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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Regulator driver for Rockchip RK805/RK808/RK818
   4 *
   5 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
   6 *
   7 * Author: Chris Zhong <zyw@rock-chips.com>
   8 * Author: Zhang Qing <zhangqing@rock-chips.com>
   9 *
  10 * Copyright (C) 2016 PHYTEC Messtechnik GmbH
  11 *
  12 * Author: Wadim Egorov <w.egorov@phytec.de>
  13 */
  14
  15#include <linux/delay.h>
  16#include <linux/gpio.h>
  17#include <linux/i2c.h>
  18#include <linux/module.h>
  19#include <linux/of_device.h>
  20#include <linux/of_gpio.h>
  21#include <linux/mfd/rk808.h>
  22#include <linux/regulator/driver.h>
  23#include <linux/regulator/of_regulator.h>
  24#include <linux/gpio/consumer.h>
  25
  26/* Field Definitions */
  27#define RK808_BUCK_VSEL_MASK	0x3f
  28#define RK808_BUCK4_VSEL_MASK	0xf
  29#define RK808_LDO_VSEL_MASK	0x1f
  30
  31#define RK809_BUCK5_VSEL_MASK		0x7
  32
  33#define RK817_LDO_VSEL_MASK		0x7f
  34#define RK817_BOOST_VSEL_MASK		0x7
  35#define RK817_BUCK_VSEL_MASK		0x7f
  36
  37#define RK818_BUCK_VSEL_MASK		0x3f
  38#define RK818_BUCK4_VSEL_MASK		0x1f
  39#define RK818_LDO_VSEL_MASK		0x1f
  40#define RK818_LDO3_ON_VSEL_MASK		0xf
  41#define RK818_BOOST_ON_VSEL_MASK	0xe0
  42
  43/* Ramp rate definitions for buck1 / buck2 only */
  44#define RK808_RAMP_RATE_OFFSET		3
  45#define RK808_RAMP_RATE_MASK		(3 << RK808_RAMP_RATE_OFFSET)
  46#define RK808_RAMP_RATE_2MV_PER_US	(0 << RK808_RAMP_RATE_OFFSET)
  47#define RK808_RAMP_RATE_4MV_PER_US	(1 << RK808_RAMP_RATE_OFFSET)
  48#define RK808_RAMP_RATE_6MV_PER_US	(2 << RK808_RAMP_RATE_OFFSET)
  49#define RK808_RAMP_RATE_10MV_PER_US	(3 << RK808_RAMP_RATE_OFFSET)
  50
  51#define RK808_DVS2_POL		BIT(2)
  52#define RK808_DVS1_POL		BIT(1)
  53
  54/* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */
  55#define RK808_SLP_REG_OFFSET 1
  56
  57/* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */
  58#define RK808_DVS_REG_OFFSET 2
  59
  60/* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */
  61#define RK808_SLP_SET_OFF_REG_OFFSET 2
  62
  63/* max steps for increase voltage of Buck1/2, equal 100mv*/
  64#define MAX_STEPS_ONE_TIME 8
  65
  66#define ENABLE_MASK(id)			(BIT(id) | BIT(4 + (id)))
  67#define DISABLE_VAL(id)			(BIT(4 + (id)))
  68
  69#define RK817_BOOST_DESC(_id, _match, _supply, _min, _max, _step, _vreg,\
  70	_vmask, _ereg, _emask, _enval, _disval, _etime, m_drop)		\
  71	{							\
  72		.name		= (_match),				\
  73		.supply_name	= (_supply),				\
  74		.of_match	= of_match_ptr(_match),			\
  75		.regulators_node = of_match_ptr("regulators"),		\
  76		.type		= REGULATOR_VOLTAGE,			\
  77		.id		= (_id),				\
  78		.n_voltages	= (((_max) - (_min)) / (_step) + 1),	\
  79		.owner		= THIS_MODULE,				\
  80		.min_uV		= (_min) * 1000,			\
  81		.uV_step	= (_step) * 1000,			\
  82		.vsel_reg	= (_vreg),				\
  83		.vsel_mask	= (_vmask),				\
  84		.enable_reg	= (_ereg),				\
  85		.enable_mask	= (_emask),				\
  86		.enable_val     = (_enval),				\
  87		.disable_val     = (_disval),				\
  88		.enable_time	= (_etime),				\
  89		.min_dropout_uV = (m_drop) * 1000,			\
  90		.ops		= &rk817_boost_ops,			\
  91	}
  92
  93#define RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
  94	_vmask, _ereg, _emask, _enval, _disval, _etime, _ops)		\
  95	{								\
  96		.name		= (_match),				\
  97		.supply_name	= (_supply),				\
  98		.of_match	= of_match_ptr(_match),			\
  99		.regulators_node = of_match_ptr("regulators"),		\
 100		.type		= REGULATOR_VOLTAGE,			\
 101		.id		= (_id),				\
 102		.n_voltages	= (((_max) - (_min)) / (_step) + 1),	\
 103		.owner		= THIS_MODULE,				\
 104		.min_uV		= (_min) * 1000,			\
 105		.uV_step	= (_step) * 1000,			\
 106		.vsel_reg	= (_vreg),				\
 107		.vsel_mask	= (_vmask),				\
 108		.enable_reg	= (_ereg),				\
 109		.enable_mask	= (_emask),				\
 110		.enable_val     = (_enval),				\
 111		.disable_val     = (_disval),				\
 112		.enable_time	= (_etime),				\
 113		.ops		= _ops,			\
 114	}
 115
 116#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
 117	_vmask, _ereg, _emask, _etime)					\
 118	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
 119	_vmask, _ereg, _emask, 0, 0, _etime, &rk805_reg_ops)
 120
 121#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
 122	_vmask, _ereg, _emask, _etime)					\
 123	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
 124	_vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)
 125
 126#define RK817_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
 127	_vmask, _ereg, _emask, _disval, _etime)				\
 128	RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg,	\
 129	_vmask, _ereg, _emask, _emask, _disval, _etime, &rk817_reg_ops)
 130
 131#define RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
 132	_enval, _disval, _ops)						\
 133	{								\
 134		.name		= (_match),				\
 135		.supply_name	= (_supply),				\
 136		.of_match	= of_match_ptr(_match),			\
 137		.regulators_node = of_match_ptr("regulators"),		\
 138		.type		= REGULATOR_VOLTAGE,			\
 139		.id		= (_id),				\
 140		.enable_reg	= (_ereg),				\
 141		.enable_mask	= (_emask),				\
 142		.enable_val     = (_enval),				\
 143		.disable_val     = (_disval),				\
 144		.owner		= THIS_MODULE,				\
 145		.ops		= _ops					\
 146	}
 147
 148#define RK817_DESC_SWITCH(_id, _match, _supply, _ereg, _emask,		\
 149	_disval)							\
 150	RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
 151	_emask, _disval, &rk817_switch_ops)
 152
 153#define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask)		\
 154	RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask,	\
 155	0, 0, &rk808_switch_ops)
 156
 157struct rk808_regulator_data {
 158	struct gpio_desc *dvs_gpio[2];
 159};
 160
 161static const int rk808_buck_config_regs[] = {
 162	RK808_BUCK1_CONFIG_REG,
 163	RK808_BUCK2_CONFIG_REG,
 164	RK808_BUCK3_CONFIG_REG,
 165	RK808_BUCK4_CONFIG_REG,
 166};
 167
 168static const struct linear_range rk808_ldo3_voltage_ranges[] = {
 169	REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
 170	REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
 171};
 172
 173#define RK809_BUCK5_SEL_CNT		(8)
 174
 175static const struct linear_range rk809_buck5_voltage_ranges[] = {
 176	REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
 177	REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
 178	REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
 179	REGULATOR_LINEAR_RANGE(3300000, 6, 7, 300000),
 180};
 181
 182#define RK817_BUCK1_MIN0 500000
 183#define RK817_BUCK1_MAX0 1500000
 184
 185#define RK817_BUCK1_MIN1 1600000
 186#define RK817_BUCK1_MAX1 2400000
 187
 188#define RK817_BUCK3_MAX1 3400000
 189
 190#define RK817_BUCK1_STP0 12500
 191#define RK817_BUCK1_STP1 100000
 192
 193#define RK817_BUCK1_SEL0 ((RK817_BUCK1_MAX0 - RK817_BUCK1_MIN0) /\
 194						  RK817_BUCK1_STP0)
 195#define RK817_BUCK1_SEL1 ((RK817_BUCK1_MAX1 - RK817_BUCK1_MIN1) /\
 196						  RK817_BUCK1_STP1)
 197
 198#define RK817_BUCK3_SEL1 ((RK817_BUCK3_MAX1 - RK817_BUCK1_MIN1) /\
 199						  RK817_BUCK1_STP1)
 200
 201#define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
 202#define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)
 203
 204static const struct linear_range rk817_buck1_voltage_ranges[] = {
 205	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
 206			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
 207	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
 208			       RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
 209};
 210
 211static const struct linear_range rk817_buck3_voltage_ranges[] = {
 212	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
 213			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
 214	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
 215			       RK817_BUCK3_SEL_CNT, RK817_BUCK1_STP1),
 216};
 217
 218static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
 219{
 220	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
 221	int id = rdev_get_id(rdev);
 222	struct gpio_desc *gpio = pdata->dvs_gpio[id];
 223	unsigned int val;
 224	int ret;
 225
 226	if (!gpio || gpiod_get_value(gpio) == 0)
 227		return regulator_get_voltage_sel_regmap(rdev);
 228
 229	ret = regmap_read(rdev->regmap,
 230			  rdev->desc->vsel_reg + RK808_DVS_REG_OFFSET,
 231			  &val);
 232	if (ret != 0)
 233		return ret;
 234
 235	val &= rdev->desc->vsel_mask;
 236	val >>= ffs(rdev->desc->vsel_mask) - 1;
 237
 238	return val;
 239}
 240
 241static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev,
 242					     unsigned sel)
 243{
 244	int ret, delta_sel;
 245	unsigned int old_sel, tmp, val, mask = rdev->desc->vsel_mask;
 246
 247	ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
 248	if (ret != 0)
 249		return ret;
 250
 251	tmp = val & ~mask;
 252	old_sel = val & mask;
 253	old_sel >>= ffs(mask) - 1;
 254	delta_sel = sel - old_sel;
 255
 256	/*
 257	 * If directly modify the register to change the voltage, we will face
 258	 * the risk of overshoot. Put it into a multi-step, can effectively
 259	 * avoid this problem, a step is 100mv here.
 260	 */
 261	while (delta_sel > MAX_STEPS_ONE_TIME) {
 262		old_sel += MAX_STEPS_ONE_TIME;
 263		val = old_sel << (ffs(mask) - 1);
 264		val |= tmp;
 265
 266		/*
 267		 * i2c is 400kHz (2.5us per bit) and we must transmit _at least_
 268		 * 3 bytes (24 bits) plus start and stop so 26 bits.  So we've
 269		 * got more than 65 us between each voltage change and thus
 270		 * won't ramp faster than ~1500 uV / us.
 271		 */
 272		ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
 273		delta_sel = sel - old_sel;
 274	}
 275
 276	sel <<= ffs(mask) - 1;
 277	val = tmp | sel;
 278	ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
 279
 280	/*
 281	 * When we change the voltage register directly, the ramp rate is about
 282	 * 100000uv/us, wait 1us to make sure the target voltage to be stable,
 283	 * so we needn't wait extra time after that.
 284	 */
 285	udelay(1);
 286
 287	return ret;
 288}
 289
 290static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
 291					 unsigned sel)
 292{
 293	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
 294	int id = rdev_get_id(rdev);
 295	struct gpio_desc *gpio = pdata->dvs_gpio[id];
 296	unsigned int reg = rdev->desc->vsel_reg;
 297	unsigned old_sel;
 298	int ret, gpio_level;
 299
 300	if (!gpio)
 301		return rk808_buck1_2_i2c_set_voltage_sel(rdev, sel);
 302
 303	gpio_level = gpiod_get_value(gpio);
 304	if (gpio_level == 0) {
 305		reg += RK808_DVS_REG_OFFSET;
 306		ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &old_sel);
 307	} else {
 308		ret = regmap_read(rdev->regmap,
 309				  reg + RK808_DVS_REG_OFFSET,
 310				  &old_sel);
 311	}
 312
 313	if (ret != 0)
 314		return ret;
 315
 316	sel <<= ffs(rdev->desc->vsel_mask) - 1;
 317	sel |= old_sel & ~rdev->desc->vsel_mask;
 318
 319	ret = regmap_write(rdev->regmap, reg, sel);
 320	if (ret)
 321		return ret;
 322
 323	gpiod_set_value(gpio, !gpio_level);
 324
 325	return ret;
 326}
 327
 328static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
 329				       unsigned int old_selector,
 330				       unsigned int new_selector)
 331{
 332	struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
 333	int id = rdev_get_id(rdev);
 334	struct gpio_desc *gpio = pdata->dvs_gpio[id];
 335
 336	/* if there is no dvs1/2 pin, we don't need wait extra time here. */
 337	if (!gpio)
 338		return 0;
 339
 340	return regulator_set_voltage_time_sel(rdev, old_selector, new_selector);
 341}
 342
 343static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 344{
 345	unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
 346	unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];
 347
 348	switch (ramp_delay) {
 349	case 1 ... 2000:
 350		ramp_value = RK808_RAMP_RATE_2MV_PER_US;
 351		break;
 352	case 2001 ... 4000:
 353		ramp_value = RK808_RAMP_RATE_4MV_PER_US;
 354		break;
 355	case 4001 ... 6000:
 356		ramp_value = RK808_RAMP_RATE_6MV_PER_US;
 357		break;
 358	case 6001 ... 10000:
 359		break;
 360	default:
 361		pr_warn("%s ramp_delay: %d not supported, setting 10000\n",
 362			rdev->desc->name, ramp_delay);
 363	}
 364
 365	return regmap_update_bits(rdev->regmap, reg,
 366				  RK808_RAMP_RATE_MASK, ramp_value);
 367}
 368
 369/*
 370 * RK817 RK809
 371 */
 372static int rk817_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 373{
 374	unsigned int ramp_value = RK817_RAMP_RATE_25MV_PER_US;
 375	unsigned int reg = RK817_BUCK_CONFIG_REG(rdev_get_id(rdev));
 376
 377	switch (ramp_delay) {
 378	case 0 ... 3000:
 379		ramp_value = RK817_RAMP_RATE_3MV_PER_US;
 380		break;
 381	case 3001 ... 6300:
 382		ramp_value = RK817_RAMP_RATE_6_3MV_PER_US;
 383		break;
 384	case 6301 ... 12500:
 385		ramp_value = RK817_RAMP_RATE_12_5MV_PER_US;
 386		break;
 387	case 12501 ... 25000:
 388		break;
 389	default:
 390		dev_warn(&rdev->dev,
 391			 "%s ramp_delay: %d not supported, setting 25000\n",
 392			 rdev->desc->name, ramp_delay);
 393	}
 394
 395	return regmap_update_bits(rdev->regmap, reg,
 396				  RK817_RAMP_RATE_MASK, ramp_value);
 397}
 398
 399static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv)
 400{
 401	unsigned int reg;
 402	int sel = regulator_map_voltage_linear(rdev, uv, uv);
 403
 404	if (sel < 0)
 405		return -EINVAL;
 406
 407	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
 408
 409	return regmap_update_bits(rdev->regmap, reg,
 410				  rdev->desc->vsel_mask,
 411				  sel);
 412}
 413
 414static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
 415{
 416	unsigned int reg;
 417	int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
 418
 419	if (sel < 0)
 420		return -EINVAL;
 421
 422	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
 423
 424	return regmap_update_bits(rdev->regmap, reg,
 425				  rdev->desc->vsel_mask,
 426				  sel);
 427}
 428
 429static int rk805_set_suspend_enable(struct regulator_dev *rdev)
 430{
 431	unsigned int reg;
 432
 433	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
 434
 435	return regmap_update_bits(rdev->regmap, reg,
 436				  rdev->desc->enable_mask,
 437				  rdev->desc->enable_mask);
 438}
 439
 440static int rk805_set_suspend_disable(struct regulator_dev *rdev)
 441{
 442	unsigned int reg;
 443
 444	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
 445
 446	return regmap_update_bits(rdev->regmap, reg,
 447				  rdev->desc->enable_mask,
 448				  0);
 449}
 450
 451static int rk808_set_suspend_enable(struct regulator_dev *rdev)
 452{
 453	unsigned int reg;
 454
 455	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
 456
 457	return regmap_update_bits(rdev->regmap, reg,
 458				  rdev->desc->enable_mask,
 459				  0);
 460}
 461
 462static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 463{
 464	unsigned int reg;
 465
 466	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
 467
 468	return regmap_update_bits(rdev->regmap, reg,
 469				  rdev->desc->enable_mask,
 470				  rdev->desc->enable_mask);
 471}
 472
 473static int rk817_set_suspend_enable_ctrl(struct regulator_dev *rdev,
 474					 unsigned int en)
 475{
 476	unsigned int reg;
 477	int id = rdev_get_id(rdev);
 478	unsigned int id_slp, msk, val;
 479
 480	if (id >= RK817_ID_DCDC1 && id <= RK817_ID_DCDC4)
 481		id_slp = id;
 482	else if (id >= RK817_ID_LDO1 && id <= RK817_ID_LDO8)
 483		id_slp = 8 + (id - RK817_ID_LDO1);
 484	else if (id >= RK817_ID_LDO9 && id <= RK809_ID_SW2)
 485		id_slp = 4 + (id - RK817_ID_LDO9);
 486	else
 487		return -EINVAL;
 488
 489	reg = RK817_POWER_SLP_EN_REG(id_slp / 8);
 490
 491	msk = BIT(id_slp % 8);
 492	if (en)
 493		val = msk;
 494	else
 495		val = 0;
 496
 497	return regmap_update_bits(rdev->regmap, reg, msk, val);
 498}
 499
 500static int rk817_set_suspend_enable(struct regulator_dev *rdev)
 501{
 502	return rk817_set_suspend_enable_ctrl(rdev, 1);
 503}
 504
 505static int rk817_set_suspend_disable(struct regulator_dev *rdev)
 506{
 507	return rk817_set_suspend_enable_ctrl(rdev, 0);
 508}
 509
 510static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode)
 511{
 512	unsigned int reg;
 513
 514	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
 515
 516	switch (mode) {
 517	case REGULATOR_MODE_FAST:
 518		return regmap_update_bits(rdev->regmap, reg,
 519					  PWM_MODE_MSK, FPWM_MODE);
 520	case REGULATOR_MODE_NORMAL:
 521		return regmap_update_bits(rdev->regmap, reg,
 522					  PWM_MODE_MSK, AUTO_PWM_MODE);
 523	default:
 524		dev_err(&rdev->dev, "do not support this mode\n");
 525		return -EINVAL;
 526	}
 527
 528	return 0;
 529}
 530
 531static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode)
 532{
 533	switch (mode) {
 534	case REGULATOR_MODE_FAST:
 535		return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
 536					  PWM_MODE_MSK, FPWM_MODE);
 537	case REGULATOR_MODE_NORMAL:
 538		return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
 539					  PWM_MODE_MSK, AUTO_PWM_MODE);
 540	default:
 541		dev_err(&rdev->dev, "do not support this mode\n");
 542		return -EINVAL;
 543	}
 544
 545	return 0;
 546}
 547
 548static unsigned int rk8xx_get_mode(struct regulator_dev *rdev)
 549{
 550	unsigned int val;
 551	int err;
 552
 553	err = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
 554	if (err)
 555		return err;
 556
 557	if (val & FPWM_MODE)
 558		return REGULATOR_MODE_FAST;
 559	else
 560		return REGULATOR_MODE_NORMAL;
 561}
 562
 563static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev)
 564{
 565	unsigned int val;
 566	int ret;
 567
 568	ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
 569	if (ret != 0)
 570		return ret;
 571
 572	/* add write mask bit */
 573	val |= (rdev->desc->enable_mask & 0xf0);
 574	val &= rdev->desc->enable_mask;
 575
 576	if (rdev->desc->enable_is_inverted) {
 577		if (rdev->desc->enable_val)
 578			return val != rdev->desc->enable_val;
 579		return (val == 0);
 580	}
 581	if (rdev->desc->enable_val)
 582		return val == rdev->desc->enable_val;
 583	return val != 0;
 584}
 585
 586static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode)
 587{
 588	switch (mode) {
 589	case 1:
 590		return REGULATOR_MODE_FAST;
 591	case 2:
 592		return REGULATOR_MODE_NORMAL;
 593	default:
 594		return REGULATOR_MODE_INVALID;
 595	}
 596}
 597
 598static const struct regulator_ops rk805_reg_ops = {
 599	.list_voltage           = regulator_list_voltage_linear,
 600	.map_voltage            = regulator_map_voltage_linear,
 601	.get_voltage_sel        = regulator_get_voltage_sel_regmap,
 602	.set_voltage_sel        = regulator_set_voltage_sel_regmap,
 603	.enable                 = regulator_enable_regmap,
 604	.disable                = regulator_disable_regmap,
 605	.is_enabled             = regulator_is_enabled_regmap,
 606	.set_suspend_voltage    = rk808_set_suspend_voltage,
 607	.set_suspend_enable     = rk805_set_suspend_enable,
 608	.set_suspend_disable    = rk805_set_suspend_disable,
 609};
 610
 611static const struct regulator_ops rk805_switch_ops = {
 612	.enable                 = regulator_enable_regmap,
 613	.disable                = regulator_disable_regmap,
 614	.is_enabled             = regulator_is_enabled_regmap,
 615	.set_suspend_enable     = rk805_set_suspend_enable,
 616	.set_suspend_disable    = rk805_set_suspend_disable,
 617};
 618
 619static const struct regulator_ops rk808_buck1_2_ops = {
 620	.list_voltage		= regulator_list_voltage_linear,
 621	.map_voltage		= regulator_map_voltage_linear,
 622	.get_voltage_sel	= rk808_buck1_2_get_voltage_sel_regmap,
 623	.set_voltage_sel	= rk808_buck1_2_set_voltage_sel,
 624	.set_voltage_time_sel	= rk808_buck1_2_set_voltage_time_sel,
 625	.enable			= regulator_enable_regmap,
 626	.disable		= regulator_disable_regmap,
 627	.is_enabled		= regulator_is_enabled_regmap,
 628	.set_ramp_delay		= rk808_set_ramp_delay,
 629	.set_suspend_voltage	= rk808_set_suspend_voltage,
 630	.set_suspend_enable	= rk808_set_suspend_enable,
 631	.set_suspend_disable	= rk808_set_suspend_disable,
 632};
 633
 634static const struct regulator_ops rk808_reg_ops = {
 635	.list_voltage		= regulator_list_voltage_linear,
 636	.map_voltage		= regulator_map_voltage_linear,
 637	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 638	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 639	.enable			= regulator_enable_regmap,
 640	.disable		= regulator_disable_regmap,
 641	.is_enabled		= regulator_is_enabled_regmap,
 642	.set_suspend_voltage	= rk808_set_suspend_voltage,
 643	.set_suspend_enable	= rk808_set_suspend_enable,
 644	.set_suspend_disable	= rk808_set_suspend_disable,
 645};
 646
 647static const struct regulator_ops rk808_reg_ops_ranges = {
 648	.list_voltage		= regulator_list_voltage_linear_range,
 649	.map_voltage		= regulator_map_voltage_linear_range,
 650	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 651	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 652	.enable			= regulator_enable_regmap,
 653	.disable		= regulator_disable_regmap,
 654	.is_enabled		= regulator_is_enabled_regmap,
 655	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
 656	.set_suspend_enable	= rk808_set_suspend_enable,
 657	.set_suspend_disable	= rk808_set_suspend_disable,
 658};
 659
 660static const struct regulator_ops rk808_switch_ops = {
 661	.enable			= regulator_enable_regmap,
 662	.disable		= regulator_disable_regmap,
 663	.is_enabled		= regulator_is_enabled_regmap,
 664	.set_suspend_enable	= rk808_set_suspend_enable,
 665	.set_suspend_disable	= rk808_set_suspend_disable,
 666};
 667
 668static const struct linear_range rk805_buck_1_2_voltage_ranges[] = {
 669	REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
 670	REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
 671	REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
 672};
 673
 674static const struct regulator_ops rk809_buck5_ops_range = {
 675	.list_voltage		= regulator_list_voltage_linear_range,
 676	.map_voltage		= regulator_map_voltage_linear_range,
 677	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 678	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 679	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 680	.enable			= regulator_enable_regmap,
 681	.disable		= regulator_disable_regmap,
 682	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
 683	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
 684	.set_suspend_enable	= rk817_set_suspend_enable,
 685	.set_suspend_disable	= rk817_set_suspend_disable,
 686};
 687
 688static const struct regulator_ops rk817_reg_ops = {
 689	.list_voltage		= regulator_list_voltage_linear,
 690	.map_voltage		= regulator_map_voltage_linear,
 691	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 692	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 693	.enable			= regulator_enable_regmap,
 694	.disable		= regulator_disable_regmap,
 695	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
 696	.set_suspend_voltage	= rk808_set_suspend_voltage,
 697	.set_suspend_enable	= rk817_set_suspend_enable,
 698	.set_suspend_disable	= rk817_set_suspend_disable,
 699};
 700
 701static const struct regulator_ops rk817_boost_ops = {
 702	.list_voltage		= regulator_list_voltage_linear,
 703	.map_voltage		= regulator_map_voltage_linear,
 704	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 705	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 706	.enable			= regulator_enable_regmap,
 707	.disable		= regulator_disable_regmap,
 708	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
 709	.set_suspend_enable	= rk817_set_suspend_enable,
 710	.set_suspend_disable	= rk817_set_suspend_disable,
 711};
 712
 713static const struct regulator_ops rk817_buck_ops_range = {
 714	.list_voltage		= regulator_list_voltage_linear_range,
 715	.map_voltage		= regulator_map_voltage_linear_range,
 716	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 717	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 718	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 719	.enable			= regulator_enable_regmap,
 720	.disable		= regulator_disable_regmap,
 721	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
 722	.set_mode		= rk8xx_set_mode,
 723	.get_mode		= rk8xx_get_mode,
 724	.set_suspend_mode	= rk8xx_set_suspend_mode,
 725	.set_ramp_delay		= rk817_set_ramp_delay,
 726	.set_suspend_voltage	= rk808_set_suspend_voltage_range,
 727	.set_suspend_enable	= rk817_set_suspend_enable,
 728	.set_suspend_disable	= rk817_set_suspend_disable,
 729};
 730
 731static const struct regulator_ops rk817_switch_ops = {
 732	.enable			= regulator_enable_regmap,
 733	.disable		= regulator_disable_regmap,
 734	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
 735	.set_suspend_enable	= rk817_set_suspend_enable,
 736	.set_suspend_disable	= rk817_set_suspend_disable,
 737};
 738
 739static const struct regulator_desc rk805_reg[] = {
 740	{
 741		.name = "DCDC_REG1",
 742		.supply_name = "vcc1",
 743		.of_match = of_match_ptr("DCDC_REG1"),
 744		.regulators_node = of_match_ptr("regulators"),
 745		.id = RK805_ID_DCDC1,
 746		.ops = &rk808_reg_ops_ranges,
 747		.type = REGULATOR_VOLTAGE,
 748		.n_voltages = 64,
 749		.linear_ranges = rk805_buck_1_2_voltage_ranges,
 750		.n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
 751		.vsel_reg = RK805_BUCK1_ON_VSEL_REG,
 752		.vsel_mask = RK818_BUCK_VSEL_MASK,
 753		.enable_reg = RK805_DCDC_EN_REG,
 754		.enable_mask = BIT(0),
 755		.owner = THIS_MODULE,
 756	}, {
 757		.name = "DCDC_REG2",
 758		.supply_name = "vcc2",
 759		.of_match = of_match_ptr("DCDC_REG2"),
 760		.regulators_node = of_match_ptr("regulators"),
 761		.id = RK805_ID_DCDC2,
 762		.ops = &rk808_reg_ops_ranges,
 763		.type = REGULATOR_VOLTAGE,
 764		.n_voltages = 64,
 765		.linear_ranges = rk805_buck_1_2_voltage_ranges,
 766		.n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
 767		.vsel_reg = RK805_BUCK2_ON_VSEL_REG,
 768		.vsel_mask = RK818_BUCK_VSEL_MASK,
 769		.enable_reg = RK805_DCDC_EN_REG,
 770		.enable_mask = BIT(1),
 771		.owner = THIS_MODULE,
 772	}, {
 773		.name = "DCDC_REG3",
 774		.supply_name = "vcc3",
 775		.of_match = of_match_ptr("DCDC_REG3"),
 776		.regulators_node = of_match_ptr("regulators"),
 777		.id = RK805_ID_DCDC3,
 778		.ops = &rk805_switch_ops,
 779		.type = REGULATOR_VOLTAGE,
 780		.n_voltages = 1,
 781		.enable_reg = RK805_DCDC_EN_REG,
 782		.enable_mask = BIT(2),
 783		.owner = THIS_MODULE,
 784	},
 785
 786	RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
 787		RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
 788		RK805_DCDC_EN_REG, BIT(3), 0),
 789
 790	RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
 791		RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
 792		BIT(0), 400),
 793	RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
 794		RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
 795		BIT(1), 400),
 796	RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
 797		RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
 798		BIT(2), 400),
 799};
 800
 801static const struct regulator_desc rk808_reg[] = {
 802	{
 803		.name = "DCDC_REG1",
 804		.supply_name = "vcc1",
 805		.of_match = of_match_ptr("DCDC_REG1"),
 806		.regulators_node = of_match_ptr("regulators"),
 807		.id = RK808_ID_DCDC1,
 808		.ops = &rk808_buck1_2_ops,
 809		.type = REGULATOR_VOLTAGE,
 810		.min_uV = 712500,
 811		.uV_step = 12500,
 812		.n_voltages = 64,
 813		.vsel_reg = RK808_BUCK1_ON_VSEL_REG,
 814		.vsel_mask = RK808_BUCK_VSEL_MASK,
 815		.enable_reg = RK808_DCDC_EN_REG,
 816		.enable_mask = BIT(0),
 817		.owner = THIS_MODULE,
 818	}, {
 819		.name = "DCDC_REG2",
 820		.supply_name = "vcc2",
 821		.of_match = of_match_ptr("DCDC_REG2"),
 822		.regulators_node = of_match_ptr("regulators"),
 823		.id = RK808_ID_DCDC2,
 824		.ops = &rk808_buck1_2_ops,
 825		.type = REGULATOR_VOLTAGE,
 826		.min_uV = 712500,
 827		.uV_step = 12500,
 828		.n_voltages = 64,
 829		.vsel_reg = RK808_BUCK2_ON_VSEL_REG,
 830		.vsel_mask = RK808_BUCK_VSEL_MASK,
 831		.enable_reg = RK808_DCDC_EN_REG,
 832		.enable_mask = BIT(1),
 833		.owner = THIS_MODULE,
 834	}, {
 835		.name = "DCDC_REG3",
 836		.supply_name = "vcc3",
 837		.of_match = of_match_ptr("DCDC_REG3"),
 838		.regulators_node = of_match_ptr("regulators"),
 839		.id = RK808_ID_DCDC3,
 840		.ops = &rk808_switch_ops,
 841		.type = REGULATOR_VOLTAGE,
 842		.n_voltages = 1,
 843		.enable_reg = RK808_DCDC_EN_REG,
 844		.enable_mask = BIT(2),
 845		.owner = THIS_MODULE,
 846	},
 847	RK8XX_DESC(RK808_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3300, 100,
 848		RK808_BUCK4_ON_VSEL_REG, RK808_BUCK4_VSEL_MASK,
 849		RK808_DCDC_EN_REG, BIT(3), 0),
 850	RK8XX_DESC(RK808_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
 851		RK808_LDO1_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 852		BIT(0), 400),
 853	RK8XX_DESC(RK808_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
 854		RK808_LDO2_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 855		BIT(1), 400),
 856	{
 857		.name = "LDO_REG3",
 858		.supply_name = "vcc7",
 859		.of_match = of_match_ptr("LDO_REG3"),
 860		.regulators_node = of_match_ptr("regulators"),
 861		.id = RK808_ID_LDO3,
 862		.ops = &rk808_reg_ops_ranges,
 863		.type = REGULATOR_VOLTAGE,
 864		.n_voltages = 16,
 865		.linear_ranges = rk808_ldo3_voltage_ranges,
 866		.n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
 867		.vsel_reg = RK808_LDO3_ON_VSEL_REG,
 868		.vsel_mask = RK808_BUCK4_VSEL_MASK,
 869		.enable_reg = RK808_LDO_EN_REG,
 870		.enable_mask = BIT(2),
 871		.enable_time = 400,
 872		.owner = THIS_MODULE,
 873	},
 874	RK8XX_DESC(RK808_ID_LDO4, "LDO_REG4", "vcc9", 1800, 3400, 100,
 875		RK808_LDO4_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 876		BIT(3), 400),
 877	RK8XX_DESC(RK808_ID_LDO5, "LDO_REG5", "vcc9", 1800, 3400, 100,
 878		RK808_LDO5_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 879		BIT(4), 400),
 880	RK8XX_DESC(RK808_ID_LDO6, "LDO_REG6", "vcc10", 800, 2500, 100,
 881		RK808_LDO6_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 882		BIT(5), 400),
 883	RK8XX_DESC(RK808_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
 884		RK808_LDO7_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 885		BIT(6), 400),
 886	RK8XX_DESC(RK808_ID_LDO8, "LDO_REG8", "vcc11", 1800, 3400, 100,
 887		RK808_LDO8_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
 888		BIT(7), 400),
 889	RK8XX_DESC_SWITCH(RK808_ID_SWITCH1, "SWITCH_REG1", "vcc8",
 890		RK808_DCDC_EN_REG, BIT(5)),
 891	RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
 892		RK808_DCDC_EN_REG, BIT(6)),
 893};
 894
 895static const struct regulator_desc rk809_reg[] = {
 896	{
 897		.name = "DCDC_REG1",
 898		.supply_name = "vcc1",
 899		.of_match = of_match_ptr("DCDC_REG1"),
 900		.regulators_node = of_match_ptr("regulators"),
 901		.id = RK817_ID_DCDC1,
 902		.ops = &rk817_buck_ops_range,
 903		.type = REGULATOR_VOLTAGE,
 904		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
 905		.linear_ranges = rk817_buck1_voltage_ranges,
 906		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
 907		.vsel_reg = RK817_BUCK1_ON_VSEL_REG,
 908		.vsel_mask = RK817_BUCK_VSEL_MASK,
 909		.enable_reg = RK817_POWER_EN_REG(0),
 910		.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
 911		.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
 912		.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
 913		.of_map_mode = rk8xx_regulator_of_map_mode,
 914		.owner = THIS_MODULE,
 915	}, {
 916		.name = "DCDC_REG2",
 917		.supply_name = "vcc2",
 918		.of_match = of_match_ptr("DCDC_REG2"),
 919		.regulators_node = of_match_ptr("regulators"),
 920		.id = RK817_ID_DCDC2,
 921		.ops = &rk817_buck_ops_range,
 922		.type = REGULATOR_VOLTAGE,
 923		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
 924		.linear_ranges = rk817_buck1_voltage_ranges,
 925		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
 926		.vsel_reg = RK817_BUCK2_ON_VSEL_REG,
 927		.vsel_mask = RK817_BUCK_VSEL_MASK,
 928		.enable_reg = RK817_POWER_EN_REG(0),
 929		.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
 930		.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
 931		.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
 932		.of_map_mode = rk8xx_regulator_of_map_mode,
 933		.owner = THIS_MODULE,
 934	}, {
 935		.name = "DCDC_REG3",
 936		.supply_name = "vcc3",
 937		.of_match = of_match_ptr("DCDC_REG3"),
 938		.regulators_node = of_match_ptr("regulators"),
 939		.id = RK817_ID_DCDC3,
 940		.ops = &rk817_buck_ops_range,
 941		.type = REGULATOR_VOLTAGE,
 942		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
 943		.linear_ranges = rk817_buck1_voltage_ranges,
 944		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
 945		.vsel_reg = RK817_BUCK3_ON_VSEL_REG,
 946		.vsel_mask = RK817_BUCK_VSEL_MASK,
 947		.enable_reg = RK817_POWER_EN_REG(0),
 948		.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
 949		.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
 950		.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
 951		.of_map_mode = rk8xx_regulator_of_map_mode,
 952		.owner = THIS_MODULE,
 953	}, {
 954		.name = "DCDC_REG4",
 955		.supply_name = "vcc4",
 956		.of_match = of_match_ptr("DCDC_REG4"),
 957		.regulators_node = of_match_ptr("regulators"),
 958		.id = RK817_ID_DCDC4,
 959		.ops = &rk817_buck_ops_range,
 960		.type = REGULATOR_VOLTAGE,
 961		.n_voltages = RK817_BUCK3_SEL_CNT + 1,
 962		.linear_ranges = rk817_buck3_voltage_ranges,
 963		.n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
 964		.vsel_reg = RK817_BUCK4_ON_VSEL_REG,
 965		.vsel_mask = RK817_BUCK_VSEL_MASK,
 966		.enable_reg = RK817_POWER_EN_REG(0),
 967		.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
 968		.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
 969		.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
 970		.of_map_mode = rk8xx_regulator_of_map_mode,
 971		.owner = THIS_MODULE,
 972	},
 973	{
 974		.name = "DCDC_REG5",
 975		.supply_name = "vcc9",
 976		.of_match = of_match_ptr("DCDC_REG5"),
 977		.regulators_node = of_match_ptr("regulators"),
 978		.id = RK809_ID_DCDC5,
 979		.ops = &rk809_buck5_ops_range,
 980		.type = REGULATOR_VOLTAGE,
 981		.n_voltages = RK809_BUCK5_SEL_CNT,
 982		.linear_ranges = rk809_buck5_voltage_ranges,
 983		.n_linear_ranges = ARRAY_SIZE(rk809_buck5_voltage_ranges),
 984		.vsel_reg = RK809_BUCK5_CONFIG(0),
 985		.vsel_mask = RK809_BUCK5_VSEL_MASK,
 986		.enable_reg = RK817_POWER_EN_REG(3),
 987		.enable_mask = ENABLE_MASK(1),
 988		.enable_val = ENABLE_MASK(1),
 989		.disable_val = DISABLE_VAL(1),
 990		.of_map_mode = rk8xx_regulator_of_map_mode,
 991		.owner = THIS_MODULE,
 992	},
 993	RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
 994		   RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
 995		   RK817_POWER_EN_REG(1), ENABLE_MASK(0),
 996		   DISABLE_VAL(0), 400),
 997	RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
 998		   RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
 999		   RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1000		   DISABLE_VAL(1), 400),
1001	RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1002		   RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1003		   RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1004		   DISABLE_VAL(2), 400),
1005	RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1006		   RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1007		   RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1008		   DISABLE_VAL(3), 400),
1009	RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1010		   RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1011		   RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1012		   DISABLE_VAL(0), 400),
1013	RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1014		   RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1015		   RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1016		   DISABLE_VAL(1), 400),
1017	RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1018		   RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1019		   RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1020		   DISABLE_VAL(2), 400),
1021	RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1022		   RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1023		   RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1024		   DISABLE_VAL(3), 400),
1025	RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1026		   RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1027		   RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1028		   DISABLE_VAL(0), 400),
1029	RK817_DESC_SWITCH(RK809_ID_SW1, "SWITCH_REG1", "vcc9",
1030			  RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1031			  DISABLE_VAL(2)),
1032	RK817_DESC_SWITCH(RK809_ID_SW2, "SWITCH_REG2", "vcc8",
1033			  RK817_POWER_EN_REG(3), ENABLE_MASK(3),
1034			  DISABLE_VAL(3)),
1035};
1036
1037static const struct regulator_desc rk817_reg[] = {
1038	{
1039		.name = "DCDC_REG1",
1040		.supply_name = "vcc1",
1041		.of_match = of_match_ptr("DCDC_REG1"),
1042		.regulators_node = of_match_ptr("regulators"),
1043		.id = RK817_ID_DCDC1,
1044		.ops = &rk817_buck_ops_range,
1045		.type = REGULATOR_VOLTAGE,
1046		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
1047		.linear_ranges = rk817_buck1_voltage_ranges,
1048		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1049		.vsel_reg = RK817_BUCK1_ON_VSEL_REG,
1050		.vsel_mask = RK817_BUCK_VSEL_MASK,
1051		.enable_reg = RK817_POWER_EN_REG(0),
1052		.enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
1053		.enable_val = ENABLE_MASK(RK817_ID_DCDC1),
1054		.disable_val = DISABLE_VAL(RK817_ID_DCDC1),
1055		.of_map_mode = rk8xx_regulator_of_map_mode,
1056		.owner = THIS_MODULE,
1057	}, {
1058		.name = "DCDC_REG2",
1059		.supply_name = "vcc2",
1060		.of_match = of_match_ptr("DCDC_REG2"),
1061		.regulators_node = of_match_ptr("regulators"),
1062		.id = RK817_ID_DCDC2,
1063		.ops = &rk817_buck_ops_range,
1064		.type = REGULATOR_VOLTAGE,
1065		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
1066		.linear_ranges = rk817_buck1_voltage_ranges,
1067		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1068		.vsel_reg = RK817_BUCK2_ON_VSEL_REG,
1069		.vsel_mask = RK817_BUCK_VSEL_MASK,
1070		.enable_reg = RK817_POWER_EN_REG(0),
1071		.enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
1072		.enable_val = ENABLE_MASK(RK817_ID_DCDC2),
1073		.disable_val = DISABLE_VAL(RK817_ID_DCDC2),
1074		.of_map_mode = rk8xx_regulator_of_map_mode,
1075		.owner = THIS_MODULE,
1076	}, {
1077		.name = "DCDC_REG3",
1078		.supply_name = "vcc3",
1079		.of_match = of_match_ptr("DCDC_REG3"),
1080		.regulators_node = of_match_ptr("regulators"),
1081		.id = RK817_ID_DCDC3,
1082		.ops = &rk817_buck_ops_range,
1083		.type = REGULATOR_VOLTAGE,
1084		.n_voltages = RK817_BUCK1_SEL_CNT + 1,
1085		.linear_ranges = rk817_buck1_voltage_ranges,
1086		.n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1087		.vsel_reg = RK817_BUCK3_ON_VSEL_REG,
1088		.vsel_mask = RK817_BUCK_VSEL_MASK,
1089		.enable_reg = RK817_POWER_EN_REG(0),
1090		.enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
1091		.enable_val = ENABLE_MASK(RK817_ID_DCDC3),
1092		.disable_val = DISABLE_VAL(RK817_ID_DCDC3),
1093		.of_map_mode = rk8xx_regulator_of_map_mode,
1094		.owner = THIS_MODULE,
1095	}, {
1096		.name = "DCDC_REG4",
1097		.supply_name = "vcc4",
1098		.of_match = of_match_ptr("DCDC_REG4"),
1099		.regulators_node = of_match_ptr("regulators"),
1100		.id = RK817_ID_DCDC4,
1101		.ops = &rk817_buck_ops_range,
1102		.type = REGULATOR_VOLTAGE,
1103		.n_voltages = RK817_BUCK3_SEL_CNT + 1,
1104		.linear_ranges = rk817_buck3_voltage_ranges,
1105		.n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
1106		.vsel_reg = RK817_BUCK4_ON_VSEL_REG,
1107		.vsel_mask = RK817_BUCK_VSEL_MASK,
1108		.enable_reg = RK817_POWER_EN_REG(0),
1109		.enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
1110		.enable_val = ENABLE_MASK(RK817_ID_DCDC4),
1111		.disable_val = DISABLE_VAL(RK817_ID_DCDC4),
1112		.of_map_mode = rk8xx_regulator_of_map_mode,
1113		.owner = THIS_MODULE,
1114	},
1115	RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
1116		   RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
1117		   RK817_POWER_EN_REG(1), ENABLE_MASK(0),
1118		   DISABLE_VAL(0), 400),
1119	RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
1120		   RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
1121		   RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1122		   DISABLE_VAL(1), 400),
1123	RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1124		   RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1125		   RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1126		   DISABLE_VAL(2), 400),
1127	RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1128		   RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1129		   RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1130		   DISABLE_VAL(3), 400),
1131	RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1132		   RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1133		   RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1134		   DISABLE_VAL(0), 400),
1135	RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1136		   RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1137		   RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1138		   DISABLE_VAL(1), 400),
1139	RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1140		   RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1141		   RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1142		   DISABLE_VAL(2), 400),
1143	RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1144		   RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1145		   RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1146		   DISABLE_VAL(3), 400),
1147	RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1148		   RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1149		   RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1150		   DISABLE_VAL(0), 400),
1151	RK817_BOOST_DESC(RK817_ID_BOOST, "BOOST", "vcc8", 4700, 5400, 100,
1152			 RK817_BOOST_OTG_CFG, RK817_BOOST_VSEL_MASK,
1153			 RK817_POWER_EN_REG(3), ENABLE_MASK(1), ENABLE_MASK(1),
1154		   DISABLE_VAL(1), 400, 3500 - 5400),
1155	RK817_DESC_SWITCH(RK817_ID_BOOST_OTG_SW, "OTG_SWITCH", "vcc9",
1156			  RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1157			  DISABLE_VAL(2)),
1158};
1159
1160static const struct regulator_desc rk818_reg[] = {
1161	{
1162		.name = "DCDC_REG1",
1163		.supply_name = "vcc1",
1164		.of_match = of_match_ptr("DCDC_REG1"),
1165		.regulators_node = of_match_ptr("regulators"),
1166		.id = RK818_ID_DCDC1,
1167		.ops = &rk808_reg_ops,
1168		.type = REGULATOR_VOLTAGE,
1169		.min_uV = 712500,
1170		.uV_step = 12500,
1171		.n_voltages = 64,
1172		.vsel_reg = RK818_BUCK1_ON_VSEL_REG,
1173		.vsel_mask = RK818_BUCK_VSEL_MASK,
1174		.enable_reg = RK818_DCDC_EN_REG,
1175		.enable_mask = BIT(0),
1176		.owner = THIS_MODULE,
1177	}, {
1178		.name = "DCDC_REG2",
1179		.supply_name = "vcc2",
1180		.of_match = of_match_ptr("DCDC_REG2"),
1181		.regulators_node = of_match_ptr("regulators"),
1182		.id = RK818_ID_DCDC2,
1183		.ops = &rk808_reg_ops,
1184		.type = REGULATOR_VOLTAGE,
1185		.min_uV = 712500,
1186		.uV_step = 12500,
1187		.n_voltages = 64,
1188		.vsel_reg = RK818_BUCK2_ON_VSEL_REG,
1189		.vsel_mask = RK818_BUCK_VSEL_MASK,
1190		.enable_reg = RK818_DCDC_EN_REG,
1191		.enable_mask = BIT(1),
1192		.owner = THIS_MODULE,
1193	}, {
1194		.name = "DCDC_REG3",
1195		.supply_name = "vcc3",
1196		.of_match = of_match_ptr("DCDC_REG3"),
1197		.regulators_node = of_match_ptr("regulators"),
1198		.id = RK818_ID_DCDC3,
1199		.ops = &rk808_switch_ops,
1200		.type = REGULATOR_VOLTAGE,
1201		.n_voltages = 1,
1202		.enable_reg = RK818_DCDC_EN_REG,
1203		.enable_mask = BIT(2),
1204		.owner = THIS_MODULE,
1205	},
1206	RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
1207		RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
1208		RK818_DCDC_EN_REG, BIT(3), 0),
1209	RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
1210		RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
1211		RK818_DCDC_EN_REG, BIT(4), 0),
1212	RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
1213		RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1214		BIT(0), 400),
1215	RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
1216		RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1217		BIT(1), 400),
1218	{
1219		.name = "LDO_REG3",
1220		.supply_name = "vcc7",
1221		.of_match = of_match_ptr("LDO_REG3"),
1222		.regulators_node = of_match_ptr("regulators"),
1223		.id = RK818_ID_LDO3,
1224		.ops = &rk808_reg_ops_ranges,
1225		.type = REGULATOR_VOLTAGE,
1226		.n_voltages = 16,
1227		.linear_ranges = rk808_ldo3_voltage_ranges,
1228		.n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
1229		.vsel_reg = RK818_LDO3_ON_VSEL_REG,
1230		.vsel_mask = RK818_LDO3_ON_VSEL_MASK,
1231		.enable_reg = RK818_LDO_EN_REG,
1232		.enable_mask = BIT(2),
1233		.enable_time = 400,
1234		.owner = THIS_MODULE,
1235	},
1236	RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
1237		RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1238		BIT(3), 400),
1239	RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
1240		RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1241		BIT(4), 400),
1242	RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
1243		RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1244		BIT(5), 400),
1245	RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
1246		RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1247		BIT(6), 400),
1248	RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
1249		RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1250		BIT(7), 400),
1251	RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
1252		RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
1253		RK818_DCDC_EN_REG, BIT(5), 400),
1254	RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
1255		RK818_DCDC_EN_REG, BIT(6)),
1256	RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
1257		RK818_H5V_EN_REG, BIT(0)),
1258	RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
1259		RK818_DCDC_EN_REG, BIT(7)),
1260};
1261
1262static int rk808_regulator_dt_parse_pdata(struct device *dev,
1263				   struct device *client_dev,
1264				   struct regmap *map,
1265				   struct rk808_regulator_data *pdata)
1266{
1267	struct device_node *np;
1268	int tmp, ret = 0, i;
1269
1270	np = of_get_child_by_name(client_dev->of_node, "regulators");
1271	if (!np)
1272		return -ENXIO;
1273
1274	for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
1275		pdata->dvs_gpio[i] =
1276			devm_gpiod_get_index_optional(client_dev, "dvs", i,
1277						      GPIOD_OUT_LOW);
1278		if (IS_ERR(pdata->dvs_gpio[i])) {
1279			ret = PTR_ERR(pdata->dvs_gpio[i]);
1280			dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
1281			goto dt_parse_end;
1282		}
1283
1284		if (!pdata->dvs_gpio[i]) {
1285			dev_info(dev, "there is no dvs%d gpio\n", i);
1286			continue;
1287		}
1288
1289		tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
1290		ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
1291				gpiod_is_active_low(pdata->dvs_gpio[i]) ?
1292				0 : tmp);
1293	}
1294
1295dt_parse_end:
1296	of_node_put(np);
1297	return ret;
1298}
1299
1300static int rk808_regulator_probe(struct platform_device *pdev)
1301{
1302	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
1303	struct i2c_client *client = rk808->i2c;
1304	struct regulator_config config = {};
1305	struct regulator_dev *rk808_rdev;
1306	struct rk808_regulator_data *pdata;
1307	const struct regulator_desc *regulators;
1308	int ret, i, nregulators;
1309
1310	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1311	if (!pdata)
1312		return -ENOMEM;
1313
1314	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
1315					     rk808->regmap, pdata);
1316	if (ret < 0)
1317		return ret;
1318
1319	platform_set_drvdata(pdev, pdata);
1320
1321	switch (rk808->variant) {
1322	case RK805_ID:
1323		regulators = rk805_reg;
1324		nregulators = RK805_NUM_REGULATORS;
1325		break;
1326	case RK808_ID:
1327		regulators = rk808_reg;
1328		nregulators = RK808_NUM_REGULATORS;
1329		break;
1330	case RK809_ID:
1331		regulators = rk809_reg;
1332		nregulators = RK809_NUM_REGULATORS;
1333		break;
1334	case RK817_ID:
1335		regulators = rk817_reg;
1336		nregulators = RK817_NUM_REGULATORS;
1337		break;
1338	case RK818_ID:
1339		regulators = rk818_reg;
1340		nregulators = RK818_NUM_REGULATORS;
1341		break;
1342	default:
1343		dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
1344			rk808->variant);
1345		return -EINVAL;
1346	}
1347
1348	config.dev = &client->dev;
1349	config.driver_data = pdata;
1350	config.regmap = rk808->regmap;
1351
1352	/* Instantiate the regulators */
1353	for (i = 0; i < nregulators; i++) {
1354		rk808_rdev = devm_regulator_register(&pdev->dev,
1355						     &regulators[i], &config);
1356		if (IS_ERR(rk808_rdev)) {
1357			dev_err(&client->dev,
1358				"failed to register %d regulator\n", i);
1359			return PTR_ERR(rk808_rdev);
1360		}
1361	}
1362
1363	return 0;
1364}
1365
1366static struct platform_driver rk808_regulator_driver = {
1367	.probe = rk808_regulator_probe,
1368	.driver = {
1369		.name = "rk808-regulator"
1370	},
1371};
1372
1373module_platform_driver(rk808_regulator_driver);
1374
1375MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK818 series PMICs");
1376MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>");
1377MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
1378MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
1379MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
1380MODULE_LICENSE("GPL");
1381MODULE_ALIAS("platform:rk808-regulator");