summaryrefslogtreecommitdiffstats
path: root/drivers/regulator/rk808-regulator.c
blob: e926c1a85846058f518f6c9f61364fabdecf9502 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Regulator driver for Rockchip RK805/RK808/RK818
 *
 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
 *
 * Author: Chris Zhong <zyw@rock-chips.com>
 * Author: Zhang Qing <zhangqing@rock-chips.com>
 *
 * Copyright (C) 2016 PHYTEC Messtechnik GmbH
 *
 * Author: Wadim Egorov <w.egorov@phytec.de>
 */

#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/mfd/rk808.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include <linux/gpio/consumer.h>

/* Field Definitions */
#define RK808_BUCK_VSEL_MASK	0x3f
#define RK808_BUCK4_VSEL_MASK	0xf
#define RK808_LDO_VSEL_MASK	0x1f

#define RK809_BUCK5_VSEL_MASK		0x7

#define RK817_LDO_VSEL_MASK		0x7f
#define RK817_BOOST_VSEL_MASK		0x7
#define RK817_BUCK_VSEL_MASK		0x7f

#define RK818_BUCK_VSEL_MASK		0x3f
#define RK818_BUCK4_VSEL_MASK		0x1f
#define RK818_LDO_VSEL_MASK		0x1f
#define RK818_LDO3_ON_VSEL_MASK		0xf
#define RK818_BOOST_ON_VSEL_MASK	0xe0

/* Ramp rate definitions for buck1 / buck2 only */
#define RK808_RAMP_RATE_OFFSET		3
#define RK808_RAMP_RATE_MASK		(3 << RK808_RAMP_RATE_OFFSET)
#define RK808_RAMP_RATE_2MV_PER_US	(0 << RK808_RAMP_RATE_OFFSET)
#define RK808_RAMP_RATE_4MV_PER_US	(1 << RK808_RAMP_RATE_OFFSET)
#define RK808_RAMP_RATE_6MV_PER_US	(2 << RK808_RAMP_RATE_OFFSET)
#define RK808_RAMP_RATE_10MV_PER_US	(3 << RK808_RAMP_RATE_OFFSET)

#define RK808_DVS2_POL		BIT(2)
#define RK808_DVS1_POL		BIT(1)

/* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */
#define RK808_SLP_REG_OFFSET 1

/* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */
#define RK808_DVS_REG_OFFSET 2

/* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */
#define RK808_SLP_SET_OFF_REG_OFFSET 2

/* max steps for increase voltage of Buck1/2, equal 100mv*/
#define MAX_STEPS_ONE_TIME 8

#define ENABLE_MASK(id)			(BIT(id) | BIT(4 + (id)))
#define DISABLE_VAL(id)			(BIT(4 + (id)))

#define RK817_BOOST_DESC(_id, _match, _supply, _min, _max, _step, _vreg,\
	_vmask, _ereg, _emask, _enval, _disval, _etime, m_drop)		\
	{							\
		.name		= (_match),				\
		.supply_name	= (_supply),				\
		.of_match	= of_match_ptr(_match),			\
		.regulators_node = of_match_ptr("regulators"),		\
		.type		= REGULATOR_VOLTAGE,			\
		.id		= (_id),				\
		.n_voltages	= (((_max) - (_min)) / (_step) + 1),	\
		.owner		= THIS_MODULE,				\
		.min_uV		= (_min) * 1000,			\
		.uV_step	= (_step) * 1000,			\
		.vsel_reg	= (_vreg),				\
		.vsel_mask	= (_vmask),				\
		.enable_reg	= (_ereg),				\
		.enable_mask	= (_emask),				\
		.enable_val     = (_enval),				\
		.disable_val     = (_disval),				\
		.enable_time	= (_etime),				\
		.min_dropout_uV = (m_drop) * 1000,			\
		.ops		= &rk817_boost_ops,			\
	}

#define RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, _enval, _disval, _etime, _ops)		\
	{								\
		.name		= (_match),				\
		.supply_name	= (_supply),				\
		.of_match	= of_match_ptr(_match),			\
		.regulators_node = of_match_ptr("regulators"),		\
		.type		= REGULATOR_VOLTAGE,			\
		.id		= (_id),				\
		.n_voltages	= (((_max) - (_min)) / (_step) + 1),	\
		.owner		= THIS_MODULE,				\
		.min_uV		= (_min) * 1000,			\
		.uV_step	= (_step) * 1000,			\
		.vsel_reg	= (_vreg),				\
		.vsel_mask	= (_vmask),				\
		.enable_reg	= (_ereg),				\
		.enable_mask	= (_emask),				\
		.enable_val     = (_enval),				\
		.disable_val     = (_disval),				\
		.enable_time	= (_etime),				\
		.ops		= _ops,			\
	}

#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, _etime)					\
	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, 0, 0, _etime, &rk805_reg_ops)

#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, _etime)					\
	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)

#define RK817_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, _disval, _etime)				\
	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
	_vmask, _ereg, _emask, _emask, _disval, _etime, &rk817_reg_ops)

#define RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
	_enval, _disval, _ops)						\
	{								\
		.name		= (_match),				\
		.supply_name	= (_supply),				\
		.of_match	= of_match_ptr(_match),			\
		.regulators_node = of_match_ptr("regulators"),		\
		.type		= REGULATOR_VOLTAGE,			\
		.id		= (_id),				\
		.enable_reg	= (_ereg),				\
		.enable_mask	= (_emask),				\
		.enable_val     = (_enval),				\
		.disable_val     = (_disval),				\
		.owner		= THIS_MODULE,				\
		.ops		= _ops					\
	}

#define RK817_DESC_SWITCH(_id, _match, _supply, _ereg, _emask,		\
	_disval)							\
	RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
	_emask, _disval, &rk817_switch_ops)

#define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask)		\
	RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
	0, 0, &rk808_switch_ops)

struct rk808_regulator_data {
	struct gpio_desc *dvs_gpio[2];
};

static const int rk808_buck_config_regs[] = {
	RK808_BUCK1_CONFIG_REG,
	RK808_BUCK2_CONFIG_REG,
	RK808_BUCK3_CONFIG_REG,
	RK808_BUCK4_CONFIG_REG,
};

static const struct linear_range rk808_ldo3_voltage_ranges[] = {
	REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
	REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
};

#define RK809_BUCK5_SEL_CNT		(8)

static const struct linear_range rk809_buck5_voltage_ranges[] = {
	REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
	REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
	REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
	REGULATOR_LINEAR_RANGE(3300000, 6, 7, 300000),
};

#define RK817_BUCK1_MIN0 500000
#define RK817_BUCK1_MAX0 1500000

#define RK817_BUCK1_MIN1 1600000
#define RK817_BUCK1_MAX1 2400000

#define RK817_BUCK3_MAX1 3400000

#define RK817_BUCK1_STP0 12500
#define RK817_BUCK1_STP1 100000

#define RK817_BUCK1_SEL0 ((RK817_BUCK1_MAX0 - RK817_BUCK1_MIN0) /\
						  RK817_BUCK1_STP0)
#define RK817_BUCK1_SEL1 ((RK817_BUCK1_MAX1 - RK817_BUCK1_MIN1) /\
						  RK817_BUCK1_STP1)

#define RK817_BUCK3_SEL1 ((RK817_BUCK3_MAX1 - RK817_BUCK1_MIN1) /\
						  RK817_BUCK1_STP1)

#define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
#define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)

static const struct linear_range rk817_buck1_voltage_ranges[] = {
	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
			       RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
};

static const struct linear_range rk817_buck3_voltage_ranges[] = {
	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
			       RK817_BUCK3_SEL_CNT, RK817_BUCK1_STP1),
};

static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
{
	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
	int id = rdev_get_id(rdev);
	struct gpio_desc *gpio = pdata->dvs_gpio[id];
	unsigned int val;
	int ret;

	if (!gpio || gpiod_get_value(gpio) == 0)
		return regulator_get_voltage_sel_regmap(rdev);

	ret = regmap_read(rdev->regmap,
			  rdev->desc->vsel_reg + RK808_DVS_REG_OFFSET,
			  &val);
	if (ret != 0)
		return ret;

	val &= rdev->desc->vsel_mask;
	val >>= ffs(rdev->desc->vsel_mask) - 1;

	return val;
}

static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev,
					     unsigned sel)
{
	int ret, delta_sel;
	unsigned int old_sel, tmp, val, mask = rdev->desc->vsel_mask;

	ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
	if (ret != 0)
		return ret;

	tmp = val & ~mask;
	old_sel = val & mask;
	old_sel >>= ffs(mask) - 1;
	delta_sel = sel - old_sel;

	/*
	 * If directly modify the register to change the voltage, we will face
	 * the risk of overshoot. Put it into a multi-step, can effectively
	 * avoid this problem, a step is 100mv here.
	 */
	while (delta_sel > MAX_STEPS_ONE_TIME) {
		old_sel += MAX_STEPS_ONE_TIME;
		val = old_sel << (ffs(mask) - 1);
		val |= tmp;

		/*
		 * i2c is 400kHz (2.5us per bit) and we must transmit _at least_
		 * 3 bytes (24 bits) plus start and stop so 26 bits.  So we've
		 * got more than 65 us between each voltage change and thus
		 * won't ramp faster than ~1500 uV / us.
		 */
		ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
		delta_sel = sel - old_sel;
	}

	sel <<= ffs(mask) - 1;
	val = tmp | sel;
	ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);

	/*
	 * When we change the voltage register directly, the ramp rate is about
	 * 100000uv/us, wait 1us to make sure the target voltage to be stable,
	 * so we needn't wait extra time after that.
	 */
	udelay(1);

	return ret;
}

static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
					 unsigned sel)
{
	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
	int id = rdev_get_id(rdev);
	struct gpio_desc *gpio = pdata->dvs_gpio[id];
	unsigned int reg = rdev->desc->vsel_reg;
	unsigned old_sel;
	int ret, gpio_level;

	if (!gpio)
		return rk808_buck1_2_i2c_set_voltage_sel(rdev, sel);

	gpio_level = gpiod_get_value(gpio);
	if (gpio_level == 0) {
		reg += RK808_DVS_REG_OFFSET;
		ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &old_sel);
	} else {
		ret = regmap_read(rdev->regmap,
				  reg + RK808_DVS_REG_OFFSET,
				  &old_sel);
	}

	if (ret != 0)
		return ret;

	sel <<= ffs(rdev->desc->vsel_mask) - 1;
	sel |= old_sel & ~rdev->desc->vsel_mask;

	ret = regmap_write(rdev->regmap, reg, sel);
	if (ret)
		return ret;

	gpiod_set_value(gpio, !gpio_level);

	return ret;
}

static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
				       unsigned int old_selector,
				       unsigned int new_selector)
{
	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
	int id = rdev_get_id(rdev);
	struct gpio_desc *gpio = pdata->dvs_gpio[id];

	/* if there is no dvs1/2 pin, we don't need wait extra time here. */
	if (!gpio)
		return 0;

	return regulator_set_voltage_time_sel(rdev, old_selector, new_selector);
}

static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
	unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
	unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];

	switch (ramp_delay) {
	case 1 ... 2000:
		ramp_value = RK808_RAMP_RATE_2MV_PER_US;
		break;
	case 2001 ... 4000:
		ramp_value = RK808_RAMP_RATE_4MV_PER_US;
		break;
	case 4001 ... 6000:
		ramp_value = RK808_RAMP_RATE_6MV_PER_US;
		break;
	case 6001 ... 10000:
		break;
	default:
		pr_warn("%s ramp_delay: %d not supported, setting 10000\n",
			rdev->desc->name, ramp_delay);
	}

	return regmap_update_bits(rdev->regmap, reg,
				  RK808_RAMP_RATE_MASK, ramp_value);
}

/*
 * RK817 RK809
 */
static int rk817_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
	unsigned int ramp_value = RK817_RAMP_RATE_25MV_PER_US;
	unsigned int reg = RK817_BUCK_CONFIG_REG(rdev_get_id(rdev));

	switch (ramp_delay) {
	case 0 ... 3000:
		ramp_value = RK817_RAMP_RATE_3MV_PER_US;
		break;
	case 3001 ... 6300:
		ramp_value = RK817_RAMP_RATE_6_3MV_PER_US;
		break;
	case 6301 ... 12500:
		ramp_value = RK817_RAMP_RATE_12_5MV_PER_US;
		break;
	case 12501 ... 25000:
		break;
	default:
		dev_warn(&rdev->dev,
			 "%s ramp_delay: %d not supported, setting 25000\n",
			 rdev->desc->name, ramp_delay);
	}

	return regmap_update_bits(rdev->regmap, reg,
				  RK817_RAMP_RATE_MASK, ramp_value);
}

static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv)
{
	unsigned int reg;
	int sel = regulator_map_voltage_linear(rdev, uv, uv);

	if (sel < 0)
		return -EINVAL;

	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->vsel_mask,
				  sel);
}

static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
{
	unsigned int reg;
	int sel = regulator_map_voltage_linear_range(rdev, uv, uv);

	if (sel < 0)
		return -EINVAL;

	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->vsel_mask,
				  sel);
}

static int rk805_set_suspend_enable(struct regulator_dev *rdev)
{
	unsigned int reg;

	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->enable_mask,
				  rdev->desc->enable_mask);
}

static int rk805_set_suspend_disable(struct regulator_dev *rdev)
{
	unsigned int reg;

	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->enable_mask,
				  0);
}

static int rk808_set_suspend_enable(struct regulator_dev *rdev)
{
	unsigned int reg;

	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->enable_mask,
				  0);
}

static int rk808_set_suspend_disable(struct regulator_dev *rdev)
{
	unsigned int reg;

	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;

	return regmap_update_bits(rdev->regmap, reg,
				  rdev->desc->enable_mask,
				  rdev->desc->enable_mask);
}

static int rk817_set_suspend_enable_ctrl(struct regulator_dev *rdev,
					 unsigned int en)
{
	unsigned int reg;
	int id = rdev_get_id(rdev);
	unsigned int id_slp, msk, val;

	if (id >= RK817_ID_DCDC1 && id <= RK817_ID_DCDC4)
		id_slp = id;
	else if (id >= RK817_ID_LDO1 && id <= RK817_ID_LDO8)
		id_slp = 8 + (id - RK817_ID_LDO1);
	else if (id >= RK817_ID_LDO9 && id <= RK809_ID_SW2)
		id_slp = 4 + (id - RK817_ID_LDO9);
	else
		return -EINVAL;

	reg = RK817_POWER_SLP_EN_REG(id_slp / 8);

	msk = BIT(id_slp % 8);
	if (en)
		val = msk;
	else
		val = 0;

	return regmap_update_bits(rdev->regmap, reg, msk, val);
}

static int rk817_set_suspend_enable(struct regulator_dev *rdev)
{
	return rk817_set_suspend_enable_ctrl(rdev, 1);
}

static int rk817_set_suspend_disable(struct regulator_dev *rdev)
{
	return rk817_set_suspend_enable_ctrl(rdev, 0);
}

static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode)
{
	unsigned int reg;

	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;

	switch (mode) {
	case REGULATOR_MODE_FAST:
		return regmap_update_bits(rdev->regmap, reg,
					  PWM_MODE_MSK, FPWM_MODE);
	case REGULATOR_MODE_NORMAL:
		return regmap_update_bits(rdev->regmap, reg,
					  PWM_MODE_MSK, AUTO_PWM_MODE);
	default:
		dev_err(&rdev->dev, "do not support this mode\n");
		return -EINVAL;
	}

	return 0;
}

static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
	switch (mode) {
	case REGULATOR_MODE_FAST:
		return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
					  PWM_MODE_MSK, FPWM_MODE);
	case REGULATOR_MODE_NORMAL:
		return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
					  PWM_MODE_MSK, AUTO_PWM_MODE);
	default:
		dev_err(&rdev->dev, "do not support this mode\n");
		return -EINVAL;
	}

	return 0;
}

static unsigned int rk8xx_get_mode(struct regulator_dev *rdev)
{
	unsigned int val;
	int err;

	err = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
	if (err)
		return err;

	if (val & FPWM_MODE)
		return REGULATOR_MODE_FAST;
	else
		return REGULATOR_MODE_NORMAL;
}

static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev)
{
	unsigned int val;
	int ret;

	ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
	if (ret != 0)
		return ret;

	/* add write mask bit */
	val |= (rdev->desc->enable_mask & 0xf0);
	val &= rdev->desc->enable_mask;

	if (rdev->desc->enable_is_inverted) {
		if (rdev->desc->enable_val)
			return val != rdev->desc->enable_val;
		return (val == 0);
	}
	if (rdev->desc->enable_val)
		return val == rdev->desc->enable_val;
	return val != 0;
}

static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode)
{
	switch (mode) {
	case 1:
		return REGULATOR_MODE_FAST;
	case 2:
		return REGULATOR_MODE_NORMAL;
	default:
		return REGULATOR_MODE_INVALID;
	}
}

static const struct regulator_ops rk805_reg_ops = {
	.list_voltage           = regulator_list_voltage_linear,
	.map_voltage            = regulator_map_voltage_linear,
	.get_voltage_sel        = regulator_get_voltage_sel_regmap,
	.set_voltage_sel        = regulator_set_voltage_sel_regmap,
	.enable                 = regulator_enable_regmap,
	.disable                = regulator_disable_regmap,
	.is_enabled             = regulator_is_enabled_regmap,
	.set_suspend_voltage    = rk808_set_suspend_voltage,
	.set_suspend_enable     = rk805_set_suspend_enable,
	.set_suspend_disable    = rk805_set_suspend_disable,
};

static const struct regulator_ops rk805_switch_ops = {
	.enable                 = regulator_enable_regmap,
	.disable                = regulator_disable_regmap,
	.is_enabled             = regulator_is_enabled_regmap,
	.set_suspend_enable     = rk805_set_suspend_enable,
	.set_suspend_disable    = rk805_set_suspend_disable,
};

static const struct regulator_ops rk808_buck1_2_ops = {
	.list_voltage		= regulator_list_voltage_linear,
	.map_voltage		= regulator_map_voltage_linear,
	.get_voltage_sel	= rk808_buck1_2_get_voltage_sel_regmap,
	.set_voltage_sel	= rk808_buck1_2_set_voltage_sel,
	.set_voltage_time_sel	= rk808_buck1_2_set_voltage_time_sel,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= regulator_is_enabled_regmap,
	.set_ramp_delay		= rk808_set_ramp_delay,
	.set_suspend_voltage	= rk808_set_suspend_voltage,
	.set_suspend_enable	= rk808_set_suspend_enable,
	.set_suspend_disable	= rk808_set_suspend_disable,
};

static const struct regulator_ops rk808_reg_ops = {
	.list_voltage		= regulator_list_voltage_linear,
	.map_voltage		= regulator_map_voltage_linear,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= regulator_is_enabled_regmap,
	.set_suspend_voltage	= rk808_set_suspend_voltage,
	.set_suspend_enable	= rk808_set_suspend_enable,
	.set_suspend_disable	= rk808_set_suspend_disable,
};

static const struct regulator_ops rk808_reg_ops_ranges = {
	.list_voltage		= regulator_list_voltage_linear_range,
	.map_voltage		= regulator_map_voltage_linear_range,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= regulator_is_enabled_regmap,
	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
	.set_suspend_enable	= rk808_set_suspend_enable,
	.set_suspend_disable	= rk808_set_suspend_disable,
};

static const struct regulator_ops rk808_switch_ops = {
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= regulator_is_enabled_regmap,
	.set_suspend_enable	= rk808_set_suspend_enable,
	.set_suspend_disable	= rk808_set_suspend_disable,
};

static const struct linear_range rk805_buck_1_2_voltage_ranges[] = {
	REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
	REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
	REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
};

static const struct regulator_ops rk809_buck5_ops_range = {
	.list_voltage		= regulator_list_voltage_linear_range,
	.map_voltage		= regulator_map_voltage_linear_range,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
	.set_suspend_enable	= rk817_set_suspend_enable,
	.set_suspend_disable	= rk817_set_suspend_disable,
};

static const struct regulator_ops rk817_reg_ops = {
	.list_voltage		= regulator_list_voltage_linear,
	.map_voltage		= regulator_map_voltage_linear,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
	.set_suspend_voltage	= rk808_set_suspend_voltage,
	.set_suspend_enable	= rk817_set_suspend_enable,
	.set_suspend_disable	= rk817_set_suspend_disable,
};

static const struct regulator_ops rk817_boost_ops = {
	.list_voltage		= regulator_list_voltage_linear,
	.map_voltage		= regulator_map_voltage_linear,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
	.set_suspend_enable	= rk817_set_suspend_enable,
	.set_suspend_disable	= rk817_set_suspend_disable,
};

static const struct regulator_ops rk817_buck_ops_range = {
	.list_voltage		= regulator_list_voltage_linear_range,
	.map_voltage		= regulator_map_voltage_linear_range,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
	.set_mode		= rk8xx_set_mode,
	.get_mode		= rk8xx_get_mode,
	.set_suspend_mode	= rk8xx_set_suspend_mode,
	.set_ramp_delay		= rk817_set_ramp_delay,
	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
	.set_suspend_enable	= rk817_set_suspend_enable,
	.set_suspend_disable	= rk817_set_suspend_disable,
};

static const struct regulator_ops rk817_switch_ops = {
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
	.set_suspend_enable	= rk817_set_suspend_enable,
	.set_suspend_disable	= rk817_set_suspend_disable,
};

static const struct regulator_desc rk805_reg[] = {
	{
		.name = "DCDC_REG1",
		.supply_name = "vcc1",
		.of_match = of_match_ptr("DCDC_REG1"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK805_ID_DCDC1,
		.ops = &rk808_reg_ops_ranges,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 64,
		.linear_ranges = rk805_buck_1_2_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
		.vsel_reg = RK805_BUCK1_ON_VSEL_REG,
		.vsel_mask = RK818_BUCK_VSEL_MASK,
		.enable_reg = RK805_DCDC_EN_REG,
		.enable_mask = BIT(0),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG2",
		.supply_name = "vcc2",
		.of_match = of_match_ptr("DCDC_REG2"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK805_ID_DCDC2,
		.ops = &rk808_reg_ops_ranges,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 64,
		.linear_ranges = rk805_buck_1_2_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
		.vsel_reg = RK805_BUCK2_ON_VSEL_REG,
		.vsel_mask = RK818_BUCK_VSEL_MASK,
		.enable_reg = RK805_DCDC_EN_REG,
		.enable_mask = BIT(1),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG3",
		.supply_name = "vcc3",
		.of_match = of_match_ptr("DCDC_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK805_ID_DCDC3,
		.ops = &rk805_switch_ops,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 1,
		.enable_reg = RK805_DCDC_EN_REG,
		.enable_mask = BIT(2),
		.owner = THIS_MODULE,
	},

	RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
		RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
		RK805_DCDC_EN_REG, BIT(3), 0),

	RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
		RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
		BIT(0), 400),
	RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
		RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
		BIT(1), 400),
	RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
		RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
		BIT(2), 400),
};

static const struct regulator_desc rk808_reg[] = {
	{
		.name = "DCDC_REG1",
		.supply_name = "vcc1",
		.of_match = of_match_ptr("DCDC_REG1"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK808_ID_DCDC1,
		.ops = &rk808_buck1_2_ops,
		.type = REGULATOR_VOLTAGE,
		.min_uV = 712500,
		.uV_step = 12500,
		.n_voltages = 64,
		.vsel_reg = RK808_BUCK1_ON_VSEL_REG,
		.vsel_mask = RK808_BUCK_VSEL_MASK,
		.enable_reg = RK808_DCDC_EN_REG,
		.enable_mask = BIT(0),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG2",
		.supply_name = "vcc2",
		.of_match = of_match_ptr("DCDC_REG2"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK808_ID_DCDC2,
		.ops = &rk808_buck1_2_ops,
		.type = REGULATOR_VOLTAGE,
		.min_uV = 712500,
		.uV_step = 12500,
		.n_voltages = 64,
		.vsel_reg = RK808_BUCK2_ON_VSEL_REG,
		.vsel_mask = RK808_BUCK_VSEL_MASK,
		.enable_reg = RK808_DCDC_EN_REG,
		.enable_mask = BIT(1),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG3",
		.supply_name = "vcc3",
		.of_match = of_match_ptr("DCDC_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK808_ID_DCDC3,
		.ops = &rk808_switch_ops,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 1,
		.enable_reg = RK808_DCDC_EN_REG,
		.enable_mask = BIT(2),
		.owner = THIS_MODULE,
	},
	RK8XX_DESC(RK808_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3300, 100,
		RK808_BUCK4_ON_VSEL_REG, RK808_BUCK4_VSEL_MASK,
		RK808_DCDC_EN_REG, BIT(3), 0),
	RK8XX_DESC(RK808_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
		RK808_LDO1_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(0), 400),
	RK8XX_DESC(RK808_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
		RK808_LDO2_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(1), 400),
	{
		.name = "LDO_REG3",
		.supply_name = "vcc7",
		.of_match = of_match_ptr("LDO_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK808_ID_LDO3,
		.ops = &rk808_reg_ops_ranges,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 16,
		.linear_ranges = rk808_ldo3_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
		.vsel_reg = RK808_LDO3_ON_VSEL_REG,
		.vsel_mask = RK808_BUCK4_VSEL_MASK,
		.enable_reg = RK808_LDO_EN_REG,
		.enable_mask = BIT(2),
		.enable_time = 400,
		.owner = THIS_MODULE,
	},
	RK8XX_DESC(RK808_ID_LDO4, "LDO_REG4", "vcc9", 1800, 3400, 100,
		RK808_LDO4_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(3), 400),
	RK8XX_DESC(RK808_ID_LDO5, "LDO_REG5", "vcc9", 1800, 3400, 100,
		RK808_LDO5_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(4), 400),
	RK8XX_DESC(RK808_ID_LDO6, "LDO_REG6", "vcc10", 800, 2500, 100,
		RK808_LDO6_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(5), 400),
	RK8XX_DESC(RK808_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
		RK808_LDO7_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(6), 400),
	RK8XX_DESC(RK808_ID_LDO8, "LDO_REG8", "vcc11", 1800, 3400, 100,
		RK808_LDO8_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
		BIT(7), 400),
	RK8XX_DESC_SWITCH(RK808_ID_SWITCH1, "SWITCH_REG1", "vcc8",
		RK808_DCDC_EN_REG, BIT(5)),
	RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
		RK808_DCDC_EN_REG, BIT(6)),
};

static const struct regulator_desc rk809_reg[] = {
	{
		.name = "DCDC_REG1",
		.supply_name = "vcc1",
		.of_match = of_match_ptr("DCDC_REG1"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC1,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK1_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG2",
		.supply_name = "vcc2",
		.of_match = of_match_ptr("DCDC_REG2"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC2,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK2_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG3",
		.supply_name = "vcc3",
		.of_match = of_match_ptr("DCDC_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC3,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK3_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG4",
		.supply_name = "vcc4",
		.of_match = of_match_ptr("DCDC_REG4"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC4,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK3_SEL_CNT + 1,
		.linear_ranges = rk817_buck3_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
		.vsel_reg = RK817_BUCK4_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	},
	{
		.name = "DCDC_REG5",
		.supply_name = "vcc9",
		.of_match = of_match_ptr("DCDC_REG5"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK809_ID_DCDC5,
		.ops = &rk809_buck5_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK809_BUCK5_SEL_CNT,
		.linear_ranges = rk809_buck5_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk809_buck5_voltage_ranges),
		.vsel_reg = RK809_BUCK5_CONFIG(0),
		.vsel_mask = RK809_BUCK5_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(3),
		.enable_mask = ENABLE_MASK(1),
		.enable_val = ENABLE_MASK(1),
		.disable_val = DISABLE_VAL(1),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	},
	RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(1),
		   DISABLE_VAL(1), 400),
	RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(2),
		   DISABLE_VAL(2), 400),
	RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(3),
		   DISABLE_VAL(3), 400),
	RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(1),
		   DISABLE_VAL(1), 400),
	RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(2),
		   DISABLE_VAL(2), 400),
	RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(3),
		   DISABLE_VAL(3), 400),
	RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(3), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_DESC_SWITCH(RK809_ID_SW1, "SWITCH_REG1", "vcc9",
			  RK817_POWER_EN_REG(3), ENABLE_MASK(2),
			  DISABLE_VAL(2)),
	RK817_DESC_SWITCH(RK809_ID_SW2, "SWITCH_REG2", "vcc8",
			  RK817_POWER_EN_REG(3), ENABLE_MASK(3),
			  DISABLE_VAL(3)),
};

static const struct regulator_desc rk817_reg[] = {
	{
		.name = "DCDC_REG1",
		.supply_name = "vcc1",
		.of_match = of_match_ptr("DCDC_REG1"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC1,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK1_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG2",
		.supply_name = "vcc2",
		.of_match = of_match_ptr("DCDC_REG2"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC2,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK2_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG3",
		.supply_name = "vcc3",
		.of_match = of_match_ptr("DCDC_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC3,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
		.linear_ranges = rk817_buck1_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
		.vsel_reg = RK817_BUCK3_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG4",
		.supply_name = "vcc4",
		.of_match = of_match_ptr("DCDC_REG4"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK817_ID_DCDC4,
		.ops = &rk817_buck_ops_range,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = RK817_BUCK3_SEL_CNT + 1,
		.linear_ranges = rk817_buck3_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
		.vsel_reg = RK817_BUCK4_ON_VSEL_REG,
		.vsel_mask = RK817_BUCK_VSEL_MASK,
		.enable_reg = RK817_POWER_EN_REG(0),
		.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
		.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
		.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
		.of_map_mode = rk8xx_regulator_of_map_mode,
		.owner = THIS_MODULE,
	},
	RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(1),
		   DISABLE_VAL(1), 400),
	RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(2),
		   DISABLE_VAL(2), 400),
	RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(1), ENABLE_MASK(3),
		   DISABLE_VAL(3), 400),
	RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(1),
		   DISABLE_VAL(1), 400),
	RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(2),
		   DISABLE_VAL(2), 400),
	RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(2), ENABLE_MASK(3),
		   DISABLE_VAL(3), 400),
	RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
		   RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
		   RK817_POWER_EN_REG(3), ENABLE_MASK(0),
		   DISABLE_VAL(0), 400),
	RK817_BOOST_DESC(RK817_ID_BOOST, "BOOST", "vcc8", 4700, 5400, 100,
			 RK817_BOOST_OTG_CFG, RK817_BOOST_VSEL_MASK,
			 RK817_POWER_EN_REG(3), ENABLE_MASK(1), ENABLE_MASK(1),
		   DISABLE_VAL(1), 400, 3500 - 5400),
	RK817_DESC_SWITCH(RK817_ID_BOOST_OTG_SW, "OTG_SWITCH", "vcc9",
			  RK817_POWER_EN_REG(3), ENABLE_MASK(2),
			  DISABLE_VAL(2)),
};

static const struct regulator_desc rk818_reg[] = {
	{
		.name = "DCDC_REG1",
		.supply_name = "vcc1",
		.of_match = of_match_ptr("DCDC_REG1"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK818_ID_DCDC1,
		.ops = &rk808_reg_ops,
		.type = REGULATOR_VOLTAGE,
		.min_uV = 712500,
		.uV_step = 12500,
		.n_voltages = 64,
		.vsel_reg = RK818_BUCK1_ON_VSEL_REG,
		.vsel_mask = RK818_BUCK_VSEL_MASK,
		.enable_reg = RK818_DCDC_EN_REG,
		.enable_mask = BIT(0),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG2",
		.supply_name = "vcc2",
		.of_match = of_match_ptr("DCDC_REG2"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK818_ID_DCDC2,
		.ops = &rk808_reg_ops,
		.type = REGULATOR_VOLTAGE,
		.min_uV = 712500,
		.uV_step = 12500,
		.n_voltages = 64,
		.vsel_reg = RK818_BUCK2_ON_VSEL_REG,
		.vsel_mask = RK818_BUCK_VSEL_MASK,
		.enable_reg = RK818_DCDC_EN_REG,
		.enable_mask = BIT(1),
		.owner = THIS_MODULE,
	}, {
		.name = "DCDC_REG3",
		.supply_name = "vcc3",
		.of_match = of_match_ptr("DCDC_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK818_ID_DCDC3,
		.ops = &rk808_switch_ops,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 1,
		.enable_reg = RK818_DCDC_EN_REG,
		.enable_mask = BIT(2),
		.owner = THIS_MODULE,
	},
	RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
		RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
		RK818_DCDC_EN_REG, BIT(3), 0),
	RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
		RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
		RK818_DCDC_EN_REG, BIT(4), 0),
	RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
		RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(0), 400),
	RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
		RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(1), 400),
	{
		.name = "LDO_REG3",
		.supply_name = "vcc7",
		.of_match = of_match_ptr("LDO_REG3"),
		.regulators_node = of_match_ptr("regulators"),
		.id = RK818_ID_LDO3,
		.ops = &rk808_reg_ops_ranges,
		.type = REGULATOR_VOLTAGE,
		.n_voltages = 16,
		.linear_ranges = rk808_ldo3_voltage_ranges,
		.n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
		.vsel_reg = RK818_LDO3_ON_VSEL_REG,
		.vsel_mask = RK818_LDO3_ON_VSEL_MASK,
		.enable_reg = RK818_LDO_EN_REG,
		.enable_mask = BIT(2),
		.enable_time = 400,
		.owner = THIS_MODULE,
	},
	RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
		RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(3), 400),
	RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
		RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(4), 400),
	RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
		RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(5), 400),
	RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
		RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(6), 400),
	RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
		RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
		BIT(7), 400),
	RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
		RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
		RK818_DCDC_EN_REG, BIT(5), 400),
	RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
		RK818_DCDC_EN_REG, BIT(6)),
	RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
		RK818_H5V_EN_REG, BIT(0)),
	RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
		RK818_DCDC_EN_REG, BIT(7)),
};

static int rk808_regulator_dt_parse_pdata(struct device *dev,
				   struct device *client_dev,
				   struct regmap *map,
				   struct rk808_regulator_data *pdata)
{
	struct device_node *np;
	int tmp, ret = 0, i;

	np = of_get_child_by_name(client_dev->of_node, "regulators");
	if (!np)
		return -ENXIO;

	for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
		pdata->dvs_gpio[i] =
			devm_gpiod_get_index_optional(client_dev, "dvs", i,
						      GPIOD_OUT_LOW);
		if (IS_ERR(pdata->dvs_gpio[i])) {
			ret = PTR_ERR(pdata->dvs_gpio[i]);
			dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
			goto dt_parse_end;
		}

		if (!pdata->dvs_gpio[i]) {
			dev_info(dev, "there is no dvs%d gpio\n", i);
			continue;
		}

		tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
		ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
				gpiod_is_active_low(pdata->dvs_gpio[i]) ?
				0 : tmp);
	}

dt_parse_end:
	of_node_put(np);
	return ret;
}

static int rk808_regulator_probe(struct platform_device *pdev)
{
	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
	struct i2c_client *client = rk808->i2c;
	struct regulator_config config = {};
	struct regulator_dev *rk808_rdev;
	struct rk808_regulator_data *pdata;
	const struct regulator_desc *regulators;
	int ret, i, nregulators;

	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	if (!pdata)
		return -ENOMEM;

	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
					     rk808->regmap, pdata);
	if (ret < 0)
		return ret;

	platform_set_drvdata(pdev, pdata);

	switch (rk808->variant) {
	case RK805_ID:
		regulators = rk805_reg;
		nregulators = RK805_NUM_REGULATORS;
		break;
	case RK808_ID:
		regulators = rk808_reg;
		nregulators = RK808_NUM_REGULATORS;
		break;
	case RK809_ID:
		regulators = rk809_reg;
		nregulators = RK809_NUM_REGULATORS;
		break;
	case RK817_ID:
		regulators = rk817_reg;
		nregulators = RK817_NUM_REGULATORS;
		break;
	case RK818_ID:
		regulators = rk818_reg;
		nregulators = RK818_NUM_REGULATORS;
		break;
	default:
		dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
			rk808->variant);
		return -EINVAL;
	}

	config.dev = &client->dev;
	config.driver_data = pdata;
	config.regmap = rk808->regmap;

	/* Instantiate the regulators */
	for (i = 0; i < nregulators; i++) {
		rk808_rdev = devm_regulator_register(&pdev->dev,
						     &regulators[i], &config);
		if (IS_ERR(rk808_rdev)) {
			dev_err(&client->dev,
				"failed to register %d regulator\n", i);
			return PTR_ERR(rk808_rdev);
		}
	}

	return 0;
}

static struct platform_driver rk808_regulator_driver = {
	.probe = rk808_regulator_probe,
	.driver = {
		.name = "rk808-regulator"
	},
};

module_platform_driver(rk808_regulator_driver);

MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK818 series PMICs");
MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>");
MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rk808-regulator");