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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 * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
7 *
8 * Author: Chris Zhong <zyw@rock-chips.com>
9 * Author: Zhang Qing <zhangqing@rock-chips.com>
10 * Author: Xu Shengfei <xsf@rock-chips.com>
11 *
12 * Copyright (C) 2016 PHYTEC Messtechnik GmbH
13 *
14 * Author: Wadim Egorov <w.egorov@phytec.de>
15 */
16
17#include <linux/delay.h>
18#include <linux/module.h>
19#include <linux/of.h>
20#include <linux/mfd/rk808.h>
21#include <linux/platform_device.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#define RK806_DCDC_SLP_REG_OFFSET 0x0A
44#define RK806_NLDO_SLP_REG_OFFSET 0x05
45#define RK806_PLDO_SLP_REG_OFFSET 0x06
46
47#define RK806_BUCK_SEL_CNT 0xff
48#define RK806_LDO_SEL_CNT 0xff
49
50/* Ramp rate definitions for buck1 / buck2 only */
51#define RK808_RAMP_RATE_OFFSET 3
52#define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET)
53#define RK808_RAMP_RATE_2MV_PER_US (0 << RK808_RAMP_RATE_OFFSET)
54#define RK808_RAMP_RATE_4MV_PER_US (1 << RK808_RAMP_RATE_OFFSET)
55#define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET)
56#define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET)
57
58#define RK808_DVS2_POL BIT(2)
59#define RK808_DVS1_POL BIT(1)
60
61/* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */
62#define RK808_SLP_REG_OFFSET 1
63
64/* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */
65#define RK808_DVS_REG_OFFSET 2
66
67/* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */
68#define RK808_SLP_SET_OFF_REG_OFFSET 2
69
70/* max steps for increase voltage of Buck1/2, equal 100mv*/
71#define MAX_STEPS_ONE_TIME 8
72
73#define ENABLE_MASK(id) (BIT(id) | BIT(4 + (id)))
74#define DISABLE_VAL(id) (BIT(4 + (id)))
75
76#define RK817_BOOST_DESC(_id, _match, _supply, _min, _max, _step, _vreg,\
77 _vmask, _ereg, _emask, _enval, _disval, _etime, m_drop) \
78 { \
79 .name = (_match), \
80 .supply_name = (_supply), \
81 .of_match = of_match_ptr(_match), \
82 .regulators_node = of_match_ptr("regulators"), \
83 .type = REGULATOR_VOLTAGE, \
84 .id = (_id), \
85 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
86 .owner = THIS_MODULE, \
87 .min_uV = (_min) * 1000, \
88 .uV_step = (_step) * 1000, \
89 .vsel_reg = (_vreg), \
90 .vsel_mask = (_vmask), \
91 .enable_reg = (_ereg), \
92 .enable_mask = (_emask), \
93 .enable_val = (_enval), \
94 .disable_val = (_disval), \
95 .enable_time = (_etime), \
96 .min_dropout_uV = (m_drop) * 1000, \
97 .ops = &rk817_boost_ops, \
98 }
99
100#define RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
101 _vmask, _ereg, _emask, _enval, _disval, _etime, _ops) \
102 { \
103 .name = (_match), \
104 .supply_name = (_supply), \
105 .of_match = of_match_ptr(_match), \
106 .regulators_node = of_match_ptr("regulators"), \
107 .type = REGULATOR_VOLTAGE, \
108 .id = (_id), \
109 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
110 .owner = THIS_MODULE, \
111 .min_uV = (_min) * 1000, \
112 .uV_step = (_step) * 1000, \
113 .vsel_reg = (_vreg), \
114 .vsel_mask = (_vmask), \
115 .enable_reg = (_ereg), \
116 .enable_mask = (_emask), \
117 .enable_val = (_enval), \
118 .disable_val = (_disval), \
119 .enable_time = (_etime), \
120 .ops = _ops, \
121 }
122
123#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
124 _vmask, _ereg, _emask, _etime) \
125 RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
126 _vmask, _ereg, _emask, 0, 0, _etime, &rk805_reg_ops)
127
128#define RK806_REGULATOR(_name, _supply_name, _id, _ops,\
129 _n_voltages, _vr, _er, _lr, ctrl_bit,\
130 _rr, _rm, _rt)\
131[_id] = {\
132 .name = _name,\
133 .supply_name = _supply_name,\
134 .of_match = of_match_ptr(_name),\
135 .regulators_node = of_match_ptr("regulators"),\
136 .id = _id,\
137 .ops = &_ops,\
138 .type = REGULATOR_VOLTAGE,\
139 .n_voltages = _n_voltages,\
140 .linear_ranges = _lr,\
141 .n_linear_ranges = ARRAY_SIZE(_lr),\
142 .vsel_reg = _vr,\
143 .vsel_mask = 0xff,\
144 .enable_reg = _er,\
145 .enable_mask = ENABLE_MASK(ctrl_bit),\
146 .enable_val = ENABLE_MASK(ctrl_bit),\
147 .disable_val = DISABLE_VAL(ctrl_bit),\
148 .of_map_mode = rk8xx_regulator_of_map_mode,\
149 .ramp_reg = _rr,\
150 .ramp_mask = _rm,\
151 .ramp_delay_table = _rt, \
152 .n_ramp_values = ARRAY_SIZE(_rt), \
153 .owner = THIS_MODULE,\
154 }
155
156#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
157 _vmask, _ereg, _emask, _etime) \
158 RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
159 _vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)
160
161#define RK817_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
162 _vmask, _ereg, _emask, _disval, _etime) \
163 RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
164 _vmask, _ereg, _emask, _emask, _disval, _etime, &rk817_reg_ops)
165
166#define RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
167 _enval, _disval, _ops) \
168 { \
169 .name = (_match), \
170 .supply_name = (_supply), \
171 .of_match = of_match_ptr(_match), \
172 .regulators_node = of_match_ptr("regulators"), \
173 .type = REGULATOR_VOLTAGE, \
174 .id = (_id), \
175 .enable_reg = (_ereg), \
176 .enable_mask = (_emask), \
177 .enable_val = (_enval), \
178 .disable_val = (_disval), \
179 .owner = THIS_MODULE, \
180 .ops = _ops \
181 }
182
183#define RK817_DESC_SWITCH(_id, _match, _supply, _ereg, _emask, \
184 _disval) \
185 RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
186 _emask, _disval, &rk817_switch_ops)
187
188#define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask) \
189 RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
190 0, 0, &rk808_switch_ops)
191
192struct rk8xx_register_bit {
193 u8 reg;
194 u8 bit;
195};
196
197#define RK8XX_REG_BIT(_reg, _bit) \
198 { \
199 .reg = _reg, \
200 .bit = BIT(_bit), \
201 }
202
203struct rk808_regulator_data {
204 struct gpio_desc *dvs_gpio[2];
205};
206
207static const struct linear_range rk808_ldo3_voltage_ranges[] = {
208 REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
209 REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
210};
211
212#define RK809_BUCK5_SEL_CNT (8)
213
214static const struct linear_range rk809_buck5_voltage_ranges[] = {
215 REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
216 REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
217 REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
218 REGULATOR_LINEAR_RANGE(3300000, 6, 7, 300000),
219};
220
221#define RK817_BUCK1_MIN0 500000
222#define RK817_BUCK1_MAX0 1500000
223
224#define RK817_BUCK1_MIN1 1600000
225#define RK817_BUCK1_MAX1 2400000
226
227#define RK817_BUCK3_MAX1 3400000
228
229#define RK817_BUCK1_STP0 12500
230#define RK817_BUCK1_STP1 100000
231
232#define RK817_BUCK1_SEL0 ((RK817_BUCK1_MAX0 - RK817_BUCK1_MIN0) /\
233 RK817_BUCK1_STP0)
234#define RK817_BUCK1_SEL1 ((RK817_BUCK1_MAX1 - RK817_BUCK1_MIN1) /\
235 RK817_BUCK1_STP1)
236
237#define RK817_BUCK3_SEL1 ((RK817_BUCK3_MAX1 - RK817_BUCK1_MIN1) /\
238 RK817_BUCK1_STP1)
239
240#define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
241#define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)
242
243static const struct linear_range rk817_buck1_voltage_ranges[] = {
244 REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
245 RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
246 REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
247 RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
248};
249
250static const struct linear_range rk817_buck3_voltage_ranges[] = {
251 REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
252 RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
253 REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
254 RK817_BUCK3_SEL_CNT, RK817_BUCK1_STP1),
255};
256
257static const unsigned int rk808_buck1_2_ramp_table[] = {
258 2000, 4000, 6000, 10000
259};
260
261/* RK817 RK809 */
262static const unsigned int rk817_buck1_4_ramp_table[] = {
263 3000, 6300, 12500, 25000
264};
265
266static int rk806_set_mode_dcdc(struct regulator_dev *rdev, unsigned int mode)
267{
268 int rid = rdev_get_id(rdev);
269 int ctr_bit, reg;
270
271 reg = RK806_POWER_FPWM_EN0 + rid / 8;
272 ctr_bit = rid % 8;
273
274 switch (mode) {
275 case REGULATOR_MODE_FAST:
276 return regmap_update_bits(rdev->regmap, reg,
277 PWM_MODE_MSK << ctr_bit,
278 FPWM_MODE << ctr_bit);
279 case REGULATOR_MODE_NORMAL:
280 return regmap_update_bits(rdev->regmap, reg,
281 PWM_MODE_MSK << ctr_bit,
282 AUTO_PWM_MODE << ctr_bit);
283 default:
284 dev_err(rdev_get_dev(rdev), "mode unsupported: %u\n", mode);
285 return -EINVAL;
286 }
287
288 return 0;
289}
290
291static unsigned int rk806_get_mode_dcdc(struct regulator_dev *rdev)
292{
293 int rid = rdev_get_id(rdev);
294 int ctr_bit, reg;
295 unsigned int val;
296 int err;
297
298 reg = RK806_POWER_FPWM_EN0 + rid / 8;
299 ctr_bit = rid % 8;
300
301 err = regmap_read(rdev->regmap, reg, &val);
302 if (err)
303 return err;
304
305 if ((val >> ctr_bit) & FPWM_MODE)
306 return REGULATOR_MODE_FAST;
307 else
308 return REGULATOR_MODE_NORMAL;
309}
310
311static const struct rk8xx_register_bit rk806_dcdc_rate2[] = {
312 RK8XX_REG_BIT(0xEB, 0),
313 RK8XX_REG_BIT(0xEB, 1),
314 RK8XX_REG_BIT(0xEB, 2),
315 RK8XX_REG_BIT(0xEB, 3),
316 RK8XX_REG_BIT(0xEB, 4),
317 RK8XX_REG_BIT(0xEB, 5),
318 RK8XX_REG_BIT(0xEB, 6),
319 RK8XX_REG_BIT(0xEB, 7),
320 RK8XX_REG_BIT(0xEA, 0),
321 RK8XX_REG_BIT(0xEA, 1),
322};
323
324static const unsigned int rk806_ramp_delay_table_dcdc[] = {
325 50000, 25000, 12500, 6250, 3125, 1560, 961, 390
326};
327
328static int rk806_set_ramp_delay_dcdc(struct regulator_dev *rdev, int ramp_delay)
329{
330 int rid = rdev_get_id(rdev);
331 int regval, ramp_value, ret;
332
333 ret = regulator_find_closest_bigger(ramp_delay, rdev->desc->ramp_delay_table,
334 rdev->desc->n_ramp_values, &ramp_value);
335 if (ret) {
336 dev_warn(rdev_get_dev(rdev),
337 "Can't set ramp-delay %u, setting %u\n", ramp_delay,
338 rdev->desc->ramp_delay_table[ramp_value]);
339 }
340
341 regval = ramp_value << (ffs(rdev->desc->ramp_mask) - 1);
342
343 ret = regmap_update_bits(rdev->regmap, rdev->desc->ramp_reg,
344 rdev->desc->ramp_mask, regval);
345 if (ret)
346 return ret;
347
348 /*
349 * The above is effectively a copy of regulator_set_ramp_delay_regmap(),
350 * but that only stores the lower 2 bits for rk806 DCDC ramp. The MSB must
351 * be stored in a separate register, so this open codes the implementation
352 * to have access to the ramp_value.
353 */
354
355 regval = (ramp_value >> 2) & 0x1 ? rk806_dcdc_rate2[rid].bit : 0;
356 return regmap_update_bits(rdev->regmap, rk806_dcdc_rate2[rid].reg,
357 rk806_dcdc_rate2[rid].bit,
358 regval);
359}
360
361static const unsigned int rk806_ramp_delay_table_ldo[] = {
362 100000, 50000, 25000, 12500, 6280, 3120, 1900, 780
363};
364
365static int rk806_set_suspend_voltage_range(struct regulator_dev *rdev, int reg_offset, int uv)
366{
367 int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
368 unsigned int reg;
369
370 if (sel < 0)
371 return -EINVAL;
372
373 reg = rdev->desc->vsel_reg + reg_offset;
374
375 return regmap_update_bits(rdev->regmap, reg, rdev->desc->vsel_mask, sel);
376}
377
378static int rk806_set_suspend_voltage_range_dcdc(struct regulator_dev *rdev, int uv)
379{
380 return rk806_set_suspend_voltage_range(rdev, RK806_DCDC_SLP_REG_OFFSET, uv);
381}
382
383static int rk806_set_suspend_voltage_range_nldo(struct regulator_dev *rdev, int uv)
384{
385 return rk806_set_suspend_voltage_range(rdev, RK806_NLDO_SLP_REG_OFFSET, uv);
386}
387
388static int rk806_set_suspend_voltage_range_pldo(struct regulator_dev *rdev, int uv)
389{
390 return rk806_set_suspend_voltage_range(rdev, RK806_PLDO_SLP_REG_OFFSET, uv);
391}
392
393static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
394{
395 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
396 int id = rdev_get_id(rdev);
397 struct gpio_desc *gpio = pdata->dvs_gpio[id];
398 unsigned int val;
399 int ret;
400
401 if (!gpio || gpiod_get_value(gpio) == 0)
402 return regulator_get_voltage_sel_regmap(rdev);
403
404 ret = regmap_read(rdev->regmap,
405 rdev->desc->vsel_reg + RK808_DVS_REG_OFFSET,
406 &val);
407 if (ret != 0)
408 return ret;
409
410 val &= rdev->desc->vsel_mask;
411 val >>= ffs(rdev->desc->vsel_mask) - 1;
412
413 return val;
414}
415
416static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev,
417 unsigned sel)
418{
419 int ret, delta_sel;
420 unsigned int old_sel, tmp, val, mask = rdev->desc->vsel_mask;
421
422 ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
423 if (ret != 0)
424 return ret;
425
426 tmp = val & ~mask;
427 old_sel = val & mask;
428 old_sel >>= ffs(mask) - 1;
429 delta_sel = sel - old_sel;
430
431 /*
432 * If directly modify the register to change the voltage, we will face
433 * the risk of overshoot. Put it into a multi-step, can effectively
434 * avoid this problem, a step is 100mv here.
435 */
436 while (delta_sel > MAX_STEPS_ONE_TIME) {
437 old_sel += MAX_STEPS_ONE_TIME;
438 val = old_sel << (ffs(mask) - 1);
439 val |= tmp;
440
441 /*
442 * i2c is 400kHz (2.5us per bit) and we must transmit _at least_
443 * 3 bytes (24 bits) plus start and stop so 26 bits. So we've
444 * got more than 65 us between each voltage change and thus
445 * won't ramp faster than ~1500 uV / us.
446 */
447 ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
448 delta_sel = sel - old_sel;
449 }
450
451 sel <<= ffs(mask) - 1;
452 val = tmp | sel;
453 ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
454
455 /*
456 * When we change the voltage register directly, the ramp rate is about
457 * 100000uv/us, wait 1us to make sure the target voltage to be stable,
458 * so we needn't wait extra time after that.
459 */
460 udelay(1);
461
462 return ret;
463}
464
465static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
466 unsigned sel)
467{
468 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
469 int id = rdev_get_id(rdev);
470 struct gpio_desc *gpio = pdata->dvs_gpio[id];
471 unsigned int reg = rdev->desc->vsel_reg;
472 unsigned old_sel;
473 int ret, gpio_level;
474
475 if (!gpio)
476 return rk808_buck1_2_i2c_set_voltage_sel(rdev, sel);
477
478 gpio_level = gpiod_get_value(gpio);
479 if (gpio_level == 0) {
480 reg += RK808_DVS_REG_OFFSET;
481 ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &old_sel);
482 } else {
483 ret = regmap_read(rdev->regmap,
484 reg + RK808_DVS_REG_OFFSET,
485 &old_sel);
486 }
487
488 if (ret != 0)
489 return ret;
490
491 sel <<= ffs(rdev->desc->vsel_mask) - 1;
492 sel |= old_sel & ~rdev->desc->vsel_mask;
493
494 ret = regmap_write(rdev->regmap, reg, sel);
495 if (ret)
496 return ret;
497
498 gpiod_set_value(gpio, !gpio_level);
499
500 return ret;
501}
502
503static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
504 unsigned int old_selector,
505 unsigned int new_selector)
506{
507 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
508 int id = rdev_get_id(rdev);
509 struct gpio_desc *gpio = pdata->dvs_gpio[id];
510
511 /* if there is no dvs1/2 pin, we don't need wait extra time here. */
512 if (!gpio)
513 return 0;
514
515 return regulator_set_voltage_time_sel(rdev, old_selector, new_selector);
516}
517
518static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv)
519{
520 unsigned int reg;
521 int sel = regulator_map_voltage_linear(rdev, uv, uv);
522
523 if (sel < 0)
524 return -EINVAL;
525
526 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
527
528 return regmap_update_bits(rdev->regmap, reg,
529 rdev->desc->vsel_mask,
530 sel);
531}
532
533static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
534{
535 unsigned int reg;
536 int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
537
538 if (sel < 0)
539 return -EINVAL;
540
541 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
542
543 return regmap_update_bits(rdev->regmap, reg,
544 rdev->desc->vsel_mask,
545 sel);
546}
547
548static int rk805_set_suspend_enable(struct regulator_dev *rdev)
549{
550 unsigned int reg;
551
552 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
553
554 return regmap_update_bits(rdev->regmap, reg,
555 rdev->desc->enable_mask,
556 rdev->desc->enable_mask);
557}
558
559static int rk805_set_suspend_disable(struct regulator_dev *rdev)
560{
561 unsigned int reg;
562
563 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
564
565 return regmap_update_bits(rdev->regmap, reg,
566 rdev->desc->enable_mask,
567 0);
568}
569
570static const struct rk8xx_register_bit rk806_suspend_bits[] = {
571 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 0),
572 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 1),
573 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 2),
574 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 3),
575 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 4),
576 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 5),
577 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 6),
578 RK8XX_REG_BIT(RK806_POWER_SLP_EN0, 7),
579 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 6),
580 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 7),
581 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 0),
582 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 1),
583 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 2),
584 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 3),
585 RK8XX_REG_BIT(RK806_POWER_SLP_EN1, 4),
586 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 1),
587 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 2),
588 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 3),
589 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 4),
590 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 5),
591 RK8XX_REG_BIT(RK806_POWER_SLP_EN2, 0),
592};
593
594static int rk806_set_suspend_enable(struct regulator_dev *rdev)
595{
596 int rid = rdev_get_id(rdev);
597
598 return regmap_update_bits(rdev->regmap, rk806_suspend_bits[rid].reg,
599 rk806_suspend_bits[rid].bit,
600 rk806_suspend_bits[rid].bit);
601}
602
603static int rk806_set_suspend_disable(struct regulator_dev *rdev)
604{
605 int rid = rdev_get_id(rdev);
606
607 return regmap_update_bits(rdev->regmap, rk806_suspend_bits[rid].reg,
608 rk806_suspend_bits[rid].bit, 0);
609}
610
611static int rk808_set_suspend_enable(struct regulator_dev *rdev)
612{
613 unsigned int reg;
614
615 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
616
617 return regmap_update_bits(rdev->regmap, reg,
618 rdev->desc->enable_mask,
619 0);
620}
621
622static int rk808_set_suspend_disable(struct regulator_dev *rdev)
623{
624 unsigned int reg;
625
626 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
627
628 return regmap_update_bits(rdev->regmap, reg,
629 rdev->desc->enable_mask,
630 rdev->desc->enable_mask);
631}
632
633static int rk817_set_suspend_enable_ctrl(struct regulator_dev *rdev,
634 unsigned int en)
635{
636 unsigned int reg;
637 int id = rdev_get_id(rdev);
638 unsigned int id_slp, msk, val;
639
640 if (id >= RK817_ID_DCDC1 && id <= RK817_ID_DCDC4)
641 id_slp = id;
642 else if (id >= RK817_ID_LDO1 && id <= RK817_ID_LDO8)
643 id_slp = 8 + (id - RK817_ID_LDO1);
644 else if (id >= RK817_ID_LDO9 && id <= RK809_ID_SW2)
645 id_slp = 4 + (id - RK817_ID_LDO9);
646 else
647 return -EINVAL;
648
649 reg = RK817_POWER_SLP_EN_REG(id_slp / 8);
650
651 msk = BIT(id_slp % 8);
652 if (en)
653 val = msk;
654 else
655 val = 0;
656
657 return regmap_update_bits(rdev->regmap, reg, msk, val);
658}
659
660static int rk817_set_suspend_enable(struct regulator_dev *rdev)
661{
662 return rk817_set_suspend_enable_ctrl(rdev, 1);
663}
664
665static int rk817_set_suspend_disable(struct regulator_dev *rdev)
666{
667 return rk817_set_suspend_enable_ctrl(rdev, 0);
668}
669
670static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode)
671{
672 unsigned int reg;
673
674 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
675
676 switch (mode) {
677 case REGULATOR_MODE_FAST:
678 return regmap_update_bits(rdev->regmap, reg,
679 PWM_MODE_MSK, FPWM_MODE);
680 case REGULATOR_MODE_NORMAL:
681 return regmap_update_bits(rdev->regmap, reg,
682 PWM_MODE_MSK, AUTO_PWM_MODE);
683 default:
684 dev_err(&rdev->dev, "do not support this mode\n");
685 return -EINVAL;
686 }
687
688 return 0;
689}
690
691static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode)
692{
693 switch (mode) {
694 case REGULATOR_MODE_FAST:
695 return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
696 PWM_MODE_MSK, FPWM_MODE);
697 case REGULATOR_MODE_NORMAL:
698 return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
699 PWM_MODE_MSK, AUTO_PWM_MODE);
700 default:
701 dev_err(&rdev->dev, "do not support this mode\n");
702 return -EINVAL;
703 }
704
705 return 0;
706}
707
708static unsigned int rk8xx_get_mode(struct regulator_dev *rdev)
709{
710 unsigned int val;
711 int err;
712
713 err = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
714 if (err)
715 return err;
716
717 if (val & FPWM_MODE)
718 return REGULATOR_MODE_FAST;
719 else
720 return REGULATOR_MODE_NORMAL;
721}
722
723static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev)
724{
725 unsigned int val;
726 int ret;
727
728 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
729 if (ret != 0)
730 return ret;
731
732 /* add write mask bit */
733 val |= (rdev->desc->enable_mask & 0xf0);
734 val &= rdev->desc->enable_mask;
735
736 if (rdev->desc->enable_is_inverted) {
737 if (rdev->desc->enable_val)
738 return val != rdev->desc->enable_val;
739 return (val == 0);
740 }
741 if (rdev->desc->enable_val)
742 return val == rdev->desc->enable_val;
743 return val != 0;
744}
745
746static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode)
747{
748 switch (mode) {
749 case 1:
750 return REGULATOR_MODE_FAST;
751 case 2:
752 return REGULATOR_MODE_NORMAL;
753 default:
754 return REGULATOR_MODE_INVALID;
755 }
756}
757
758static const struct regulator_ops rk805_reg_ops = {
759 .list_voltage = regulator_list_voltage_linear,
760 .map_voltage = regulator_map_voltage_linear,
761 .get_voltage_sel = regulator_get_voltage_sel_regmap,
762 .set_voltage_sel = regulator_set_voltage_sel_regmap,
763 .enable = regulator_enable_regmap,
764 .disable = regulator_disable_regmap,
765 .is_enabled = regulator_is_enabled_regmap,
766 .set_suspend_voltage = rk808_set_suspend_voltage,
767 .set_suspend_enable = rk805_set_suspend_enable,
768 .set_suspend_disable = rk805_set_suspend_disable,
769};
770
771static const struct regulator_ops rk805_switch_ops = {
772 .enable = regulator_enable_regmap,
773 .disable = regulator_disable_regmap,
774 .is_enabled = regulator_is_enabled_regmap,
775 .set_suspend_enable = rk805_set_suspend_enable,
776 .set_suspend_disable = rk805_set_suspend_disable,
777};
778
779static const struct regulator_ops rk806_ops_dcdc = {
780 .list_voltage = regulator_list_voltage_linear_range,
781 .map_voltage = regulator_map_voltage_linear_range,
782 .get_voltage_sel = regulator_get_voltage_sel_regmap,
783 .set_voltage_sel = regulator_set_voltage_sel_regmap,
784 .set_voltage_time_sel = regulator_set_voltage_time_sel,
785 .set_mode = rk806_set_mode_dcdc,
786 .get_mode = rk806_get_mode_dcdc,
787
788 .enable = regulator_enable_regmap,
789 .disable = regulator_disable_regmap,
790 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
791
792 .set_suspend_mode = rk806_set_mode_dcdc,
793 .set_ramp_delay = rk806_set_ramp_delay_dcdc,
794
795 .set_suspend_voltage = rk806_set_suspend_voltage_range_dcdc,
796 .set_suspend_enable = rk806_set_suspend_enable,
797 .set_suspend_disable = rk806_set_suspend_disable,
798};
799
800static const struct regulator_ops rk806_ops_nldo = {
801 .list_voltage = regulator_list_voltage_linear_range,
802 .map_voltage = regulator_map_voltage_linear_range,
803 .get_voltage_sel = regulator_get_voltage_sel_regmap,
804 .set_voltage_sel = regulator_set_voltage_sel_regmap,
805 .set_voltage_time_sel = regulator_set_voltage_time_sel,
806
807 .enable = regulator_enable_regmap,
808 .disable = regulator_disable_regmap,
809 .is_enabled = regulator_is_enabled_regmap,
810
811 .set_ramp_delay = regulator_set_ramp_delay_regmap,
812
813 .set_suspend_voltage = rk806_set_suspend_voltage_range_nldo,
814 .set_suspend_enable = rk806_set_suspend_enable,
815 .set_suspend_disable = rk806_set_suspend_disable,
816};
817
818static const struct regulator_ops rk806_ops_pldo = {
819 .list_voltage = regulator_list_voltage_linear_range,
820 .map_voltage = regulator_map_voltage_linear_range,
821
822 .get_voltage_sel = regulator_get_voltage_sel_regmap,
823 .set_voltage_sel = regulator_set_voltage_sel_regmap,
824 .set_voltage_time_sel = regulator_set_voltage_time_sel,
825
826 .enable = regulator_enable_regmap,
827 .disable = regulator_disable_regmap,
828 .is_enabled = regulator_is_enabled_regmap,
829
830 .set_ramp_delay = regulator_set_ramp_delay_regmap,
831
832 .set_suspend_voltage = rk806_set_suspend_voltage_range_pldo,
833 .set_suspend_enable = rk806_set_suspend_enable,
834 .set_suspend_disable = rk806_set_suspend_disable,
835};
836
837static const struct regulator_ops rk808_buck1_2_ops = {
838 .list_voltage = regulator_list_voltage_linear,
839 .map_voltage = regulator_map_voltage_linear,
840 .get_voltage_sel = rk808_buck1_2_get_voltage_sel_regmap,
841 .set_voltage_sel = rk808_buck1_2_set_voltage_sel,
842 .set_voltage_time_sel = rk808_buck1_2_set_voltage_time_sel,
843 .enable = regulator_enable_regmap,
844 .disable = regulator_disable_regmap,
845 .is_enabled = regulator_is_enabled_regmap,
846 .set_ramp_delay = regulator_set_ramp_delay_regmap,
847 .set_suspend_voltage = rk808_set_suspend_voltage,
848 .set_suspend_enable = rk808_set_suspend_enable,
849 .set_suspend_disable = rk808_set_suspend_disable,
850};
851
852static const struct regulator_ops rk808_reg_ops = {
853 .list_voltage = regulator_list_voltage_linear,
854 .map_voltage = regulator_map_voltage_linear,
855 .get_voltage_sel = regulator_get_voltage_sel_regmap,
856 .set_voltage_sel = regulator_set_voltage_sel_regmap,
857 .enable = regulator_enable_regmap,
858 .disable = regulator_disable_regmap,
859 .is_enabled = regulator_is_enabled_regmap,
860 .set_suspend_voltage = rk808_set_suspend_voltage,
861 .set_suspend_enable = rk808_set_suspend_enable,
862 .set_suspend_disable = rk808_set_suspend_disable,
863};
864
865static const struct regulator_ops rk808_reg_ops_ranges = {
866 .list_voltage = regulator_list_voltage_linear_range,
867 .map_voltage = regulator_map_voltage_linear_range,
868 .get_voltage_sel = regulator_get_voltage_sel_regmap,
869 .set_voltage_sel = regulator_set_voltage_sel_regmap,
870 .enable = regulator_enable_regmap,
871 .disable = regulator_disable_regmap,
872 .is_enabled = regulator_is_enabled_regmap,
873 .set_suspend_voltage = rk808_set_suspend_voltage_range,
874 .set_suspend_enable = rk808_set_suspend_enable,
875 .set_suspend_disable = rk808_set_suspend_disable,
876};
877
878static const struct regulator_ops rk808_switch_ops = {
879 .enable = regulator_enable_regmap,
880 .disable = regulator_disable_regmap,
881 .is_enabled = regulator_is_enabled_regmap,
882 .set_suspend_enable = rk808_set_suspend_enable,
883 .set_suspend_disable = rk808_set_suspend_disable,
884};
885
886static const struct linear_range rk805_buck_1_2_voltage_ranges[] = {
887 REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
888 REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
889 REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
890};
891
892static const struct regulator_ops rk809_buck5_ops_range = {
893 .list_voltage = regulator_list_voltage_linear_range,
894 .map_voltage = regulator_map_voltage_linear_range,
895 .get_voltage_sel = regulator_get_voltage_sel_regmap,
896 .set_voltage_sel = regulator_set_voltage_sel_regmap,
897 .set_voltage_time_sel = regulator_set_voltage_time_sel,
898 .enable = regulator_enable_regmap,
899 .disable = regulator_disable_regmap,
900 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
901 .set_suspend_voltage = rk808_set_suspend_voltage_range,
902 .set_suspend_enable = rk817_set_suspend_enable,
903 .set_suspend_disable = rk817_set_suspend_disable,
904};
905
906static const struct regulator_ops rk817_reg_ops = {
907 .list_voltage = regulator_list_voltage_linear,
908 .map_voltage = regulator_map_voltage_linear,
909 .get_voltage_sel = regulator_get_voltage_sel_regmap,
910 .set_voltage_sel = regulator_set_voltage_sel_regmap,
911 .enable = regulator_enable_regmap,
912 .disable = regulator_disable_regmap,
913 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
914 .set_suspend_voltage = rk808_set_suspend_voltage,
915 .set_suspend_enable = rk817_set_suspend_enable,
916 .set_suspend_disable = rk817_set_suspend_disable,
917};
918
919static const struct regulator_ops rk817_boost_ops = {
920 .list_voltage = regulator_list_voltage_linear,
921 .map_voltage = regulator_map_voltage_linear,
922 .get_voltage_sel = regulator_get_voltage_sel_regmap,
923 .set_voltage_sel = regulator_set_voltage_sel_regmap,
924 .enable = regulator_enable_regmap,
925 .disable = regulator_disable_regmap,
926 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
927 .set_suspend_enable = rk817_set_suspend_enable,
928 .set_suspend_disable = rk817_set_suspend_disable,
929};
930
931static const struct regulator_ops rk817_buck_ops_range = {
932 .list_voltage = regulator_list_voltage_linear_range,
933 .map_voltage = regulator_map_voltage_linear_range,
934 .get_voltage_sel = regulator_get_voltage_sel_regmap,
935 .set_voltage_sel = regulator_set_voltage_sel_regmap,
936 .set_voltage_time_sel = regulator_set_voltage_time_sel,
937 .enable = regulator_enable_regmap,
938 .disable = regulator_disable_regmap,
939 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
940 .set_mode = rk8xx_set_mode,
941 .get_mode = rk8xx_get_mode,
942 .set_suspend_mode = rk8xx_set_suspend_mode,
943 .set_ramp_delay = regulator_set_ramp_delay_regmap,
944 .set_suspend_voltage = rk808_set_suspend_voltage_range,
945 .set_suspend_enable = rk817_set_suspend_enable,
946 .set_suspend_disable = rk817_set_suspend_disable,
947};
948
949static const struct regulator_ops rk817_switch_ops = {
950 .enable = regulator_enable_regmap,
951 .disable = regulator_disable_regmap,
952 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
953 .set_suspend_enable = rk817_set_suspend_enable,
954 .set_suspend_disable = rk817_set_suspend_disable,
955};
956
957static const struct regulator_desc rk805_reg[] = {
958 {
959 .name = "DCDC_REG1",
960 .supply_name = "vcc1",
961 .of_match = of_match_ptr("DCDC_REG1"),
962 .regulators_node = of_match_ptr("regulators"),
963 .id = RK805_ID_DCDC1,
964 .ops = &rk808_reg_ops_ranges,
965 .type = REGULATOR_VOLTAGE,
966 .n_voltages = 64,
967 .linear_ranges = rk805_buck_1_2_voltage_ranges,
968 .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
969 .vsel_reg = RK805_BUCK1_ON_VSEL_REG,
970 .vsel_mask = RK818_BUCK_VSEL_MASK,
971 .enable_reg = RK805_DCDC_EN_REG,
972 .enable_mask = BIT(0),
973 .owner = THIS_MODULE,
974 }, {
975 .name = "DCDC_REG2",
976 .supply_name = "vcc2",
977 .of_match = of_match_ptr("DCDC_REG2"),
978 .regulators_node = of_match_ptr("regulators"),
979 .id = RK805_ID_DCDC2,
980 .ops = &rk808_reg_ops_ranges,
981 .type = REGULATOR_VOLTAGE,
982 .n_voltages = 64,
983 .linear_ranges = rk805_buck_1_2_voltage_ranges,
984 .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
985 .vsel_reg = RK805_BUCK2_ON_VSEL_REG,
986 .vsel_mask = RK818_BUCK_VSEL_MASK,
987 .enable_reg = RK805_DCDC_EN_REG,
988 .enable_mask = BIT(1),
989 .owner = THIS_MODULE,
990 }, {
991 .name = "DCDC_REG3",
992 .supply_name = "vcc3",
993 .of_match = of_match_ptr("DCDC_REG3"),
994 .regulators_node = of_match_ptr("regulators"),
995 .id = RK805_ID_DCDC3,
996 .ops = &rk805_switch_ops,
997 .type = REGULATOR_VOLTAGE,
998 .n_voltages = 1,
999 .enable_reg = RK805_DCDC_EN_REG,
1000 .enable_mask = BIT(2),
1001 .owner = THIS_MODULE,
1002 },
1003
1004 RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
1005 RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
1006 RK805_DCDC_EN_REG, BIT(3), 0),
1007
1008 RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
1009 RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
1010 BIT(0), 400),
1011 RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
1012 RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
1013 BIT(1), 400),
1014 RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
1015 RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
1016 BIT(2), 400),
1017};
1018
1019static const struct linear_range rk806_buck_voltage_ranges[] = {
1020 REGULATOR_LINEAR_RANGE(500000, 0, 159, 6250), /* 500mV ~ 1500mV */
1021 REGULATOR_LINEAR_RANGE(1500000, 160, 235, 25000), /* 1500mV ~ 3400mV */
1022 REGULATOR_LINEAR_RANGE(3400000, 236, 255, 0),
1023};
1024
1025static const struct linear_range rk806_ldo_voltage_ranges[] = {
1026 REGULATOR_LINEAR_RANGE(500000, 0, 231, 12500), /* 500mV ~ 3400mV */
1027 REGULATOR_LINEAR_RANGE(3400000, 232, 255, 0),
1028};
1029
1030static const struct regulator_desc rk806_reg[] = {
1031 RK806_REGULATOR("dcdc-reg1", "vcc1", RK806_ID_DCDC1, rk806_ops_dcdc,
1032 RK806_BUCK_SEL_CNT, RK806_BUCK1_ON_VSEL,
1033 RK806_POWER_EN0, rk806_buck_voltage_ranges, 0,
1034 RK806_BUCK1_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1035 RK806_REGULATOR("dcdc-reg2", "vcc2", RK806_ID_DCDC2, rk806_ops_dcdc,
1036 RK806_BUCK_SEL_CNT, RK806_BUCK2_ON_VSEL,
1037 RK806_POWER_EN0, rk806_buck_voltage_ranges, 1,
1038 RK806_BUCK2_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1039 RK806_REGULATOR("dcdc-reg3", "vcc3", RK806_ID_DCDC3, rk806_ops_dcdc,
1040 RK806_BUCK_SEL_CNT, RK806_BUCK3_ON_VSEL,
1041 RK806_POWER_EN0, rk806_buck_voltage_ranges, 2,
1042 RK806_BUCK3_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1043 RK806_REGULATOR("dcdc-reg4", "vcc4", RK806_ID_DCDC4, rk806_ops_dcdc,
1044 RK806_BUCK_SEL_CNT, RK806_BUCK4_ON_VSEL,
1045 RK806_POWER_EN0, rk806_buck_voltage_ranges, 3,
1046 RK806_BUCK4_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1047
1048 RK806_REGULATOR("dcdc-reg5", "vcc5", RK806_ID_DCDC5, rk806_ops_dcdc,
1049 RK806_BUCK_SEL_CNT, RK806_BUCK5_ON_VSEL,
1050 RK806_POWER_EN1, rk806_buck_voltage_ranges, 0,
1051 RK806_BUCK5_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1052 RK806_REGULATOR("dcdc-reg6", "vcc6", RK806_ID_DCDC6, rk806_ops_dcdc,
1053 RK806_BUCK_SEL_CNT, RK806_BUCK6_ON_VSEL,
1054 RK806_POWER_EN1, rk806_buck_voltage_ranges, 1,
1055 RK806_BUCK6_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1056 RK806_REGULATOR("dcdc-reg7", "vcc7", RK806_ID_DCDC7, rk806_ops_dcdc,
1057 RK806_BUCK_SEL_CNT, RK806_BUCK7_ON_VSEL,
1058 RK806_POWER_EN1, rk806_buck_voltage_ranges, 2,
1059 RK806_BUCK7_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1060 RK806_REGULATOR("dcdc-reg8", "vcc8", RK806_ID_DCDC8, rk806_ops_dcdc,
1061 RK806_BUCK_SEL_CNT, RK806_BUCK8_ON_VSEL,
1062 RK806_POWER_EN1, rk806_buck_voltage_ranges, 3,
1063 RK806_BUCK8_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1064
1065 RK806_REGULATOR("dcdc-reg9", "vcc9", RK806_ID_DCDC9, rk806_ops_dcdc,
1066 RK806_BUCK_SEL_CNT, RK806_BUCK9_ON_VSEL,
1067 RK806_POWER_EN2, rk806_buck_voltage_ranges, 0,
1068 RK806_BUCK9_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1069 RK806_REGULATOR("dcdc-reg10", "vcc10", RK806_ID_DCDC10, rk806_ops_dcdc,
1070 RK806_BUCK_SEL_CNT, RK806_BUCK10_ON_VSEL,
1071 RK806_POWER_EN2, rk806_buck_voltage_ranges, 1,
1072 RK806_BUCK10_CONFIG, 0xc0, rk806_ramp_delay_table_dcdc),
1073
1074 RK806_REGULATOR("nldo-reg1", "vcc13", RK806_ID_NLDO1, rk806_ops_nldo,
1075 RK806_LDO_SEL_CNT, RK806_NLDO1_ON_VSEL,
1076 RK806_POWER_EN3, rk806_ldo_voltage_ranges, 0,
1077 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1078 RK806_REGULATOR("nldo-reg2", "vcc13", RK806_ID_NLDO2, rk806_ops_nldo,
1079 RK806_LDO_SEL_CNT, RK806_NLDO2_ON_VSEL,
1080 RK806_POWER_EN3, rk806_ldo_voltage_ranges, 1,
1081 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1082 RK806_REGULATOR("nldo-reg3", "vcc13", RK806_ID_NLDO3, rk806_ops_nldo,
1083 RK806_LDO_SEL_CNT, RK806_NLDO3_ON_VSEL,
1084 RK806_POWER_EN3, rk806_ldo_voltage_ranges, 2,
1085 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1086 RK806_REGULATOR("nldo-reg4", "vcc14", RK806_ID_NLDO4, rk806_ops_nldo,
1087 RK806_LDO_SEL_CNT, RK806_NLDO4_ON_VSEL,
1088 RK806_POWER_EN3, rk806_ldo_voltage_ranges, 3,
1089 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1090
1091 RK806_REGULATOR("nldo-reg5", "vcc14", RK806_ID_NLDO5, rk806_ops_nldo,
1092 RK806_LDO_SEL_CNT, RK806_NLDO5_ON_VSEL,
1093 RK806_POWER_EN5, rk806_ldo_voltage_ranges, 2,
1094 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1095
1096 RK806_REGULATOR("pldo-reg1", "vcc11", RK806_ID_PLDO1, rk806_ops_pldo,
1097 RK806_LDO_SEL_CNT, RK806_PLDO1_ON_VSEL,
1098 RK806_POWER_EN4, rk806_ldo_voltage_ranges, 1,
1099 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1100 RK806_REGULATOR("pldo-reg2", "vcc11", RK806_ID_PLDO2, rk806_ops_pldo,
1101 RK806_LDO_SEL_CNT, RK806_PLDO2_ON_VSEL,
1102 RK806_POWER_EN4, rk806_ldo_voltage_ranges, 2,
1103 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1104 RK806_REGULATOR("pldo-reg3", "vcc11", RK806_ID_PLDO3, rk806_ops_pldo,
1105 RK806_LDO_SEL_CNT, RK806_PLDO3_ON_VSEL,
1106 RK806_POWER_EN4, rk806_ldo_voltage_ranges, 3,
1107 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1108
1109 RK806_REGULATOR("pldo-reg4", "vcc12", RK806_ID_PLDO4, rk806_ops_pldo,
1110 RK806_LDO_SEL_CNT, RK806_PLDO4_ON_VSEL,
1111 RK806_POWER_EN5, rk806_ldo_voltage_ranges, 0,
1112 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1113 RK806_REGULATOR("pldo-reg5", "vcc12", RK806_ID_PLDO5, rk806_ops_pldo,
1114 RK806_LDO_SEL_CNT, RK806_PLDO5_ON_VSEL,
1115 RK806_POWER_EN5, rk806_ldo_voltage_ranges, 1,
1116 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1117
1118 RK806_REGULATOR("pldo-reg6", "vcca", RK806_ID_PLDO6, rk806_ops_pldo,
1119 RK806_LDO_SEL_CNT, RK806_PLDO6_ON_VSEL,
1120 RK806_POWER_EN4, rk806_ldo_voltage_ranges, 0,
1121 0xEA, 0x38, rk806_ramp_delay_table_ldo),
1122};
1123
1124
1125static const struct regulator_desc rk808_reg[] = {
1126 {
1127 .name = "DCDC_REG1",
1128 .supply_name = "vcc1",
1129 .of_match = of_match_ptr("DCDC_REG1"),
1130 .regulators_node = of_match_ptr("regulators"),
1131 .id = RK808_ID_DCDC1,
1132 .ops = &rk808_buck1_2_ops,
1133 .type = REGULATOR_VOLTAGE,
1134 .min_uV = 712500,
1135 .uV_step = 12500,
1136 .n_voltages = 64,
1137 .vsel_reg = RK808_BUCK1_ON_VSEL_REG,
1138 .vsel_mask = RK808_BUCK_VSEL_MASK,
1139 .enable_reg = RK808_DCDC_EN_REG,
1140 .enable_mask = BIT(0),
1141 .ramp_reg = RK808_BUCK1_CONFIG_REG,
1142 .ramp_mask = RK808_RAMP_RATE_MASK,
1143 .ramp_delay_table = rk808_buck1_2_ramp_table,
1144 .n_ramp_values = ARRAY_SIZE(rk808_buck1_2_ramp_table),
1145 .owner = THIS_MODULE,
1146 }, {
1147 .name = "DCDC_REG2",
1148 .supply_name = "vcc2",
1149 .of_match = of_match_ptr("DCDC_REG2"),
1150 .regulators_node = of_match_ptr("regulators"),
1151 .id = RK808_ID_DCDC2,
1152 .ops = &rk808_buck1_2_ops,
1153 .type = REGULATOR_VOLTAGE,
1154 .min_uV = 712500,
1155 .uV_step = 12500,
1156 .n_voltages = 64,
1157 .vsel_reg = RK808_BUCK2_ON_VSEL_REG,
1158 .vsel_mask = RK808_BUCK_VSEL_MASK,
1159 .enable_reg = RK808_DCDC_EN_REG,
1160 .enable_mask = BIT(1),
1161 .ramp_reg = RK808_BUCK2_CONFIG_REG,
1162 .ramp_mask = RK808_RAMP_RATE_MASK,
1163 .ramp_delay_table = rk808_buck1_2_ramp_table,
1164 .n_ramp_values = ARRAY_SIZE(rk808_buck1_2_ramp_table),
1165 .owner = THIS_MODULE,
1166 }, {
1167 .name = "DCDC_REG3",
1168 .supply_name = "vcc3",
1169 .of_match = of_match_ptr("DCDC_REG3"),
1170 .regulators_node = of_match_ptr("regulators"),
1171 .id = RK808_ID_DCDC3,
1172 .ops = &rk808_switch_ops,
1173 .type = REGULATOR_VOLTAGE,
1174 .n_voltages = 1,
1175 .enable_reg = RK808_DCDC_EN_REG,
1176 .enable_mask = BIT(2),
1177 .owner = THIS_MODULE,
1178 },
1179 RK8XX_DESC(RK808_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3300, 100,
1180 RK808_BUCK4_ON_VSEL_REG, RK808_BUCK4_VSEL_MASK,
1181 RK808_DCDC_EN_REG, BIT(3), 0),
1182 RK8XX_DESC(RK808_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
1183 RK808_LDO1_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1184 BIT(0), 400),
1185 RK8XX_DESC(RK808_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
1186 RK808_LDO2_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1187 BIT(1), 400),
1188 {
1189 .name = "LDO_REG3",
1190 .supply_name = "vcc7",
1191 .of_match = of_match_ptr("LDO_REG3"),
1192 .regulators_node = of_match_ptr("regulators"),
1193 .id = RK808_ID_LDO3,
1194 .ops = &rk808_reg_ops_ranges,
1195 .type = REGULATOR_VOLTAGE,
1196 .n_voltages = 16,
1197 .linear_ranges = rk808_ldo3_voltage_ranges,
1198 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
1199 .vsel_reg = RK808_LDO3_ON_VSEL_REG,
1200 .vsel_mask = RK808_BUCK4_VSEL_MASK,
1201 .enable_reg = RK808_LDO_EN_REG,
1202 .enable_mask = BIT(2),
1203 .enable_time = 400,
1204 .owner = THIS_MODULE,
1205 },
1206 RK8XX_DESC(RK808_ID_LDO4, "LDO_REG4", "vcc9", 1800, 3400, 100,
1207 RK808_LDO4_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1208 BIT(3), 400),
1209 RK8XX_DESC(RK808_ID_LDO5, "LDO_REG5", "vcc9", 1800, 3400, 100,
1210 RK808_LDO5_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1211 BIT(4), 400),
1212 RK8XX_DESC(RK808_ID_LDO6, "LDO_REG6", "vcc10", 800, 2500, 100,
1213 RK808_LDO6_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1214 BIT(5), 400),
1215 RK8XX_DESC(RK808_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
1216 RK808_LDO7_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1217 BIT(6), 400),
1218 RK8XX_DESC(RK808_ID_LDO8, "LDO_REG8", "vcc11", 1800, 3400, 100,
1219 RK808_LDO8_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
1220 BIT(7), 400),
1221 RK8XX_DESC_SWITCH(RK808_ID_SWITCH1, "SWITCH_REG1", "vcc8",
1222 RK808_DCDC_EN_REG, BIT(5)),
1223 RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
1224 RK808_DCDC_EN_REG, BIT(6)),
1225};
1226
1227static const struct regulator_desc rk809_reg[] = {
1228 {
1229 .name = "DCDC_REG1",
1230 .supply_name = "vcc1",
1231 .of_match = of_match_ptr("DCDC_REG1"),
1232 .regulators_node = of_match_ptr("regulators"),
1233 .id = RK817_ID_DCDC1,
1234 .ops = &rk817_buck_ops_range,
1235 .type = REGULATOR_VOLTAGE,
1236 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1237 .linear_ranges = rk817_buck1_voltage_ranges,
1238 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1239 .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
1240 .vsel_mask = RK817_BUCK_VSEL_MASK,
1241 .enable_reg = RK817_POWER_EN_REG(0),
1242 .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
1243 .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
1244 .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
1245 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC1),
1246 .ramp_mask = RK817_RAMP_RATE_MASK,
1247 .ramp_delay_table = rk817_buck1_4_ramp_table,
1248 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1249 .of_map_mode = rk8xx_regulator_of_map_mode,
1250 .owner = THIS_MODULE,
1251 }, {
1252 .name = "DCDC_REG2",
1253 .supply_name = "vcc2",
1254 .of_match = of_match_ptr("DCDC_REG2"),
1255 .regulators_node = of_match_ptr("regulators"),
1256 .id = RK817_ID_DCDC2,
1257 .ops = &rk817_buck_ops_range,
1258 .type = REGULATOR_VOLTAGE,
1259 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1260 .linear_ranges = rk817_buck1_voltage_ranges,
1261 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1262 .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
1263 .vsel_mask = RK817_BUCK_VSEL_MASK,
1264 .enable_reg = RK817_POWER_EN_REG(0),
1265 .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
1266 .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
1267 .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
1268 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC2),
1269 .ramp_mask = RK817_RAMP_RATE_MASK,
1270 .ramp_delay_table = rk817_buck1_4_ramp_table,
1271 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1272 .of_map_mode = rk8xx_regulator_of_map_mode,
1273 .owner = THIS_MODULE,
1274 }, {
1275 .name = "DCDC_REG3",
1276 .supply_name = "vcc3",
1277 .of_match = of_match_ptr("DCDC_REG3"),
1278 .regulators_node = of_match_ptr("regulators"),
1279 .id = RK817_ID_DCDC3,
1280 .ops = &rk817_buck_ops_range,
1281 .type = REGULATOR_VOLTAGE,
1282 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1283 .linear_ranges = rk817_buck1_voltage_ranges,
1284 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1285 .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
1286 .vsel_mask = RK817_BUCK_VSEL_MASK,
1287 .enable_reg = RK817_POWER_EN_REG(0),
1288 .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
1289 .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
1290 .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
1291 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC3),
1292 .ramp_mask = RK817_RAMP_RATE_MASK,
1293 .ramp_delay_table = rk817_buck1_4_ramp_table,
1294 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1295 .of_map_mode = rk8xx_regulator_of_map_mode,
1296 .owner = THIS_MODULE,
1297 }, {
1298 .name = "DCDC_REG4",
1299 .supply_name = "vcc4",
1300 .of_match = of_match_ptr("DCDC_REG4"),
1301 .regulators_node = of_match_ptr("regulators"),
1302 .id = RK817_ID_DCDC4,
1303 .ops = &rk817_buck_ops_range,
1304 .type = REGULATOR_VOLTAGE,
1305 .n_voltages = RK817_BUCK3_SEL_CNT + 1,
1306 .linear_ranges = rk817_buck3_voltage_ranges,
1307 .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
1308 .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
1309 .vsel_mask = RK817_BUCK_VSEL_MASK,
1310 .enable_reg = RK817_POWER_EN_REG(0),
1311 .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
1312 .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
1313 .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
1314 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC4),
1315 .ramp_mask = RK817_RAMP_RATE_MASK,
1316 .ramp_delay_table = rk817_buck1_4_ramp_table,
1317 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1318 .of_map_mode = rk8xx_regulator_of_map_mode,
1319 .owner = THIS_MODULE,
1320 },
1321 {
1322 .name = "DCDC_REG5",
1323 .supply_name = "vcc9",
1324 .of_match = of_match_ptr("DCDC_REG5"),
1325 .regulators_node = of_match_ptr("regulators"),
1326 .id = RK809_ID_DCDC5,
1327 .ops = &rk809_buck5_ops_range,
1328 .type = REGULATOR_VOLTAGE,
1329 .n_voltages = RK809_BUCK5_SEL_CNT,
1330 .linear_ranges = rk809_buck5_voltage_ranges,
1331 .n_linear_ranges = ARRAY_SIZE(rk809_buck5_voltage_ranges),
1332 .vsel_reg = RK809_BUCK5_CONFIG(0),
1333 .vsel_mask = RK809_BUCK5_VSEL_MASK,
1334 .enable_reg = RK817_POWER_EN_REG(3),
1335 .enable_mask = ENABLE_MASK(1),
1336 .enable_val = ENABLE_MASK(1),
1337 .disable_val = DISABLE_VAL(1),
1338 .of_map_mode = rk8xx_regulator_of_map_mode,
1339 .owner = THIS_MODULE,
1340 },
1341 RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
1342 RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
1343 RK817_POWER_EN_REG(1), ENABLE_MASK(0),
1344 DISABLE_VAL(0), 400),
1345 RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
1346 RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
1347 RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1348 DISABLE_VAL(1), 400),
1349 RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1350 RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1351 RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1352 DISABLE_VAL(2), 400),
1353 RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1354 RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1355 RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1356 DISABLE_VAL(3), 400),
1357 RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1358 RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1359 RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1360 DISABLE_VAL(0), 400),
1361 RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1362 RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1363 RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1364 DISABLE_VAL(1), 400),
1365 RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1366 RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1367 RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1368 DISABLE_VAL(2), 400),
1369 RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1370 RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1371 RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1372 DISABLE_VAL(3), 400),
1373 RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1374 RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1375 RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1376 DISABLE_VAL(0), 400),
1377 RK817_DESC_SWITCH(RK809_ID_SW1, "SWITCH_REG1", "vcc9",
1378 RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1379 DISABLE_VAL(2)),
1380 RK817_DESC_SWITCH(RK809_ID_SW2, "SWITCH_REG2", "vcc8",
1381 RK817_POWER_EN_REG(3), ENABLE_MASK(3),
1382 DISABLE_VAL(3)),
1383};
1384
1385static const struct regulator_desc rk817_reg[] = {
1386 {
1387 .name = "DCDC_REG1",
1388 .supply_name = "vcc1",
1389 .of_match = of_match_ptr("DCDC_REG1"),
1390 .regulators_node = of_match_ptr("regulators"),
1391 .id = RK817_ID_DCDC1,
1392 .ops = &rk817_buck_ops_range,
1393 .type = REGULATOR_VOLTAGE,
1394 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1395 .linear_ranges = rk817_buck1_voltage_ranges,
1396 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1397 .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
1398 .vsel_mask = RK817_BUCK_VSEL_MASK,
1399 .enable_reg = RK817_POWER_EN_REG(0),
1400 .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
1401 .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
1402 .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
1403 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC1),
1404 .ramp_mask = RK817_RAMP_RATE_MASK,
1405 .ramp_delay_table = rk817_buck1_4_ramp_table,
1406 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1407 .of_map_mode = rk8xx_regulator_of_map_mode,
1408 .owner = THIS_MODULE,
1409 }, {
1410 .name = "DCDC_REG2",
1411 .supply_name = "vcc2",
1412 .of_match = of_match_ptr("DCDC_REG2"),
1413 .regulators_node = of_match_ptr("regulators"),
1414 .id = RK817_ID_DCDC2,
1415 .ops = &rk817_buck_ops_range,
1416 .type = REGULATOR_VOLTAGE,
1417 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1418 .linear_ranges = rk817_buck1_voltage_ranges,
1419 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1420 .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
1421 .vsel_mask = RK817_BUCK_VSEL_MASK,
1422 .enable_reg = RK817_POWER_EN_REG(0),
1423 .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
1424 .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
1425 .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
1426 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC2),
1427 .ramp_mask = RK817_RAMP_RATE_MASK,
1428 .ramp_delay_table = rk817_buck1_4_ramp_table,
1429 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1430 .of_map_mode = rk8xx_regulator_of_map_mode,
1431 .owner = THIS_MODULE,
1432 }, {
1433 .name = "DCDC_REG3",
1434 .supply_name = "vcc3",
1435 .of_match = of_match_ptr("DCDC_REG3"),
1436 .regulators_node = of_match_ptr("regulators"),
1437 .id = RK817_ID_DCDC3,
1438 .ops = &rk817_buck_ops_range,
1439 .type = REGULATOR_VOLTAGE,
1440 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1441 .linear_ranges = rk817_buck1_voltage_ranges,
1442 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1443 .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
1444 .vsel_mask = RK817_BUCK_VSEL_MASK,
1445 .enable_reg = RK817_POWER_EN_REG(0),
1446 .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
1447 .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
1448 .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
1449 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC3),
1450 .ramp_mask = RK817_RAMP_RATE_MASK,
1451 .ramp_delay_table = rk817_buck1_4_ramp_table,
1452 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1453 .of_map_mode = rk8xx_regulator_of_map_mode,
1454 .owner = THIS_MODULE,
1455 }, {
1456 .name = "DCDC_REG4",
1457 .supply_name = "vcc4",
1458 .of_match = of_match_ptr("DCDC_REG4"),
1459 .regulators_node = of_match_ptr("regulators"),
1460 .id = RK817_ID_DCDC4,
1461 .ops = &rk817_buck_ops_range,
1462 .type = REGULATOR_VOLTAGE,
1463 .n_voltages = RK817_BUCK3_SEL_CNT + 1,
1464 .linear_ranges = rk817_buck3_voltage_ranges,
1465 .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
1466 .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
1467 .vsel_mask = RK817_BUCK_VSEL_MASK,
1468 .enable_reg = RK817_POWER_EN_REG(0),
1469 .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
1470 .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
1471 .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
1472 .ramp_reg = RK817_BUCK_CONFIG_REG(RK817_ID_DCDC4),
1473 .ramp_mask = RK817_RAMP_RATE_MASK,
1474 .ramp_delay_table = rk817_buck1_4_ramp_table,
1475 .n_ramp_values = ARRAY_SIZE(rk817_buck1_4_ramp_table),
1476 .of_map_mode = rk8xx_regulator_of_map_mode,
1477 .owner = THIS_MODULE,
1478 },
1479 RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
1480 RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
1481 RK817_POWER_EN_REG(1), ENABLE_MASK(0),
1482 DISABLE_VAL(0), 400),
1483 RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
1484 RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
1485 RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1486 DISABLE_VAL(1), 400),
1487 RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1488 RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1489 RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1490 DISABLE_VAL(2), 400),
1491 RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1492 RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1493 RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1494 DISABLE_VAL(3), 400),
1495 RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1496 RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1497 RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1498 DISABLE_VAL(0), 400),
1499 RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1500 RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1501 RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1502 DISABLE_VAL(1), 400),
1503 RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1504 RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1505 RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1506 DISABLE_VAL(2), 400),
1507 RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1508 RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1509 RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1510 DISABLE_VAL(3), 400),
1511 RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1512 RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1513 RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1514 DISABLE_VAL(0), 400),
1515 RK817_BOOST_DESC(RK817_ID_BOOST, "BOOST", "vcc8", 4700, 5400, 100,
1516 RK817_BOOST_OTG_CFG, RK817_BOOST_VSEL_MASK,
1517 RK817_POWER_EN_REG(3), ENABLE_MASK(1), ENABLE_MASK(1),
1518 DISABLE_VAL(1), 400, 3500 - 5400),
1519 RK817_DESC_SWITCH(RK817_ID_BOOST_OTG_SW, "OTG_SWITCH", "vcc9",
1520 RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1521 DISABLE_VAL(2)),
1522};
1523
1524static const struct regulator_desc rk818_reg[] = {
1525 {
1526 .name = "DCDC_REG1",
1527 .supply_name = "vcc1",
1528 .of_match = of_match_ptr("DCDC_REG1"),
1529 .regulators_node = of_match_ptr("regulators"),
1530 .id = RK818_ID_DCDC1,
1531 .ops = &rk808_reg_ops,
1532 .type = REGULATOR_VOLTAGE,
1533 .min_uV = 712500,
1534 .uV_step = 12500,
1535 .n_voltages = 64,
1536 .vsel_reg = RK818_BUCK1_ON_VSEL_REG,
1537 .vsel_mask = RK818_BUCK_VSEL_MASK,
1538 .enable_reg = RK818_DCDC_EN_REG,
1539 .enable_mask = BIT(0),
1540 .owner = THIS_MODULE,
1541 }, {
1542 .name = "DCDC_REG2",
1543 .supply_name = "vcc2",
1544 .of_match = of_match_ptr("DCDC_REG2"),
1545 .regulators_node = of_match_ptr("regulators"),
1546 .id = RK818_ID_DCDC2,
1547 .ops = &rk808_reg_ops,
1548 .type = REGULATOR_VOLTAGE,
1549 .min_uV = 712500,
1550 .uV_step = 12500,
1551 .n_voltages = 64,
1552 .vsel_reg = RK818_BUCK2_ON_VSEL_REG,
1553 .vsel_mask = RK818_BUCK_VSEL_MASK,
1554 .enable_reg = RK818_DCDC_EN_REG,
1555 .enable_mask = BIT(1),
1556 .owner = THIS_MODULE,
1557 }, {
1558 .name = "DCDC_REG3",
1559 .supply_name = "vcc3",
1560 .of_match = of_match_ptr("DCDC_REG3"),
1561 .regulators_node = of_match_ptr("regulators"),
1562 .id = RK818_ID_DCDC3,
1563 .ops = &rk808_switch_ops,
1564 .type = REGULATOR_VOLTAGE,
1565 .n_voltages = 1,
1566 .enable_reg = RK818_DCDC_EN_REG,
1567 .enable_mask = BIT(2),
1568 .owner = THIS_MODULE,
1569 },
1570 RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
1571 RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
1572 RK818_DCDC_EN_REG, BIT(3), 0),
1573 RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
1574 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
1575 RK818_DCDC_EN_REG, BIT(4), 0),
1576 RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
1577 RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1578 BIT(0), 400),
1579 RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
1580 RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1581 BIT(1), 400),
1582 {
1583 .name = "LDO_REG3",
1584 .supply_name = "vcc7",
1585 .of_match = of_match_ptr("LDO_REG3"),
1586 .regulators_node = of_match_ptr("regulators"),
1587 .id = RK818_ID_LDO3,
1588 .ops = &rk808_reg_ops_ranges,
1589 .type = REGULATOR_VOLTAGE,
1590 .n_voltages = 16,
1591 .linear_ranges = rk808_ldo3_voltage_ranges,
1592 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
1593 .vsel_reg = RK818_LDO3_ON_VSEL_REG,
1594 .vsel_mask = RK818_LDO3_ON_VSEL_MASK,
1595 .enable_reg = RK818_LDO_EN_REG,
1596 .enable_mask = BIT(2),
1597 .enable_time = 400,
1598 .owner = THIS_MODULE,
1599 },
1600 RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
1601 RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1602 BIT(3), 400),
1603 RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
1604 RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1605 BIT(4), 400),
1606 RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
1607 RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1608 BIT(5), 400),
1609 RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
1610 RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1611 BIT(6), 400),
1612 RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
1613 RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1614 BIT(7), 400),
1615 RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
1616 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
1617 RK818_DCDC_EN_REG, BIT(5), 400),
1618 RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
1619 RK818_DCDC_EN_REG, BIT(6)),
1620 RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
1621 RK818_H5V_EN_REG, BIT(0)),
1622 RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
1623 RK818_DCDC_EN_REG, BIT(7)),
1624};
1625
1626static int rk808_regulator_dt_parse_pdata(struct device *dev,
1627 struct regmap *map,
1628 struct rk808_regulator_data *pdata)
1629{
1630 struct device_node *np;
1631 int tmp, ret = 0, i;
1632
1633 np = of_get_child_by_name(dev->of_node, "regulators");
1634 if (!np)
1635 return -ENXIO;
1636
1637 for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
1638 pdata->dvs_gpio[i] =
1639 devm_gpiod_get_index_optional(dev, "dvs", i,
1640 GPIOD_OUT_LOW);
1641 if (IS_ERR(pdata->dvs_gpio[i])) {
1642 ret = PTR_ERR(pdata->dvs_gpio[i]);
1643 dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
1644 goto dt_parse_end;
1645 }
1646
1647 if (!pdata->dvs_gpio[i]) {
1648 dev_info(dev, "there is no dvs%d gpio\n", i);
1649 continue;
1650 }
1651
1652 tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
1653 ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
1654 gpiod_is_active_low(pdata->dvs_gpio[i]) ?
1655 0 : tmp);
1656 }
1657
1658dt_parse_end:
1659 of_node_put(np);
1660 return ret;
1661}
1662
1663static int rk808_regulator_probe(struct platform_device *pdev)
1664{
1665 struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
1666 struct regulator_config config = {};
1667 struct regulator_dev *rk808_rdev;
1668 struct rk808_regulator_data *pdata;
1669 const struct regulator_desc *regulators;
1670 struct regmap *regmap;
1671 int ret, i, nregulators;
1672
1673 pdev->dev.of_node = pdev->dev.parent->of_node;
1674 pdev->dev.of_node_reused = true;
1675
1676 regmap = dev_get_regmap(pdev->dev.parent, NULL);
1677 if (!regmap)
1678 return -ENODEV;
1679
1680 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1681 if (!pdata)
1682 return -ENOMEM;
1683
1684 ret = rk808_regulator_dt_parse_pdata(&pdev->dev, regmap, pdata);
1685 if (ret < 0)
1686 return ret;
1687
1688 platform_set_drvdata(pdev, pdata);
1689
1690 switch (rk808->variant) {
1691 case RK805_ID:
1692 regulators = rk805_reg;
1693 nregulators = RK805_NUM_REGULATORS;
1694 break;
1695 case RK806_ID:
1696 regulators = rk806_reg;
1697 nregulators = ARRAY_SIZE(rk806_reg);
1698 break;
1699 case RK808_ID:
1700 regulators = rk808_reg;
1701 nregulators = RK808_NUM_REGULATORS;
1702 break;
1703 case RK809_ID:
1704 regulators = rk809_reg;
1705 nregulators = RK809_NUM_REGULATORS;
1706 break;
1707 case RK817_ID:
1708 regulators = rk817_reg;
1709 nregulators = RK817_NUM_REGULATORS;
1710 break;
1711 case RK818_ID:
1712 regulators = rk818_reg;
1713 nregulators = RK818_NUM_REGULATORS;
1714 break;
1715 default:
1716 dev_err(&pdev->dev, "unsupported RK8XX ID %lu\n",
1717 rk808->variant);
1718 return -EINVAL;
1719 }
1720
1721 config.dev = &pdev->dev;
1722 config.driver_data = pdata;
1723 config.regmap = regmap;
1724
1725 /* Instantiate the regulators */
1726 for (i = 0; i < nregulators; i++) {
1727 rk808_rdev = devm_regulator_register(&pdev->dev,
1728 ®ulators[i], &config);
1729 if (IS_ERR(rk808_rdev))
1730 return dev_err_probe(&pdev->dev, PTR_ERR(rk808_rdev),
1731 "failed to register %d regulator\n", i);
1732 }
1733
1734 return 0;
1735}
1736
1737static struct platform_driver rk808_regulator_driver = {
1738 .probe = rk808_regulator_probe,
1739 .driver = {
1740 .name = "rk808-regulator",
1741 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1742 },
1743};
1744
1745module_platform_driver(rk808_regulator_driver);
1746
1747MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK818 series PMICs");
1748MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>");
1749MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
1750MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
1751MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
1752MODULE_AUTHOR("Xu Shengfei <xsf@rock-chips.com>");
1753MODULE_LICENSE("GPL");
1754MODULE_ALIAS("platform:rk808-regulator");
1/*
2 * Regulator driver for Rockchip RK808/RK818
3 *
4 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
5 *
6 * Author: Chris Zhong <zyw@rock-chips.com>
7 * Author: Zhang Qing <zhangqing@rock-chips.com>
8 *
9 * Copyright (C) 2016 PHYTEC Messtechnik GmbH
10 *
11 * Author: Wadim Egorov <w.egorov@phytec.de>
12 *
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms and conditions of the GNU General Public License,
15 * version 2, as published by the Free Software Foundation.
16 *
17 * This program is distributed in the hope it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20 * more details.
21 */
22
23#include <linux/delay.h>
24#include <linux/gpio.h>
25#include <linux/i2c.h>
26#include <linux/module.h>
27#include <linux/of_device.h>
28#include <linux/of_gpio.h>
29#include <linux/mfd/rk808.h>
30#include <linux/regulator/driver.h>
31#include <linux/regulator/of_regulator.h>
32#include <linux/gpio/consumer.h>
33
34/* Field Definitions */
35#define RK808_BUCK_VSEL_MASK 0x3f
36#define RK808_BUCK4_VSEL_MASK 0xf
37#define RK808_LDO_VSEL_MASK 0x1f
38
39#define RK818_BUCK_VSEL_MASK 0x3f
40#define RK818_BUCK4_VSEL_MASK 0x1f
41#define RK818_LDO_VSEL_MASK 0x1f
42#define RK818_LDO3_ON_VSEL_MASK 0xf
43#define RK818_BOOST_ON_VSEL_MASK 0xe0
44
45/* Ramp rate definitions for buck1 / buck2 only */
46#define RK808_RAMP_RATE_OFFSET 3
47#define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET)
48#define RK808_RAMP_RATE_2MV_PER_US (0 << RK808_RAMP_RATE_OFFSET)
49#define RK808_RAMP_RATE_4MV_PER_US (1 << RK808_RAMP_RATE_OFFSET)
50#define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET)
51#define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET)
52
53#define RK808_DVS2_POL BIT(2)
54#define RK808_DVS1_POL BIT(1)
55
56/* Offset from XXX_ON_VSEL to XXX_SLP_VSEL */
57#define RK808_SLP_REG_OFFSET 1
58
59/* Offset from XXX_ON_VSEL to XXX_DVS_VSEL */
60#define RK808_DVS_REG_OFFSET 2
61
62/* Offset from XXX_EN_REG to SLEEP_SET_OFF_XXX */
63#define RK808_SLP_SET_OFF_REG_OFFSET 2
64
65/* max steps for increase voltage of Buck1/2, equal 100mv*/
66#define MAX_STEPS_ONE_TIME 8
67
68#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
69 _vmask, _ereg, _emask, _etime) \
70 [_id] = { \
71 .name = (_match), \
72 .supply_name = (_supply), \
73 .of_match = of_match_ptr(_match), \
74 .regulators_node = of_match_ptr("regulators"), \
75 .type = REGULATOR_VOLTAGE, \
76 .id = (_id), \
77 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
78 .owner = THIS_MODULE, \
79 .min_uV = (_min) * 1000, \
80 .uV_step = (_step) * 1000, \
81 .vsel_reg = (_vreg), \
82 .vsel_mask = (_vmask), \
83 .enable_reg = (_ereg), \
84 .enable_mask = (_emask), \
85 .enable_time = (_etime), \
86 .ops = &rk805_reg_ops, \
87 }
88
89#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
90 _vmask, _ereg, _emask, _etime) \
91 [_id] = { \
92 .name = (_match), \
93 .supply_name = (_supply), \
94 .of_match = of_match_ptr(_match), \
95 .regulators_node = of_match_ptr("regulators"), \
96 .type = REGULATOR_VOLTAGE, \
97 .id = (_id), \
98 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
99 .owner = THIS_MODULE, \
100 .min_uV = (_min) * 1000, \
101 .uV_step = (_step) * 1000, \
102 .vsel_reg = (_vreg), \
103 .vsel_mask = (_vmask), \
104 .enable_reg = (_ereg), \
105 .enable_mask = (_emask), \
106 .enable_time = (_etime), \
107 .ops = &rk808_reg_ops, \
108 }
109
110#define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask) \
111 [_id] = { \
112 .name = (_match), \
113 .supply_name = (_supply), \
114 .of_match = of_match_ptr(_match), \
115 .regulators_node = of_match_ptr("regulators"), \
116 .type = REGULATOR_VOLTAGE, \
117 .id = (_id), \
118 .enable_reg = (_ereg), \
119 .enable_mask = (_emask), \
120 .owner = THIS_MODULE, \
121 .ops = &rk808_switch_ops \
122 }
123
124
125struct rk808_regulator_data {
126 struct gpio_desc *dvs_gpio[2];
127};
128
129static const int rk808_buck_config_regs[] = {
130 RK808_BUCK1_CONFIG_REG,
131 RK808_BUCK2_CONFIG_REG,
132 RK808_BUCK3_CONFIG_REG,
133 RK808_BUCK4_CONFIG_REG,
134};
135
136static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
137 REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
138 REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
139};
140
141static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
142{
143 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
144 int id = rdev_get_id(rdev);
145 struct gpio_desc *gpio = pdata->dvs_gpio[id];
146 unsigned int val;
147 int ret;
148
149 if (!gpio || gpiod_get_value(gpio) == 0)
150 return regulator_get_voltage_sel_regmap(rdev);
151
152 ret = regmap_read(rdev->regmap,
153 rdev->desc->vsel_reg + RK808_DVS_REG_OFFSET,
154 &val);
155 if (ret != 0)
156 return ret;
157
158 val &= rdev->desc->vsel_mask;
159 val >>= ffs(rdev->desc->vsel_mask) - 1;
160
161 return val;
162}
163
164static int rk808_buck1_2_i2c_set_voltage_sel(struct regulator_dev *rdev,
165 unsigned sel)
166{
167 int ret, delta_sel;
168 unsigned int old_sel, tmp, val, mask = rdev->desc->vsel_mask;
169
170 ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
171 if (ret != 0)
172 return ret;
173
174 tmp = val & ~mask;
175 old_sel = val & mask;
176 old_sel >>= ffs(mask) - 1;
177 delta_sel = sel - old_sel;
178
179 /*
180 * If directly modify the register to change the voltage, we will face
181 * the risk of overshoot. Put it into a multi-step, can effectively
182 * avoid this problem, a step is 100mv here.
183 */
184 while (delta_sel > MAX_STEPS_ONE_TIME) {
185 old_sel += MAX_STEPS_ONE_TIME;
186 val = old_sel << (ffs(mask) - 1);
187 val |= tmp;
188
189 /*
190 * i2c is 400kHz (2.5us per bit) and we must transmit _at least_
191 * 3 bytes (24 bits) plus start and stop so 26 bits. So we've
192 * got more than 65 us between each voltage change and thus
193 * won't ramp faster than ~1500 uV / us.
194 */
195 ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
196 delta_sel = sel - old_sel;
197 }
198
199 sel <<= ffs(mask) - 1;
200 val = tmp | sel;
201 ret = regmap_write(rdev->regmap, rdev->desc->vsel_reg, val);
202
203 /*
204 * When we change the voltage register directly, the ramp rate is about
205 * 100000uv/us, wait 1us to make sure the target voltage to be stable,
206 * so we needn't wait extra time after that.
207 */
208 udelay(1);
209
210 return ret;
211}
212
213static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
214 unsigned sel)
215{
216 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
217 int id = rdev_get_id(rdev);
218 struct gpio_desc *gpio = pdata->dvs_gpio[id];
219 unsigned int reg = rdev->desc->vsel_reg;
220 unsigned old_sel;
221 int ret, gpio_level;
222
223 if (!gpio)
224 return rk808_buck1_2_i2c_set_voltage_sel(rdev, sel);
225
226 gpio_level = gpiod_get_value(gpio);
227 if (gpio_level == 0) {
228 reg += RK808_DVS_REG_OFFSET;
229 ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &old_sel);
230 } else {
231 ret = regmap_read(rdev->regmap,
232 reg + RK808_DVS_REG_OFFSET,
233 &old_sel);
234 }
235
236 if (ret != 0)
237 return ret;
238
239 sel <<= ffs(rdev->desc->vsel_mask) - 1;
240 sel |= old_sel & ~rdev->desc->vsel_mask;
241
242 ret = regmap_write(rdev->regmap, reg, sel);
243 if (ret)
244 return ret;
245
246 gpiod_set_value(gpio, !gpio_level);
247
248 return ret;
249}
250
251static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
252 unsigned int old_selector,
253 unsigned int new_selector)
254{
255 struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
256 int id = rdev_get_id(rdev);
257 struct gpio_desc *gpio = pdata->dvs_gpio[id];
258
259 /* if there is no dvs1/2 pin, we don't need wait extra time here. */
260 if (!gpio)
261 return 0;
262
263 return regulator_set_voltage_time_sel(rdev, old_selector, new_selector);
264}
265
266static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
267{
268 unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
269 unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];
270
271 switch (ramp_delay) {
272 case 1 ... 2000:
273 ramp_value = RK808_RAMP_RATE_2MV_PER_US;
274 break;
275 case 2001 ... 4000:
276 ramp_value = RK808_RAMP_RATE_4MV_PER_US;
277 break;
278 case 4001 ... 6000:
279 ramp_value = RK808_RAMP_RATE_6MV_PER_US;
280 break;
281 case 6001 ... 10000:
282 break;
283 default:
284 pr_warn("%s ramp_delay: %d not supported, setting 10000\n",
285 rdev->desc->name, ramp_delay);
286 }
287
288 return regmap_update_bits(rdev->regmap, reg,
289 RK808_RAMP_RATE_MASK, ramp_value);
290}
291
292static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv)
293{
294 unsigned int reg;
295 int sel = regulator_map_voltage_linear(rdev, uv, uv);
296
297 if (sel < 0)
298 return -EINVAL;
299
300 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
301
302 return regmap_update_bits(rdev->regmap, reg,
303 rdev->desc->vsel_mask,
304 sel);
305}
306
307static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
308{
309 unsigned int reg;
310 int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
311
312 if (sel < 0)
313 return -EINVAL;
314
315 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
316
317 return regmap_update_bits(rdev->regmap, reg,
318 rdev->desc->vsel_mask,
319 sel);
320}
321
322static int rk805_set_suspend_enable(struct regulator_dev *rdev)
323{
324 unsigned int reg;
325
326 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
327
328 return regmap_update_bits(rdev->regmap, reg,
329 rdev->desc->enable_mask,
330 rdev->desc->enable_mask);
331}
332
333static int rk805_set_suspend_disable(struct regulator_dev *rdev)
334{
335 unsigned int reg;
336
337 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
338
339 return regmap_update_bits(rdev->regmap, reg,
340 rdev->desc->enable_mask,
341 0);
342}
343
344static int rk808_set_suspend_enable(struct regulator_dev *rdev)
345{
346 unsigned int reg;
347
348 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
349
350 return regmap_update_bits(rdev->regmap, reg,
351 rdev->desc->enable_mask,
352 0);
353}
354
355static int rk808_set_suspend_disable(struct regulator_dev *rdev)
356{
357 unsigned int reg;
358
359 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
360
361 return regmap_update_bits(rdev->regmap, reg,
362 rdev->desc->enable_mask,
363 rdev->desc->enable_mask);
364}
365
366static struct regulator_ops rk805_reg_ops = {
367 .list_voltage = regulator_list_voltage_linear,
368 .map_voltage = regulator_map_voltage_linear,
369 .get_voltage_sel = regulator_get_voltage_sel_regmap,
370 .set_voltage_sel = regulator_set_voltage_sel_regmap,
371 .enable = regulator_enable_regmap,
372 .disable = regulator_disable_regmap,
373 .is_enabled = regulator_is_enabled_regmap,
374 .set_suspend_voltage = rk808_set_suspend_voltage,
375 .set_suspend_enable = rk805_set_suspend_enable,
376 .set_suspend_disable = rk805_set_suspend_disable,
377};
378
379static struct regulator_ops rk805_switch_ops = {
380 .enable = regulator_enable_regmap,
381 .disable = regulator_disable_regmap,
382 .is_enabled = regulator_is_enabled_regmap,
383 .set_suspend_enable = rk805_set_suspend_enable,
384 .set_suspend_disable = rk805_set_suspend_disable,
385};
386
387static struct regulator_ops rk808_buck1_2_ops = {
388 .list_voltage = regulator_list_voltage_linear,
389 .map_voltage = regulator_map_voltage_linear,
390 .get_voltage_sel = rk808_buck1_2_get_voltage_sel_regmap,
391 .set_voltage_sel = rk808_buck1_2_set_voltage_sel,
392 .set_voltage_time_sel = rk808_buck1_2_set_voltage_time_sel,
393 .enable = regulator_enable_regmap,
394 .disable = regulator_disable_regmap,
395 .is_enabled = regulator_is_enabled_regmap,
396 .set_ramp_delay = rk808_set_ramp_delay,
397 .set_suspend_voltage = rk808_set_suspend_voltage,
398 .set_suspend_enable = rk808_set_suspend_enable,
399 .set_suspend_disable = rk808_set_suspend_disable,
400};
401
402static struct regulator_ops rk808_reg_ops = {
403 .list_voltage = regulator_list_voltage_linear,
404 .map_voltage = regulator_map_voltage_linear,
405 .get_voltage_sel = regulator_get_voltage_sel_regmap,
406 .set_voltage_sel = regulator_set_voltage_sel_regmap,
407 .enable = regulator_enable_regmap,
408 .disable = regulator_disable_regmap,
409 .is_enabled = regulator_is_enabled_regmap,
410 .set_suspend_voltage = rk808_set_suspend_voltage,
411 .set_suspend_enable = rk808_set_suspend_enable,
412 .set_suspend_disable = rk808_set_suspend_disable,
413};
414
415static struct regulator_ops rk808_reg_ops_ranges = {
416 .list_voltage = regulator_list_voltage_linear_range,
417 .map_voltage = regulator_map_voltage_linear_range,
418 .get_voltage_sel = regulator_get_voltage_sel_regmap,
419 .set_voltage_sel = regulator_set_voltage_sel_regmap,
420 .enable = regulator_enable_regmap,
421 .disable = regulator_disable_regmap,
422 .is_enabled = regulator_is_enabled_regmap,
423 .set_suspend_voltage = rk808_set_suspend_voltage_range,
424 .set_suspend_enable = rk808_set_suspend_enable,
425 .set_suspend_disable = rk808_set_suspend_disable,
426};
427
428static struct regulator_ops rk808_switch_ops = {
429 .enable = regulator_enable_regmap,
430 .disable = regulator_disable_regmap,
431 .is_enabled = regulator_is_enabled_regmap,
432 .set_suspend_enable = rk808_set_suspend_enable,
433 .set_suspend_disable = rk808_set_suspend_disable,
434};
435
436static const struct regulator_desc rk805_reg[] = {
437 {
438 .name = "DCDC_REG1",
439 .supply_name = "vcc1",
440 .of_match = of_match_ptr("DCDC_REG1"),
441 .regulators_node = of_match_ptr("regulators"),
442 .id = RK805_ID_DCDC1,
443 .ops = &rk805_reg_ops,
444 .type = REGULATOR_VOLTAGE,
445 .min_uV = 712500,
446 .uV_step = 12500,
447 .n_voltages = 64,
448 .vsel_reg = RK805_BUCK1_ON_VSEL_REG,
449 .vsel_mask = RK818_BUCK_VSEL_MASK,
450 .enable_reg = RK805_DCDC_EN_REG,
451 .enable_mask = BIT(0),
452 .owner = THIS_MODULE,
453 }, {
454 .name = "DCDC_REG2",
455 .supply_name = "vcc2",
456 .of_match = of_match_ptr("DCDC_REG2"),
457 .regulators_node = of_match_ptr("regulators"),
458 .id = RK805_ID_DCDC2,
459 .ops = &rk805_reg_ops,
460 .type = REGULATOR_VOLTAGE,
461 .min_uV = 712500,
462 .uV_step = 12500,
463 .n_voltages = 64,
464 .vsel_reg = RK805_BUCK2_ON_VSEL_REG,
465 .vsel_mask = RK818_BUCK_VSEL_MASK,
466 .enable_reg = RK805_DCDC_EN_REG,
467 .enable_mask = BIT(1),
468 .owner = THIS_MODULE,
469 }, {
470 .name = "DCDC_REG3",
471 .supply_name = "vcc3",
472 .of_match = of_match_ptr("DCDC_REG3"),
473 .regulators_node = of_match_ptr("regulators"),
474 .id = RK805_ID_DCDC3,
475 .ops = &rk805_switch_ops,
476 .type = REGULATOR_VOLTAGE,
477 .n_voltages = 1,
478 .enable_reg = RK805_DCDC_EN_REG,
479 .enable_mask = BIT(2),
480 .owner = THIS_MODULE,
481 },
482
483 RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
484 RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
485 RK805_DCDC_EN_REG, BIT(3), 0),
486
487 RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
488 RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
489 BIT(0), 400),
490 RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
491 RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
492 BIT(1), 400),
493 RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
494 RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
495 BIT(2), 400),
496};
497
498static const struct regulator_desc rk808_reg[] = {
499 {
500 .name = "DCDC_REG1",
501 .supply_name = "vcc1",
502 .of_match = of_match_ptr("DCDC_REG1"),
503 .regulators_node = of_match_ptr("regulators"),
504 .id = RK808_ID_DCDC1,
505 .ops = &rk808_buck1_2_ops,
506 .type = REGULATOR_VOLTAGE,
507 .min_uV = 712500,
508 .uV_step = 12500,
509 .n_voltages = 64,
510 .vsel_reg = RK808_BUCK1_ON_VSEL_REG,
511 .vsel_mask = RK808_BUCK_VSEL_MASK,
512 .enable_reg = RK808_DCDC_EN_REG,
513 .enable_mask = BIT(0),
514 .owner = THIS_MODULE,
515 }, {
516 .name = "DCDC_REG2",
517 .supply_name = "vcc2",
518 .of_match = of_match_ptr("DCDC_REG2"),
519 .regulators_node = of_match_ptr("regulators"),
520 .id = RK808_ID_DCDC2,
521 .ops = &rk808_buck1_2_ops,
522 .type = REGULATOR_VOLTAGE,
523 .min_uV = 712500,
524 .uV_step = 12500,
525 .n_voltages = 64,
526 .vsel_reg = RK808_BUCK2_ON_VSEL_REG,
527 .vsel_mask = RK808_BUCK_VSEL_MASK,
528 .enable_reg = RK808_DCDC_EN_REG,
529 .enable_mask = BIT(1),
530 .owner = THIS_MODULE,
531 }, {
532 .name = "DCDC_REG3",
533 .supply_name = "vcc3",
534 .of_match = of_match_ptr("DCDC_REG3"),
535 .regulators_node = of_match_ptr("regulators"),
536 .id = RK808_ID_DCDC3,
537 .ops = &rk808_switch_ops,
538 .type = REGULATOR_VOLTAGE,
539 .n_voltages = 1,
540 .enable_reg = RK808_DCDC_EN_REG,
541 .enable_mask = BIT(2),
542 .owner = THIS_MODULE,
543 },
544 RK8XX_DESC(RK808_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3300, 100,
545 RK808_BUCK4_ON_VSEL_REG, RK808_BUCK4_VSEL_MASK,
546 RK808_DCDC_EN_REG, BIT(3), 0),
547 RK8XX_DESC(RK808_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
548 RK808_LDO1_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
549 BIT(0), 400),
550 RK8XX_DESC(RK808_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
551 RK808_LDO2_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
552 BIT(1), 400),
553 {
554 .name = "LDO_REG3",
555 .supply_name = "vcc7",
556 .of_match = of_match_ptr("LDO_REG3"),
557 .regulators_node = of_match_ptr("regulators"),
558 .id = RK808_ID_LDO3,
559 .ops = &rk808_reg_ops_ranges,
560 .type = REGULATOR_VOLTAGE,
561 .n_voltages = 16,
562 .linear_ranges = rk808_ldo3_voltage_ranges,
563 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
564 .vsel_reg = RK808_LDO3_ON_VSEL_REG,
565 .vsel_mask = RK808_BUCK4_VSEL_MASK,
566 .enable_reg = RK808_LDO_EN_REG,
567 .enable_mask = BIT(2),
568 .enable_time = 400,
569 .owner = THIS_MODULE,
570 },
571 RK8XX_DESC(RK808_ID_LDO4, "LDO_REG4", "vcc9", 1800, 3400, 100,
572 RK808_LDO4_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
573 BIT(3), 400),
574 RK8XX_DESC(RK808_ID_LDO5, "LDO_REG5", "vcc9", 1800, 3400, 100,
575 RK808_LDO5_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
576 BIT(4), 400),
577 RK8XX_DESC(RK808_ID_LDO6, "LDO_REG6", "vcc10", 800, 2500, 100,
578 RK808_LDO6_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
579 BIT(5), 400),
580 RK8XX_DESC(RK808_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
581 RK808_LDO7_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
582 BIT(6), 400),
583 RK8XX_DESC(RK808_ID_LDO8, "LDO_REG8", "vcc11", 1800, 3400, 100,
584 RK808_LDO8_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
585 BIT(7), 400),
586 RK8XX_DESC_SWITCH(RK808_ID_SWITCH1, "SWITCH_REG1", "vcc8",
587 RK808_DCDC_EN_REG, BIT(5)),
588 RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
589 RK808_DCDC_EN_REG, BIT(6)),
590};
591
592static const struct regulator_desc rk818_reg[] = {
593 {
594 .name = "DCDC_REG1",
595 .supply_name = "vcc1",
596 .of_match = of_match_ptr("DCDC_REG1"),
597 .regulators_node = of_match_ptr("regulators"),
598 .id = RK818_ID_DCDC1,
599 .ops = &rk808_reg_ops,
600 .type = REGULATOR_VOLTAGE,
601 .min_uV = 712500,
602 .uV_step = 12500,
603 .n_voltages = 64,
604 .vsel_reg = RK818_BUCK1_ON_VSEL_REG,
605 .vsel_mask = RK818_BUCK_VSEL_MASK,
606 .enable_reg = RK818_DCDC_EN_REG,
607 .enable_mask = BIT(0),
608 .owner = THIS_MODULE,
609 }, {
610 .name = "DCDC_REG2",
611 .supply_name = "vcc2",
612 .of_match = of_match_ptr("DCDC_REG2"),
613 .regulators_node = of_match_ptr("regulators"),
614 .id = RK818_ID_DCDC2,
615 .ops = &rk808_reg_ops,
616 .type = REGULATOR_VOLTAGE,
617 .min_uV = 712500,
618 .uV_step = 12500,
619 .n_voltages = 64,
620 .vsel_reg = RK818_BUCK2_ON_VSEL_REG,
621 .vsel_mask = RK818_BUCK_VSEL_MASK,
622 .enable_reg = RK818_DCDC_EN_REG,
623 .enable_mask = BIT(1),
624 .owner = THIS_MODULE,
625 }, {
626 .name = "DCDC_REG3",
627 .supply_name = "vcc3",
628 .of_match = of_match_ptr("DCDC_REG3"),
629 .regulators_node = of_match_ptr("regulators"),
630 .id = RK818_ID_DCDC3,
631 .ops = &rk808_switch_ops,
632 .type = REGULATOR_VOLTAGE,
633 .n_voltages = 1,
634 .enable_reg = RK818_DCDC_EN_REG,
635 .enable_mask = BIT(2),
636 .owner = THIS_MODULE,
637 },
638 RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
639 RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
640 RK818_DCDC_EN_REG, BIT(3), 0),
641 RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
642 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
643 RK818_DCDC_EN_REG, BIT(4), 0),
644 RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
645 RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
646 BIT(0), 400),
647 RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
648 RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
649 BIT(1), 400),
650 {
651 .name = "LDO_REG3",
652 .supply_name = "vcc7",
653 .of_match = of_match_ptr("LDO_REG3"),
654 .regulators_node = of_match_ptr("regulators"),
655 .id = RK818_ID_LDO3,
656 .ops = &rk808_reg_ops_ranges,
657 .type = REGULATOR_VOLTAGE,
658 .n_voltages = 16,
659 .linear_ranges = rk808_ldo3_voltage_ranges,
660 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
661 .vsel_reg = RK818_LDO3_ON_VSEL_REG,
662 .vsel_mask = RK818_LDO3_ON_VSEL_MASK,
663 .enable_reg = RK818_LDO_EN_REG,
664 .enable_mask = BIT(2),
665 .enable_time = 400,
666 .owner = THIS_MODULE,
667 },
668 RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
669 RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
670 BIT(3), 400),
671 RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
672 RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
673 BIT(4), 400),
674 RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
675 RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
676 BIT(5), 400),
677 RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
678 RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
679 BIT(6), 400),
680 RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
681 RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
682 BIT(7), 400),
683 RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
684 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
685 RK818_DCDC_EN_REG, BIT(5), 400),
686 RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
687 RK818_DCDC_EN_REG, BIT(6)),
688 RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
689 RK818_H5V_EN_REG, BIT(0)),
690 RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
691 RK818_DCDC_EN_REG, BIT(7)),
692};
693
694static int rk808_regulator_dt_parse_pdata(struct device *dev,
695 struct device *client_dev,
696 struct regmap *map,
697 struct rk808_regulator_data *pdata)
698{
699 struct device_node *np;
700 int tmp, ret = 0, i;
701
702 np = of_get_child_by_name(client_dev->of_node, "regulators");
703 if (!np)
704 return -ENXIO;
705
706 for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
707 pdata->dvs_gpio[i] =
708 devm_gpiod_get_index_optional(client_dev, "dvs", i,
709 GPIOD_OUT_LOW);
710 if (IS_ERR(pdata->dvs_gpio[i])) {
711 ret = PTR_ERR(pdata->dvs_gpio[i]);
712 dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
713 goto dt_parse_end;
714 }
715
716 if (!pdata->dvs_gpio[i]) {
717 dev_warn(dev, "there is no dvs%d gpio\n", i);
718 continue;
719 }
720
721 tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
722 ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
723 gpiod_is_active_low(pdata->dvs_gpio[i]) ?
724 0 : tmp);
725 }
726
727dt_parse_end:
728 of_node_put(np);
729 return ret;
730}
731
732static int rk808_regulator_probe(struct platform_device *pdev)
733{
734 struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
735 struct i2c_client *client = rk808->i2c;
736 struct regulator_config config = {};
737 struct regulator_dev *rk808_rdev;
738 struct rk808_regulator_data *pdata;
739 const struct regulator_desc *regulators;
740 int ret, i, nregulators;
741
742 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
743 if (!pdata)
744 return -ENOMEM;
745
746 ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
747 rk808->regmap, pdata);
748 if (ret < 0)
749 return ret;
750
751 platform_set_drvdata(pdev, pdata);
752
753 switch (rk808->variant) {
754 case RK805_ID:
755 regulators = rk805_reg;
756 nregulators = RK805_NUM_REGULATORS;
757 break;
758 case RK808_ID:
759 regulators = rk808_reg;
760 nregulators = RK808_NUM_REGULATORS;
761 break;
762 case RK818_ID:
763 regulators = rk818_reg;
764 nregulators = RK818_NUM_REGULATORS;
765 break;
766 default:
767 dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
768 rk808->variant);
769 return -EINVAL;
770 }
771
772 config.dev = &client->dev;
773 config.driver_data = pdata;
774 config.regmap = rk808->regmap;
775
776 /* Instantiate the regulators */
777 for (i = 0; i < nregulators; i++) {
778 rk808_rdev = devm_regulator_register(&pdev->dev,
779 ®ulators[i], &config);
780 if (IS_ERR(rk808_rdev)) {
781 dev_err(&client->dev,
782 "failed to register %d regulator\n", i);
783 return PTR_ERR(rk808_rdev);
784 }
785 }
786
787 return 0;
788}
789
790static struct platform_driver rk808_regulator_driver = {
791 .probe = rk808_regulator_probe,
792 .driver = {
793 .name = "rk808-regulator"
794 },
795};
796
797module_platform_driver(rk808_regulator_driver);
798
799MODULE_DESCRIPTION("regulator driver for the RK808/RK818 series PMICs");
800MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
801MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
802MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
803MODULE_LICENSE("GPL");
804MODULE_ALIAS("platform:rk808-regulator");