT(AB8505_REGUREQUESTCTRL3
, 0x03, 0x05, 0xf0),
1290 * 0x03, Vaux3RequestCtrl
1293 REG_INIT(AB8505_REGUREQUESTCTRL4
, 0x03, 0x06, 0x07),
1295 * 0x01, VsmpsASysClkReq1HPValid
1296 * 0x02, VsmpsBSysClkReq1HPValid
1297 * 0x04, VsafeSysClkReq1HPValid
1298 * 0x08, VanaSysClkReq1HPValid
1299 * 0x10, VpllSysClkReq1HPValid
1300 * 0x20, Vaux1SysClkReq1HPValid
1301 * 0x40, Vaux2SysClkReq1HPValid
1302 * 0x80, Vaux3SysClkReq1HPValid
1304 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1
, 0x03, 0x07, 0xff),
1306 * 0x01, VsmpsCSysClkReq1HPValid
1307 * 0x02, VarmSysClkReq1HPValid
1308 * 0x04, VbbSysClkReq1HPValid
1309 * 0x08, VsmpsMSysClkReq1HPValid
1311 REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2
, 0x03, 0x08, 0x0f),
1313 * 0x01, VsmpsAHwHPReq1Valid
1314 * 0x02, VsmpsBHwHPReq1Valid
1315 * 0x04, VsafeHwHPReq1Valid
1316 * 0x08, VanaHwHPReq1Valid
1317 * 0x10, VpllHwHPReq1Valid
1318 * 0x20, Vaux1HwHPReq1Valid
1319 * 0x40, Vaux2HwHPReq1Valid
1320 * 0x80, Vaux3HwHPReq1Valid
1322 REG_INIT(AB8505_REGUHWHPREQ1VALID1
, 0x03, 0x09, 0xff),
1324 * 0x08, VsmpsMHwHPReq1Valid
1326 REG_INIT(AB8505_REGUHWHPREQ1VALID2
, 0x03, 0x0a, 0x08),
1328 * 0x01, VsmpsAHwHPReq2Valid
1329 * 0x02, VsmpsBHwHPReq2Valid
1330 * 0x04, VsafeHwHPReq2Valid
1331 * 0x08, VanaHwHPReq2Valid
1332 * 0x10, VpllHwHPReq2Valid
1333 * 0x20, Vaux1HwHPReq2Valid
1334 * 0x40, Vaux2HwHPReq2Valid
1335 * 0x80, Vaux3HwHPReq2Valid
1337 REG_INIT(AB8505_REGUHWHPREQ2VALID1
, 0x03, 0x0b, 0xff),
1339 * 0x08, VsmpsMHwHPReq2Valid
1341 REG_INIT(AB8505_REGUHWHPREQ2VALID2
, 0x03, 0x0c, 0x08),
1343 * 0x01, VsmpsCSwHPReqValid
1344 * 0x02, VarmSwHPReqValid
1345 * 0x04, VsmpsASwHPReqValid
1346 * 0x08, VsmpsBSwHPReqValid
1347 * 0x10, VsafeSwHPReqValid
1348 * 0x20, VanaSwHPReqValid
1349 * 0x40, VpllSwHPReqValid
1350 * 0x80, Vaux1SwHPReqValid
1352 REG_INIT(AB8505_REGUSWHPREQVALID1
, 0x03, 0x0d, 0xff),
1354 * 0x01, Vaux2SwHPReqValid
1355 * 0x02, Vaux3SwHPReqValid
1356 * 0x20, VsmpsMSwHPReqValid
1358 REG_INIT(AB8505_REGUSWHPREQVALID2
, 0x03, 0x0e, 0x23),
1360 * 0x02, SysClkReq2Valid1
1361 * 0x04, SysClkReq3Valid1
1362 * 0x08, SysClkReq4Valid1
1364 REG_INIT(AB8505_REGUSYSCLKREQVALID1
, 0x03, 0x0f, 0x0e),
1366 * 0x02, SysClkReq2Valid2
1367 * 0x04, SysClkReq3Valid2
1368 * 0x08, SysClkReq4Valid2
1370 REG_INIT(AB8505_REGUSYSCLKREQVALID2
, 0x03, 0x10, 0x0e),
1372 * 0x01, Vaux4SwHPReqValid
1373 * 0x02, Vaux4HwHPReq2Valid
1374 * 0x04, Vaux4HwHPReq1Valid
1375 * 0x08, Vaux4SysClkReq1HPValid
1377 REG_INIT(AB8505_REGUVAUX4REQVALID
, 0x03, 0x11, 0x0f),
1380 * 0x04, VintCore12Ena
1381 * 0x38, VintCore12Sel
1382 * 0x40, VintCore12LP
1385 REG_INIT(AB8505_REGUMISC1
, 0x03, 0x80, 0xfe),
1392 REG_INIT(AB8505_VAUDIOSUPPLY
, 0x03, 0x83, 0x1e),
1394 * 0x01, Vamic1_dzout
1395 * 0x02, Vamic2_dzout
1397 REG_INIT(AB8505_REGUCTRL1VAMIC
, 0x03, 0x84, 0x03),
1400 * 0x0c, VsmpsASelCtrl
1401 * 0x10, VsmpsAAutoMode
1402 * 0x20, VsmpsAPWMMode
1404 REG_INIT(AB8505_VSMPSAREGU
, 0x04, 0x03, 0x3f),
1407 * 0x0c, VsmpsBSelCtrl
1408 * 0x10, VsmpsBAutoMode
1409 * 0x20, VsmpsBPWMMode
1411 REG_INIT(AB8505_VSMPSBREGU
, 0x04, 0x04, 0x3f),
1414 * 0x0c, VsafeSelCtrl
1415 * 0x10, VsafeAutoMode
1416 * 0x20, VsafePWMMode
1418 REG_INIT(AB8505_VSAFEREGU
, 0x04, 0x05, 0x3f),
1420 * 0x03, VpllRegu (NOTE! PRCMU register bits)
1423 REG_INIT(AB8505_VPLLVANAREGU
, 0x04, 0x06, 0x0f),
1425 * 0x03, VextSupply1Regu
1426 * 0x0c, VextSupply2Regu
1427 * 0x30, VextSupply3Regu
1428 * 0x40, ExtSupply2Bypass
1429 * 0x80, ExtSupply3Bypass
1431 REG_INIT(AB8505_EXTSUPPLYREGU
, 0x04, 0x08, 0xff),
1436 REG_INIT(AB8505_VAUX12REGU
, 0x04, 0x09, 0x0f),
1440 REG_INIT(AB8505_VRF1VAUX3REGU
, 0x04, 0x0a, 0x0f),
1444 REG_INIT(AB8505_VSMPSASEL1
, 0x04, 0x13, 0x3f),
1448 REG_INIT(AB8505_VSMPSASEL2
, 0x04, 0x14, 0x3f),
1452 REG_INIT(AB8505_VSMPSASEL3
, 0x04, 0x15, 0x3f),
1456 REG_INIT(AB8505_VSMPSBSEL1
, 0x04, 0x17, 0x3f),
1460 REG_INIT(AB8505_VSMPSBSEL2
, 0x04, 0x18, 0x3f),
1464 REG_INIT(AB8505_VSMPSBSEL3
, 0x04, 0x19, 0x3f),
1468 REG_INIT(AB8505_VSAFESEL1
, 0x04, 0x1b, 0x7f),
1472 REG_INIT(AB8505_VSAFESEL2
, 0x04, 0x1c, 0x7f),
1476 REG_INIT(AB8505_VSAFESEL3
, 0x04, 0x1d, 0x7f),
1480 REG_INIT(AB8505_VAUX1SEL
, 0x04, 0x1f, 0x0f),
1484 REG_INIT(AB8505_VAUX2SEL
, 0x04, 0x20, 0x0f),
1489 REG_INIT(AB8505_VRF1VAUX3SEL
, 0x04, 0x21, 0x37),
1491 * 0x03, Vaux4RequestCtrl
1493 REG_INIT(AB8505_VAUX4REQCTRL
, 0x04, 0x2d, 0x03),
1497 REG_INIT(AB8505_VAUX4REGU
, 0x04, 0x2e, 0x03),
1501 REG_INIT(AB8505_VAUX4SEL
, 0x04, 0x2f, 0x0f),
1506 * 0x20, Vintcore12Disch
1510 REG_INIT(AB8505_REGUCTRLDISCH
, 0x04, 0x43, 0xfc),
1513 * 0x04, VdmicPullDownEna
1516 REG_INIT(AB8505_REGUCTRLDISCH2
, 0x04, 0x44, 0x16),
1520 REG_INIT(AB8505_REGUCTRLDISCH3
, 0x04, 0x48, 0x01),
1526 * 0x40, Vaux5DisSfst
1527 * 0x80, Vaux5DisPulld
1529 REG_INIT(AB8505_CTRLVAUX5
, 0x01, 0x55, 0xff),
1534 * 0x80, Vaux6DisPulld
1536 REG_INIT(AB8505_CTRLVAUX6
, 0x01, 0x56, 0x9f),
1539 static struct of_regulator_match ab8500_regulator_match
[] = {
1540 { .name
= "ab8500_ldo_aux1", .driver_data
= (void *) AB8500_LDO_AUX1
, },
1541 { .name
= "ab8500_ldo_aux2", .driver_data
= (void *) AB8500_LDO_AUX2
, },
1542 { .name
= "ab8500_ldo_aux3", .driver_data
= (void *) AB8500_LDO_AUX3
, },
1543 { .name
= "ab8500_ldo_intcore", .driver_data
= (void *) AB8500_LDO_INTCORE
, },
1544 { .name
= "ab8500_ldo_tvout", .driver_data
= (void *) AB8500_LDO_TVOUT
, },
1545 { .name
= "ab8500_ldo_audio", .driver_data
= (void *) AB8500_LDO_AUDIO
, },
1546 { .name
= "ab8500_ldo_anamic1", .driver_data
= (void *) AB8500_LDO_ANAMIC1
, },
1547 { .name
= "ab8500_ldo_anamic2", .driver_data
= (void *) AB8500_LDO_ANAMIC2
, },
1548 { .name
= "ab8500_ldo_dmic", .driver_data
= (void *) AB8500_LDO_DMIC
, },
1549 { .name
= "ab8500_ldo_ana", .driver_data
= (void *) AB8500_LDO_ANA
, },
1552 static struct of_regulator_match ab8505_regulator_match
[] = {
1553 { .name
= "ab8500_ldo_aux1", .driver_data
= (void *) AB8505_LDO_AUX1
, },
1554 { .name
= "ab8500_ldo_aux2", .driver_data
= (void *) AB8505_LDO_AUX2
, },
1555 { .name
= "ab8500_ldo_aux3", .driver_data
= (void *) AB8505_LDO_AUX3
, },
1556 { .name
= "ab8500_ldo_aux4", .driver_data
= (void *) AB8505_LDO_AUX4
, },
1557 { .name
= "ab8500_ldo_aux5", .driver_data
= (void *) AB8505_LDO_AUX5
, },
1558 { .name
= "ab8500_ldo_aux6", .driver_data
= (void *) AB8505_LDO_AUX6
, },
1559 { .name
= "ab8500_ldo_intcore", .driver_data
= (void *) AB8505_LDO_INTCORE
, },
1560 { .name
= "ab8500_ldo_adc", .driver_data
= (void *) AB8505_LDO_ADC
, },
1561 { .name
= "ab8500_ldo_audio", .driver_data
= (void *) AB8505_LDO_AUDIO
, },
1562 { .name
= "ab8500_ldo_anamic1", .driver_data
= (void *) AB8505_LDO_ANAMIC1
, },
1563 { .name
= "ab8500_ldo_anamic2", .driver_data
= (void *) AB8505_LDO_ANAMIC2
, },
1564 { .name
= "ab8500_ldo_aux8", .driver_data
= (void *) AB8505_LDO_AUX8
, },
1565 { .name
= "ab8500_ldo_ana", .driver_data
= (void *) AB8505_LDO_ANA
, },
1569 struct ab8500_regulator_info
*info
;
1571 struct ab8500_reg_init
*init
;
1573 struct of_regulator_match
*match
;
1577 static void abx500_get_regulator_info(struct ab8500
*ab8500
)
1579 if (is_ab8505(ab8500
)) {
1580 abx500_regulator
.info
= ab8505_regulator_info
;
1581 abx500_regulator
.info_size
= ARRAY_SIZE(ab8505_regulator_info
);
1582 abx500_regulator
.init
= ab8505_reg_init
;
1583 abx500_regulator
.init_size
= AB8505_NUM_REGULATOR_REGISTERS
;
1584 abx500_regulator
.match
= ab8505_regulator_match
;
1585 abx500_regulator
.match_size
= ARRAY_SIZE(ab8505_regulator_match
);
1587 abx500_regulator
.info
= ab8500_regulator_info
;
1588 abx500_regulator
.info_size
= ARRAY_SIZE(ab8500_regulator_info
);
1589 abx500_regulator
.init
= ab8500_reg_init
;
1590 abx500_regulator
.init_size
= AB8500_NUM_REGULATOR_REGISTERS
;
1591 abx500_regulator
.match
= ab8500_regulator_match
;
1592 abx500_regulator
.match_size
= ARRAY_SIZE(ab8500_regulator_match
);
1596 static int ab8500_regulator_register(struct platform_device
*pdev
,
1597 struct regulator_init_data
*init_data
,
1598 int id
, struct device_node
*np
)
1600 struct ab8500
*ab8500
= dev_get_drvdata(pdev
->dev
.parent
);
1601 struct ab8500_regulator_info
*info
= NULL
;
1602 struct regulator_config config
= { };
1604 /* assign per-regulator data */
1605 info
= &abx500_regulator
.info
[id
];
1606 info
->dev
= &pdev
->dev
;
1608 config
.dev
= &pdev
->dev
;
1609 config
.init_data
= init_data
;
1610 config
.driver_data
= info
;
1611 config
.of_node
= np
;
1613 /* fix for hardware before ab8500v2.0 */
1614 if (is_ab8500_1p1_or_earlier(ab8500
)) {
1615 if (info
->desc
.id
== AB8500_LDO_AUX3
) {
1616 info
->desc
.n_voltages
=
1617 ARRAY_SIZE(ldo_vauxn_voltages
);
1618 info
->desc
.volt_table
= ldo_vauxn_voltages
;
1619 info
->voltage_mask
= 0xf;
1623 /* register regulator with framework */
1624 info
->regulator
= devm_regulator_register(&pdev
->dev
, &info
->desc
,
1626 if (IS_ERR(info
->regulator
)) {
1627 dev_err(&pdev
->dev
, "failed to register regulator %s\n",
1629 return PTR_ERR(info
->regulator
);
1635 static int ab8500_regulator_probe(struct platform_device
*pdev
)
1637 struct ab8500
*ab8500
= dev_get_drvdata(pdev
->dev
.parent
);
1638 struct device_node
*np
= pdev
->dev
.of_node
;
1639 struct of_regulator_match
*match
;
1643 dev_err(&pdev
->dev
, "null mfd parent\n");
1647 abx500_get_regulator_info(ab8500
);
1649 err
= of_regulator_match(&pdev
->dev
, np
,
1650 abx500_regulator
.match
,
1651 abx500_regulator
.match_size
);
1654 "Error parsing regulator init data: %d\n", err
);
1658 match
= abx500_regulator
.match
;
1659 for (i
= 0; i
< abx500_regulator
.info_size
; i
++) {
1660 err
= ab8500_regulator_register(pdev
, match
[i
].init_data
, i
,
1669 static struct platform_driver ab8500_regulator_driver
= {
1670 .probe
= ab8500_regulator_probe
,
1672 .name
= "ab8500-regulator",
1676 static int __init
ab8500_regulator_init(void)
1680 ret
= platform_driver_register(&ab8500_regulator_driver
);
1682 pr_err("Failed to register ab8500 regulator: %d\n", ret
);
1686 subsys_initcall(ab8500_regulator_init
);
1688 static void __exit
ab8500_regulator_exit(void)
1690 platform_driver_unregister(&ab8500_regulator_driver
);
1692 module_exit(ab8500_regulator_exit
);
1694 MODULE_LICENSE("GPL v2");
1695 MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
1696 MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
1697 MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>");
1698 MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
1699 MODULE_ALIAS("platform:ab8500-regulator");