]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - drivers/regulator/rk808-regulator.c
projects / mirror_ubuntu-focal-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'i2c/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
[mirror_ubuntu-focal-kernel.git] / drivers / regulator / rk808-regulator.c
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
157 struct rk808_regulator_data {
158 struct gpio_desc *dvs_gpio[2];
159 };
160
161 static 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
168 static const struct regulator_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
175 static const struct regulator_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
204 static const struct regulator_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
211 static const struct regulator_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
218 static 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
241 static 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
290 static 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
328 static 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
343 static 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 */
372 static 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 10000\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
399 static 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
414 static int rk817_set_suspend_voltage(struct regulator_dev *rdev, int uv)
415 {
416 unsigned int reg;
417 int sel = regulator_map_voltage_linear(rdev, uv, uv);
418 /* only ldo1~ldo9 */
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
429 static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
430 {
431 unsigned int reg;
432 int sel = regulator_map_voltage_linear_range(rdev, uv, uv);
433
434 if (sel < 0)
435 return -EINVAL;
436
437 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
438
439 return regmap_update_bits(rdev->regmap, reg,
440 rdev->desc->vsel_mask,
441 sel);
442 }
443
444 static int rk805_set_suspend_enable(struct regulator_dev *rdev)
445 {
446 unsigned int reg;
447
448 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
449
450 return regmap_update_bits(rdev->regmap, reg,
451 rdev->desc->enable_mask,
452 rdev->desc->enable_mask);
453 }
454
455 static int rk805_set_suspend_disable(struct regulator_dev *rdev)
456 {
457 unsigned int reg;
458
459 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
460
461 return regmap_update_bits(rdev->regmap, reg,
462 rdev->desc->enable_mask,
463 0);
464 }
465
466 static int rk808_set_suspend_enable(struct regulator_dev *rdev)
467 {
468 unsigned int reg;
469
470 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
471
472 return regmap_update_bits(rdev->regmap, reg,
473 rdev->desc->enable_mask,
474 0);
475 }
476
477 static int rk808_set_suspend_disable(struct regulator_dev *rdev)
478 {
479 unsigned int reg;
480
481 reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
482
483 return regmap_update_bits(rdev->regmap, reg,
484 rdev->desc->enable_mask,
485 rdev->desc->enable_mask);
486 }
487
488 static int rk817_set_suspend_enable_ctrl(struct regulator_dev *rdev,
489 unsigned int en)
490 {
491 unsigned int reg;
492 int id = rdev_get_id(rdev);
493 unsigned int id_slp, msk, val;
494
495 if (id >= RK817_ID_DCDC1 && id <= RK817_ID_DCDC4)
496 id_slp = id;
497 else if (id >= RK817_ID_LDO1 && id <= RK817_ID_LDO8)
498 id_slp = 8 + (id - RK817_ID_LDO1);
499 else if (id >= RK817_ID_LDO9 && id <= RK809_ID_SW2)
500 id_slp = 4 + (id - RK817_ID_LDO9);
501 else
502 return -EINVAL;
503
504 reg = RK817_POWER_SLP_EN_REG(id_slp / 8);
505
506 msk = BIT(id_slp % 8);
507 if (en)
508 val = msk;
509 else
510 val = 0;
511
512 return regmap_update_bits(rdev->regmap, reg, msk, val);
513 }
514
515 static int rk817_set_suspend_enable(struct regulator_dev *rdev)
516 {
517 return rk817_set_suspend_enable_ctrl(rdev, 1);
518 }
519
520 static int rk817_set_suspend_disable(struct regulator_dev *rdev)
521 {
522 return rk817_set_suspend_enable_ctrl(rdev, 0);
523 }
524
525 static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode)
526 {
527 unsigned int reg;
528
529 reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
530
531 switch (mode) {
532 case REGULATOR_MODE_FAST:
533 return regmap_update_bits(rdev->regmap, reg,
534 PWM_MODE_MSK, FPWM_MODE);
535 case REGULATOR_MODE_NORMAL:
536 return regmap_update_bits(rdev->regmap, reg,
537 PWM_MODE_MSK, AUTO_PWM_MODE);
538 default:
539 dev_err(&rdev->dev, "do not support this mode\n");
540 return -EINVAL;
541 }
542
543 return 0;
544 }
545
546 static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode)
547 {
548 switch (mode) {
549 case REGULATOR_MODE_FAST:
550 return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
551 PWM_MODE_MSK, FPWM_MODE);
552 case REGULATOR_MODE_NORMAL:
553 return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
554 PWM_MODE_MSK, AUTO_PWM_MODE);
555 default:
556 dev_err(&rdev->dev, "do not support this mode\n");
557 return -EINVAL;
558 }
559
560 return 0;
561 }
562
563 static unsigned int rk8xx_get_mode(struct regulator_dev *rdev)
564 {
565 unsigned int val;
566 int err;
567
568 err = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
569 if (err)
570 return err;
571
572 if (val & FPWM_MODE)
573 return REGULATOR_MODE_FAST;
574 else
575 return REGULATOR_MODE_NORMAL;
576 }
577
578 static int rk8xx_is_enabled_wmsk_regmap(struct regulator_dev *rdev)
579 {
580 unsigned int val;
581 int ret;
582
583 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
584 if (ret != 0)
585 return ret;
586
587 /* add write mask bit */
588 val |= (rdev->desc->enable_mask & 0xf0);
589 val &= rdev->desc->enable_mask;
590
591 if (rdev->desc->enable_is_inverted) {
592 if (rdev->desc->enable_val)
593 return val != rdev->desc->enable_val;
594 return (val == 0);
595 }
596 if (rdev->desc->enable_val)
597 return val == rdev->desc->enable_val;
598 return val != 0;
599 }
600
601 static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode)
602 {
603 switch (mode) {
604 case 1:
605 return REGULATOR_MODE_FAST;
606 case 2:
607 return REGULATOR_MODE_NORMAL;
608 default:
609 return REGULATOR_MODE_INVALID;
610 }
611 }
612
613 static const struct regulator_ops rk805_reg_ops = {
614 .list_voltage = regulator_list_voltage_linear,
615 .map_voltage = regulator_map_voltage_linear,
616 .get_voltage_sel = regulator_get_voltage_sel_regmap,
617 .set_voltage_sel = regulator_set_voltage_sel_regmap,
618 .enable = regulator_enable_regmap,
619 .disable = regulator_disable_regmap,
620 .is_enabled = regulator_is_enabled_regmap,
621 .set_suspend_voltage = rk808_set_suspend_voltage,
622 .set_suspend_enable = rk805_set_suspend_enable,
623 .set_suspend_disable = rk805_set_suspend_disable,
624 };
625
626 static const struct regulator_ops rk805_switch_ops = {
627 .enable = regulator_enable_regmap,
628 .disable = regulator_disable_regmap,
629 .is_enabled = regulator_is_enabled_regmap,
630 .set_suspend_enable = rk805_set_suspend_enable,
631 .set_suspend_disable = rk805_set_suspend_disable,
632 };
633
634 static const struct regulator_ops rk808_buck1_2_ops = {
635 .list_voltage = regulator_list_voltage_linear,
636 .map_voltage = regulator_map_voltage_linear,
637 .get_voltage_sel = rk808_buck1_2_get_voltage_sel_regmap,
638 .set_voltage_sel = rk808_buck1_2_set_voltage_sel,
639 .set_voltage_time_sel = rk808_buck1_2_set_voltage_time_sel,
640 .enable = regulator_enable_regmap,
641 .disable = regulator_disable_regmap,
642 .is_enabled = regulator_is_enabled_regmap,
643 .set_ramp_delay = rk808_set_ramp_delay,
644 .set_suspend_voltage = rk808_set_suspend_voltage,
645 .set_suspend_enable = rk808_set_suspend_enable,
646 .set_suspend_disable = rk808_set_suspend_disable,
647 };
648
649 static const struct regulator_ops rk808_reg_ops = {
650 .list_voltage = regulator_list_voltage_linear,
651 .map_voltage = regulator_map_voltage_linear,
652 .get_voltage_sel = regulator_get_voltage_sel_regmap,
653 .set_voltage_sel = regulator_set_voltage_sel_regmap,
654 .enable = regulator_enable_regmap,
655 .disable = regulator_disable_regmap,
656 .is_enabled = regulator_is_enabled_regmap,
657 .set_suspend_voltage = rk808_set_suspend_voltage,
658 .set_suspend_enable = rk808_set_suspend_enable,
659 .set_suspend_disable = rk808_set_suspend_disable,
660 };
661
662 static const struct regulator_ops rk808_reg_ops_ranges = {
663 .list_voltage = regulator_list_voltage_linear_range,
664 .map_voltage = regulator_map_voltage_linear_range,
665 .get_voltage_sel = regulator_get_voltage_sel_regmap,
666 .set_voltage_sel = regulator_set_voltage_sel_regmap,
667 .enable = regulator_enable_regmap,
668 .disable = regulator_disable_regmap,
669 .is_enabled = regulator_is_enabled_regmap,
670 .set_suspend_voltage = rk808_set_suspend_voltage_range,
671 .set_suspend_enable = rk808_set_suspend_enable,
672 .set_suspend_disable = rk808_set_suspend_disable,
673 };
674
675 static const struct regulator_ops rk808_switch_ops = {
676 .enable = regulator_enable_regmap,
677 .disable = regulator_disable_regmap,
678 .is_enabled = regulator_is_enabled_regmap,
679 .set_suspend_enable = rk808_set_suspend_enable,
680 .set_suspend_disable = rk808_set_suspend_disable,
681 };
682
683 static const struct regulator_linear_range rk805_buck_1_2_voltage_ranges[] = {
684 REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
685 REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
686 REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
687 };
688
689 static struct regulator_ops rk809_buck5_ops_range = {
690 .list_voltage = regulator_list_voltage_linear_range,
691 .map_voltage = regulator_map_voltage_linear_range,
692 .get_voltage_sel = regulator_get_voltage_sel_regmap,
693 .set_voltage_sel = regulator_set_voltage_sel_regmap,
694 .set_voltage_time_sel = regulator_set_voltage_time_sel,
695 .enable = regulator_enable_regmap,
696 .disable = regulator_disable_regmap,
697 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
698 .set_suspend_voltage = rk808_set_suspend_voltage_range,
699 .set_suspend_enable = rk817_set_suspend_enable,
700 .set_suspend_disable = rk817_set_suspend_disable,
701 };
702
703 static struct regulator_ops rk817_reg_ops = {
704 .list_voltage = regulator_list_voltage_linear,
705 .map_voltage = regulator_map_voltage_linear,
706 .get_voltage_sel = regulator_get_voltage_sel_regmap,
707 .set_voltage_sel = regulator_set_voltage_sel_regmap,
708 .enable = regulator_enable_regmap,
709 .disable = regulator_disable_regmap,
710 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
711 .set_suspend_voltage = rk817_set_suspend_voltage,
712 .set_suspend_enable = rk817_set_suspend_enable,
713 .set_suspend_disable = rk817_set_suspend_disable,
714 };
715
716 static struct regulator_ops rk817_boost_ops = {
717 .list_voltage = regulator_list_voltage_linear,
718 .map_voltage = regulator_map_voltage_linear,
719 .get_voltage_sel = regulator_get_voltage_sel_regmap,
720 .set_voltage_sel = regulator_set_voltage_sel_regmap,
721 .enable = regulator_enable_regmap,
722 .disable = regulator_disable_regmap,
723 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
724 .set_suspend_enable = rk817_set_suspend_enable,
725 .set_suspend_disable = rk817_set_suspend_disable,
726 };
727
728 static struct regulator_ops rk817_buck_ops_range = {
729 .list_voltage = regulator_list_voltage_linear_range,
730 .map_voltage = regulator_map_voltage_linear_range,
731 .get_voltage_sel = regulator_get_voltage_sel_regmap,
732 .set_voltage_sel = regulator_set_voltage_sel_regmap,
733 .set_voltage_time_sel = regulator_set_voltage_time_sel,
734 .enable = regulator_enable_regmap,
735 .disable = regulator_disable_regmap,
736 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
737 .set_mode = rk8xx_set_mode,
738 .get_mode = rk8xx_get_mode,
739 .set_suspend_mode = rk8xx_set_suspend_mode,
740 .set_ramp_delay = rk817_set_ramp_delay,
741 .set_suspend_voltage = rk808_set_suspend_voltage_range,
742 .set_suspend_enable = rk817_set_suspend_enable,
743 .set_suspend_disable = rk817_set_suspend_disable,
744 };
745
746 static struct regulator_ops rk817_switch_ops = {
747 .enable = regulator_enable_regmap,
748 .disable = regulator_disable_regmap,
749 .is_enabled = rk8xx_is_enabled_wmsk_regmap,
750 .set_suspend_enable = rk817_set_suspend_enable,
751 .set_suspend_disable = rk817_set_suspend_disable,
752 };
753
754 static const struct regulator_desc rk805_reg[] = {
755 {
756 .name = "DCDC_REG1",
757 .supply_name = "vcc1",
758 .of_match = of_match_ptr("DCDC_REG1"),
759 .regulators_node = of_match_ptr("regulators"),
760 .id = RK805_ID_DCDC1,
761 .ops = &rk808_reg_ops_ranges,
762 .type = REGULATOR_VOLTAGE,
763 .n_voltages = 64,
764 .linear_ranges = rk805_buck_1_2_voltage_ranges,
765 .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
766 .vsel_reg = RK805_BUCK1_ON_VSEL_REG,
767 .vsel_mask = RK818_BUCK_VSEL_MASK,
768 .enable_reg = RK805_DCDC_EN_REG,
769 .enable_mask = BIT(0),
770 .owner = THIS_MODULE,
771 }, {
772 .name = "DCDC_REG2",
773 .supply_name = "vcc2",
774 .of_match = of_match_ptr("DCDC_REG2"),
775 .regulators_node = of_match_ptr("regulators"),
776 .id = RK805_ID_DCDC2,
777 .ops = &rk808_reg_ops_ranges,
778 .type = REGULATOR_VOLTAGE,
779 .n_voltages = 64,
780 .linear_ranges = rk805_buck_1_2_voltage_ranges,
781 .n_linear_ranges = ARRAY_SIZE(rk805_buck_1_2_voltage_ranges),
782 .vsel_reg = RK805_BUCK2_ON_VSEL_REG,
783 .vsel_mask = RK818_BUCK_VSEL_MASK,
784 .enable_reg = RK805_DCDC_EN_REG,
785 .enable_mask = BIT(1),
786 .owner = THIS_MODULE,
787 }, {
788 .name = "DCDC_REG3",
789 .supply_name = "vcc3",
790 .of_match = of_match_ptr("DCDC_REG3"),
791 .regulators_node = of_match_ptr("regulators"),
792 .id = RK805_ID_DCDC3,
793 .ops = &rk805_switch_ops,
794 .type = REGULATOR_VOLTAGE,
795 .n_voltages = 1,
796 .enable_reg = RK805_DCDC_EN_REG,
797 .enable_mask = BIT(2),
798 .owner = THIS_MODULE,
799 },
800
801 RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
802 RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
803 RK805_DCDC_EN_REG, BIT(3), 0),
804
805 RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
806 RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
807 BIT(0), 400),
808 RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
809 RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
810 BIT(1), 400),
811 RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
812 RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
813 BIT(2), 400),
814 };
815
816 static const struct regulator_desc rk808_reg[] = {
817 {
818 .name = "DCDC_REG1",
819 .supply_name = "vcc1",
820 .of_match = of_match_ptr("DCDC_REG1"),
821 .regulators_node = of_match_ptr("regulators"),
822 .id = RK808_ID_DCDC1,
823 .ops = &rk808_buck1_2_ops,
824 .type = REGULATOR_VOLTAGE,
825 .min_uV = 712500,
826 .uV_step = 12500,
827 .n_voltages = 64,
828 .vsel_reg = RK808_BUCK1_ON_VSEL_REG,
829 .vsel_mask = RK808_BUCK_VSEL_MASK,
830 .enable_reg = RK808_DCDC_EN_REG,
831 .enable_mask = BIT(0),
832 .owner = THIS_MODULE,
833 }, {
834 .name = "DCDC_REG2",
835 .supply_name = "vcc2",
836 .of_match = of_match_ptr("DCDC_REG2"),
837 .regulators_node = of_match_ptr("regulators"),
838 .id = RK808_ID_DCDC2,
839 .ops = &rk808_buck1_2_ops,
840 .type = REGULATOR_VOLTAGE,
841 .min_uV = 712500,
842 .uV_step = 12500,
843 .n_voltages = 64,
844 .vsel_reg = RK808_BUCK2_ON_VSEL_REG,
845 .vsel_mask = RK808_BUCK_VSEL_MASK,
846 .enable_reg = RK808_DCDC_EN_REG,
847 .enable_mask = BIT(1),
848 .owner = THIS_MODULE,
849 }, {
850 .name = "DCDC_REG3",
851 .supply_name = "vcc3",
852 .of_match = of_match_ptr("DCDC_REG3"),
853 .regulators_node = of_match_ptr("regulators"),
854 .id = RK808_ID_DCDC3,
855 .ops = &rk808_switch_ops,
856 .type = REGULATOR_VOLTAGE,
857 .n_voltages = 1,
858 .enable_reg = RK808_DCDC_EN_REG,
859 .enable_mask = BIT(2),
860 .owner = THIS_MODULE,
861 },
862 RK8XX_DESC(RK808_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3300, 100,
863 RK808_BUCK4_ON_VSEL_REG, RK808_BUCK4_VSEL_MASK,
864 RK808_DCDC_EN_REG, BIT(3), 0),
865 RK8XX_DESC(RK808_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
866 RK808_LDO1_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
867 BIT(0), 400),
868 RK8XX_DESC(RK808_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
869 RK808_LDO2_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
870 BIT(1), 400),
871 {
872 .name = "LDO_REG3",
873 .supply_name = "vcc7",
874 .of_match = of_match_ptr("LDO_REG3"),
875 .regulators_node = of_match_ptr("regulators"),
876 .id = RK808_ID_LDO3,
877 .ops = &rk808_reg_ops_ranges,
878 .type = REGULATOR_VOLTAGE,
879 .n_voltages = 16,
880 .linear_ranges = rk808_ldo3_voltage_ranges,
881 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
882 .vsel_reg = RK808_LDO3_ON_VSEL_REG,
883 .vsel_mask = RK808_BUCK4_VSEL_MASK,
884 .enable_reg = RK808_LDO_EN_REG,
885 .enable_mask = BIT(2),
886 .enable_time = 400,
887 .owner = THIS_MODULE,
888 },
889 RK8XX_DESC(RK808_ID_LDO4, "LDO_REG4", "vcc9", 1800, 3400, 100,
890 RK808_LDO4_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
891 BIT(3), 400),
892 RK8XX_DESC(RK808_ID_LDO5, "LDO_REG5", "vcc9", 1800, 3400, 100,
893 RK808_LDO5_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
894 BIT(4), 400),
895 RK8XX_DESC(RK808_ID_LDO6, "LDO_REG6", "vcc10", 800, 2500, 100,
896 RK808_LDO6_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
897 BIT(5), 400),
898 RK8XX_DESC(RK808_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
899 RK808_LDO7_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
900 BIT(6), 400),
901 RK8XX_DESC(RK808_ID_LDO8, "LDO_REG8", "vcc11", 1800, 3400, 100,
902 RK808_LDO8_ON_VSEL_REG, RK808_LDO_VSEL_MASK, RK808_LDO_EN_REG,
903 BIT(7), 400),
904 RK8XX_DESC_SWITCH(RK808_ID_SWITCH1, "SWITCH_REG1", "vcc8",
905 RK808_DCDC_EN_REG, BIT(5)),
906 RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
907 RK808_DCDC_EN_REG, BIT(6)),
908 };
909
910 static const struct regulator_desc rk809_reg[] = {
911 {
912 .name = "DCDC_REG1",
913 .supply_name = "vcc1",
914 .of_match = of_match_ptr("DCDC_REG1"),
915 .regulators_node = of_match_ptr("regulators"),
916 .id = RK817_ID_DCDC1,
917 .ops = &rk817_buck_ops_range,
918 .type = REGULATOR_VOLTAGE,
919 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
920 .linear_ranges = rk817_buck1_voltage_ranges,
921 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
922 .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
923 .vsel_mask = RK817_BUCK_VSEL_MASK,
924 .enable_reg = RK817_POWER_EN_REG(0),
925 .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
926 .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
927 .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
928 .of_map_mode = rk8xx_regulator_of_map_mode,
929 .owner = THIS_MODULE,
930 }, {
931 .name = "DCDC_REG2",
932 .supply_name = "vcc2",
933 .of_match = of_match_ptr("DCDC_REG2"),
934 .regulators_node = of_match_ptr("regulators"),
935 .id = RK817_ID_DCDC2,
936 .ops = &rk817_buck_ops_range,
937 .type = REGULATOR_VOLTAGE,
938 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
939 .linear_ranges = rk817_buck1_voltage_ranges,
940 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
941 .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
942 .vsel_mask = RK817_BUCK_VSEL_MASK,
943 .enable_reg = RK817_POWER_EN_REG(0),
944 .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
945 .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
946 .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
947 .of_map_mode = rk8xx_regulator_of_map_mode,
948 .owner = THIS_MODULE,
949 }, {
950 .name = "DCDC_REG3",
951 .supply_name = "vcc3",
952 .of_match = of_match_ptr("DCDC_REG3"),
953 .regulators_node = of_match_ptr("regulators"),
954 .id = RK817_ID_DCDC3,
955 .ops = &rk817_buck_ops_range,
956 .type = REGULATOR_VOLTAGE,
957 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
958 .linear_ranges = rk817_buck1_voltage_ranges,
959 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
960 .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
961 .vsel_mask = RK817_BUCK_VSEL_MASK,
962 .enable_reg = RK817_POWER_EN_REG(0),
963 .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
964 .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
965 .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
966 .of_map_mode = rk8xx_regulator_of_map_mode,
967 .owner = THIS_MODULE,
968 }, {
969 .name = "DCDC_REG4",
970 .supply_name = "vcc4",
971 .of_match = of_match_ptr("DCDC_REG4"),
972 .regulators_node = of_match_ptr("regulators"),
973 .id = RK817_ID_DCDC4,
974 .ops = &rk817_buck_ops_range,
975 .type = REGULATOR_VOLTAGE,
976 .n_voltages = RK817_BUCK3_SEL_CNT + 1,
977 .linear_ranges = rk817_buck3_voltage_ranges,
978 .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
979 .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
980 .vsel_mask = RK817_BUCK_VSEL_MASK,
981 .enable_reg = RK817_POWER_EN_REG(0),
982 .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
983 .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
984 .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
985 .of_map_mode = rk8xx_regulator_of_map_mode,
986 .owner = THIS_MODULE,
987 },
988 {
989 .name = "DCDC_REG5",
990 .supply_name = "vcc9",
991 .of_match = of_match_ptr("DCDC_REG5"),
992 .regulators_node = of_match_ptr("regulators"),
993 .id = RK809_ID_DCDC5,
994 .ops = &rk809_buck5_ops_range,
995 .type = REGULATOR_VOLTAGE,
996 .n_voltages = RK809_BUCK5_SEL_CNT,
997 .linear_ranges = rk809_buck5_voltage_ranges,
998 .n_linear_ranges = ARRAY_SIZE(rk809_buck5_voltage_ranges),
999 .vsel_reg = RK809_BUCK5_CONFIG(0),
1000 .vsel_mask = RK809_BUCK5_VSEL_MASK,
1001 .enable_reg = RK817_POWER_EN_REG(3),
1002 .enable_mask = ENABLE_MASK(1),
1003 .enable_val = ENABLE_MASK(1),
1004 .disable_val = DISABLE_VAL(1),
1005 .of_map_mode = rk8xx_regulator_of_map_mode,
1006 .owner = THIS_MODULE,
1007 },
1008 RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
1009 RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
1010 RK817_POWER_EN_REG(1), ENABLE_MASK(0),
1011 DISABLE_VAL(0), 400),
1012 RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
1013 RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
1014 RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1015 DISABLE_VAL(1), 400),
1016 RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1017 RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1018 RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1019 DISABLE_VAL(2), 400),
1020 RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1021 RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1022 RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1023 DISABLE_VAL(3), 400),
1024 RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1025 RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1026 RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1027 DISABLE_VAL(0), 400),
1028 RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1029 RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1030 RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1031 DISABLE_VAL(1), 400),
1032 RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1033 RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1034 RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1035 DISABLE_VAL(2), 400),
1036 RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1037 RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1038 RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1039 DISABLE_VAL(3), 400),
1040 RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1041 RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1042 RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1043 DISABLE_VAL(0), 400),
1044 RK817_DESC_SWITCH(RK809_ID_SW1, "SWITCH_REG1", "vcc9",
1045 RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1046 DISABLE_VAL(2)),
1047 RK817_DESC_SWITCH(RK809_ID_SW2, "SWITCH_REG2", "vcc8",
1048 RK817_POWER_EN_REG(3), ENABLE_MASK(3),
1049 DISABLE_VAL(3)),
1050 };
1051
1052 static const struct regulator_desc rk817_reg[] = {
1053 {
1054 .name = "DCDC_REG1",
1055 .supply_name = "vcc1",
1056 .of_match = of_match_ptr("DCDC_REG1"),
1057 .regulators_node = of_match_ptr("regulators"),
1058 .id = RK817_ID_DCDC1,
1059 .ops = &rk817_buck_ops_range,
1060 .type = REGULATOR_VOLTAGE,
1061 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1062 .linear_ranges = rk817_buck1_voltage_ranges,
1063 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1064 .vsel_reg = RK817_BUCK1_ON_VSEL_REG,
1065 .vsel_mask = RK817_BUCK_VSEL_MASK,
1066 .enable_reg = RK817_POWER_EN_REG(0),
1067 .enable_mask = ENABLE_MASK(RK817_ID_DCDC1),
1068 .enable_val = ENABLE_MASK(RK817_ID_DCDC1),
1069 .disable_val = DISABLE_VAL(RK817_ID_DCDC1),
1070 .of_map_mode = rk8xx_regulator_of_map_mode,
1071 .owner = THIS_MODULE,
1072 }, {
1073 .name = "DCDC_REG2",
1074 .supply_name = "vcc2",
1075 .of_match = of_match_ptr("DCDC_REG2"),
1076 .regulators_node = of_match_ptr("regulators"),
1077 .id = RK817_ID_DCDC2,
1078 .ops = &rk817_buck_ops_range,
1079 .type = REGULATOR_VOLTAGE,
1080 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1081 .linear_ranges = rk817_buck1_voltage_ranges,
1082 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1083 .vsel_reg = RK817_BUCK2_ON_VSEL_REG,
1084 .vsel_mask = RK817_BUCK_VSEL_MASK,
1085 .enable_reg = RK817_POWER_EN_REG(0),
1086 .enable_mask = ENABLE_MASK(RK817_ID_DCDC2),
1087 .enable_val = ENABLE_MASK(RK817_ID_DCDC2),
1088 .disable_val = DISABLE_VAL(RK817_ID_DCDC2),
1089 .of_map_mode = rk8xx_regulator_of_map_mode,
1090 .owner = THIS_MODULE,
1091 }, {
1092 .name = "DCDC_REG3",
1093 .supply_name = "vcc3",
1094 .of_match = of_match_ptr("DCDC_REG3"),
1095 .regulators_node = of_match_ptr("regulators"),
1096 .id = RK817_ID_DCDC3,
1097 .ops = &rk817_buck_ops_range,
1098 .type = REGULATOR_VOLTAGE,
1099 .n_voltages = RK817_BUCK1_SEL_CNT + 1,
1100 .linear_ranges = rk817_buck1_voltage_ranges,
1101 .n_linear_ranges = ARRAY_SIZE(rk817_buck1_voltage_ranges),
1102 .vsel_reg = RK817_BUCK3_ON_VSEL_REG,
1103 .vsel_mask = RK817_BUCK_VSEL_MASK,
1104 .enable_reg = RK817_POWER_EN_REG(0),
1105 .enable_mask = ENABLE_MASK(RK817_ID_DCDC3),
1106 .enable_val = ENABLE_MASK(RK817_ID_DCDC3),
1107 .disable_val = DISABLE_VAL(RK817_ID_DCDC3),
1108 .of_map_mode = rk8xx_regulator_of_map_mode,
1109 .owner = THIS_MODULE,
1110 }, {
1111 .name = "DCDC_REG4",
1112 .supply_name = "vcc4",
1113 .of_match = of_match_ptr("DCDC_REG4"),
1114 .regulators_node = of_match_ptr("regulators"),
1115 .id = RK817_ID_DCDC4,
1116 .ops = &rk817_buck_ops_range,
1117 .type = REGULATOR_VOLTAGE,
1118 .n_voltages = RK817_BUCK3_SEL_CNT + 1,
1119 .linear_ranges = rk817_buck3_voltage_ranges,
1120 .n_linear_ranges = ARRAY_SIZE(rk817_buck3_voltage_ranges),
1121 .vsel_reg = RK817_BUCK4_ON_VSEL_REG,
1122 .vsel_mask = RK817_BUCK_VSEL_MASK,
1123 .enable_reg = RK817_POWER_EN_REG(0),
1124 .enable_mask = ENABLE_MASK(RK817_ID_DCDC4),
1125 .enable_val = ENABLE_MASK(RK817_ID_DCDC4),
1126 .disable_val = DISABLE_VAL(RK817_ID_DCDC4),
1127 .of_map_mode = rk8xx_regulator_of_map_mode,
1128 .owner = THIS_MODULE,
1129 },
1130 RK817_DESC(RK817_ID_LDO1, "LDO_REG1", "vcc5", 600, 3400, 25,
1131 RK817_LDO_ON_VSEL_REG(0), RK817_LDO_VSEL_MASK,
1132 RK817_POWER_EN_REG(1), ENABLE_MASK(0),
1133 DISABLE_VAL(0), 400),
1134 RK817_DESC(RK817_ID_LDO2, "LDO_REG2", "vcc5", 600, 3400, 25,
1135 RK817_LDO_ON_VSEL_REG(1), RK817_LDO_VSEL_MASK,
1136 RK817_POWER_EN_REG(1), ENABLE_MASK(1),
1137 DISABLE_VAL(1), 400),
1138 RK817_DESC(RK817_ID_LDO3, "LDO_REG3", "vcc5", 600, 3400, 25,
1139 RK817_LDO_ON_VSEL_REG(2), RK817_LDO_VSEL_MASK,
1140 RK817_POWER_EN_REG(1), ENABLE_MASK(2),
1141 DISABLE_VAL(2), 400),
1142 RK817_DESC(RK817_ID_LDO4, "LDO_REG4", "vcc6", 600, 3400, 25,
1143 RK817_LDO_ON_VSEL_REG(3), RK817_LDO_VSEL_MASK,
1144 RK817_POWER_EN_REG(1), ENABLE_MASK(3),
1145 DISABLE_VAL(3), 400),
1146 RK817_DESC(RK817_ID_LDO5, "LDO_REG5", "vcc6", 600, 3400, 25,
1147 RK817_LDO_ON_VSEL_REG(4), RK817_LDO_VSEL_MASK,
1148 RK817_POWER_EN_REG(2), ENABLE_MASK(0),
1149 DISABLE_VAL(0), 400),
1150 RK817_DESC(RK817_ID_LDO6, "LDO_REG6", "vcc6", 600, 3400, 25,
1151 RK817_LDO_ON_VSEL_REG(5), RK817_LDO_VSEL_MASK,
1152 RK817_POWER_EN_REG(2), ENABLE_MASK(1),
1153 DISABLE_VAL(1), 400),
1154 RK817_DESC(RK817_ID_LDO7, "LDO_REG7", "vcc7", 600, 3400, 25,
1155 RK817_LDO_ON_VSEL_REG(6), RK817_LDO_VSEL_MASK,
1156 RK817_POWER_EN_REG(2), ENABLE_MASK(2),
1157 DISABLE_VAL(2), 400),
1158 RK817_DESC(RK817_ID_LDO8, "LDO_REG8", "vcc7", 600, 3400, 25,
1159 RK817_LDO_ON_VSEL_REG(7), RK817_LDO_VSEL_MASK,
1160 RK817_POWER_EN_REG(2), ENABLE_MASK(3),
1161 DISABLE_VAL(3), 400),
1162 RK817_DESC(RK817_ID_LDO9, "LDO_REG9", "vcc7", 600, 3400, 25,
1163 RK817_LDO_ON_VSEL_REG(8), RK817_LDO_VSEL_MASK,
1164 RK817_POWER_EN_REG(3), ENABLE_MASK(0),
1165 DISABLE_VAL(0), 400),
1166 RK817_BOOST_DESC(RK817_ID_BOOST, "BOOST", "vcc8", 4700, 5400, 100,
1167 RK817_BOOST_OTG_CFG, RK817_BOOST_VSEL_MASK,
1168 RK817_POWER_EN_REG(3), ENABLE_MASK(1), ENABLE_MASK(1),
1169 DISABLE_VAL(1), 400, 3500 - 5400),
1170 RK817_DESC_SWITCH(RK817_ID_BOOST_OTG_SW, "OTG_SWITCH", "vcc9",
1171 RK817_POWER_EN_REG(3), ENABLE_MASK(2),
1172 DISABLE_VAL(2)),
1173 };
1174
1175 static const struct regulator_desc rk818_reg[] = {
1176 {
1177 .name = "DCDC_REG1",
1178 .supply_name = "vcc1",
1179 .of_match = of_match_ptr("DCDC_REG1"),
1180 .regulators_node = of_match_ptr("regulators"),
1181 .id = RK818_ID_DCDC1,
1182 .ops = &rk808_reg_ops,
1183 .type = REGULATOR_VOLTAGE,
1184 .min_uV = 712500,
1185 .uV_step = 12500,
1186 .n_voltages = 64,
1187 .vsel_reg = RK818_BUCK1_ON_VSEL_REG,
1188 .vsel_mask = RK818_BUCK_VSEL_MASK,
1189 .enable_reg = RK818_DCDC_EN_REG,
1190 .enable_mask = BIT(0),
1191 .owner = THIS_MODULE,
1192 }, {
1193 .name = "DCDC_REG2",
1194 .supply_name = "vcc2",
1195 .of_match = of_match_ptr("DCDC_REG2"),
1196 .regulators_node = of_match_ptr("regulators"),
1197 .id = RK818_ID_DCDC2,
1198 .ops = &rk808_reg_ops,
1199 .type = REGULATOR_VOLTAGE,
1200 .min_uV = 712500,
1201 .uV_step = 12500,
1202 .n_voltages = 64,
1203 .vsel_reg = RK818_BUCK2_ON_VSEL_REG,
1204 .vsel_mask = RK818_BUCK_VSEL_MASK,
1205 .enable_reg = RK818_DCDC_EN_REG,
1206 .enable_mask = BIT(1),
1207 .owner = THIS_MODULE,
1208 }, {
1209 .name = "DCDC_REG3",
1210 .supply_name = "vcc3",
1211 .of_match = of_match_ptr("DCDC_REG3"),
1212 .regulators_node = of_match_ptr("regulators"),
1213 .id = RK818_ID_DCDC3,
1214 .ops = &rk808_switch_ops,
1215 .type = REGULATOR_VOLTAGE,
1216 .n_voltages = 1,
1217 .enable_reg = RK818_DCDC_EN_REG,
1218 .enable_mask = BIT(2),
1219 .owner = THIS_MODULE,
1220 },
1221 RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
1222 RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
1223 RK818_DCDC_EN_REG, BIT(3), 0),
1224 RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
1225 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
1226 RK818_DCDC_EN_REG, BIT(4), 0),
1227 RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
1228 RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1229 BIT(0), 400),
1230 RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
1231 RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1232 BIT(1), 400),
1233 {
1234 .name = "LDO_REG3",
1235 .supply_name = "vcc7",
1236 .of_match = of_match_ptr("LDO_REG3"),
1237 .regulators_node = of_match_ptr("regulators"),
1238 .id = RK818_ID_LDO3,
1239 .ops = &rk808_reg_ops_ranges,
1240 .type = REGULATOR_VOLTAGE,
1241 .n_voltages = 16,
1242 .linear_ranges = rk808_ldo3_voltage_ranges,
1243 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
1244 .vsel_reg = RK818_LDO3_ON_VSEL_REG,
1245 .vsel_mask = RK818_LDO3_ON_VSEL_MASK,
1246 .enable_reg = RK818_LDO_EN_REG,
1247 .enable_mask = BIT(2),
1248 .enable_time = 400,
1249 .owner = THIS_MODULE,
1250 },
1251 RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
1252 RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1253 BIT(3), 400),
1254 RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
1255 RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1256 BIT(4), 400),
1257 RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
1258 RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1259 BIT(5), 400),
1260 RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
1261 RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1262 BIT(6), 400),
1263 RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
1264 RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
1265 BIT(7), 400),
1266 RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
1267 RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
1268 RK818_DCDC_EN_REG, BIT(5), 400),
1269 RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
1270 RK818_DCDC_EN_REG, BIT(6)),
1271 RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
1272 RK818_H5V_EN_REG, BIT(0)),
1273 RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
1274 RK818_DCDC_EN_REG, BIT(7)),
1275 };
1276
1277 static int rk808_regulator_dt_parse_pdata(struct device *dev,
1278 struct device *client_dev,
1279 struct regmap *map,
1280 struct rk808_regulator_data *pdata)
1281 {
1282 struct device_node *np;
1283 int tmp, ret = 0, i;
1284
1285 np = of_get_child_by_name(client_dev->of_node, "regulators");
1286 if (!np)
1287 return -ENXIO;
1288
1289 for (i = 0; i < ARRAY_SIZE(pdata->dvs_gpio); i++) {
1290 pdata->dvs_gpio[i] =
1291 devm_gpiod_get_index_optional(client_dev, "dvs", i,
1292 GPIOD_OUT_LOW);
1293 if (IS_ERR(pdata->dvs_gpio[i])) {
1294 ret = PTR_ERR(pdata->dvs_gpio[i]);
1295 dev_err(dev, "failed to get dvs%d gpio (%d)\n", i, ret);
1296 goto dt_parse_end;
1297 }
1298
1299 if (!pdata->dvs_gpio[i]) {
1300 dev_warn(dev, "there is no dvs%d gpio\n", i);
1301 continue;
1302 }
1303
1304 tmp = i ? RK808_DVS2_POL : RK808_DVS1_POL;
1305 ret = regmap_update_bits(map, RK808_IO_POL_REG, tmp,
1306 gpiod_is_active_low(pdata->dvs_gpio[i]) ?
1307 0 : tmp);
1308 }
1309
1310 dt_parse_end:
1311 of_node_put(np);
1312 return ret;
1313 }
1314
1315 static int rk808_regulator_probe(struct platform_device *pdev)
1316 {
1317 struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
1318 struct i2c_client *client = rk808->i2c;
1319 struct regulator_config config = {};
1320 struct regulator_dev *rk808_rdev;
1321 struct rk808_regulator_data *pdata;
1322 const struct regulator_desc *regulators;
1323 int ret, i, nregulators;
1324
1325 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
1326 if (!pdata)
1327 return -ENOMEM;
1328
1329 ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
1330 rk808->regmap, pdata);
1331 if (ret < 0)
1332 return ret;
1333
1334 platform_set_drvdata(pdev, pdata);
1335
1336 switch (rk808->variant) {
1337 case RK805_ID:
1338 regulators = rk805_reg;
1339 nregulators = RK805_NUM_REGULATORS;
1340 break;
1341 case RK808_ID:
1342 regulators = rk808_reg;
1343 nregulators = RK808_NUM_REGULATORS;
1344 break;
1345 case RK809_ID:
1346 regulators = rk809_reg;
1347 nregulators = RK809_NUM_REGULATORS;
1348 break;
1349 case RK817_ID:
1350 regulators = rk817_reg;
1351 nregulators = RK817_NUM_REGULATORS;
1352 break;
1353 case RK818_ID:
1354 regulators = rk818_reg;
1355 nregulators = RK818_NUM_REGULATORS;
1356 break;
1357 default:
1358 dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
1359 rk808->variant);
1360 return -EINVAL;
1361 }
1362
1363 config.dev = &client->dev;
1364 config.driver_data = pdata;
1365 config.regmap = rk808->regmap;
1366
1367 /* Instantiate the regulators */
1368 for (i = 0; i < nregulators; i++) {
1369 rk808_rdev = devm_regulator_register(&pdev->dev,
1370 &regulators[i], &config);
1371 if (IS_ERR(rk808_rdev)) {
1372 dev_err(&client->dev,
1373 "failed to register %d regulator\n", i);
1374 return PTR_ERR(rk808_rdev);
1375 }
1376 }
1377
1378 return 0;
1379 }
1380
1381 static struct platform_driver rk808_regulator_driver = {
1382 .probe = rk808_regulator_probe,
1383 .driver = {
1384 .name = "rk808-regulator"
1385 },
1386 };
1387
1388 module_platform_driver(rk808_regulator_driver);
1389
1390 MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK818 series PMICs");
1391 MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>");
1392 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
1393 MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
1394 MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
1395 MODULE_LICENSE("GPL");
1396 MODULE_ALIAS("platform:rk808-regulator");
Ubuntu Focal Linux kernel mirror