s2mps11.c

   1// SPDX-License-Identifier: GPL-2.0+
   2//
   3// Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
   4//              http://www.samsung.com
   5
   6#include <linux/bug.h>
   7#include <linux/cleanup.h>
   8#include <linux/err.h>
   9#include <linux/gpio/consumer.h>
  10#include <linux/slab.h>
  11#include <linux/module.h>
  12#include <linux/of.h>
  13#include <linux/regmap.h>
  14#include <linux/platform_device.h>
  15#include <linux/regulator/driver.h>
  16#include <linux/regulator/machine.h>
  17#include <linux/regulator/of_regulator.h>
  18#include <linux/mfd/samsung/core.h>
  19#include <linux/mfd/samsung/s2mps11.h>
  20#include <linux/mfd/samsung/s2mps13.h>
  21#include <linux/mfd/samsung/s2mps14.h>
  22#include <linux/mfd/samsung/s2mps15.h>
  23#include <linux/mfd/samsung/s2mpu02.h>
  24#include <linux/mfd/samsung/s2mpu05.h>
  25
  26/* The highest number of possible regulators for supported devices. */
  27#define S2MPS_REGULATOR_MAX		S2MPS13_REGULATOR_MAX
  28struct s2mps11_info {
  29	int ramp_delay2;
  30	int ramp_delay34;
  31	int ramp_delay5;
  32	int ramp_delay16;
  33	int ramp_delay7810;
  34	int ramp_delay9;
  35
  36	enum sec_device_type dev_type;
  37
  38	/*
  39	 * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether
  40	 * the suspend mode was enabled.
  41	 */
  42	DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX);
  43
  44	/*
  45	 * Array (size: number of regulators) with GPIO-s for external
  46	 * sleep control.
  47	 */
  48	struct gpio_desc **ext_control_gpiod;
  49};
  50
  51static int get_ramp_delay(int ramp_delay)
  52{
  53	unsigned char cnt = 0;
  54
  55	ramp_delay /= 6250;
  56
  57	while (true) {
  58		ramp_delay = ramp_delay >> 1;
  59		if (ramp_delay == 0)
  60			break;
  61		cnt++;
  62	}
  63
  64	if (cnt > 3)
  65		cnt = 3;
  66
  67	return cnt;
  68}
  69
  70static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
  71				   unsigned int old_selector,
  72				   unsigned int new_selector)
  73{
  74	struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
  75	int rdev_id = rdev_get_id(rdev);
  76	unsigned int ramp_delay = 0;
  77	int old_volt, new_volt;
  78
  79	switch (rdev_id) {
  80	case S2MPS11_BUCK2:
  81		ramp_delay = s2mps11->ramp_delay2;
  82		break;
  83	case S2MPS11_BUCK3:
  84	case S2MPS11_BUCK4:
  85		ramp_delay = s2mps11->ramp_delay34;
  86		break;
  87	case S2MPS11_BUCK5:
  88		ramp_delay = s2mps11->ramp_delay5;
  89		break;
  90	case S2MPS11_BUCK6:
  91	case S2MPS11_BUCK1:
  92		ramp_delay = s2mps11->ramp_delay16;
  93		break;
  94	case S2MPS11_BUCK7:
  95	case S2MPS11_BUCK8:
  96	case S2MPS11_BUCK10:
  97		ramp_delay = s2mps11->ramp_delay7810;
  98		break;
  99	case S2MPS11_BUCK9:
 100		ramp_delay = s2mps11->ramp_delay9;
 101	}
 102
 103	if (ramp_delay == 0)
 104		ramp_delay = rdev->desc->ramp_delay;
 105
 106	old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector);
 107	new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector);
 108
 109	return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);
 110}
 111
 112static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 113{
 114	struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
 115	unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK;
 116	unsigned int ramp_enable = 1, enable_shift = 0;
 117	int rdev_id = rdev_get_id(rdev);
 118	int ret;
 119
 120	switch (rdev_id) {
 121	case S2MPS11_BUCK1:
 122		if (ramp_delay > s2mps11->ramp_delay16)
 123			s2mps11->ramp_delay16 = ramp_delay;
 124		else
 125			ramp_delay = s2mps11->ramp_delay16;
 126
 127		ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
 128		break;
 129	case S2MPS11_BUCK2:
 130		enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT;
 131		if (!ramp_delay) {
 132			ramp_enable = 0;
 133			break;
 134		}
 135
 136		s2mps11->ramp_delay2 = ramp_delay;
 137		ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT;
 138		ramp_reg = S2MPS11_REG_RAMP;
 139		break;
 140	case S2MPS11_BUCK3:
 141		enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT;
 142		if (!ramp_delay) {
 143			ramp_enable = 0;
 144			break;
 145		}
 146
 147		if (ramp_delay > s2mps11->ramp_delay34)
 148			s2mps11->ramp_delay34 = ramp_delay;
 149		else
 150			ramp_delay = s2mps11->ramp_delay34;
 151
 152		ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
 153		ramp_reg = S2MPS11_REG_RAMP;
 154		break;
 155	case S2MPS11_BUCK4:
 156		enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT;
 157		if (!ramp_delay) {
 158			ramp_enable = 0;
 159			break;
 160		}
 161
 162		if (ramp_delay > s2mps11->ramp_delay34)
 163			s2mps11->ramp_delay34 = ramp_delay;
 164		else
 165			ramp_delay = s2mps11->ramp_delay34;
 166
 167		ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
 168		ramp_reg = S2MPS11_REG_RAMP;
 169		break;
 170	case S2MPS11_BUCK5:
 171		s2mps11->ramp_delay5 = ramp_delay;
 172		ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT;
 173		break;
 174	case S2MPS11_BUCK6:
 175		enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT;
 176		if (!ramp_delay) {
 177			ramp_enable = 0;
 178			break;
 179		}
 180
 181		if (ramp_delay > s2mps11->ramp_delay16)
 182			s2mps11->ramp_delay16 = ramp_delay;
 183		else
 184			ramp_delay = s2mps11->ramp_delay16;
 185
 186		ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
 187		break;
 188	case S2MPS11_BUCK7:
 189	case S2MPS11_BUCK8:
 190	case S2MPS11_BUCK10:
 191		if (ramp_delay > s2mps11->ramp_delay7810)
 192			s2mps11->ramp_delay7810 = ramp_delay;
 193		else
 194			ramp_delay = s2mps11->ramp_delay7810;
 195
 196		ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT;
 197		break;
 198	case S2MPS11_BUCK9:
 199		s2mps11->ramp_delay9 = ramp_delay;
 200		ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT;
 201		break;
 202	default:
 203		return 0;
 204	}
 205
 206	if (!ramp_enable)
 207		goto ramp_disable;
 208
 209	/* Ramp delay can be enabled/disabled only for buck[2346] */
 210	if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) ||
 211	    rdev_id == S2MPS11_BUCK6)  {
 212		ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
 213					 1 << enable_shift, 1 << enable_shift);
 214		if (ret) {
 215			dev_err(&rdev->dev, "failed to enable ramp rate\n");
 216			return ret;
 217		}
 218	}
 219
 220	ramp_val = get_ramp_delay(ramp_delay);
 221
 222	return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift,
 223				  ramp_val << ramp_shift);
 224
 225ramp_disable:
 226	return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
 227				  1 << enable_shift, 0);
 228}
 229
 230static int s2mps11_regulator_enable(struct regulator_dev *rdev)
 231{
 232	struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
 233	int rdev_id = rdev_get_id(rdev);
 234	unsigned int val;
 235
 236	switch (s2mps11->dev_type) {
 237	case S2MPS11X:
 238		if (test_bit(rdev_id, s2mps11->suspend_state))
 239			val = S2MPS14_ENABLE_SUSPEND;
 240		else
 241			val = rdev->desc->enable_mask;
 242		break;
 243	case S2MPS13X:
 244	case S2MPS14X:
 245		if (test_bit(rdev_id, s2mps11->suspend_state))
 246			val = S2MPS14_ENABLE_SUSPEND;
 247		else if (s2mps11->ext_control_gpiod[rdev_id])
 248			val = S2MPS14_ENABLE_EXT_CONTROL;
 249		else
 250			val = rdev->desc->enable_mask;
 251		break;
 252	case S2MPU02:
 253		if (test_bit(rdev_id, s2mps11->suspend_state))
 254			val = S2MPU02_ENABLE_SUSPEND;
 255		else
 256			val = rdev->desc->enable_mask;
 257		break;
 258	case S2MPU05:
 259		val = rdev->desc->enable_mask;
 260		break;
 261	default:
 262		return -EINVAL;
 263	}
 264
 265	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
 266			rdev->desc->enable_mask, val);
 267}
 268
 269static int s2mps11_regulator_set_suspend_disable(struct regulator_dev *rdev)
 270{
 271	int ret;
 272	unsigned int val, state;
 273	struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
 274	int rdev_id = rdev_get_id(rdev);
 275
 276	/* Below LDO should be always on or does not support suspend mode. */
 277	switch (s2mps11->dev_type) {
 278	case S2MPS11X:
 279		switch (rdev_id) {
 280		case S2MPS11_LDO2:
 281		case S2MPS11_LDO36:
 282		case S2MPS11_LDO37:
 283		case S2MPS11_LDO38:
 284			return 0;
 285		default:
 286			state = S2MPS14_ENABLE_SUSPEND;
 287			break;
 288		}
 289		break;
 290	case S2MPS13X:
 291	case S2MPS14X:
 292		switch (rdev_id) {
 293		case S2MPS14_LDO3:
 294			return 0;
 295		default:
 296			state = S2MPS14_ENABLE_SUSPEND;
 297			break;
 298		}
 299		break;
 300	case S2MPU02:
 301		switch (rdev_id) {
 302		case S2MPU02_LDO13:
 303		case S2MPU02_LDO14:
 304		case S2MPU02_LDO15:
 305		case S2MPU02_LDO17:
 306		case S2MPU02_BUCK7:
 307			state = S2MPU02_DISABLE_SUSPEND;
 308			break;
 309		default:
 310			state = S2MPU02_ENABLE_SUSPEND;
 311			break;
 312		}
 313		break;
 314	default:
 315		return -EINVAL;
 316	}
 317
 318	ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
 319	if (ret < 0)
 320		return ret;
 321
 322	set_bit(rdev_id, s2mps11->suspend_state);
 323	/*
 324	 * Don't enable suspend mode if regulator is already disabled because
 325	 * this would effectively for a short time turn on the regulator after
 326	 * resuming.
 327	 * However we still want to toggle the suspend_state bit for regulator
 328	 * in case if it got enabled before suspending the system.
 329	 */
 330	if (!(val & rdev->desc->enable_mask))
 331		return 0;
 332
 333	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
 334				  rdev->desc->enable_mask, state);
 335}
 336
 337static const struct regulator_ops s2mps11_ldo_ops = {
 338	.list_voltage		= regulator_list_voltage_linear,
 339	.map_voltage		= regulator_map_voltage_linear,
 340	.is_enabled		= regulator_is_enabled_regmap,
 341	.enable			= s2mps11_regulator_enable,
 342	.disable		= regulator_disable_regmap,
 343	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 344	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 345	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 346	.set_suspend_disable	= s2mps11_regulator_set_suspend_disable,
 347};
 348
 349static const struct regulator_ops s2mps11_buck_ops = {
 350	.list_voltage		= regulator_list_voltage_linear,
 351	.map_voltage		= regulator_map_voltage_linear,
 352	.is_enabled		= regulator_is_enabled_regmap,
 353	.enable			= s2mps11_regulator_enable,
 354	.disable		= regulator_disable_regmap,
 355	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 356	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 357	.set_voltage_time_sel	= s2mps11_regulator_set_voltage_time_sel,
 358	.set_ramp_delay		= s2mps11_set_ramp_delay,
 359	.set_suspend_disable	= s2mps11_regulator_set_suspend_disable,
 360};
 361
 362#define regulator_desc_s2mps11_ldo(num, step) {		\
 363	.name		= "LDO"#num,			\
 364	.id		= S2MPS11_LDO##num,		\
 365	.ops		= &s2mps11_ldo_ops,		\
 366	.type		= REGULATOR_VOLTAGE,		\
 367	.owner		= THIS_MODULE,			\
 368	.ramp_delay	= RAMP_DELAY_12_MVUS,		\
 369	.min_uV		= MIN_800_MV,			\
 370	.uV_step	= step,				\
 371	.n_voltages	= S2MPS11_LDO_N_VOLTAGES,	\
 372	.vsel_reg	= S2MPS11_REG_L1CTRL + num - 1,	\
 373	.vsel_mask	= S2MPS11_LDO_VSEL_MASK,	\
 374	.enable_reg	= S2MPS11_REG_L1CTRL + num - 1,	\
 375	.enable_mask	= S2MPS11_ENABLE_MASK		\
 376}
 377
 378#define regulator_desc_s2mps11_buck1_4(num) {			\
 379	.name		= "BUCK"#num,				\
 380	.id		= S2MPS11_BUCK##num,			\
 381	.ops		= &s2mps11_buck_ops,			\
 382	.type		= REGULATOR_VOLTAGE,			\
 383	.owner		= THIS_MODULE,				\
 384	.min_uV		= MIN_650_MV,				\
 385	.uV_step	= STEP_6_25_MV,				\
 386	.linear_min_sel	= 8,					\
 387	.n_voltages	= S2MPS11_BUCK12346_N_VOLTAGES,		\
 388	.ramp_delay	= S2MPS11_RAMP_DELAY,			\
 389	.vsel_reg	= S2MPS11_REG_B1CTRL2 + (num - 1) * 2,	\
 390	.vsel_mask	= S2MPS11_BUCK_VSEL_MASK,		\
 391	.enable_reg	= S2MPS11_REG_B1CTRL1 + (num - 1) * 2,	\
 392	.enable_mask	= S2MPS11_ENABLE_MASK			\
 393}
 394
 395#define regulator_desc_s2mps11_buck5 {				\
 396	.name		= "BUCK5",				\
 397	.id		= S2MPS11_BUCK5,			\
 398	.ops		= &s2mps11_buck_ops,			\
 399	.type		= REGULATOR_VOLTAGE,			\
 400	.owner		= THIS_MODULE,				\
 401	.min_uV		= MIN_650_MV,				\
 402	.uV_step	= STEP_6_25_MV,				\
 403	.linear_min_sel	= 8,					\
 404	.n_voltages	= S2MPS11_BUCK5_N_VOLTAGES,		\
 405	.ramp_delay	= S2MPS11_RAMP_DELAY,			\
 406	.vsel_reg	= S2MPS11_REG_B5CTRL2,			\
 407	.vsel_mask	= S2MPS11_BUCK_VSEL_MASK,		\
 408	.enable_reg	= S2MPS11_REG_B5CTRL1,			\
 409	.enable_mask	= S2MPS11_ENABLE_MASK			\
 410}
 411
 412#define regulator_desc_s2mps11_buck67810(num, min, step, min_sel, voltages) {	\
 413	.name		= "BUCK"#num,				\
 414	.id		= S2MPS11_BUCK##num,			\
 415	.ops		= &s2mps11_buck_ops,			\
 416	.type		= REGULATOR_VOLTAGE,			\
 417	.owner		= THIS_MODULE,				\
 418	.min_uV		= min,					\
 419	.uV_step	= step,					\
 420	.linear_min_sel	= min_sel,				\
 421	.n_voltages	= voltages,				\
 422	.ramp_delay	= S2MPS11_RAMP_DELAY,			\
 423	.vsel_reg	= S2MPS11_REG_B6CTRL2 + (num - 6) * 2,	\
 424	.vsel_mask	= S2MPS11_BUCK_VSEL_MASK,		\
 425	.enable_reg	= S2MPS11_REG_B6CTRL1 + (num - 6) * 2,	\
 426	.enable_mask	= S2MPS11_ENABLE_MASK			\
 427}
 428
 429#define regulator_desc_s2mps11_buck9 {				\
 430	.name		= "BUCK9",				\
 431	.id		= S2MPS11_BUCK9,			\
 432	.ops		= &s2mps11_buck_ops,			\
 433	.type		= REGULATOR_VOLTAGE,			\
 434	.owner		= THIS_MODULE,				\
 435	.min_uV		= MIN_3000_MV,				\
 436	.uV_step	= STEP_25_MV,				\
 437	.n_voltages	= S2MPS11_BUCK9_N_VOLTAGES,		\
 438	.ramp_delay	= S2MPS11_RAMP_DELAY,			\
 439	.vsel_reg	= S2MPS11_REG_B9CTRL2,			\
 440	.vsel_mask	= S2MPS11_BUCK9_VSEL_MASK,		\
 441	.enable_reg	= S2MPS11_REG_B9CTRL1,			\
 442	.enable_mask	= S2MPS11_ENABLE_MASK			\
 443}
 444
 445static const struct regulator_desc s2mps11_regulators[] = {
 446	regulator_desc_s2mps11_ldo(1, STEP_25_MV),
 447	regulator_desc_s2mps11_ldo(2, STEP_50_MV),
 448	regulator_desc_s2mps11_ldo(3, STEP_50_MV),
 449	regulator_desc_s2mps11_ldo(4, STEP_50_MV),
 450	regulator_desc_s2mps11_ldo(5, STEP_50_MV),
 451	regulator_desc_s2mps11_ldo(6, STEP_25_MV),
 452	regulator_desc_s2mps11_ldo(7, STEP_50_MV),
 453	regulator_desc_s2mps11_ldo(8, STEP_50_MV),
 454	regulator_desc_s2mps11_ldo(9, STEP_50_MV),
 455	regulator_desc_s2mps11_ldo(10, STEP_50_MV),
 456	regulator_desc_s2mps11_ldo(11, STEP_25_MV),
 457	regulator_desc_s2mps11_ldo(12, STEP_50_MV),
 458	regulator_desc_s2mps11_ldo(13, STEP_50_MV),
 459	regulator_desc_s2mps11_ldo(14, STEP_50_MV),
 460	regulator_desc_s2mps11_ldo(15, STEP_50_MV),
 461	regulator_desc_s2mps11_ldo(16, STEP_50_MV),
 462	regulator_desc_s2mps11_ldo(17, STEP_50_MV),
 463	regulator_desc_s2mps11_ldo(18, STEP_50_MV),
 464	regulator_desc_s2mps11_ldo(19, STEP_50_MV),
 465	regulator_desc_s2mps11_ldo(20, STEP_50_MV),
 466	regulator_desc_s2mps11_ldo(21, STEP_50_MV),
 467	regulator_desc_s2mps11_ldo(22, STEP_25_MV),
 468	regulator_desc_s2mps11_ldo(23, STEP_25_MV),
 469	regulator_desc_s2mps11_ldo(24, STEP_50_MV),
 470	regulator_desc_s2mps11_ldo(25, STEP_50_MV),
 471	regulator_desc_s2mps11_ldo(26, STEP_50_MV),
 472	regulator_desc_s2mps11_ldo(27, STEP_25_MV),
 473	regulator_desc_s2mps11_ldo(28, STEP_50_MV),
 474	regulator_desc_s2mps11_ldo(29, STEP_50_MV),
 475	regulator_desc_s2mps11_ldo(30, STEP_50_MV),
 476	regulator_desc_s2mps11_ldo(31, STEP_50_MV),
 477	regulator_desc_s2mps11_ldo(32, STEP_50_MV),
 478	regulator_desc_s2mps11_ldo(33, STEP_50_MV),
 479	regulator_desc_s2mps11_ldo(34, STEP_50_MV),
 480	regulator_desc_s2mps11_ldo(35, STEP_25_MV),
 481	regulator_desc_s2mps11_ldo(36, STEP_50_MV),
 482	regulator_desc_s2mps11_ldo(37, STEP_50_MV),
 483	regulator_desc_s2mps11_ldo(38, STEP_50_MV),
 484	regulator_desc_s2mps11_buck1_4(1),
 485	regulator_desc_s2mps11_buck1_4(2),
 486	regulator_desc_s2mps11_buck1_4(3),
 487	regulator_desc_s2mps11_buck1_4(4),
 488	regulator_desc_s2mps11_buck5,
 489	regulator_desc_s2mps11_buck67810(6, MIN_650_MV, STEP_6_25_MV, 8,
 490					 S2MPS11_BUCK12346_N_VOLTAGES),
 491	regulator_desc_s2mps11_buck67810(7, MIN_750_MV, STEP_12_5_MV, 0,
 492					 S2MPS11_BUCK7810_N_VOLTAGES),
 493	regulator_desc_s2mps11_buck67810(8, MIN_750_MV, STEP_12_5_MV, 0,
 494					 S2MPS11_BUCK7810_N_VOLTAGES),
 495	regulator_desc_s2mps11_buck9,
 496	regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV, 0,
 497					 S2MPS11_BUCK7810_N_VOLTAGES),
 498};
 499
 500static const struct regulator_ops s2mps14_reg_ops;
 501
 502#define regulator_desc_s2mps13_ldo(num, min, step, min_sel) {	\
 503	.name		= "LDO"#num,				\
 504	.id		= S2MPS13_LDO##num,			\
 505	.ops		= &s2mps14_reg_ops,			\
 506	.type		= REGULATOR_VOLTAGE,			\
 507	.owner		= THIS_MODULE,				\
 508	.min_uV		= min,					\
 509	.uV_step	= step,					\
 510	.linear_min_sel	= min_sel,				\
 511	.n_voltages	= S2MPS14_LDO_N_VOLTAGES,		\
 512	.vsel_reg	= S2MPS13_REG_L1CTRL + num - 1,		\
 513	.vsel_mask	= S2MPS14_LDO_VSEL_MASK,		\
 514	.enable_reg	= S2MPS13_REG_L1CTRL + num - 1,		\
 515	.enable_mask	= S2MPS14_ENABLE_MASK			\
 516}
 517
 518#define regulator_desc_s2mps13_buck(num, min, step, min_sel) {	\
 519	.name		= "BUCK"#num,				\
 520	.id		= S2MPS13_BUCK##num,			\
 521	.ops		= &s2mps14_reg_ops,			\
 522	.type		= REGULATOR_VOLTAGE,			\
 523	.owner		= THIS_MODULE,				\
 524	.min_uV		= min,					\
 525	.uV_step	= step,					\
 526	.linear_min_sel	= min_sel,				\
 527	.n_voltages	= S2MPS14_BUCK_N_VOLTAGES,		\
 528	.ramp_delay	= S2MPS13_BUCK_RAMP_DELAY,		\
 529	.vsel_reg	= S2MPS13_REG_B1OUT + (num - 1) * 2,	\
 530	.vsel_mask	= S2MPS14_BUCK_VSEL_MASK,		\
 531	.enable_reg	= S2MPS13_REG_B1CTRL + (num - 1) * 2,	\
 532	.enable_mask	= S2MPS14_ENABLE_MASK			\
 533}
 534
 535#define regulator_desc_s2mps13_buck7(num, min, step, min_sel) {	\
 536	.name		= "BUCK"#num,				\
 537	.id		= S2MPS13_BUCK##num,			\
 538	.ops		= &s2mps14_reg_ops,			\
 539	.type		= REGULATOR_VOLTAGE,			\
 540	.owner		= THIS_MODULE,				\
 541	.min_uV		= min,					\
 542	.uV_step	= step,					\
 543	.linear_min_sel	= min_sel,				\
 544	.n_voltages	= S2MPS14_BUCK_N_VOLTAGES,		\
 545	.ramp_delay	= S2MPS13_BUCK_RAMP_DELAY,		\
 546	.vsel_reg	= S2MPS13_REG_B1OUT + (num) * 2 - 1,	\
 547	.vsel_mask	= S2MPS14_BUCK_VSEL_MASK,		\
 548	.enable_reg	= S2MPS13_REG_B1CTRL + (num - 1) * 2,	\
 549	.enable_mask	= S2MPS14_ENABLE_MASK			\
 550}
 551
 552#define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) {	\
 553	.name		= "BUCK"#num,				\
 554	.id		= S2MPS13_BUCK##num,			\
 555	.ops		= &s2mps14_reg_ops,			\
 556	.type		= REGULATOR_VOLTAGE,			\
 557	.owner		= THIS_MODULE,				\
 558	.min_uV		= min,					\
 559	.uV_step	= step,					\
 560	.linear_min_sel	= min_sel,				\
 561	.n_voltages	= S2MPS14_BUCK_N_VOLTAGES,		\
 562	.ramp_delay	= S2MPS13_BUCK_RAMP_DELAY,		\
 563	.vsel_reg	= S2MPS13_REG_B1OUT + (num) * 2 - 1,	\
 564	.vsel_mask	= S2MPS14_BUCK_VSEL_MASK,		\
 565	.enable_reg	= S2MPS13_REG_B1CTRL + (num) * 2 - 1,	\
 566	.enable_mask	= S2MPS14_ENABLE_MASK			\
 567}
 568
 569static const struct regulator_desc s2mps13_regulators[] = {
 570	regulator_desc_s2mps13_ldo(1,  MIN_800_MV,  STEP_12_5_MV, 0x00),
 571	regulator_desc_s2mps13_ldo(2,  MIN_1400_MV, STEP_50_MV,   0x0C),
 572	regulator_desc_s2mps13_ldo(3,  MIN_1000_MV, STEP_25_MV,   0x08),
 573	regulator_desc_s2mps13_ldo(4,  MIN_800_MV,  STEP_12_5_MV, 0x00),
 574	regulator_desc_s2mps13_ldo(5,  MIN_800_MV,  STEP_12_5_MV, 0x00),
 575	regulator_desc_s2mps13_ldo(6,  MIN_800_MV,  STEP_12_5_MV, 0x00),
 576	regulator_desc_s2mps13_ldo(7,  MIN_1000_MV, STEP_25_MV,   0x08),
 577	regulator_desc_s2mps13_ldo(8,  MIN_1000_MV, STEP_25_MV,   0x08),
 578	regulator_desc_s2mps13_ldo(9,  MIN_1000_MV, STEP_25_MV,   0x08),
 579	regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV,   0x0C),
 580	regulator_desc_s2mps13_ldo(11, MIN_800_MV,  STEP_25_MV,   0x10),
 581	regulator_desc_s2mps13_ldo(12, MIN_800_MV,  STEP_25_MV,   0x10),
 582	regulator_desc_s2mps13_ldo(13, MIN_800_MV,  STEP_25_MV,   0x10),
 583	regulator_desc_s2mps13_ldo(14, MIN_800_MV,  STEP_12_5_MV, 0x00),
 584	regulator_desc_s2mps13_ldo(15, MIN_800_MV,  STEP_12_5_MV, 0x00),
 585	regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV,   0x0C),
 586	regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV,   0x0C),
 587	regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV,   0x08),
 588	regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV,   0x08),
 589	regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV,   0x0C),
 590	regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV,   0x08),
 591	regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV,   0x08),
 592	regulator_desc_s2mps13_ldo(23, MIN_800_MV,  STEP_12_5_MV, 0x00),
 593	regulator_desc_s2mps13_ldo(24, MIN_800_MV,  STEP_12_5_MV, 0x00),
 594	regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV,   0x0C),
 595	regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV,   0x0C),
 596	regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV,   0x0C),
 597	regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV,   0x08),
 598	regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV,   0x0C),
 599	regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV,   0x0C),
 600	regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV,   0x08),
 601	regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV,   0x08),
 602	regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV,   0x0C),
 603	regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV,   0x08),
 604	regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV,   0x0C),
 605	regulator_desc_s2mps13_ldo(36, MIN_800_MV,  STEP_12_5_MV, 0x00),
 606	regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV,   0x08),
 607	regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV,   0x0C),
 608	regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV,   0x08),
 609	regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV,   0x0C),
 610	regulator_desc_s2mps13_buck(1,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 611	regulator_desc_s2mps13_buck(2,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 612	regulator_desc_s2mps13_buck(3,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 613	regulator_desc_s2mps13_buck(4,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 614	regulator_desc_s2mps13_buck(5,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 615	regulator_desc_s2mps13_buck(6,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 616	regulator_desc_s2mps13_buck7(7,  MIN_500_MV,  STEP_6_25_MV, 0x10),
 617	regulator_desc_s2mps13_buck8_10(8,  MIN_1000_MV, STEP_12_5_MV, 0x20),
 618	regulator_desc_s2mps13_buck8_10(9,  MIN_1000_MV, STEP_12_5_MV, 0x20),
 619	regulator_desc_s2mps13_buck8_10(10, MIN_500_MV,  STEP_6_25_MV, 0x10),
 620};
 621
 622static const struct regulator_ops s2mps14_reg_ops = {
 623	.list_voltage		= regulator_list_voltage_linear,
 624	.map_voltage		= regulator_map_voltage_linear,
 625	.is_enabled		= regulator_is_enabled_regmap,
 626	.enable			= s2mps11_regulator_enable,
 627	.disable		= regulator_disable_regmap,
 628	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 629	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 630	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 631	.set_suspend_disable	= s2mps11_regulator_set_suspend_disable,
 632};
 633
 634#define regulator_desc_s2mps14_ldo(num, min, step) {	\
 635	.name		= "LDO"#num,			\
 636	.id		= S2MPS14_LDO##num,		\
 637	.ops		= &s2mps14_reg_ops,		\
 638	.type		= REGULATOR_VOLTAGE,		\
 639	.owner		= THIS_MODULE,			\
 640	.min_uV		= min,				\
 641	.uV_step	= step,				\
 642	.n_voltages	= S2MPS14_LDO_N_VOLTAGES,	\
 643	.vsel_reg	= S2MPS14_REG_L1CTRL + num - 1,	\
 644	.vsel_mask	= S2MPS14_LDO_VSEL_MASK,	\
 645	.enable_reg	= S2MPS14_REG_L1CTRL + num - 1,	\
 646	.enable_mask	= S2MPS14_ENABLE_MASK		\
 647}
 648
 649#define regulator_desc_s2mps14_buck(num, min, step, min_sel) {	\
 650	.name		= "BUCK"#num,				\
 651	.id		= S2MPS14_BUCK##num,			\
 652	.ops		= &s2mps14_reg_ops,			\
 653	.type		= REGULATOR_VOLTAGE,			\
 654	.owner		= THIS_MODULE,				\
 655	.min_uV		= min,					\
 656	.uV_step	= step,					\
 657	.n_voltages	= S2MPS14_BUCK_N_VOLTAGES,		\
 658	.linear_min_sel = min_sel,				\
 659	.ramp_delay	= S2MPS14_BUCK_RAMP_DELAY,		\
 660	.vsel_reg	= S2MPS14_REG_B1CTRL2 + (num - 1) * 2,	\
 661	.vsel_mask	= S2MPS14_BUCK_VSEL_MASK,		\
 662	.enable_reg	= S2MPS14_REG_B1CTRL1 + (num - 1) * 2,	\
 663	.enable_mask	= S2MPS14_ENABLE_MASK			\
 664}
 665
 666static const struct regulator_desc s2mps14_regulators[] = {
 667	regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV),
 668	regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV),
 669	regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV),
 670	regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV),
 671	regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV),
 672	regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV),
 673	regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV),
 674	regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV),
 675	regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV),
 676	regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV),
 677	regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV),
 678	regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV),
 679	regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV),
 680	regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV),
 681	regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV),
 682	regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV),
 683	regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV),
 684	regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV),
 685	regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV),
 686	regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV),
 687	regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV),
 688	regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV),
 689	regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV),
 690	regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV),
 691	regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV),
 692	regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV,
 693				    S2MPS14_BUCK1235_START_SEL),
 694	regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV,
 695				    S2MPS14_BUCK1235_START_SEL),
 696	regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV,
 697				    S2MPS14_BUCK1235_START_SEL),
 698	regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV,
 699				    S2MPS14_BUCK4_START_SEL),
 700	regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV,
 701				    S2MPS14_BUCK1235_START_SEL),
 702};
 703
 704static const struct regulator_ops s2mps15_reg_ldo_ops = {
 705	.list_voltage		= regulator_list_voltage_linear_range,
 706	.map_voltage		= regulator_map_voltage_linear_range,
 707	.is_enabled		= regulator_is_enabled_regmap,
 708	.enable			= regulator_enable_regmap,
 709	.disable		= regulator_disable_regmap,
 710	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 711	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 712};
 713
 714static const struct regulator_ops s2mps15_reg_buck_ops = {
 715	.list_voltage		= regulator_list_voltage_linear_range,
 716	.map_voltage		= regulator_map_voltage_linear_range,
 717	.is_enabled		= regulator_is_enabled_regmap,
 718	.enable			= regulator_enable_regmap,
 719	.disable		= regulator_disable_regmap,
 720	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 721	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 722	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 723};
 724
 725#define regulator_desc_s2mps15_ldo(num, range) {	\
 726	.name		= "LDO"#num,			\
 727	.id		= S2MPS15_LDO##num,		\
 728	.ops		= &s2mps15_reg_ldo_ops,		\
 729	.type		= REGULATOR_VOLTAGE,		\
 730	.owner		= THIS_MODULE,			\
 731	.linear_ranges	= range,			\
 732	.n_linear_ranges = ARRAY_SIZE(range),		\
 733	.n_voltages	= S2MPS15_LDO_N_VOLTAGES,	\
 734	.vsel_reg	= S2MPS15_REG_L1CTRL + num - 1,	\
 735	.vsel_mask	= S2MPS15_LDO_VSEL_MASK,	\
 736	.enable_reg	= S2MPS15_REG_L1CTRL + num - 1,	\
 737	.enable_mask	= S2MPS15_ENABLE_MASK		\
 738}
 739
 740#define regulator_desc_s2mps15_buck(num, range) {			\
 741	.name		= "BUCK"#num,					\
 742	.id		= S2MPS15_BUCK##num,				\
 743	.ops		= &s2mps15_reg_buck_ops,			\
 744	.type		= REGULATOR_VOLTAGE,				\
 745	.owner		= THIS_MODULE,					\
 746	.linear_ranges	= range,					\
 747	.n_linear_ranges = ARRAY_SIZE(range),				\
 748	.ramp_delay	= 12500,					\
 749	.n_voltages	= S2MPS15_BUCK_N_VOLTAGES,			\
 750	.vsel_reg	= S2MPS15_REG_B1CTRL2 + ((num - 1) * 2),	\
 751	.vsel_mask	= S2MPS15_BUCK_VSEL_MASK,			\
 752	.enable_reg	= S2MPS15_REG_B1CTRL1 + ((num - 1) * 2),	\
 753	.enable_mask	= S2MPS15_ENABLE_MASK				\
 754}
 755
 756/* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
 757static const struct linear_range s2mps15_ldo_voltage_ranges1[] = {
 758	REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
 759};
 760
 761/* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
 762static const struct linear_range s2mps15_ldo_voltage_ranges2[] = {
 763	REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
 764};
 765
 766/* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
 767static const struct linear_range s2mps15_ldo_voltage_ranges3[] = {
 768	REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
 769};
 770
 771/* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
 772static const struct linear_range s2mps15_ldo_voltage_ranges4[] = {
 773	REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
 774};
 775
 776/* voltage range for s2mps15 LDO 1 */
 777static const struct linear_range s2mps15_ldo_voltage_ranges5[] = {
 778	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
 779};
 780
 781/* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
 782static const struct linear_range s2mps15_buck_voltage_ranges1[] = {
 783	REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
 784};
 785
 786/* voltage range for s2mps15 BUCK 8, 9 and 10 */
 787static const struct linear_range s2mps15_buck_voltage_ranges2[] = {
 788	REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
 789};
 790
 791static const struct regulator_desc s2mps15_regulators[] = {
 792	regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5),
 793	regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2),
 794	regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1),
 795	regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3),
 796	regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1),
 797	regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2),
 798	regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4),
 799	regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4),
 800	regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4),
 801	regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4),
 802	regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3),
 803	regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3),
 804	regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3),
 805	regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2),
 806	regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1),
 807	regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1),
 808	regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2),
 809	regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1),
 810	regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2),
 811	regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1),
 812	regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2),
 813	regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3),
 814	regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1),
 815	regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2),
 816	regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2),
 817	regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3),
 818	regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1),
 819	regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1),
 820	regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1),
 821	regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1),
 822	regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1),
 823	regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1),
 824	regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1),
 825	regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1),
 826	regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2),
 827	regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2),
 828	regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2),
 829};
 830
 831static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
 832		struct regulator_dev *rdev)
 833{
 834	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
 835			rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL);
 836}
 837
 838static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
 839		struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
 840{
 841	struct gpio_desc **gpio = s2mps11->ext_control_gpiod;
 842	unsigned int i;
 843	unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11,
 844		S2MPS14_LDO12 };
 845
 846	for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) {
 847		unsigned int reg = valid_regulators[i];
 848
 849		if (!rdata[reg].init_data || !rdata[reg].of_node)
 850			continue;
 851
 852		gpio[reg] = devm_fwnode_gpiod_get(&pdev->dev,
 853				of_fwnode_handle(rdata[reg].of_node),
 854				"samsung,ext-control",
 855				GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
 856				"s2mps11-regulator");
 857		if (PTR_ERR(gpio[reg]) == -ENOENT)
 858			gpio[reg] = NULL;
 859		else if (IS_ERR(gpio[reg])) {
 860			dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n",
 861				reg, rdata[reg].name);
 862			gpio[reg] = NULL;
 863			continue;
 864		}
 865		if (gpio[reg])
 866			dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n",
 867				reg, rdata[reg].name);
 868	}
 869}
 870
 871static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
 872		struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
 873		unsigned int rdev_num)
 874{
 875	struct device_node *reg_np;
 876
 877	reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
 878	if (!reg_np) {
 879		dev_err(&pdev->dev, "could not find regulators sub-node\n");
 880		return -EINVAL;
 881	}
 882
 883	of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num);
 884	if (s2mps11->dev_type == S2MPS14X)
 885		s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
 886
 887	of_node_put(reg_np);
 888
 889	return 0;
 890}
 891
 892static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 893{
 894	unsigned int ramp_val, ramp_shift, ramp_reg;
 895	int rdev_id = rdev_get_id(rdev);
 896
 897	switch (rdev_id) {
 898	case S2MPU02_BUCK1:
 899		ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
 900		break;
 901	case S2MPU02_BUCK2:
 902		ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT;
 903		break;
 904	case S2MPU02_BUCK3:
 905		ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT;
 906		break;
 907	case S2MPU02_BUCK4:
 908		ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT;
 909		break;
 910	default:
 911		return 0;
 912	}
 913	ramp_reg = S2MPU02_REG_RAMP1;
 914	ramp_val = get_ramp_delay(ramp_delay);
 915
 916	return regmap_update_bits(rdev->regmap, ramp_reg,
 917				  S2MPU02_BUCK1234_RAMP_MASK << ramp_shift,
 918				  ramp_val << ramp_shift);
 919}
 920
 921static const struct regulator_ops s2mpu02_ldo_ops = {
 922	.list_voltage		= regulator_list_voltage_linear,
 923	.map_voltage		= regulator_map_voltage_linear,
 924	.is_enabled		= regulator_is_enabled_regmap,
 925	.enable			= s2mps11_regulator_enable,
 926	.disable		= regulator_disable_regmap,
 927	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 928	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 929	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 930	.set_suspend_disable	= s2mps11_regulator_set_suspend_disable,
 931};
 932
 933static const struct regulator_ops s2mpu02_buck_ops = {
 934	.list_voltage		= regulator_list_voltage_linear,
 935	.map_voltage		= regulator_map_voltage_linear,
 936	.is_enabled		= regulator_is_enabled_regmap,
 937	.enable			= s2mps11_regulator_enable,
 938	.disable		= regulator_disable_regmap,
 939	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 940	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 941	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 942	.set_suspend_disable	= s2mps11_regulator_set_suspend_disable,
 943	.set_ramp_delay		= s2mpu02_set_ramp_delay,
 944};
 945
 946#define regulator_desc_s2mpu02_ldo1(num) {		\
 947	.name		= "LDO"#num,			\
 948	.id		= S2MPU02_LDO##num,		\
 949	.ops		= &s2mpu02_ldo_ops,		\
 950	.type		= REGULATOR_VOLTAGE,		\
 951	.owner		= THIS_MODULE,			\
 952	.min_uV		= S2MPU02_LDO_MIN_900MV,	\
 953	.uV_step	= S2MPU02_LDO_STEP_12_5MV,	\
 954	.linear_min_sel	= S2MPU02_LDO_GROUP1_START_SEL,	\
 955	.n_voltages	= S2MPU02_LDO_N_VOLTAGES,	\
 956	.vsel_reg	= S2MPU02_REG_L1CTRL,		\
 957	.vsel_mask	= S2MPU02_LDO_VSEL_MASK,	\
 958	.enable_reg	= S2MPU02_REG_L1CTRL,		\
 959	.enable_mask	= S2MPU02_ENABLE_MASK		\
 960}
 961#define regulator_desc_s2mpu02_ldo2(num) {		\
 962	.name		= "LDO"#num,			\
 963	.id		= S2MPU02_LDO##num,		\
 964	.ops		= &s2mpu02_ldo_ops,		\
 965	.type		= REGULATOR_VOLTAGE,		\
 966	.owner		= THIS_MODULE,			\
 967	.min_uV		= S2MPU02_LDO_MIN_1050MV,	\
 968	.uV_step	= S2MPU02_LDO_STEP_25MV,	\
 969	.linear_min_sel	= S2MPU02_LDO_GROUP2_START_SEL,	\
 970	.n_voltages	= S2MPU02_LDO_N_VOLTAGES,	\
 971	.vsel_reg	= S2MPU02_REG_L2CTRL1,		\
 972	.vsel_mask	= S2MPU02_LDO_VSEL_MASK,	\
 973	.enable_reg	= S2MPU02_REG_L2CTRL1,		\
 974	.enable_mask	= S2MPU02_ENABLE_MASK		\
 975}
 976#define regulator_desc_s2mpu02_ldo3(num) {		\
 977	.name		= "LDO"#num,			\
 978	.id		= S2MPU02_LDO##num,		\
 979	.ops		= &s2mpu02_ldo_ops,		\
 980	.type		= REGULATOR_VOLTAGE,		\
 981	.owner		= THIS_MODULE,			\
 982	.min_uV		= S2MPU02_LDO_MIN_900MV,	\
 983	.uV_step	= S2MPU02_LDO_STEP_12_5MV,	\
 984	.linear_min_sel	= S2MPU02_LDO_GROUP1_START_SEL,	\
 985	.n_voltages	= S2MPU02_LDO_N_VOLTAGES,	\
 986	.vsel_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
 987	.vsel_mask	= S2MPU02_LDO_VSEL_MASK,	\
 988	.enable_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
 989	.enable_mask	= S2MPU02_ENABLE_MASK		\
 990}
 991#define regulator_desc_s2mpu02_ldo4(num) {		\
 992	.name		= "LDO"#num,			\
 993	.id		= S2MPU02_LDO##num,		\
 994	.ops		= &s2mpu02_ldo_ops,		\
 995	.type		= REGULATOR_VOLTAGE,		\
 996	.owner		= THIS_MODULE,			\
 997	.min_uV		= S2MPU02_LDO_MIN_1050MV,	\
 998	.uV_step	= S2MPU02_LDO_STEP_25MV,	\
 999	.linear_min_sel	= S2MPU02_LDO_GROUP2_START_SEL,	\
1000	.n_voltages	= S2MPU02_LDO_N_VOLTAGES,	\
1001	.vsel_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
1002	.vsel_mask	= S2MPU02_LDO_VSEL_MASK,	\
1003	.enable_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
1004	.enable_mask	= S2MPU02_ENABLE_MASK		\
1005}
1006#define regulator_desc_s2mpu02_ldo5(num) {		\
1007	.name		= "LDO"#num,			\
1008	.id		= S2MPU02_LDO##num,		\
1009	.ops		= &s2mpu02_ldo_ops,		\
1010	.type		= REGULATOR_VOLTAGE,		\
1011	.owner		= THIS_MODULE,			\
1012	.min_uV		= S2MPU02_LDO_MIN_1600MV,	\
1013	.uV_step	= S2MPU02_LDO_STEP_50MV,	\
1014	.linear_min_sel	= S2MPU02_LDO_GROUP3_START_SEL,	\
1015	.n_voltages	= S2MPU02_LDO_N_VOLTAGES,	\
1016	.vsel_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
1017	.vsel_mask	= S2MPU02_LDO_VSEL_MASK,	\
1018	.enable_reg	= S2MPU02_REG_L3CTRL + num - 3,	\
1019	.enable_mask	= S2MPU02_ENABLE_MASK		\
1020}
1021
1022#define regulator_desc_s2mpu02_buck1234(num) {			\
1023	.name		= "BUCK"#num,				\
1024	.id		= S2MPU02_BUCK##num,			\
1025	.ops		= &s2mpu02_buck_ops,			\
1026	.type		= REGULATOR_VOLTAGE,			\
1027	.owner		= THIS_MODULE,				\
1028	.min_uV		= S2MPU02_BUCK1234_MIN_600MV,		\
1029	.uV_step	= S2MPU02_BUCK1234_STEP_6_25MV,		\
1030	.n_voltages	= S2MPU02_BUCK_N_VOLTAGES,		\
1031	.linear_min_sel = S2MPU02_BUCK1234_START_SEL,		\
1032	.ramp_delay	= S2MPU02_BUCK_RAMP_DELAY,		\
1033	.vsel_reg	= S2MPU02_REG_B1CTRL2 + (num - 1) * 2,	\
1034	.vsel_mask	= S2MPU02_BUCK_VSEL_MASK,		\
1035	.enable_reg	= S2MPU02_REG_B1CTRL1 + (num - 1) * 2,	\
1036	.enable_mask	= S2MPU02_ENABLE_MASK			\
1037}
1038#define regulator_desc_s2mpu02_buck5(num) {			\
1039	.name		= "BUCK"#num,				\
1040	.id		= S2MPU02_BUCK##num,			\
1041	.ops		= &s2mpu02_ldo_ops,			\
1042	.type		= REGULATOR_VOLTAGE,			\
1043	.owner		= THIS_MODULE,				\
1044	.min_uV		= S2MPU02_BUCK5_MIN_1081_25MV,		\
1045	.uV_step	= S2MPU02_BUCK5_STEP_6_25MV,		\
1046	.n_voltages	= S2MPU02_BUCK_N_VOLTAGES,		\
1047	.linear_min_sel = S2MPU02_BUCK5_START_SEL,		\
1048	.ramp_delay	= S2MPU02_BUCK_RAMP_DELAY,		\
1049	.vsel_reg	= S2MPU02_REG_B5CTRL2,			\
1050	.vsel_mask	= S2MPU02_BUCK_VSEL_MASK,		\
1051	.enable_reg	= S2MPU02_REG_B5CTRL1,			\
1052	.enable_mask	= S2MPU02_ENABLE_MASK			\
1053}
1054#define regulator_desc_s2mpu02_buck6(num) {			\
1055	.name		= "BUCK"#num,				\
1056	.id		= S2MPU02_BUCK##num,			\
1057	.ops		= &s2mpu02_ldo_ops,			\
1058	.type		= REGULATOR_VOLTAGE,			\
1059	.owner		= THIS_MODULE,				\
1060	.min_uV		= S2MPU02_BUCK6_MIN_1700MV,		\
1061	.uV_step	= S2MPU02_BUCK6_STEP_2_50MV,		\
1062	.n_voltages	= S2MPU02_BUCK_N_VOLTAGES,		\
1063	.linear_min_sel = S2MPU02_BUCK6_START_SEL,		\
1064	.ramp_delay	= S2MPU02_BUCK_RAMP_DELAY,		\
1065	.vsel_reg	= S2MPU02_REG_B6CTRL2,			\
1066	.vsel_mask	= S2MPU02_BUCK_VSEL_MASK,		\
1067	.enable_reg	= S2MPU02_REG_B6CTRL1,			\
1068	.enable_mask	= S2MPU02_ENABLE_MASK			\
1069}
1070#define regulator_desc_s2mpu02_buck7(num) {			\
1071	.name		= "BUCK"#num,				\
1072	.id		= S2MPU02_BUCK##num,			\
1073	.ops		= &s2mpu02_ldo_ops,			\
1074	.type		= REGULATOR_VOLTAGE,			\
1075	.owner		= THIS_MODULE,				\
1076	.min_uV		= S2MPU02_BUCK7_MIN_900MV,		\
1077	.uV_step	= S2MPU02_BUCK7_STEP_6_25MV,		\
1078	.n_voltages	= S2MPU02_BUCK_N_VOLTAGES,		\
1079	.linear_min_sel = S2MPU02_BUCK7_START_SEL,		\
1080	.ramp_delay	= S2MPU02_BUCK_RAMP_DELAY,		\
1081	.vsel_reg	= S2MPU02_REG_B7CTRL2,			\
1082	.vsel_mask	= S2MPU02_BUCK_VSEL_MASK,		\
1083	.enable_reg	= S2MPU02_REG_B7CTRL1,			\
1084	.enable_mask	= S2MPU02_ENABLE_MASK			\
1085}
1086
1087static const struct regulator_desc s2mpu02_regulators[] = {
1088	regulator_desc_s2mpu02_ldo1(1),
1089	regulator_desc_s2mpu02_ldo2(2),
1090	regulator_desc_s2mpu02_ldo4(3),
1091	regulator_desc_s2mpu02_ldo5(4),
1092	regulator_desc_s2mpu02_ldo4(5),
1093	regulator_desc_s2mpu02_ldo3(6),
1094	regulator_desc_s2mpu02_ldo3(7),
1095	regulator_desc_s2mpu02_ldo4(8),
1096	regulator_desc_s2mpu02_ldo5(9),
1097	regulator_desc_s2mpu02_ldo3(10),
1098	regulator_desc_s2mpu02_ldo4(11),
1099	regulator_desc_s2mpu02_ldo5(12),
1100	regulator_desc_s2mpu02_ldo5(13),
1101	regulator_desc_s2mpu02_ldo5(14),
1102	regulator_desc_s2mpu02_ldo5(15),
1103	regulator_desc_s2mpu02_ldo5(16),
1104	regulator_desc_s2mpu02_ldo4(17),
1105	regulator_desc_s2mpu02_ldo5(18),
1106	regulator_desc_s2mpu02_ldo3(19),
1107	regulator_desc_s2mpu02_ldo4(20),
1108	regulator_desc_s2mpu02_ldo5(21),
1109	regulator_desc_s2mpu02_ldo5(22),
1110	regulator_desc_s2mpu02_ldo5(23),
1111	regulator_desc_s2mpu02_ldo4(24),
1112	regulator_desc_s2mpu02_ldo5(25),
1113	regulator_desc_s2mpu02_ldo4(26),
1114	regulator_desc_s2mpu02_ldo5(27),
1115	regulator_desc_s2mpu02_ldo5(28),
1116	regulator_desc_s2mpu02_buck1234(1),
1117	regulator_desc_s2mpu02_buck1234(2),
1118	regulator_desc_s2mpu02_buck1234(3),
1119	regulator_desc_s2mpu02_buck1234(4),
1120	regulator_desc_s2mpu02_buck5(5),
1121	regulator_desc_s2mpu02_buck6(6),
1122	regulator_desc_s2mpu02_buck7(7),
1123};
1124
1125#define regulator_desc_s2mpu05_ldo_reg(num, min, step, reg) {	\
1126	.name		= "ldo"#num,				\
1127	.id		= S2MPU05_LDO##num,			\
1128	.ops		= &s2mpu02_ldo_ops,			\
1129	.type		= REGULATOR_VOLTAGE,			\
1130	.owner		= THIS_MODULE,				\
1131	.min_uV		= min,					\
1132	.uV_step	= step,					\
1133	.n_voltages	= S2MPU05_LDO_N_VOLTAGES,		\
1134	.vsel_reg	= reg,					\
1135	.vsel_mask	= S2MPU05_LDO_VSEL_MASK,		\
1136	.enable_reg	= reg,					\
1137	.enable_mask	= S2MPU05_ENABLE_MASK,			\
1138	.enable_time	= S2MPU05_ENABLE_TIME_LDO		\
1139}
1140
1141#define regulator_desc_s2mpu05_ldo(num, reg, min, step) \
1142	regulator_desc_s2mpu05_ldo_reg(num, min, step, S2MPU05_REG_L##num##reg)
1143
1144#define regulator_desc_s2mpu05_ldo1(num, reg) \
1145	regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP1)
1146
1147#define regulator_desc_s2mpu05_ldo2(num, reg) \
1148	regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP2)
1149
1150#define regulator_desc_s2mpu05_ldo3(num, reg) \
1151	regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN2, S2MPU05_LDO_STEP2)
1152
1153#define regulator_desc_s2mpu05_ldo4(num, reg) \
1154	regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN3, S2MPU05_LDO_STEP2)
1155
1156#define regulator_desc_s2mpu05_buck(num, which) {	\
1157	.name		= "buck"#num,			\
1158	.id		= S2MPU05_BUCK##num,		\
1159	.ops		= &s2mpu02_buck_ops,		\
1160	.type		= REGULATOR_VOLTAGE,		\
1161	.owner		= THIS_MODULE,			\
1162	.min_uV		= S2MPU05_BUCK_MIN##which,	\
1163	.uV_step	= S2MPU05_BUCK_STEP##which,	\
1164	.n_voltages	= S2MPU05_BUCK_N_VOLTAGES,	\
1165	.vsel_reg	= S2MPU05_REG_B##num##CTRL2,	\
1166	.vsel_mask	= S2MPU05_BUCK_VSEL_MASK,	\
1167	.enable_reg	= S2MPU05_REG_B##num##CTRL1,	\
1168	.enable_mask	= S2MPU05_ENABLE_MASK,		\
1169	.enable_time	= S2MPU05_ENABLE_TIME_BUCK##num	\
1170}
1171
1172#define regulator_desc_s2mpu05_buck123(num) regulator_desc_s2mpu05_buck(num, 1)
1173#define regulator_desc_s2mpu05_buck45(num) regulator_desc_s2mpu05_buck(num, 2)
1174
1175static const struct regulator_desc s2mpu05_regulators[] = {
1176	regulator_desc_s2mpu05_ldo4(1, CTRL),
1177	regulator_desc_s2mpu05_ldo3(2, CTRL),
1178	regulator_desc_s2mpu05_ldo2(3, CTRL),
1179	regulator_desc_s2mpu05_ldo1(4, CTRL),
1180	regulator_desc_s2mpu05_ldo1(5, CTRL),
1181	regulator_desc_s2mpu05_ldo1(6, CTRL),
1182	regulator_desc_s2mpu05_ldo2(7, CTRL),
1183	regulator_desc_s2mpu05_ldo3(8, CTRL),
1184	regulator_desc_s2mpu05_ldo4(9, CTRL1),
1185	regulator_desc_s2mpu05_ldo4(10, CTRL),
1186	/* LDOs 11-24 are used for CP. They aren't documented. */
1187	regulator_desc_s2mpu05_ldo2(25, CTRL),
1188	regulator_desc_s2mpu05_ldo3(26, CTRL),
1189	regulator_desc_s2mpu05_ldo2(27, CTRL),
1190	regulator_desc_s2mpu05_ldo3(28, CTRL),
1191	regulator_desc_s2mpu05_ldo3(29, CTRL),
1192	regulator_desc_s2mpu05_ldo2(30, CTRL),
1193	regulator_desc_s2mpu05_ldo3(31, CTRL),
1194	regulator_desc_s2mpu05_ldo3(32, CTRL),
1195	regulator_desc_s2mpu05_ldo3(33, CTRL),
1196	regulator_desc_s2mpu05_ldo3(34, CTRL),
1197	regulator_desc_s2mpu05_ldo3(35, CTRL),
1198	regulator_desc_s2mpu05_buck123(1),
1199	regulator_desc_s2mpu05_buck123(2),
1200	regulator_desc_s2mpu05_buck123(3),
1201	regulator_desc_s2mpu05_buck45(4),
1202	regulator_desc_s2mpu05_buck45(5),
1203};
1204
1205static int s2mps11_pmic_probe(struct platform_device *pdev)
1206{
1207	struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
1208	struct regulator_config config = { };
1209	struct s2mps11_info *s2mps11;
1210	unsigned int rdev_num = 0;
1211	int i, ret = 0;
1212	const struct regulator_desc *regulators;
1213
1214	s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
1215				GFP_KERNEL);
1216	if (!s2mps11)
1217		return -ENOMEM;
1218
1219	s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
1220	switch (s2mps11->dev_type) {
1221	case S2MPS11X:
1222		rdev_num = ARRAY_SIZE(s2mps11_regulators);
1223		regulators = s2mps11_regulators;
1224		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators));
1225		break;
1226	case S2MPS13X:
1227		rdev_num = ARRAY_SIZE(s2mps13_regulators);
1228		regulators = s2mps13_regulators;
1229		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators));
1230		break;
1231	case S2MPS14X:
1232		rdev_num = ARRAY_SIZE(s2mps14_regulators);
1233		regulators = s2mps14_regulators;
1234		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators));
1235		break;
1236	case S2MPS15X:
1237		rdev_num = ARRAY_SIZE(s2mps15_regulators);
1238		regulators = s2mps15_regulators;
1239		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators));
1240		break;
1241	case S2MPU02:
1242		rdev_num = ARRAY_SIZE(s2mpu02_regulators);
1243		regulators = s2mpu02_regulators;
1244		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators));
1245		break;
1246	case S2MPU05:
1247		rdev_num = ARRAY_SIZE(s2mpu05_regulators);
1248		regulators = s2mpu05_regulators;
1249		BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu05_regulators));
1250		break;
1251	default:
1252		dev_err(&pdev->dev, "Invalid device type: %u\n",
1253				    s2mps11->dev_type);
1254		return -EINVAL;
1255	}
1256
1257	s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num,
1258			       sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL);
1259	if (!s2mps11->ext_control_gpiod)
1260		return -ENOMEM;
1261
1262	struct of_regulator_match *rdata __free(kfree) =
1263		kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
1264	if (!rdata)
1265		return -ENOMEM;
1266
1267	for (i = 0; i < rdev_num; i++)
1268		rdata[i].name = regulators[i].name;
1269
1270	ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
1271	if (ret)
1272		return ret;
1273
1274	platform_set_drvdata(pdev, s2mps11);
1275
1276	config.dev = &pdev->dev;
1277	config.regmap = iodev->regmap_pmic;
1278	config.driver_data = s2mps11;
1279	for (i = 0; i < rdev_num; i++) {
1280		struct regulator_dev *regulator;
1281
1282		config.init_data = rdata[i].init_data;
1283		config.of_node = rdata[i].of_node;
1284		config.ena_gpiod = s2mps11->ext_control_gpiod[i];
1285		/*
1286		 * Hand the GPIO descriptor management over to the regulator
1287		 * core, remove it from devres management.
1288		 */
1289		if (config.ena_gpiod)
1290			devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod);
1291		regulator = devm_regulator_register(&pdev->dev,
1292						&regulators[i], &config);
1293		if (IS_ERR(regulator)) {
1294			dev_err(&pdev->dev, "regulator init failed for %d\n",
1295				i);
1296			return PTR_ERR(regulator);
1297		}
1298
1299		if (config.ena_gpiod) {
1300			ret = s2mps14_pmic_enable_ext_control(s2mps11,
1301					regulator);
1302			if (ret < 0) {
1303				dev_err(&pdev->dev,
1304						"failed to enable GPIO control over %s: %d\n",
1305						regulator->desc->name, ret);
1306				return ret;
1307			}
1308		}
1309	}
1310
1311	return 0;
1312}
1313
1314static const struct platform_device_id s2mps11_pmic_id[] = {
1315	{ "s2mps11-regulator", S2MPS11X},
1316	{ "s2mps13-regulator", S2MPS13X},
1317	{ "s2mps14-regulator", S2MPS14X},
1318	{ "s2mps15-regulator", S2MPS15X},
1319	{ "s2mpu02-regulator", S2MPU02},
1320	{ "s2mpu05-regulator", S2MPU05},
1321	{ },
1322};
1323MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
1324
1325static struct platform_driver s2mps11_pmic_driver = {
1326	.driver = {
1327		.name = "s2mps11-pmic",
1328		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
1329	},
1330	.probe = s2mps11_pmic_probe,
1331	.id_table = s2mps11_pmic_id,
1332};
1333
1334module_platform_driver(s2mps11_pmic_driver);
1335
1336/* Module information */
1337MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
1338MODULE_DESCRIPTION("Samsung S2MPS11/14/15/S2MPU02/05 Regulator Driver");
1339MODULE_LICENSE("GPL");