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1/*
2 * tps65910.c  --  TI tps65910
3 *
4 * Copyright 2010 Texas Instruments Inc.
5 *
6 * Author: Graeme Gregory <gg@slimlogic.co.uk>
7 * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
8 *
9 *  This program is free software; you can redistribute it and/or modify it
10 *  under  the terms of the GNU General  Public License as published by the
11 *  Free Software Foundation;  either version 2 of the License, or (at your
12 *  option) any later version.
13 *
14 */
15
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/init.h>
19#include <linux/err.h>
20#include <linux/platform_device.h>
21#include <linux/regulator/driver.h>
22#include <linux/regulator/machine.h>
23#include <linux/slab.h>
24#include <linux/gpio.h>
25#include <linux/mfd/tps65910.h>
26#include <linux/regulator/of_regulator.h>
27
28#define TPS65910_SUPPLY_STATE_ENABLED	0x1
29#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 |	\
30			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 |		\
31			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 |		\
32			TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
33
34/* supported VIO voltages in microvolts */
35static const unsigned int VIO_VSEL_table[] = {
36	1500000, 1800000, 2500000, 3300000,
37};
38
39/* VSEL tables for TPS65910 specific LDOs and dcdc's */
40
41/* supported VRTC voltages in microvolts */
42static const unsigned int VRTC_VSEL_table[] = {
43	1800000,
44};
45
46/* supported VDD3 voltages in microvolts */
47static const unsigned int VDD3_VSEL_table[] = {
48	5000000,
49};
50
51/* supported VDIG1 voltages in microvolts */
52static const unsigned int VDIG1_VSEL_table[] = {
53	1200000, 1500000, 1800000, 2700000,
54};
55
56/* supported VDIG2 voltages in microvolts */
57static const unsigned int VDIG2_VSEL_table[] = {
58	1000000, 1100000, 1200000, 1800000,
59};
60
61/* supported VPLL voltages in microvolts */
62static const unsigned int VPLL_VSEL_table[] = {
63	1000000, 1100000, 1800000, 2500000,
64};
65
66/* supported VDAC voltages in microvolts */
67static const unsigned int VDAC_VSEL_table[] = {
68	1800000, 2600000, 2800000, 2850000,
69};
70
71/* supported VAUX1 voltages in microvolts */
72static const unsigned int VAUX1_VSEL_table[] = {
73	1800000, 2500000, 2800000, 2850000,
74};
75
76/* supported VAUX2 voltages in microvolts */
77static const unsigned int VAUX2_VSEL_table[] = {
78	1800000, 2800000, 2900000, 3300000,
79};
80
81/* supported VAUX33 voltages in microvolts */
82static const unsigned int VAUX33_VSEL_table[] = {
83	1800000, 2000000, 2800000, 3300000,
84};
85
86/* supported VMMC voltages in microvolts */
87static const unsigned int VMMC_VSEL_table[] = {
88	1800000, 2800000, 3000000, 3300000,
89};
90
91/* supported BBCH voltages in microvolts */
92static const unsigned int VBB_VSEL_table[] = {
93	3000000, 2520000, 3150000, 5000000,
94};
95
96struct tps_info {
97	const char *name;
98	const char *vin_name;
99	u8 n_voltages;
100	const unsigned int *voltage_table;
101	int enable_time_us;
102};
103
104static struct tps_info tps65910_regs[] = {
105	{
106		.name = "vrtc",
107		.vin_name = "vcc7",
108		.n_voltages = ARRAY_SIZE(VRTC_VSEL_table),
109		.voltage_table = VRTC_VSEL_table,
110		.enable_time_us = 2200,
111	},
112	{
113		.name = "vio",
114		.vin_name = "vccio",
115		.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
116		.voltage_table = VIO_VSEL_table,
117		.enable_time_us = 350,
118	},
119	{
120		.name = "vdd1",
121		.vin_name = "vcc1",
122		.enable_time_us = 350,
123	},
124	{
125		.name = "vdd2",
126		.vin_name = "vcc2",
127		.enable_time_us = 350,
128	},
129	{
130		.name = "vdd3",
131		.n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
132		.voltage_table = VDD3_VSEL_table,
133		.enable_time_us = 200,
134	},
135	{
136		.name = "vdig1",
137		.vin_name = "vcc6",
138		.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
139		.voltage_table = VDIG1_VSEL_table,
140		.enable_time_us = 100,
141	},
142	{
143		.name = "vdig2",
144		.vin_name = "vcc6",
145		.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
146		.voltage_table = VDIG2_VSEL_table,
147		.enable_time_us = 100,
148	},
149	{
150		.name = "vpll",
151		.vin_name = "vcc5",
152		.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
153		.voltage_table = VPLL_VSEL_table,
154		.enable_time_us = 100,
155	},
156	{
157		.name = "vdac",
158		.vin_name = "vcc5",
159		.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
160		.voltage_table = VDAC_VSEL_table,
161		.enable_time_us = 100,
162	},
163	{
164		.name = "vaux1",
165		.vin_name = "vcc4",
166		.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
167		.voltage_table = VAUX1_VSEL_table,
168		.enable_time_us = 100,
169	},
170	{
171		.name = "vaux2",
172		.vin_name = "vcc4",
173		.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
174		.voltage_table = VAUX2_VSEL_table,
175		.enable_time_us = 100,
176	},
177	{
178		.name = "vaux33",
179		.vin_name = "vcc3",
180		.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
181		.voltage_table = VAUX33_VSEL_table,
182		.enable_time_us = 100,
183	},
184	{
185		.name = "vmmc",
186		.vin_name = "vcc3",
187		.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
188		.voltage_table = VMMC_VSEL_table,
189		.enable_time_us = 100,
190	},
191	{
192		.name = "vbb",
193		.vin_name = "vcc7",
194		.n_voltages = ARRAY_SIZE(VBB_VSEL_table),
195		.voltage_table = VBB_VSEL_table,
196	},
197};
198
199static struct tps_info tps65911_regs[] = {
200	{
201		.name = "vrtc",
202		.vin_name = "vcc7",
203		.enable_time_us = 2200,
204	},
205	{
206		.name = "vio",
207		.vin_name = "vccio",
208		.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
209		.voltage_table = VIO_VSEL_table,
210		.enable_time_us = 350,
211	},
212	{
213		.name = "vdd1",
214		.vin_name = "vcc1",
215		.n_voltages = 0x4C,
216		.enable_time_us = 350,
217	},
218	{
219		.name = "vdd2",
220		.vin_name = "vcc2",
221		.n_voltages = 0x4C,
222		.enable_time_us = 350,
223	},
224	{
225		.name = "vddctrl",
226		.n_voltages = 0x44,
227		.enable_time_us = 900,
228	},
229	{
230		.name = "ldo1",
231		.vin_name = "vcc6",
232		.n_voltages = 0x33,
233		.enable_time_us = 420,
234	},
235	{
236		.name = "ldo2",
237		.vin_name = "vcc6",
238		.n_voltages = 0x33,
239		.enable_time_us = 420,
240	},
241	{
242		.name = "ldo3",
243		.vin_name = "vcc5",
244		.n_voltages = 0x1A,
245		.enable_time_us = 230,
246	},
247	{
248		.name = "ldo4",
249		.vin_name = "vcc5",
250		.n_voltages = 0x33,
251		.enable_time_us = 230,
252	},
253	{
254		.name = "ldo5",
255		.vin_name = "vcc4",
256		.n_voltages = 0x1A,
257		.enable_time_us = 230,
258	},
259	{
260		.name = "ldo6",
261		.vin_name = "vcc3",
262		.n_voltages = 0x1A,
263		.enable_time_us = 230,
264	},
265	{
266		.name = "ldo7",
267		.vin_name = "vcc3",
268		.n_voltages = 0x1A,
269		.enable_time_us = 230,
270	},
271	{
272		.name = "ldo8",
273		.vin_name = "vcc3",
274		.n_voltages = 0x1A,
275		.enable_time_us = 230,
276	},
277};
278
279#define EXT_CONTROL_REG_BITS(id, regs_offs, bits) (((regs_offs) << 8) | (bits))
280static unsigned int tps65910_ext_sleep_control[] = {
281	0,
282	EXT_CONTROL_REG_BITS(VIO,    1, 0),
283	EXT_CONTROL_REG_BITS(VDD1,   1, 1),
284	EXT_CONTROL_REG_BITS(VDD2,   1, 2),
285	EXT_CONTROL_REG_BITS(VDD3,   1, 3),
286	EXT_CONTROL_REG_BITS(VDIG1,  0, 1),
287	EXT_CONTROL_REG_BITS(VDIG2,  0, 2),
288	EXT_CONTROL_REG_BITS(VPLL,   0, 6),
289	EXT_CONTROL_REG_BITS(VDAC,   0, 7),
290	EXT_CONTROL_REG_BITS(VAUX1,  0, 3),
291	EXT_CONTROL_REG_BITS(VAUX2,  0, 4),
292	EXT_CONTROL_REG_BITS(VAUX33, 0, 5),
293	EXT_CONTROL_REG_BITS(VMMC,   0, 0),
294};
295
296static unsigned int tps65911_ext_sleep_control[] = {
297	0,
298	EXT_CONTROL_REG_BITS(VIO,     1, 0),
299	EXT_CONTROL_REG_BITS(VDD1,    1, 1),
300	EXT_CONTROL_REG_BITS(VDD2,    1, 2),
301	EXT_CONTROL_REG_BITS(VDDCTRL, 1, 3),
302	EXT_CONTROL_REG_BITS(LDO1,    0, 1),
303	EXT_CONTROL_REG_BITS(LDO2,    0, 2),
304	EXT_CONTROL_REG_BITS(LDO3,    0, 7),
305	EXT_CONTROL_REG_BITS(LDO4,    0, 6),
306	EXT_CONTROL_REG_BITS(LDO5,    0, 3),
307	EXT_CONTROL_REG_BITS(LDO6,    0, 0),
308	EXT_CONTROL_REG_BITS(LDO7,    0, 5),
309	EXT_CONTROL_REG_BITS(LDO8,    0, 4),
310};
311
312struct tps65910_reg {
313	struct regulator_desc *desc;
314	struct tps65910 *mfd;
315	struct regulator_dev **rdev;
316	struct tps_info **info;
317	int num_regulators;
318	int mode;
319	int  (*get_ctrl_reg)(int);
320	unsigned int *ext_sleep_control;
321	unsigned int board_ext_control[TPS65910_NUM_REGS];
322};
323
324static int tps65910_get_ctrl_register(int id)
325{
326	switch (id) {
327	case TPS65910_REG_VRTC:
328		return TPS65910_VRTC;
329	case TPS65910_REG_VIO:
330		return TPS65910_VIO;
331	case TPS65910_REG_VDD1:
332		return TPS65910_VDD1;
333	case TPS65910_REG_VDD2:
334		return TPS65910_VDD2;
335	case TPS65910_REG_VDD3:
336		return TPS65910_VDD3;
337	case TPS65910_REG_VDIG1:
338		return TPS65910_VDIG1;
339	case TPS65910_REG_VDIG2:
340		return TPS65910_VDIG2;
341	case TPS65910_REG_VPLL:
342		return TPS65910_VPLL;
343	case TPS65910_REG_VDAC:
344		return TPS65910_VDAC;
345	case TPS65910_REG_VAUX1:
346		return TPS65910_VAUX1;
347	case TPS65910_REG_VAUX2:
348		return TPS65910_VAUX2;
349	case TPS65910_REG_VAUX33:
350		return TPS65910_VAUX33;
351	case TPS65910_REG_VMMC:
352		return TPS65910_VMMC;
353	case TPS65910_REG_VBB:
354		return TPS65910_BBCH;
355	default:
356		return -EINVAL;
357	}
358}
359
360static int tps65911_get_ctrl_register(int id)
361{
362	switch (id) {
363	case TPS65910_REG_VRTC:
364		return TPS65910_VRTC;
365	case TPS65910_REG_VIO:
366		return TPS65910_VIO;
367	case TPS65910_REG_VDD1:
368		return TPS65910_VDD1;
369	case TPS65910_REG_VDD2:
370		return TPS65910_VDD2;
371	case TPS65911_REG_VDDCTRL:
372		return TPS65911_VDDCTRL;
373	case TPS65911_REG_LDO1:
374		return TPS65911_LDO1;
375	case TPS65911_REG_LDO2:
376		return TPS65911_LDO2;
377	case TPS65911_REG_LDO3:
378		return TPS65911_LDO3;
379	case TPS65911_REG_LDO4:
380		return TPS65911_LDO4;
381	case TPS65911_REG_LDO5:
382		return TPS65911_LDO5;
383	case TPS65911_REG_LDO6:
384		return TPS65911_LDO6;
385	case TPS65911_REG_LDO7:
386		return TPS65911_LDO7;
387	case TPS65911_REG_LDO8:
388		return TPS65911_LDO8;
389	default:
390		return -EINVAL;
391	}
392}
393
394static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
395{
396	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
397	struct tps65910 *mfd = pmic->mfd;
398	int reg, value, id = rdev_get_id(dev);
399
400	reg = pmic->get_ctrl_reg(id);
401	if (reg < 0)
402		return reg;
403
404	switch (mode) {
405	case REGULATOR_MODE_NORMAL:
406		return tps65910_reg_update_bits(pmic->mfd, reg,
407						LDO_ST_MODE_BIT | LDO_ST_ON_BIT,
408						LDO_ST_ON_BIT);
409	case REGULATOR_MODE_IDLE:
410		value = LDO_ST_ON_BIT | LDO_ST_MODE_BIT;
411		return tps65910_reg_set_bits(mfd, reg, value);
412	case REGULATOR_MODE_STANDBY:
413		return tps65910_reg_clear_bits(mfd, reg, LDO_ST_ON_BIT);
414	}
415
416	return -EINVAL;
417}
418
419static unsigned int tps65910_get_mode(struct regulator_dev *dev)
420{
421	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
422	int ret, reg, value, id = rdev_get_id(dev);
423
424	reg = pmic->get_ctrl_reg(id);
425	if (reg < 0)
426		return reg;
427
428	ret = tps65910_reg_read(pmic->mfd, reg, &value);
429	if (ret < 0)
430		return ret;
431
432	if (!(value & LDO_ST_ON_BIT))
433		return REGULATOR_MODE_STANDBY;
434	else if (value & LDO_ST_MODE_BIT)
435		return REGULATOR_MODE_IDLE;
436	else
437		return REGULATOR_MODE_NORMAL;
438}
439
440static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
441{
442	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
443	int ret, id = rdev_get_id(dev);
444	int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
445
446	switch (id) {
447	case TPS65910_REG_VDD1:
448		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1_OP, &opvsel);
449		if (ret < 0)
450			return ret;
451		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1, &mult);
452		if (ret < 0)
453			return ret;
454		mult = (mult & VDD1_VGAIN_SEL_MASK) >> VDD1_VGAIN_SEL_SHIFT;
455		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD1_SR, &srvsel);
456		if (ret < 0)
457			return ret;
458		sr = opvsel & VDD1_OP_CMD_MASK;
459		opvsel &= VDD1_OP_SEL_MASK;
460		srvsel &= VDD1_SR_SEL_MASK;
461		vselmax = 75;
462		break;
463	case TPS65910_REG_VDD2:
464		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2_OP, &opvsel);
465		if (ret < 0)
466			return ret;
467		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2, &mult);
468		if (ret < 0)
469			return ret;
470		mult = (mult & VDD2_VGAIN_SEL_MASK) >> VDD2_VGAIN_SEL_SHIFT;
471		ret = tps65910_reg_read(pmic->mfd, TPS65910_VDD2_SR, &srvsel);
472		if (ret < 0)
473			return ret;
474		sr = opvsel & VDD2_OP_CMD_MASK;
475		opvsel &= VDD2_OP_SEL_MASK;
476		srvsel &= VDD2_SR_SEL_MASK;
477		vselmax = 75;
478		break;
479	case TPS65911_REG_VDDCTRL:
480		ret = tps65910_reg_read(pmic->mfd, TPS65911_VDDCTRL_OP,
481					&opvsel);
482		if (ret < 0)
483			return ret;
484		ret = tps65910_reg_read(pmic->mfd, TPS65911_VDDCTRL_SR,
485					&srvsel);
486		if (ret < 0)
487			return ret;
488		sr = opvsel & VDDCTRL_OP_CMD_MASK;
489		opvsel &= VDDCTRL_OP_SEL_MASK;
490		srvsel &= VDDCTRL_SR_SEL_MASK;
491		vselmax = 64;
492		break;
493	}
494
495	/* multiplier 0 == 1 but 2,3 normal */
496	if (!mult)
497		mult = 1;
498
499	if (sr) {
500		/* normalise to valid range */
501		if (srvsel < 3)
502			srvsel = 3;
503		if (srvsel > vselmax)
504			srvsel = vselmax;
505		return srvsel - 3;
506	} else {
507
508		/* normalise to valid range*/
509		if (opvsel < 3)
510			opvsel = 3;
511		if (opvsel > vselmax)
512			opvsel = vselmax;
513		return opvsel - 3;
514	}
515	return -EINVAL;
516}
517
518static int tps65910_get_voltage_sel(struct regulator_dev *dev)
519{
520	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
521	int ret, reg, value, id = rdev_get_id(dev);
522
523	reg = pmic->get_ctrl_reg(id);
524	if (reg < 0)
525		return reg;
526
527	ret = tps65910_reg_read(pmic->mfd, reg, &value);
528	if (ret < 0)
529		return ret;
530
531	switch (id) {
532	case TPS65910_REG_VIO:
533	case TPS65910_REG_VDIG1:
534	case TPS65910_REG_VDIG2:
535	case TPS65910_REG_VPLL:
536	case TPS65910_REG_VDAC:
537	case TPS65910_REG_VAUX1:
538	case TPS65910_REG_VAUX2:
539	case TPS65910_REG_VAUX33:
540	case TPS65910_REG_VMMC:
541		value &= LDO_SEL_MASK;
542		value >>= LDO_SEL_SHIFT;
543		break;
544	case TPS65910_REG_VBB:
545		value &= BBCH_BBSEL_MASK;
546		value >>= BBCH_BBSEL_SHIFT;
547		break;
548	default:
549		return -EINVAL;
550	}
551
552	return value;
553}
554
555static int tps65910_get_voltage_vdd3(struct regulator_dev *dev)
556{
557	return dev->desc->volt_table[0];
558}
559
560static int tps65911_get_voltage_sel(struct regulator_dev *dev)
561{
562	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
563	int ret, id = rdev_get_id(dev);
564	unsigned int value, reg;
565
566	reg = pmic->get_ctrl_reg(id);
567
568	ret = tps65910_reg_read(pmic->mfd, reg, &value);
569	if (ret < 0)
570		return ret;
571
572	switch (id) {
573	case TPS65911_REG_LDO1:
574	case TPS65911_REG_LDO2:
575	case TPS65911_REG_LDO4:
576		value &= LDO1_SEL_MASK;
577		value >>= LDO_SEL_SHIFT;
578		break;
579	case TPS65911_REG_LDO3:
580	case TPS65911_REG_LDO5:
581	case TPS65911_REG_LDO6:
582	case TPS65911_REG_LDO7:
583	case TPS65911_REG_LDO8:
584		value &= LDO3_SEL_MASK;
585		value >>= LDO_SEL_SHIFT;
586		break;
587	case TPS65910_REG_VIO:
588		value &= LDO_SEL_MASK;
589		value >>= LDO_SEL_SHIFT;
590		break;
591	default:
592		return -EINVAL;
593	}
594
595	return value;
596}
597
598static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
599					 unsigned selector)
600{
601	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
602	int id = rdev_get_id(dev), vsel;
603	int dcdc_mult = 0;
604
605	switch (id) {
606	case TPS65910_REG_VDD1:
607		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
608		if (dcdc_mult == 1)
609			dcdc_mult--;
610		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
611
612		tps65910_reg_update_bits(pmic->mfd, TPS65910_VDD1,
613					 VDD1_VGAIN_SEL_MASK,
614					 dcdc_mult << VDD1_VGAIN_SEL_SHIFT);
615		tps65910_reg_write(pmic->mfd, TPS65910_VDD1_OP, vsel);
616		break;
617	case TPS65910_REG_VDD2:
618		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
619		if (dcdc_mult == 1)
620			dcdc_mult--;
621		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
622
623		tps65910_reg_update_bits(pmic->mfd, TPS65910_VDD2,
624					 VDD1_VGAIN_SEL_MASK,
625					 dcdc_mult << VDD2_VGAIN_SEL_SHIFT);
626		tps65910_reg_write(pmic->mfd, TPS65910_VDD2_OP, vsel);
627		break;
628	case TPS65911_REG_VDDCTRL:
629		vsel = selector + 3;
630		tps65910_reg_write(pmic->mfd, TPS65911_VDDCTRL_OP, vsel);
631	}
632
633	return 0;
634}
635
636static int tps65910_set_voltage_sel(struct regulator_dev *dev,
637				    unsigned selector)
638{
639	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
640	int reg, id = rdev_get_id(dev);
641
642	reg = pmic->get_ctrl_reg(id);
643	if (reg < 0)
644		return reg;
645
646	switch (id) {
647	case TPS65910_REG_VIO:
648	case TPS65910_REG_VDIG1:
649	case TPS65910_REG_VDIG2:
650	case TPS65910_REG_VPLL:
651	case TPS65910_REG_VDAC:
652	case TPS65910_REG_VAUX1:
653	case TPS65910_REG_VAUX2:
654	case TPS65910_REG_VAUX33:
655	case TPS65910_REG_VMMC:
656		return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK,
657						selector << LDO_SEL_SHIFT);
658	case TPS65910_REG_VBB:
659		return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK,
660						selector << BBCH_BBSEL_SHIFT);
661	}
662
663	return -EINVAL;
664}
665
666static int tps65911_set_voltage_sel(struct regulator_dev *dev,
667				    unsigned selector)
668{
669	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
670	int reg, id = rdev_get_id(dev);
671
672	reg = pmic->get_ctrl_reg(id);
673	if (reg < 0)
674		return reg;
675
676	switch (id) {
677	case TPS65911_REG_LDO1:
678	case TPS65911_REG_LDO2:
679	case TPS65911_REG_LDO4:
680		return tps65910_reg_update_bits(pmic->mfd, reg, LDO1_SEL_MASK,
681						selector << LDO_SEL_SHIFT);
682	case TPS65911_REG_LDO3:
683	case TPS65911_REG_LDO5:
684	case TPS65911_REG_LDO6:
685	case TPS65911_REG_LDO7:
686	case TPS65911_REG_LDO8:
687		return tps65910_reg_update_bits(pmic->mfd, reg, LDO3_SEL_MASK,
688						selector << LDO_SEL_SHIFT);
689	case TPS65910_REG_VIO:
690		return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK,
691						selector << LDO_SEL_SHIFT);
692	case TPS65910_REG_VBB:
693		return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK,
694						selector << BBCH_BBSEL_SHIFT);
695	}
696
697	return -EINVAL;
698}
699
700
701static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
702					unsigned selector)
703{
704	int volt, mult = 1, id = rdev_get_id(dev);
705
706	switch (id) {
707	case TPS65910_REG_VDD1:
708	case TPS65910_REG_VDD2:
709		mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
710		volt = VDD1_2_MIN_VOLT +
711			(selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET;
712		break;
713	case TPS65911_REG_VDDCTRL:
714		volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
715		break;
716	default:
717		BUG();
718		return -EINVAL;
719	}
720
721	return  volt * 100 * mult;
722}
723
724static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
725{
726	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
727	int step_mv = 0, id = rdev_get_id(dev);
728
729	switch (id) {
730	case TPS65911_REG_LDO1:
731	case TPS65911_REG_LDO2:
732	case TPS65911_REG_LDO4:
733		/* The first 5 values of the selector correspond to 1V */
734		if (selector < 5)
735			selector = 0;
736		else
737			selector -= 4;
738
739		step_mv = 50;
740		break;
741	case TPS65911_REG_LDO3:
742	case TPS65911_REG_LDO5:
743	case TPS65911_REG_LDO6:
744	case TPS65911_REG_LDO7:
745	case TPS65911_REG_LDO8:
746		/* The first 3 values of the selector correspond to 1V */
747		if (selector < 3)
748			selector = 0;
749		else
750			selector -= 2;
751
752		step_mv = 100;
753		break;
754	case TPS65910_REG_VIO:
755		return pmic->info[id]->voltage_table[selector];
756	default:
757		return -EINVAL;
758	}
759
760	return (LDO_MIN_VOLT + selector * step_mv) * 1000;
761}
762
763/* Regulator ops (except VRTC) */
764static struct regulator_ops tps65910_ops_dcdc = {
765	.is_enabled		= regulator_is_enabled_regmap,
766	.enable			= regulator_enable_regmap,
767	.disable		= regulator_disable_regmap,
768	.set_mode		= tps65910_set_mode,
769	.get_mode		= tps65910_get_mode,
770	.get_voltage_sel	= tps65910_get_voltage_dcdc_sel,
771	.set_voltage_sel	= tps65910_set_voltage_dcdc_sel,
772	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
773	.list_voltage		= tps65910_list_voltage_dcdc,
774	.map_voltage		= regulator_map_voltage_ascend,
775};
776
777static struct regulator_ops tps65910_ops_vdd3 = {
778	.is_enabled		= regulator_is_enabled_regmap,
779	.enable			= regulator_enable_regmap,
780	.disable		= regulator_disable_regmap,
781	.set_mode		= tps65910_set_mode,
782	.get_mode		= tps65910_get_mode,
783	.get_voltage		= tps65910_get_voltage_vdd3,
784	.list_voltage		= regulator_list_voltage_table,
785	.map_voltage		= regulator_map_voltage_ascend,
786};
787
788static struct regulator_ops tps65910_ops_vbb = {
789	.is_enabled		= regulator_is_enabled_regmap,
790	.enable			= regulator_enable_regmap,
791	.disable		= regulator_disable_regmap,
792	.set_mode		= tps65910_set_mode,
793	.get_mode		= tps65910_get_mode,
794	.get_voltage_sel	= tps65910_get_voltage_sel,
795	.set_voltage_sel	= tps65910_set_voltage_sel,
796	.list_voltage		= regulator_list_voltage_table,
797	.map_voltage		= regulator_map_voltage_iterate,
798};
799
800static struct regulator_ops tps65910_ops = {
801	.is_enabled		= regulator_is_enabled_regmap,
802	.enable			= regulator_enable_regmap,
803	.disable		= regulator_disable_regmap,
804	.set_mode		= tps65910_set_mode,
805	.get_mode		= tps65910_get_mode,
806	.get_voltage_sel	= tps65910_get_voltage_sel,
807	.set_voltage_sel	= tps65910_set_voltage_sel,
808	.list_voltage		= regulator_list_voltage_table,
809	.map_voltage		= regulator_map_voltage_ascend,
810};
811
812static struct regulator_ops tps65911_ops = {
813	.is_enabled		= regulator_is_enabled_regmap,
814	.enable			= regulator_enable_regmap,
815	.disable		= regulator_disable_regmap,
816	.set_mode		= tps65910_set_mode,
817	.get_mode		= tps65910_get_mode,
818	.get_voltage_sel	= tps65911_get_voltage_sel,
819	.set_voltage_sel	= tps65911_set_voltage_sel,
820	.list_voltage		= tps65911_list_voltage,
821	.map_voltage		= regulator_map_voltage_ascend,
822};
823
824static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
825		int id, int ext_sleep_config)
826{
827	struct tps65910 *mfd = pmic->mfd;
828	u8 regoffs = (pmic->ext_sleep_control[id] >> 8) & 0xFF;
829	u8 bit_pos = (1 << pmic->ext_sleep_control[id] & 0xFF);
830	int ret;
831
832	/*
833	 * Regulator can not be control from multiple external input EN1, EN2
834	 * and EN3 together.
835	 */
836	if (ext_sleep_config & EXT_SLEEP_CONTROL) {
837		int en_count;
838		en_count = ((ext_sleep_config &
839				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) != 0);
840		en_count += ((ext_sleep_config &
841				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) != 0);
842		en_count += ((ext_sleep_config &
843				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) != 0);
844		en_count += ((ext_sleep_config &
845				TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) != 0);
846		if (en_count > 1) {
847			dev_err(mfd->dev,
848				"External sleep control flag is not proper\n");
849			return -EINVAL;
850		}
851	}
852
853	pmic->board_ext_control[id] = ext_sleep_config;
854
855	/* External EN1 control */
856	if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1)
857		ret = tps65910_reg_set_bits(mfd,
858				TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
859	else
860		ret = tps65910_reg_clear_bits(mfd,
861				TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
862	if (ret < 0) {
863		dev_err(mfd->dev,
864			"Error in configuring external control EN1\n");
865		return ret;
866	}
867
868	/* External EN2 control */
869	if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2)
870		ret = tps65910_reg_set_bits(mfd,
871				TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
872	else
873		ret = tps65910_reg_clear_bits(mfd,
874				TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
875	if (ret < 0) {
876		dev_err(mfd->dev,
877			"Error in configuring external control EN2\n");
878		return ret;
879	}
880
881	/* External EN3 control for TPS65910 LDO only */
882	if ((tps65910_chip_id(mfd) == TPS65910) &&
883			(id >= TPS65910_REG_VDIG1)) {
884		if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3)
885			ret = tps65910_reg_set_bits(mfd,
886				TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
887		else
888			ret = tps65910_reg_clear_bits(mfd,
889				TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
890		if (ret < 0) {
891			dev_err(mfd->dev,
892				"Error in configuring external control EN3\n");
893			return ret;
894		}
895	}
896
897	/* Return if no external control is selected */
898	if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) {
899		/* Clear all sleep controls */
900		ret = tps65910_reg_clear_bits(mfd,
901			TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
902		if (!ret)
903			ret = tps65910_reg_clear_bits(mfd,
904				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
905		if (ret < 0)
906			dev_err(mfd->dev,
907				"Error in configuring SLEEP register\n");
908		return ret;
909	}
910
911	/*
912	 * For regulator that has separate operational and sleep register make
913	 * sure that operational is used and clear sleep register to turn
914	 * regulator off when external control is inactive
915	 */
916	if ((id == TPS65910_REG_VDD1) ||
917		(id == TPS65910_REG_VDD2) ||
918			((id == TPS65911_REG_VDDCTRL) &&
919				(tps65910_chip_id(mfd) == TPS65911))) {
920		int op_reg_add = pmic->get_ctrl_reg(id) + 1;
921		int sr_reg_add = pmic->get_ctrl_reg(id) + 2;
922		int opvsel, srvsel;
923
924		ret = tps65910_reg_read(pmic->mfd, op_reg_add, &opvsel);
925		if (ret < 0)
926			return ret;
927		ret = tps65910_reg_read(pmic->mfd, sr_reg_add, &srvsel);
928		if (ret < 0)
929			return ret;
930
931		if (opvsel & VDD1_OP_CMD_MASK) {
932			u8 reg_val = srvsel & VDD1_OP_SEL_MASK;
933
934			ret = tps65910_reg_write(pmic->mfd, op_reg_add,
935						 reg_val);
936			if (ret < 0) {
937				dev_err(mfd->dev,
938					"Error in configuring op register\n");
939				return ret;
940			}
941		}
942		ret = tps65910_reg_write(pmic->mfd, sr_reg_add, 0);
943		if (ret < 0) {
944			dev_err(mfd->dev, "Error in setting sr register\n");
945			return ret;
946		}
947	}
948
949	ret = tps65910_reg_clear_bits(mfd,
950			TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
951	if (!ret) {
952		if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
953			ret = tps65910_reg_set_bits(mfd,
954				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
955		else
956			ret = tps65910_reg_clear_bits(mfd,
957				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
958	}
959	if (ret < 0)
960		dev_err(mfd->dev,
961			"Error in configuring SLEEP register\n");
962
963	return ret;
964}
965
966#ifdef CONFIG_OF
967
968static struct of_regulator_match tps65910_matches[] = {
969	{ .name = "vrtc",	.driver_data = (void *) &tps65910_regs[0] },
970	{ .name = "vio",	.driver_data = (void *) &tps65910_regs[1] },
971	{ .name = "vdd1",	.driver_data = (void *) &tps65910_regs[2] },
972	{ .name = "vdd2",	.driver_data = (void *) &tps65910_regs[3] },
973	{ .name = "vdd3",	.driver_data = (void *) &tps65910_regs[4] },
974	{ .name = "vdig1",	.driver_data = (void *) &tps65910_regs[5] },
975	{ .name = "vdig2",	.driver_data = (void *) &tps65910_regs[6] },
976	{ .name = "vpll",	.driver_data = (void *) &tps65910_regs[7] },
977	{ .name = "vdac",	.driver_data = (void *) &tps65910_regs[8] },
978	{ .name = "vaux1",	.driver_data = (void *) &tps65910_regs[9] },
979	{ .name = "vaux2",	.driver_data = (void *) &tps65910_regs[10] },
980	{ .name = "vaux33",	.driver_data = (void *) &tps65910_regs[11] },
981	{ .name = "vmmc",	.driver_data = (void *) &tps65910_regs[12] },
982	{ .name = "vbb",	.driver_data = (void *) &tps65910_regs[13] },
983};
984
985static struct of_regulator_match tps65911_matches[] = {
986	{ .name = "vrtc",	.driver_data = (void *) &tps65911_regs[0] },
987	{ .name = "vio",	.driver_data = (void *) &tps65911_regs[1] },
988	{ .name = "vdd1",	.driver_data = (void *) &tps65911_regs[2] },
989	{ .name = "vdd2",	.driver_data = (void *) &tps65911_regs[3] },
990	{ .name = "vddctrl",	.driver_data = (void *) &tps65911_regs[4] },
991	{ .name = "ldo1",	.driver_data = (void *) &tps65911_regs[5] },
992	{ .name = "ldo2",	.driver_data = (void *) &tps65911_regs[6] },
993	{ .name = "ldo3",	.driver_data = (void *) &tps65911_regs[7] },
994	{ .name = "ldo4",	.driver_data = (void *) &tps65911_regs[8] },
995	{ .name = "ldo5",	.driver_data = (void *) &tps65911_regs[9] },
996	{ .name = "ldo6",	.driver_data = (void *) &tps65911_regs[10] },
997	{ .name = "ldo7",	.driver_data = (void *) &tps65911_regs[11] },
998	{ .name = "ldo8",	.driver_data = (void *) &tps65911_regs[12] },
999};
1000
1001static struct tps65910_board *tps65910_parse_dt_reg_data(
1002		struct platform_device *pdev,
1003		struct of_regulator_match **tps65910_reg_matches)
1004{
1005	struct tps65910_board *pmic_plat_data;
1006	struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
1007	struct device_node *np, *regulators;
1008	struct of_regulator_match *matches;
1009	unsigned int prop;
1010	int idx = 0, ret, count;
1011
1012	pmic_plat_data = devm_kzalloc(&pdev->dev, sizeof(*pmic_plat_data),
1013					GFP_KERNEL);
1014	if (!pmic_plat_data)
1015		return NULL;
1016
1017	np = pdev->dev.parent->of_node;
1018	regulators = of_get_child_by_name(np, "regulators");
1019	if (!regulators) {
1020		dev_err(&pdev->dev, "regulator node not found\n");
1021		return NULL;
1022	}
1023
1024	switch (tps65910_chip_id(tps65910)) {
1025	case TPS65910:
1026		count = ARRAY_SIZE(tps65910_matches);
1027		matches = tps65910_matches;
1028		break;
1029	case TPS65911:
1030		count = ARRAY_SIZE(tps65911_matches);
1031		matches = tps65911_matches;
1032		break;
1033	default:
1034		of_node_put(regulators);
1035		dev_err(&pdev->dev, "Invalid tps chip version\n");
1036		return NULL;
1037	}
1038
1039	ret = of_regulator_match(&pdev->dev, regulators, matches, count);
1040	of_node_put(regulators);
1041	if (ret < 0) {
1042		dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
1043			ret);
1044		return NULL;
1045	}
1046
1047	*tps65910_reg_matches = matches;
1048
1049	for (idx = 0; idx < count; idx++) {
1050		if (!matches[idx].of_node)
1051			continue;
1052
1053		pmic_plat_data->tps65910_pmic_init_data[idx] =
1054							matches[idx].init_data;
1055
1056		ret = of_property_read_u32(matches[idx].of_node,
1057				"ti,regulator-ext-sleep-control", &prop);
1058		if (!ret)
1059			pmic_plat_data->regulator_ext_sleep_control[idx] = prop;
1060
1061	}
1062
1063	return pmic_plat_data;
1064}
1065#else
1066static inline struct tps65910_board *tps65910_parse_dt_reg_data(
1067			struct platform_device *pdev,
1068			struct of_regulator_match **tps65910_reg_matches)
1069{
1070	*tps65910_reg_matches = NULL;
1071	return NULL;
1072}
1073#endif
1074
1075static int tps65910_probe(struct platform_device *pdev)
1076{
1077	struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
1078	struct regulator_config config = { };
1079	struct tps_info *info;
1080	struct regulator_dev *rdev;
1081	struct tps65910_reg *pmic;
1082	struct tps65910_board *pmic_plat_data;
1083	struct of_regulator_match *tps65910_reg_matches = NULL;
1084	int i, err;
1085
1086	pmic_plat_data = dev_get_platdata(tps65910->dev);
1087	if (!pmic_plat_data && tps65910->dev->of_node)
1088		pmic_plat_data = tps65910_parse_dt_reg_data(pdev,
1089						&tps65910_reg_matches);
1090
1091	if (!pmic_plat_data) {
1092		dev_err(&pdev->dev, "Platform data not found\n");
1093		return -EINVAL;
1094	}
1095
1096	pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
1097	if (!pmic)
1098		return -ENOMEM;
1099
1100	pmic->mfd = tps65910;
1101	platform_set_drvdata(pdev, pmic);
1102
1103	/* Give control of all register to control port */
1104	tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL,
1105				DEVCTRL_SR_CTL_I2C_SEL_MASK);
1106
1107	switch (tps65910_chip_id(tps65910)) {
1108	case TPS65910:
1109		pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
1110		pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
1111		pmic->ext_sleep_control = tps65910_ext_sleep_control;
1112		info = tps65910_regs;
1113		break;
1114	case TPS65911:
1115		pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
1116		pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
1117		pmic->ext_sleep_control = tps65911_ext_sleep_control;
1118		info = tps65911_regs;
1119		break;
1120	default:
1121		dev_err(&pdev->dev, "Invalid tps chip version\n");
1122		return -ENODEV;
1123	}
1124
1125	pmic->desc = devm_kzalloc(&pdev->dev, pmic->num_regulators *
1126			sizeof(struct regulator_desc), GFP_KERNEL);
1127	if (!pmic->desc)
1128		return -ENOMEM;
1129
1130	pmic->info = devm_kzalloc(&pdev->dev, pmic->num_regulators *
1131			sizeof(struct tps_info *), GFP_KERNEL);
1132	if (!pmic->info)
1133		return -ENOMEM;
1134
1135	pmic->rdev = devm_kzalloc(&pdev->dev, pmic->num_regulators *
1136			sizeof(struct regulator_dev *), GFP_KERNEL);
1137	if (!pmic->rdev)
1138		return -ENOMEM;
1139
1140	for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
1141			i++, info++) {
1142		/* Register the regulators */
1143		pmic->info[i] = info;
1144
1145		pmic->desc[i].name = info->name;
1146		pmic->desc[i].supply_name = info->vin_name;
1147		pmic->desc[i].id = i;
1148		pmic->desc[i].n_voltages = info->n_voltages;
1149		pmic->desc[i].enable_time = info->enable_time_us;
1150
1151		if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
1152			pmic->desc[i].ops = &tps65910_ops_dcdc;
1153			pmic->desc[i].n_voltages = VDD1_2_NUM_VOLT_FINE *
1154							VDD1_2_NUM_VOLT_COARSE;
1155			pmic->desc[i].ramp_delay = 12500;
1156		} else if (i == TPS65910_REG_VDD3) {
1157			if (tps65910_chip_id(tps65910) == TPS65910) {
1158				pmic->desc[i].ops = &tps65910_ops_vdd3;
1159				pmic->desc[i].volt_table = info->voltage_table;
1160			} else {
1161				pmic->desc[i].ops = &tps65910_ops_dcdc;
1162				pmic->desc[i].ramp_delay = 5000;
1163			}
1164		} else if (i == TPS65910_REG_VBB &&
1165				tps65910_chip_id(tps65910) == TPS65910) {
1166			pmic->desc[i].ops = &tps65910_ops_vbb;
1167			pmic->desc[i].volt_table = info->voltage_table;
1168		} else {
1169			if (tps65910_chip_id(tps65910) == TPS65910) {
1170				pmic->desc[i].ops = &tps65910_ops;
1171				pmic->desc[i].volt_table = info->voltage_table;
1172			} else {
1173				pmic->desc[i].ops = &tps65911_ops;
1174			}
1175		}
1176
1177		err = tps65910_set_ext_sleep_config(pmic, i,
1178				pmic_plat_data->regulator_ext_sleep_control[i]);
1179		/*
1180		 * Failing on regulator for configuring externally control
1181		 * is not a serious issue, just throw warning.
1182		 */
1183		if (err < 0)
1184			dev_warn(tps65910->dev,
1185				"Failed to initialise ext control config\n");
1186
1187		pmic->desc[i].type = REGULATOR_VOLTAGE;
1188		pmic->desc[i].owner = THIS_MODULE;
1189		pmic->desc[i].enable_reg = pmic->get_ctrl_reg(i);
1190		pmic->desc[i].enable_mask = TPS65910_SUPPLY_STATE_ENABLED;
1191
1192		config.dev = tps65910->dev;
1193		config.init_data = pmic_plat_data->tps65910_pmic_init_data[i];
1194		config.driver_data = pmic;
1195		config.regmap = tps65910->regmap;
1196
1197		if (tps65910_reg_matches)
1198			config.of_node = tps65910_reg_matches[i].of_node;
1199
1200		rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i],
1201					       &config);
1202		if (IS_ERR(rdev)) {
1203			dev_err(tps65910->dev,
1204				"failed to register %s regulator\n",
1205				pdev->name);
1206			return PTR_ERR(rdev);
1207		}
1208
1209		/* Save regulator for cleanup */
1210		pmic->rdev[i] = rdev;
1211	}
1212	return 0;
1213}
1214
1215static void tps65910_shutdown(struct platform_device *pdev)
1216{
1217	struct tps65910_reg *pmic = platform_get_drvdata(pdev);
1218	int i;
1219
1220	/*
1221	 * Before bootloader jumps to kernel, it makes sure that required
1222	 * external control signals are in desired state so that given rails
1223	 * can be configure accordingly.
1224	 * If rails are configured to be controlled from external control
1225	 * then before shutting down/rebooting the system, the external
1226	 * control configuration need to be remove from the rails so that
1227	 * its output will be available as per register programming even
1228	 * if external controls are removed. This is require when the POR
1229	 * value of the control signals are not in active state and before
1230	 * bootloader initializes it, the system requires the rail output
1231	 * to be active for booting.
1232	 */
1233	for (i = 0; i < pmic->num_regulators; i++) {
1234		int err;
1235		if (!pmic->rdev[i])
1236			continue;
1237
1238		err = tps65910_set_ext_sleep_config(pmic, i, 0);
1239		if (err < 0)
1240			dev_err(&pdev->dev,
1241				"Error in clearing external control\n");
1242	}
1243}
1244
1245static struct platform_driver tps65910_driver = {
1246	.driver = {
1247		.name = "tps65910-pmic",
1248		.owner = THIS_MODULE,
1249	},
1250	.probe = tps65910_probe,
1251	.shutdown = tps65910_shutdown,
1252};
1253
1254static int __init tps65910_init(void)
1255{
1256	return platform_driver_register(&tps65910_driver);
1257}
1258subsys_initcall(tps65910_init);
1259
1260static void __exit tps65910_cleanup(void)
1261{
1262	platform_driver_unregister(&tps65910_driver);
1263}
1264module_exit(tps65910_cleanup);
1265
1266MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
1267MODULE_DESCRIPTION("TPS65910/TPS65911 voltage regulator driver");
1268MODULE_LICENSE("GPL v2");
1269MODULE_ALIAS("platform:tps65910-pmic");
1270