History

Merge remote-tracking branches 'regulator/topic/tps65086' and 'regulator/topic/twl' into regulator-next

Mark Brown committed 9 years ago

Commit d00b7463 parents 56e3d92 f819288 3498c5e5 files · +815 −657Browse files

Unified · Split

5 files
  1. MAINTAINERS +1 −0
  2. drivers/regulator/Makefile +1 −1
  3. drivers/regulator/tps65086-regulator.c +2 −1
  4. drivers/regulator/twl-regulator.c +18 −655
  5. drivers/regulator/twl6030-regulator.c +793 −0
MAINTAINERS+1−0
@@ -8748,6 +8748,7 @@ F: drivers/regulator/tps65217-regulator.c · 8747 unmodified lines
8748F: drivers/regulator/tps65218-regulator.c8748F: drivers/regulator/tps65218-regulator.c
8749F: drivers/regulator/tps65910-regulator.c8749F: drivers/regulator/tps65910-regulator.c
8750F: drivers/regulator/twl-regulator.c8750F: drivers/regulator/twl-regulator.c
8751F: drivers/regulator/twl6030-regulator.c
8751F: include/linux/i2c-omap.h8752F: include/linux/i2c-omap.h
8752 8753
8753OMAP DEVICE TREE SUPPORT8754OMAP DEVICE TREE SUPPORT
drivers/regulator/Makefile+1−1
@@ -104,7 +104,7 @@ obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o · 103 unmodified lines
104obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o104obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
105obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o105obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
106obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o106obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o
107obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o107obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o twl6030-regulator.o
108obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o108obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o
109obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o109obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
110obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o110obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
drivers/regulator/tps65086-regulator.c+2−1
@@ -77,7 +77,8 @@ static const struct regulator_linear_range tps65086_10mv_ranges[] = { · 76 unmodified lines
77};77};
78 78
79static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {79static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {
80 REGULATOR_LINEAR_RANGE(1000000, 0x0, 0x18, 0),80 REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
81 REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x18, 0),
81 REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),82 REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),
82};83};
83 84
drivers/regulator/twl-regulator.c+18−655
@@ -24,7 +24,7 @@ · 23 unmodified lines
24#include <linux/delay.h>24#include <linux/delay.h>
25 25
26/*26/*
27 * The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a27 * The TWL4030/TW5030/TPS659x0 family chips include power management, a
28 * USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions28 * USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions
29 * include an audio codec, battery charger, and more voltage regulators.29 * include an audio codec, battery charger, and more voltage regulators.
30 * These chips are often used in OMAP-based systems.30 * These chips are often used in OMAP-based systems.
@@ -48,25 +48,12 @@ struct twlreg_info { · 17 unmodified lines
48 /* State REMAP default configuration */48 /* State REMAP default configuration */
49 u8 remap;49 u8 remap;
50 50
51 /* chip constraints on regulator behavior */
52 u16 min_mV;
53 u16 max_mV;
54
55 u8 flags;
56
57 /* used by regulator core */51 /* used by regulator core */
58 struct regulator_desc desc;52 struct regulator_desc desc;
59 53
60 /* chip specific features */54 /* chip specific features */
61 unsigned long features;55 unsigned long features;
62 56
63 /*
64 * optional override functions for voltage set/get
65 * these are currently only used for SMPS regulators
66 */
67 int (*get_voltage)(void *data);
68 int (*set_voltage)(void *data, int target_uV);
69
70 /* data passed from board for external get/set voltage */57 /* data passed from board for external get/set voltage */
71 void *data;58 void *data;
72};59};
@@ -88,33 +75,6 @@ struct twlreg_info { · 15 unmodified lines
88#define VREG_STATE 275#define VREG_STATE 2
89#define VREG_VOLTAGE 376#define VREG_VOLTAGE 3
90#define VREG_VOLTAGE_SMPS 477#define VREG_VOLTAGE_SMPS 4
91/* TWL6030 Misc register offsets */
92#define VREG_BC_ALL 1
93#define VREG_BC_REF 2
94#define VREG_BC_PROC 3
95#define VREG_BC_CLK_RST 4
96
97/* TWL6030 LDO register values for CFG_STATE */
98#define TWL6030_CFG_STATE_OFF 0x00
99#define TWL6030_CFG_STATE_ON 0x01
100#define TWL6030_CFG_STATE_OFF2 0x02
101#define TWL6030_CFG_STATE_SLEEP 0x03
102#define TWL6030_CFG_STATE_GRP_SHIFT 5
103#define TWL6030_CFG_STATE_APP_SHIFT 2
104#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
105#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
106 TWL6030_CFG_STATE_APP_SHIFT)
107
108/* Flags for SMPS Voltage reading */
109#define SMPS_OFFSET_EN BIT(0)
110#define SMPS_EXTENDED_EN BIT(1)
111
112/* twl6032 SMPS EPROM values */
113#define TWL6030_SMPS_OFFSET 0xB0
114#define TWL6030_SMPS_MULT 0xB3
115#define SMPS_MULTOFFSET_SMPS4 BIT(0)
116#define SMPS_MULTOFFSET_VIO BIT(1)
117#define SMPS_MULTOFFSET_SMPS3 BIT(6)
118 78
119static inline int79static inline int
120twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)80twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
@@ -168,26 +128,6 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev) · 47 unmodified lines
168 return state & P1_GRP_4030;128 return state & P1_GRP_4030;
169}129}
170 130
171static int twl6030reg_is_enabled(struct regulator_dev *rdev)
172{
173 struct twlreg_info *info = rdev_get_drvdata(rdev);
174 int grp = 0, val;
175
176 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
177 grp = twlreg_grp(rdev);
178 if (grp < 0)
179 return grp;
180 grp &= P1_GRP_6030;
181 } else {
182 grp = 1;
183 }
184
185 val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
186 val = TWL6030_CFG_STATE_APP(val);
187
188 return grp && (val == TWL6030_CFG_STATE_ON);
189}
190
191#define PB_I2C_BUSY BIT(0)131#define PB_I2C_BUSY BIT(0)
192#define PB_I2C_BWEN BIT(1)132#define PB_I2C_BWEN BIT(1)
193 133
@@ -273,23 +213,6 @@ static int twl4030reg_enable(struct regulator_dev *rdev) · 79 unmodified lines
273 return ret;213 return ret;
274}214}
275 215
276static int twl6030reg_enable(struct regulator_dev *rdev)
277{
278 struct twlreg_info *info = rdev_get_drvdata(rdev);
279 int grp = 0;
280 int ret;
281
282 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
283 grp = twlreg_grp(rdev);
284 if (grp < 0)
285 return grp;
286
287 ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
288 grp << TWL6030_CFG_STATE_GRP_SHIFT |
289 TWL6030_CFG_STATE_ON);
290 return ret;
291}
292
293static int twl4030reg_disable(struct regulator_dev *rdev)216static int twl4030reg_disable(struct regulator_dev *rdev)
294{217{
295 struct twlreg_info *info = rdev_get_drvdata(rdev);218 struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -307,23 +230,6 @@ static int twl4030reg_disable(struct regulator_dev *rdev) · 11 unmodified lines
307 return ret;230 return ret;
308}231}
309 232
310static int twl6030reg_disable(struct regulator_dev *rdev)
311{
312 struct twlreg_info *info = rdev_get_drvdata(rdev);
313 int grp = 0;
314 int ret;
315
316 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
317 grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
318
319 /* For 6030, set the off state for all grps enabled */
320 ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
321 (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
322 TWL6030_CFG_STATE_OFF);
323
324 return ret;
325}
326
327static int twl4030reg_get_status(struct regulator_dev *rdev)233static int twl4030reg_get_status(struct regulator_dev *rdev)
328{234{
329 int state = twlreg_grp(rdev);235 int state = twlreg_grp(rdev);
@@ -340,33 +246,6 @@ static int twl4030reg_get_status(struct regulator_dev *rdev) · 10 unmodified lines
340 : REGULATOR_STATUS_STANDBY;246 : REGULATOR_STATUS_STANDBY;
341}247}
342 248
343static int twl6030reg_get_status(struct regulator_dev *rdev)
344{
345 struct twlreg_info *info = rdev_get_drvdata(rdev);
346 int val;
347
348 val = twlreg_grp(rdev);
349 if (val < 0)
350 return val;
351
352 val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
353
354 switch (TWL6030_CFG_STATE_APP(val)) {
355 case TWL6030_CFG_STATE_ON:
356 return REGULATOR_STATUS_NORMAL;
357
358 case TWL6030_CFG_STATE_SLEEP:
359 return REGULATOR_STATUS_STANDBY;
360
361 case TWL6030_CFG_STATE_OFF:
362 case TWL6030_CFG_STATE_OFF2:
363 default:
364 break;
365 }
366
367 return REGULATOR_STATUS_OFF;
368}
369
370static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)249static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
371{250{
372 struct twlreg_info *info = rdev_get_drvdata(rdev);251 struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -399,36 +278,6 @@ static inline unsigned int twl4030reg_map_mode(unsigned int mode) · 26 unmodified lines
399 }278 }
400}279}
401 280
402static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
403{
404 struct twlreg_info *info = rdev_get_drvdata(rdev);
405 int grp = 0;
406 int val;
407
408 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
409 grp = twlreg_grp(rdev);
410
411 if (grp < 0)
412 return grp;
413
414 /* Compose the state register settings */
415 val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
416 /* We can only set the mode through state machine commands... */
417 switch (mode) {
418 case REGULATOR_MODE_NORMAL:
419 val |= TWL6030_CFG_STATE_ON;
420 break;
421 case REGULATOR_MODE_STANDBY:
422 val |= TWL6030_CFG_STATE_SLEEP;
423 break;
424
425 default:
426 return -EINVAL;
427 }
428
429 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
430}
431
432/*----------------------------------------------------------------------*/281/*----------------------------------------------------------------------*/
433 282
434/*283/*
@@ -565,12 +414,7 @@ twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, · 130 unmodified lines
565 struct twlreg_info *info = rdev_get_drvdata(rdev);414 struct twlreg_info *info = rdev_get_drvdata(rdev);
566 int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);415 int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
567 416
568 if (info->set_voltage) {417 twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030, vsel);
569 return info->set_voltage(info->data, min_uV);
570 } else {
571 twlreg_write(info, TWL_MODULE_PM_RECEIVER,
572 VREG_VOLTAGE_SMPS_4030, vsel);
573 }
574 418
575 return 0;419 return 0;
576}420}
@@ -580,9 +424,6 @@ static int twl4030smps_get_voltage(struct regulator_dev *rdev) · 3 unmodified lines
580 struct twlreg_info *info = rdev_get_drvdata(rdev);424 struct twlreg_info *info = rdev_get_drvdata(rdev);
581 int vsel;425 int vsel;
582 426
583 if (info->get_voltage)
584 return info->get_voltage(info->data);
585
586 vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,427 vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
587 VREG_VOLTAGE_SMPS_4030);428 VREG_VOLTAGE_SMPS_4030);
588 429
@@ -594,85 +435,6 @@ static struct regulator_ops twl4030smps_ops = { · 5 unmodified lines
594 .get_voltage = twl4030smps_get_voltage,435 .get_voltage = twl4030smps_get_voltage,
595};436};
596 437
597static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
598 int max_uV, unsigned *selector)
599{
600 struct twlreg_info *info = rdev_get_drvdata(rdev);
601
602 if (info->set_voltage)
603 return info->set_voltage(info->data, min_uV);
604
605 return -ENODEV;
606}
607
608static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
609{
610 struct twlreg_info *info = rdev_get_drvdata(rdev);
611
612 if (info->get_voltage)
613 return info->get_voltage(info->data);
614
615 return -ENODEV;
616}
617
618static struct regulator_ops twl6030coresmps_ops = {
619 .set_voltage = twl6030coresmps_set_voltage,
620 .get_voltage = twl6030coresmps_get_voltage,
621};
622
623static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
624{
625 struct twlreg_info *info = rdev_get_drvdata(rdev);
626
627 switch (sel) {
628 case 0:
629 return 0;
630 case 1 ... 24:
631 /* Linear mapping from 00000001 to 00011000:
632 * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
633 */
634 return (info->min_mV + 100 * (sel - 1)) * 1000;
635 case 25 ... 30:
636 return -EINVAL;
637 case 31:
638 return 2750000;
639 default:
640 return -EINVAL;
641 }
642}
643
644static int
645twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
646{
647 struct twlreg_info *info = rdev_get_drvdata(rdev);
648
649 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
650 selector);
651}
652
653static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
654{
655 struct twlreg_info *info = rdev_get_drvdata(rdev);
656 int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
657
658 return vsel;
659}
660
661static struct regulator_ops twl6030ldo_ops = {
662 .list_voltage = twl6030ldo_list_voltage,
663
664 .set_voltage_sel = twl6030ldo_set_voltage_sel,
665 .get_voltage_sel = twl6030ldo_get_voltage_sel,
666
667 .enable = twl6030reg_enable,
668 .disable = twl6030reg_disable,
669 .is_enabled = twl6030reg_is_enabled,
670
671 .set_mode = twl6030reg_set_mode,
672
673 .get_status = twl6030reg_get_status,
674};
675
676/*----------------------------------------------------------------------*/438/*----------------------------------------------------------------------*/
677 439
678static struct regulator_ops twl4030fixed_ops = {440static struct regulator_ops twl4030fixed_ops = {
@@ -687,226 +449,8 @@ static struct regulator_ops twl4030fixed_ops = { · 8 unmodified lines
687 .get_status = twl4030reg_get_status,449 .get_status = twl4030reg_get_status,
688};450};
689 451
690static struct regulator_ops twl6030fixed_ops = {
691 .list_voltage = regulator_list_voltage_linear,
692
693 .enable = twl6030reg_enable,
694 .disable = twl6030reg_disable,
695 .is_enabled = twl6030reg_is_enabled,
696
697 .set_mode = twl6030reg_set_mode,
698
699 .get_status = twl6030reg_get_status,
700};
701
702/*
703 * SMPS status and control
704 */
705
706static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
707{
708 struct twlreg_info *info = rdev_get_drvdata(rdev);
709
710 int voltage = 0;
711
712 switch (info->flags) {
713 case SMPS_OFFSET_EN:
714 voltage = 100000;
715 /* fall through */
716 case 0:
717 switch (index) {
718 case 0:
719 voltage = 0;
720 break;
721 case 58:
722 voltage = 1350 * 1000;
723 break;
724 case 59:
725 voltage = 1500 * 1000;
726 break;
727 case 60:
728 voltage = 1800 * 1000;
729 break;
730 case 61:
731 voltage = 1900 * 1000;
732 break;
733 case 62:
734 voltage = 2100 * 1000;
735 break;
736 default:
737 voltage += (600000 + (12500 * (index - 1)));
738 }
739 break;
740 case SMPS_EXTENDED_EN:
741 switch (index) {
742 case 0:
743 voltage = 0;
744 break;
745 case 58:
746 voltage = 2084 * 1000;
747 break;
748 case 59:
749 voltage = 2315 * 1000;
750 break;
751 case 60:
752 voltage = 2778 * 1000;
753 break;
754 case 61:
755 voltage = 2932 * 1000;
756 break;
757 case 62:
758 voltage = 3241 * 1000;
759 break;
760 default:
761 voltage = (1852000 + (38600 * (index - 1)));
762 }
763 break;
764 case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
765 switch (index) {
766 case 0:
767 voltage = 0;
768 break;
769 case 58:
770 voltage = 4167 * 1000;
771 break;
772 case 59:
773 voltage = 2315 * 1000;
774 break;
775 case 60:
776 voltage = 2778 * 1000;
777 break;
778 case 61:
779 voltage = 2932 * 1000;
780 break;
781 case 62:
782 voltage = 3241 * 1000;
783 break;
784 default:
785 voltage = (2161000 + (38600 * (index - 1)));
786 }
787 break;
788 }
789
790 return voltage;
791}
792
793static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
794 int max_uV)
795{
796 struct twlreg_info *info = rdev_get_drvdata(rdev);
797 int vsel = 0;
798
799 switch (info->flags) {
800 case 0:
801 if (min_uV == 0)
802 vsel = 0;
803 else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
804 vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
805 vsel++;
806 }
807 /* Values 1..57 for vsel are linear and can be calculated
808 * values 58..62 are non linear.
809 */
810 else if ((min_uV > 1900000) && (min_uV <= 2100000))
811 vsel = 62;
812 else if ((min_uV > 1800000) && (min_uV <= 1900000))
813 vsel = 61;
814 else if ((min_uV > 1500000) && (min_uV <= 1800000))
815 vsel = 60;
816 else if ((min_uV > 1350000) && (min_uV <= 1500000))
817 vsel = 59;
818 else if ((min_uV > 1300000) && (min_uV <= 1350000))
819 vsel = 58;
820 else
821 return -EINVAL;
822 break;
823 case SMPS_OFFSET_EN:
824 if (min_uV == 0)
825 vsel = 0;
826 else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
827 vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
828 vsel++;
829 }
830 /* Values 1..57 for vsel are linear and can be calculated
831 * values 58..62 are non linear.
832 */
833 else if ((min_uV > 1900000) && (min_uV <= 2100000))
834 vsel = 62;
835 else if ((min_uV > 1800000) && (min_uV <= 1900000))
836 vsel = 61;
837 else if ((min_uV > 1350000) && (min_uV <= 1800000))
838 vsel = 60;
839 else if ((min_uV > 1350000) && (min_uV <= 1500000))
840 vsel = 59;
841 else if ((min_uV > 1300000) && (min_uV <= 1350000))
842 vsel = 58;
843 else
844 return -EINVAL;
845 break;
846 case SMPS_EXTENDED_EN:
847 if (min_uV == 0) {
848 vsel = 0;
849 } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
850 vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
851 vsel++;
852 }
853 break;
854 case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
855 if (min_uV == 0) {
856 vsel = 0;
857 } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
858 vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
859 vsel++;
860 }
861 break;
862 }
863
864 return vsel;
865}
866
867static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
868 unsigned int selector)
869{
870 struct twlreg_info *info = rdev_get_drvdata(rdev);
871
872 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
873 selector);
874}
875
876static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
877{
878 struct twlreg_info *info = rdev_get_drvdata(rdev);
879
880 return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
881}
882
883static struct regulator_ops twlsmps_ops = {
884 .list_voltage = twl6030smps_list_voltage,
885 .map_voltage = twl6030smps_map_voltage,
886
887 .set_voltage_sel = twl6030smps_set_voltage_sel,
888 .get_voltage_sel = twl6030smps_get_voltage_sel,
889
890 .enable = twl6030reg_enable,
891 .disable = twl6030reg_disable,
892 .is_enabled = twl6030reg_is_enabled,
893
894 .set_mode = twl6030reg_set_mode,
895
896 .get_status = twl6030reg_get_status,
897};
898
899/*----------------------------------------------------------------------*/452/*----------------------------------------------------------------------*/
900 453
901#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
902 remap_conf) \
903 TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
904 remap_conf, TWL4030, twl4030fixed_ops, \
905 twl4030reg_map_mode)
906#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
907 TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \
908 0x0, TWL6030, twl6030fixed_ops, NULL)
909
910#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \454#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
911static const struct twlreg_info TWL4030_INFO_##label = { \455static const struct twlreg_info TWL4030_INFO_##label = { \
912 .base = offset, \456 .base = offset, \
@@ -942,79 +486,22 @@ static const struct twlreg_info TWL4030_INFO_##label = { \ · 29 unmodified lines
942 }, \486 }, \
943 }487 }
944 488
945#define TWL6030_ADJUSTABLE_SMPS(label) \489#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
946static const struct twlreg_info TWL6030_INFO_##label = { \490 remap_conf) \
947 .desc = { \
948 .name = #label, \
949 .id = TWL6030_REG_##label, \
950 .ops = &twl6030coresmps_ops, \
951 .type = REGULATOR_VOLTAGE, \
952 .owner = THIS_MODULE, \
953 }, \
954 }
955
956#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
957static const struct twlreg_info TWL6030_INFO_##label = { \
958 .base = offset, \
959 .min_mV = min_mVolts, \
960 .max_mV = max_mVolts, \
961 .desc = { \
962 .name = #label, \
963 .id = TWL6030_REG_##label, \
964 .n_voltages = 32, \
965 .ops = &twl6030ldo_ops, \
966 .type = REGULATOR_VOLTAGE, \
967 .owner = THIS_MODULE, \
968 }, \
969 }
970
971#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
972static const struct twlreg_info TWL6032_INFO_##label = { \
973 .base = offset, \
974 .min_mV = min_mVolts, \
975 .max_mV = max_mVolts, \
976 .desc = { \
977 .name = #label, \
978 .id = TWL6032_REG_##label, \
979 .n_voltages = 32, \
980 .ops = &twl6030ldo_ops, \
981 .type = REGULATOR_VOLTAGE, \
982 .owner = THIS_MODULE, \
983 }, \
984 }
985
986#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
987 family, operations, map_mode) \
988static const struct twlreg_info TWLFIXED_INFO_##label = { \491static const struct twlreg_info TWLFIXED_INFO_##label = { \
989 .base = offset, \492 .base = offset, \
990 .id = num, \493 .id = num, \
991 .min_mV = mVolts, \
992 .remap = remap_conf, \494 .remap = remap_conf, \
993 .desc = { \495 .desc = { \
994 .name = #label, \496 .name = #label, \
995 .id = family##_REG_##label, \497 .id = TWL4030##_REG_##label, \
996 .n_voltages = 1, \498 .n_voltages = 1, \
997 .ops = &operations, \499 .ops = &twl4030fixed_ops, \
998 .type = REGULATOR_VOLTAGE, \500 .type = REGULATOR_VOLTAGE, \
999 .owner = THIS_MODULE, \501 .owner = THIS_MODULE, \
1000 .min_uV = mVolts * 1000, \502 .min_uV = mVolts * 1000, \
1001 .enable_time = turnon_delay, \503 .enable_time = turnon_delay, \
1002 .of_map_mode = map_mode, \504 .of_map_mode = twl4030reg_map_mode, \
1003 }, \
1004 }
1005
1006#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
1007static const struct twlreg_info TWLSMPS_INFO_##label = { \
1008 .base = offset, \
1009 .min_mV = 600, \
1010 .max_mV = 2100, \
1011 .desc = { \
1012 .name = #label, \
1013 .id = TWL6032_REG_##label, \
1014 .n_voltages = 63, \
1015 .ops = &twlsmps_ops, \
1016 .type = REGULATOR_VOLTAGE, \
1017 .owner = THIS_MODULE, \
1018 }, \505 }, \
1019 }506 }
1020 507
@@ -1038,60 +525,11 @@ TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08); · 17 unmodified lines
1038TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08);525TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08);
1039TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08);526TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08);
1040/* VUSBCP is managed *only* by the USB subchip */527/* VUSBCP is managed *only* by the USB subchip */
1041/* 6030 REG with base as PMC Slave Misc : 0x0030 */
1042/* Turnon-delay and remap configuration values for 6030 are not
1043 verified since the specification is not public */
1044TWL6030_ADJUSTABLE_SMPS(VDD1);
1045TWL6030_ADJUSTABLE_SMPS(VDD2);
1046TWL6030_ADJUSTABLE_SMPS(VDD3);
1047TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300);
1048TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300);
1049TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300);
1050TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300);
1051TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300);
1052TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300);
1053/* 6025 are renamed compared to 6030 versions */
1054TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300);
1055TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300);
1056TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300);
1057TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300);
1058TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300);
1059TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300);
1060TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300);
1061TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300);
1062TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300);
1063TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08);528TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08);
1064TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08);529TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08);
1065TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08);530TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08);
1066TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08);531TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08);
1067TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08);532TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08);
1068TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
1069TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
1070TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
1071TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
1072TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
1073TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
1074TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
1075TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
1076TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
1077
1078static u8 twl_get_smps_offset(void)
1079{
1080 u8 value;
1081
1082 twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
1083 TWL6030_SMPS_OFFSET);
1084 return value;
1085}
1086
1087static u8 twl_get_smps_mult(void)
1088{
1089 u8 value;
1090
1091 twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
1092 TWL6030_SMPS_MULT);
1093 return value;
1094}
1095 533
1096#define TWL_OF_MATCH(comp, family, label) \534#define TWL_OF_MATCH(comp, family, label) \
1097 { \535 { \
@@ -1121,81 +559,37 @@ static const struct of_device_id twl_of_match[] = { · 23 unmodified lines
1121 TWL4030_OF_MATCH("ti,twl4030-vio", VIO),559 TWL4030_OF_MATCH("ti,twl4030-vio", VIO),
1122 TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1),560 TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1),
1123 TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2),561 TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2),
1124 TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
1125 TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
1126 TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
1127 TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
1128 TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
1129 TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
1130 TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
1131 TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
1132 TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
1133 TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
1134 TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
1135 TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
1136 TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
1137 TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
1138 TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
1139 TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
1140 TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
1141 TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
1142 TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1),562 TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1),
1143 TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG),563 TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG),
1144 TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5),564 TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5),
1145 TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8),565 TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8),
1146 TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1),566 TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1),
1147 TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
1148 TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
1149 TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
1150 TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
1151 TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
1152 TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
1153 TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
1154 TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
1155 TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
1156 {},567 {},
1157};568};
1158MODULE_DEVICE_TABLE(of, twl_of_match);569MODULE_DEVICE_TABLE(of, twl_of_match);
1159 570
1160static int twlreg_probe(struct platform_device *pdev)571static int twlreg_probe(struct platform_device *pdev)
1161{572{
1162 int i, id;573 int id;
1163 struct twlreg_info *info;574 struct twlreg_info *info;
1164 const struct twlreg_info *template;575 const struct twlreg_info *template;
1165 struct regulator_init_data *initdata;576 struct regulator_init_data *initdata;
1166 struct regulation_constraints *c;577 struct regulation_constraints *c;
1167 struct regulator_dev *rdev;578 struct regulator_dev *rdev;
1168 struct twl_regulator_driver_data *drvdata;
1169 const struct of_device_id *match;579 const struct of_device_id *match;
1170 struct regulator_config config = { };580 struct regulator_config config = { };
1171 581
1172 match = of_match_device(twl_of_match, &pdev->dev);582 match = of_match_device(twl_of_match, &pdev->dev);
1173 if (match) {583 if (!match)
1174 template = match->data;584 return -ENODEV;
1175 id = template->desc.id;
1176 initdata = of_get_regulator_init_data(&pdev->dev,
1177 pdev->dev.of_node,
1178 &template->desc);
1179 drvdata = NULL;
1180 } else {
1181 id = pdev->id;
1182 initdata = dev_get_platdata(&pdev->dev);
1183 for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
1184 template = twl_of_match[i].data;
1185 if (template && template->desc.id == id)
1186 break;
1187 }
1188 if (i == ARRAY_SIZE(twl_of_match))
1189 return -ENODEV;
1190
1191 drvdata = initdata->driver_data;
1192 if (!drvdata)
1193 return -EINVAL;
1194 }
1195 585
586 template = match->data;
1196 if (!template)587 if (!template)
1197 return -ENODEV;588 return -ENODEV;
1198 589
590 id = template->desc.id;
591 initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
592 &template->desc);
1199 if (!initdata)593 if (!initdata)
1200 return -EINVAL;594 return -EINVAL;
1201 595
@@ -1203,14 +597,6 @@ static int twlreg_probe(struct platform_device *pdev) · 1 unmodified line
1203 if (!info)597 if (!info)
1204 return -ENOMEM;598 return -ENOMEM;
1205 599
1206 if (drvdata) {
1207 /* copy the driver data into regulator data */
1208 info->features = drvdata->features;
1209 info->data = drvdata->data;
1210 info->set_voltage = drvdata->set_voltage;
1211 info->get_voltage = drvdata->get_voltage;
1212 }
1213
1214 /* Constrain board-specific capabilities according to what600 /* Constrain board-specific capabilities according to what
1215 * this driver and the chip itself can actually do.601 * this driver and the chip itself can actually do.
1216 */602 */
@@ -1233,27 +619,6 @@ static int twlreg_probe(struct platform_device *pdev) · 16 unmodified lines
1233 break;619 break;
1234 }620 }
1235 621
1236 switch (id) {
1237 case TWL6032_REG_SMPS3:
1238 if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
1239 info->flags |= SMPS_EXTENDED_EN;
1240 if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
1241 info->flags |= SMPS_OFFSET_EN;
1242 break;
1243 case TWL6032_REG_SMPS4:
1244 if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
1245 info->flags |= SMPS_EXTENDED_EN;
1246 if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
1247 info->flags |= SMPS_OFFSET_EN;
1248 break;
1249 case TWL6032_REG_VIO:
1250 if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
1251 info->flags |= SMPS_EXTENDED_EN;
1252 if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
1253 info->flags |= SMPS_OFFSET_EN;
1254 break;
1255 }
1256
1257 config.dev = &pdev->dev;622 config.dev = &pdev->dev;
1258 config.init_data = initdata;623 config.init_data = initdata;
1259 config.driver_data = info;624 config.driver_data = info;
@@ -1267,9 +632,7 @@ static int twlreg_probe(struct platform_device *pdev) · 7 unmodified lines
1267 }632 }
1268 platform_set_drvdata(pdev, rdev);633 platform_set_drvdata(pdev, rdev);
1269 634
1270 if (twl_class_is_4030())635 twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, info->remap);
1271 twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP,
1272 info->remap);
1273 636
1274 /* NOTE: many regulators support short-circuit IRQs (presentable637 /* NOTE: many regulators support short-circuit IRQs (presentable
1275 * as REGULATOR_OVER_CURRENT notifications?) configured via:638 * as REGULATOR_OVER_CURRENT notifications?) configured via:
@@ -1282,7 +645,7 @@ static int twlreg_probe(struct platform_device *pdev) · 6 unmodified lines
1282 return 0;645 return 0;
1283}646}
1284 647
1285MODULE_ALIAS("platform:twl_reg");648MODULE_ALIAS("platform:twl4030_reg");
1286 649
1287static struct platform_driver twlreg_driver = {650static struct platform_driver twlreg_driver = {
1288 .probe = twlreg_probe,651 .probe = twlreg_probe,
@@ -1290,7 +653,7 @@ static struct platform_driver twlreg_driver = { · 1 unmodified line
1290 * "twl_regulator.12" (and friends) to "twl_regulator.1".653 * "twl_regulator.12" (and friends) to "twl_regulator.1".
1291 */654 */
1292 .driver = {655 .driver = {
1293 .name = "twl_reg",656 .name = "twl4030_reg",
1294 .of_match_table = of_match_ptr(twl_of_match),657 .of_match_table = of_match_ptr(twl_of_match),
1295 },658 },
1296};659};
@@ -1307,5 +670,5 @@ static void __exit twlreg_exit(void) · 10 unmodified lines
1307}670}
1308module_exit(twlreg_exit)671module_exit(twlreg_exit)
1309 672
1310MODULE_DESCRIPTION("TWL regulator driver");673MODULE_DESCRIPTION("TWL4030 regulator driver");
1311MODULE_LICENSE("GPL");674MODULE_LICENSE("GPL");
drivers/regulator/twl6030-regulator.c+793−0
@@ -0,0 +1,793 @@
1/*
2 * Split TWL6030 logic from twl-regulator.c:
3 * Copyright (C) 2008 David Brownell
4 *
5 * Copyright (C) 2016 Nicolae Rosia <nicolae.rosia@gmail.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 */
12
13#include <linux/module.h>
14#include <linux/string.h>
15#include <linux/slab.h>
16#include <linux/init.h>
17#include <linux/err.h>
18#include <linux/platform_device.h>
19#include <linux/of.h>
20#include <linux/of_device.h>
21#include <linux/regulator/driver.h>
22#include <linux/regulator/machine.h>
23#include <linux/regulator/of_regulator.h>
24#include <linux/i2c/twl.h>
25#include <linux/delay.h>
26
27struct twlreg_info {
28 /* start of regulator's PM_RECEIVER control register bank */
29 u8 base;
30
31 /* twl resource ID, for resource control state machine */
32 u8 id;
33
34 /* chip constraints on regulator behavior */
35 u16 min_mV;
36
37 u8 flags;
38
39 /* used by regulator core */
40 struct regulator_desc desc;
41
42 /* chip specific features */
43 unsigned long features;
44
45 /* data passed from board for external get/set voltage */
46 void *data;
47};
48
49
50/* LDO control registers ... offset is from the base of its register bank.
51 * The first three registers of all power resource banks help hardware to
52 * manage the various resource groups.
53 */
54/* Common offset in TWL4030/6030 */
55#define VREG_GRP 0
56/* TWL6030 register offsets */
57#define VREG_TRANS 1
58#define VREG_STATE 2
59#define VREG_VOLTAGE 3
60#define VREG_VOLTAGE_SMPS 4
61/* TWL6030 Misc register offsets */
62#define VREG_BC_ALL 1
63#define VREG_BC_REF 2
64#define VREG_BC_PROC 3
65#define VREG_BC_CLK_RST 4
66
67/* TWL6030 LDO register values for CFG_STATE */
68#define TWL6030_CFG_STATE_OFF 0x00
69#define TWL6030_CFG_STATE_ON 0x01
70#define TWL6030_CFG_STATE_OFF2 0x02
71#define TWL6030_CFG_STATE_SLEEP 0x03
72#define TWL6030_CFG_STATE_GRP_SHIFT 5
73#define TWL6030_CFG_STATE_APP_SHIFT 2
74#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
75#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
76 TWL6030_CFG_STATE_APP_SHIFT)
77
78/* Flags for SMPS Voltage reading */
79#define SMPS_OFFSET_EN BIT(0)
80#define SMPS_EXTENDED_EN BIT(1)
81
82/* twl6032 SMPS EPROM values */
83#define TWL6030_SMPS_OFFSET 0xB0
84#define TWL6030_SMPS_MULT 0xB3
85#define SMPS_MULTOFFSET_SMPS4 BIT(0)
86#define SMPS_MULTOFFSET_VIO BIT(1)
87#define SMPS_MULTOFFSET_SMPS3 BIT(6)
88
89static inline int
90twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
91{
92 u8 value;
93 int status;
94
95 status = twl_i2c_read_u8(slave_subgp,
96 &value, info->base + offset);
97 return (status < 0) ? status : value;
98}
99
100static inline int
101twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset,
102 u8 value)
103{
104 return twl_i2c_write_u8(slave_subgp,
105 value, info->base + offset);
106}
107
108/* generic power resource operations, which work on all regulators */
109static int twlreg_grp(struct regulator_dev *rdev)
110{
111 return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER,
112 VREG_GRP);
113}
114
115/*
116 * Enable/disable regulators by joining/leaving the P1 (processor) group.
117 * We assume nobody else is updating the DEV_GRP registers.
118 */
119/* definition for 6030 family */
120#define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */
121#define P2_GRP_6030 BIT(1) /* "peripherals" */
122#define P1_GRP_6030 BIT(0) /* CPU/Linux */
123
124static int twl6030reg_is_enabled(struct regulator_dev *rdev)
125{
126 struct twlreg_info *info = rdev_get_drvdata(rdev);
127 int grp = 0, val;
128
129 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
130 grp = twlreg_grp(rdev);
131 if (grp < 0)
132 return grp;
133 grp &= P1_GRP_6030;
134 } else {
135 grp = 1;
136 }
137
138 val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
139 val = TWL6030_CFG_STATE_APP(val);
140
141 return grp && (val == TWL6030_CFG_STATE_ON);
142}
143
144#define PB_I2C_BUSY BIT(0)
145#define PB_I2C_BWEN BIT(1)
146
147
148static int twl6030reg_enable(struct regulator_dev *rdev)
149{
150 struct twlreg_info *info = rdev_get_drvdata(rdev);
151 int grp = 0;
152 int ret;
153
154 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
155 grp = twlreg_grp(rdev);
156 if (grp < 0)
157 return grp;
158
159 ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
160 grp << TWL6030_CFG_STATE_GRP_SHIFT |
161 TWL6030_CFG_STATE_ON);
162 return ret;
163}
164
165static int twl6030reg_disable(struct regulator_dev *rdev)
166{
167 struct twlreg_info *info = rdev_get_drvdata(rdev);
168 int grp = 0;
169 int ret;
170
171 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
172 grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
173
174 /* For 6030, set the off state for all grps enabled */
175 ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
176 (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
177 TWL6030_CFG_STATE_OFF);
178
179 return ret;
180}
181
182static int twl6030reg_get_status(struct regulator_dev *rdev)
183{
184 struct twlreg_info *info = rdev_get_drvdata(rdev);
185 int val;
186
187 val = twlreg_grp(rdev);
188 if (val < 0)
189 return val;
190
191 val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
192
193 switch (TWL6030_CFG_STATE_APP(val)) {
194 case TWL6030_CFG_STATE_ON:
195 return REGULATOR_STATUS_NORMAL;
196
197 case TWL6030_CFG_STATE_SLEEP:
198 return REGULATOR_STATUS_STANDBY;
199
200 case TWL6030_CFG_STATE_OFF:
201 case TWL6030_CFG_STATE_OFF2:
202 default:
203 break;
204 }
205
206 return REGULATOR_STATUS_OFF;
207}
208
209static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
210{
211 struct twlreg_info *info = rdev_get_drvdata(rdev);
212 int grp = 0;
213 int val;
214
215 if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
216 grp = twlreg_grp(rdev);
217
218 if (grp < 0)
219 return grp;
220
221 /* Compose the state register settings */
222 val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
223 /* We can only set the mode through state machine commands... */
224 switch (mode) {
225 case REGULATOR_MODE_NORMAL:
226 val |= TWL6030_CFG_STATE_ON;
227 break;
228 case REGULATOR_MODE_STANDBY:
229 val |= TWL6030_CFG_STATE_SLEEP;
230 break;
231
232 default:
233 return -EINVAL;
234 }
235
236 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
237}
238
239static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
240 int max_uV, unsigned *selector)
241{
242 return -ENODEV;
243}
244
245static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
246{
247 return -ENODEV;
248}
249
250static struct regulator_ops twl6030coresmps_ops = {
251 .set_voltage = twl6030coresmps_set_voltage,
252 .get_voltage = twl6030coresmps_get_voltage,
253};
254
255static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
256{
257 struct twlreg_info *info = rdev_get_drvdata(rdev);
258
259 switch (sel) {
260 case 0:
261 return 0;
262 case 1 ... 24:
263 /* Linear mapping from 00000001 to 00011000:
264 * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
265 */
266 return (info->min_mV + 100 * (sel - 1)) * 1000;
267 case 25 ... 30:
268 return -EINVAL;
269 case 31:
270 return 2750000;
271 default:
272 return -EINVAL;
273 }
274}
275
276static int
277twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
278{
279 struct twlreg_info *info = rdev_get_drvdata(rdev);
280
281 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
282 selector);
283}
284
285static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
286{
287 struct twlreg_info *info = rdev_get_drvdata(rdev);
288 int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
289
290 return vsel;
291}
292
293static struct regulator_ops twl6030ldo_ops = {
294 .list_voltage = twl6030ldo_list_voltage,
295
296 .set_voltage_sel = twl6030ldo_set_voltage_sel,
297 .get_voltage_sel = twl6030ldo_get_voltage_sel,
298
299 .enable = twl6030reg_enable,
300 .disable = twl6030reg_disable,
301 .is_enabled = twl6030reg_is_enabled,
302
303 .set_mode = twl6030reg_set_mode,
304
305 .get_status = twl6030reg_get_status,
306};
307
308static struct regulator_ops twl6030fixed_ops = {
309 .list_voltage = regulator_list_voltage_linear,
310
311 .enable = twl6030reg_enable,
312 .disable = twl6030reg_disable,
313 .is_enabled = twl6030reg_is_enabled,
314
315 .set_mode = twl6030reg_set_mode,
316
317 .get_status = twl6030reg_get_status,
318};
319
320/*
321 * SMPS status and control
322 */
323
324static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
325{
326 struct twlreg_info *info = rdev_get_drvdata(rdev);
327
328 int voltage = 0;
329
330 switch (info->flags) {
331 case SMPS_OFFSET_EN:
332 voltage = 100000;
333 /* fall through */
334 case 0:
335 switch (index) {
336 case 0:
337 voltage = 0;
338 break;
339 case 58:
340 voltage = 1350 * 1000;
341 break;
342 case 59:
343 voltage = 1500 * 1000;
344 break;
345 case 60:
346 voltage = 1800 * 1000;
347 break;
348 case 61:
349 voltage = 1900 * 1000;
350 break;
351 case 62:
352 voltage = 2100 * 1000;
353 break;
354 default:
355 voltage += (600000 + (12500 * (index - 1)));
356 }
357 break;
358 case SMPS_EXTENDED_EN:
359 switch (index) {
360 case 0:
361 voltage = 0;
362 break;
363 case 58:
364 voltage = 2084 * 1000;
365 break;
366 case 59:
367 voltage = 2315 * 1000;
368 break;
369 case 60:
370 voltage = 2778 * 1000;
371 break;
372 case 61:
373 voltage = 2932 * 1000;
374 break;
375 case 62:
376 voltage = 3241 * 1000;
377 break;
378 default:
379 voltage = (1852000 + (38600 * (index - 1)));
380 }
381 break;
382 case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
383 switch (index) {
384 case 0:
385 voltage = 0;
386 break;
387 case 58:
388 voltage = 4167 * 1000;
389 break;
390 case 59:
391 voltage = 2315 * 1000;
392 break;
393 case 60:
394 voltage = 2778 * 1000;
395 break;
396 case 61:
397 voltage = 2932 * 1000;
398 break;
399 case 62:
400 voltage = 3241 * 1000;
401 break;
402 default:
403 voltage = (2161000 + (38600 * (index - 1)));
404 }
405 break;
406 }
407
408 return voltage;
409}
410
411static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
412 int max_uV)
413{
414 struct twlreg_info *info = rdev_get_drvdata(rdev);
415 int vsel = 0;
416
417 switch (info->flags) {
418 case 0:
419 if (min_uV == 0)
420 vsel = 0;
421 else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
422 vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
423 vsel++;
424 }
425 /* Values 1..57 for vsel are linear and can be calculated
426 * values 58..62 are non linear.
427 */
428 else if ((min_uV > 1900000) && (min_uV <= 2100000))
429 vsel = 62;
430 else if ((min_uV > 1800000) && (min_uV <= 1900000))
431 vsel = 61;
432 else if ((min_uV > 1500000) && (min_uV <= 1800000))
433 vsel = 60;
434 else if ((min_uV > 1350000) && (min_uV <= 1500000))
435 vsel = 59;
436 else if ((min_uV > 1300000) && (min_uV <= 1350000))
437 vsel = 58;
438 else
439 return -EINVAL;
440 break;
441 case SMPS_OFFSET_EN:
442 if (min_uV == 0)
443 vsel = 0;
444 else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
445 vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
446 vsel++;
447 }
448 /* Values 1..57 for vsel are linear and can be calculated
449 * values 58..62 are non linear.
450 */
451 else if ((min_uV > 1900000) && (min_uV <= 2100000))
452 vsel = 62;
453 else if ((min_uV > 1800000) && (min_uV <= 1900000))
454 vsel = 61;
455 else if ((min_uV > 1350000) && (min_uV <= 1800000))
456 vsel = 60;
457 else if ((min_uV > 1350000) && (min_uV <= 1500000))
458 vsel = 59;
459 else if ((min_uV > 1300000) && (min_uV <= 1350000))
460 vsel = 58;
461 else
462 return -EINVAL;
463 break;
464 case SMPS_EXTENDED_EN:
465 if (min_uV == 0) {
466 vsel = 0;
467 } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
468 vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
469 vsel++;
470 }
471 break;
472 case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
473 if (min_uV == 0) {
474 vsel = 0;
475 } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
476 vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
477 vsel++;
478 }
479 break;
480 }
481
482 return vsel;
483}
484
485static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
486 unsigned int selector)
487{
488 struct twlreg_info *info = rdev_get_drvdata(rdev);
489
490 return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
491 selector);
492}
493
494static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
495{
496 struct twlreg_info *info = rdev_get_drvdata(rdev);
497
498 return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
499}
500
501static struct regulator_ops twlsmps_ops = {
502 .list_voltage = twl6030smps_list_voltage,
503 .map_voltage = twl6030smps_map_voltage,
504
505 .set_voltage_sel = twl6030smps_set_voltage_sel,
506 .get_voltage_sel = twl6030smps_get_voltage_sel,
507
508 .enable = twl6030reg_enable,
509 .disable = twl6030reg_disable,
510 .is_enabled = twl6030reg_is_enabled,
511
512 .set_mode = twl6030reg_set_mode,
513
514 .get_status = twl6030reg_get_status,
515};
516
517/*----------------------------------------------------------------------*/
518
519#define TWL6030_ADJUSTABLE_SMPS(label) \
520static const struct twlreg_info TWL6030_INFO_##label = { \
521 .desc = { \
522 .name = #label, \
523 .id = TWL6030_REG_##label, \
524 .ops = &twl6030coresmps_ops, \
525 .type = REGULATOR_VOLTAGE, \
526 .owner = THIS_MODULE, \
527 }, \
528 }
529
530#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts) \
531static const struct twlreg_info TWL6030_INFO_##label = { \
532 .base = offset, \
533 .min_mV = min_mVolts, \
534 .desc = { \
535 .name = #label, \
536 .id = TWL6030_REG_##label, \
537 .n_voltages = 32, \
538 .ops = &twl6030ldo_ops, \
539 .type = REGULATOR_VOLTAGE, \
540 .owner = THIS_MODULE, \
541 }, \
542 }
543
544#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts) \
545static const struct twlreg_info TWL6032_INFO_##label = { \
546 .base = offset, \
547 .min_mV = min_mVolts, \
548 .desc = { \
549 .name = #label, \
550 .id = TWL6032_REG_##label, \
551 .n_voltages = 32, \
552 .ops = &twl6030ldo_ops, \
553 .type = REGULATOR_VOLTAGE, \
554 .owner = THIS_MODULE, \
555 }, \
556 }
557
558#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
559static const struct twlreg_info TWLFIXED_INFO_##label = { \
560 .base = offset, \
561 .id = 0, \
562 .min_mV = mVolts, \
563 .desc = { \
564 .name = #label, \
565 .id = TWL6030##_REG_##label, \
566 .n_voltages = 1, \
567 .ops = &twl6030fixed_ops, \
568 .type = REGULATOR_VOLTAGE, \
569 .owner = THIS_MODULE, \
570 .min_uV = mVolts * 1000, \
571 .enable_time = turnon_delay, \
572 .of_map_mode = NULL, \
573 }, \
574 }
575
576#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
577static const struct twlreg_info TWLSMPS_INFO_##label = { \
578 .base = offset, \
579 .min_mV = 600, \
580 .desc = { \
581 .name = #label, \
582 .id = TWL6032_REG_##label, \
583 .n_voltages = 63, \
584 .ops = &twlsmps_ops, \
585 .type = REGULATOR_VOLTAGE, \
586 .owner = THIS_MODULE, \
587 }, \
588 }
589
590/* VUSBCP is managed *only* by the USB subchip */
591/* 6030 REG with base as PMC Slave Misc : 0x0030 */
592/* Turnon-delay and remap configuration values for 6030 are not
593 verified since the specification is not public */
594TWL6030_ADJUSTABLE_SMPS(VDD1);
595TWL6030_ADJUSTABLE_SMPS(VDD2);
596TWL6030_ADJUSTABLE_SMPS(VDD3);
597TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000);
598TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000);
599TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000);
600TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000);
601TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000);
602TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000);
603/* 6025 are renamed compared to 6030 versions */
604TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000);
605TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000);
606TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000);
607TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000);
608TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000);
609TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000);
610TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000);
611TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000);
612TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000);
613TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
614TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
615TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
616TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
617TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
618TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
619TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
620TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
621TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
622
623static u8 twl_get_smps_offset(void)
624{
625 u8 value;
626
627 twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
628 TWL6030_SMPS_OFFSET);
629 return value;
630}
631
632static u8 twl_get_smps_mult(void)
633{
634 u8 value;
635
636 twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
637 TWL6030_SMPS_MULT);
638 return value;
639}
640
641#define TWL_OF_MATCH(comp, family, label) \
642 { \
643 .compatible = comp, \
644 .data = &family##_INFO_##label, \
645 }
646
647#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
648#define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label)
649#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
650#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
651
652static const struct of_device_id twl_of_match[] = {
653 TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
654 TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
655 TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
656 TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
657 TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
658 TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
659 TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
660 TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
661 TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
662 TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
663 TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
664 TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
665 TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
666 TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
667 TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
668 TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
669 TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
670 TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
671 TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
672 TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
673 TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
674 TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
675 TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
676 TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
677 TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
678 TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
679 TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
680 {},
681};
682MODULE_DEVICE_TABLE(of, twl_of_match);
683
684static int twlreg_probe(struct platform_device *pdev)
685{
686 int id;
687 struct twlreg_info *info;
688 const struct twlreg_info *template;
689 struct regulator_init_data *initdata;
690 struct regulation_constraints *c;
691 struct regulator_dev *rdev;
692 const struct of_device_id *match;
693 struct regulator_config config = { };
694
695 match = of_match_device(twl_of_match, &pdev->dev);
696 if (!match)
697 return -ENODEV;
698
699 template = match->data;
700 if (!template)
701 return -ENODEV;
702
703 id = template->desc.id;
704 initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
705 &template->desc);
706 if (!initdata)
707 return -EINVAL;
708
709 info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL);
710 if (!info)
711 return -ENOMEM;
712
713 /* Constrain board-specific capabilities according to what
714 * this driver and the chip itself can actually do.
715 */
716 c = &initdata->constraints;
717 c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY;
718 c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
719 | REGULATOR_CHANGE_MODE
720 | REGULATOR_CHANGE_STATUS;
721
722 switch (id) {
723 case TWL6032_REG_SMPS3:
724 if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
725 info->flags |= SMPS_EXTENDED_EN;
726 if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
727 info->flags |= SMPS_OFFSET_EN;
728 break;
729 case TWL6032_REG_SMPS4:
730 if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
731 info->flags |= SMPS_EXTENDED_EN;
732 if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
733 info->flags |= SMPS_OFFSET_EN;
734 break;
735 case TWL6032_REG_VIO:
736 if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
737 info->flags |= SMPS_EXTENDED_EN;
738 if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
739 info->flags |= SMPS_OFFSET_EN;
740 break;
741 }
742
743 config.dev = &pdev->dev;
744 config.init_data = initdata;
745 config.driver_data = info;
746 config.of_node = pdev->dev.of_node;
747
748 rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
749 if (IS_ERR(rdev)) {
750 dev_err(&pdev->dev, "can't register %s, %ld\n",
751 info->desc.name, PTR_ERR(rdev));
752 return PTR_ERR(rdev);
753 }
754 platform_set_drvdata(pdev, rdev);
755
756 /* NOTE: many regulators support short-circuit IRQs (presentable
757 * as REGULATOR_OVER_CURRENT notifications?) configured via:
758 * - SC_CONFIG
759 * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4)
760 * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2)
761 * - IT_CONFIG
762 */
763
764 return 0;
765}
766
767MODULE_ALIAS("platform:twl6030_reg");
768
769static struct platform_driver twlreg_driver = {
770 .probe = twlreg_probe,
771 /* NOTE: short name, to work around driver model truncation of
772 * "twl_regulator.12" (and friends) to "twl_regulator.1".
773 */
774 .driver = {
775 .name = "twl6030_reg",
776 .of_match_table = of_match_ptr(twl_of_match),
777 },
778};
779
780static int __init twlreg_init(void)
781{
782 return platform_driver_register(&twlreg_driver);
783}
784subsys_initcall(twlreg_init);
785
786static void __exit twlreg_exit(void)
787{
788 platform_driver_unregister(&twlreg_driver);
789}
790module_exit(twlreg_exit)
791
792MODULE_DESCRIPTION("TWL6030 regulator driver");
793MODULE_LICENSE("GPL");