1 // SPDX-License-Identifier: GPL-2.0+
3 // Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
4 // http://www.samsung.com
8 #include <linux/gpio/consumer.h>
9 #include <linux/slab.h>
10 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <linux/platform_device.h>
14 #include <linux/regulator/driver.h>
15 #include <linux/regulator/machine.h>
16 #include <linux/regulator/of_regulator.h>
17 #include <linux/mfd/samsung/core.h>
18 #include <linux/mfd/samsung/s2mps11.h>
19 #include <linux/mfd/samsung/s2mps13.h>
20 #include <linux/mfd/samsung/s2mps14.h>
21 #include <linux/mfd/samsung/s2mps15.h>
22 #include <linux/mfd/samsung/s2mpu02.h>
24 /* The highest number of possible regulators for supported devices. */
25 #define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX
34 enum sec_device_type dev_type
;
37 * One bit for each S2MPS11/S2MPS13/S2MPS14/S2MPU02 regulator whether
38 * the suspend mode was enabled.
40 DECLARE_BITMAP(suspend_state
, S2MPS_REGULATOR_MAX
);
43 * Array (size: number of regulators) with GPIO-s for external
46 struct gpio_desc
**ext_control_gpiod
;
49 static int get_ramp_delay(int ramp_delay
)
51 unsigned char cnt
= 0;
56 ramp_delay
= ramp_delay
>> 1;
68 static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev
*rdev
,
69 unsigned int old_selector
,
70 unsigned int new_selector
)
72 struct s2mps11_info
*s2mps11
= rdev_get_drvdata(rdev
);
73 int rdev_id
= rdev_get_id(rdev
);
74 unsigned int ramp_delay
= 0;
75 int old_volt
, new_volt
;
79 ramp_delay
= s2mps11
->ramp_delay2
;
83 ramp_delay
= s2mps11
->ramp_delay34
;
86 ramp_delay
= s2mps11
->ramp_delay5
;
90 ramp_delay
= s2mps11
->ramp_delay16
;
95 ramp_delay
= s2mps11
->ramp_delay7810
;
98 ramp_delay
= s2mps11
->ramp_delay9
;
102 ramp_delay
= rdev
->desc
->ramp_delay
;
104 old_volt
= rdev
->desc
->min_uV
+ (rdev
->desc
->uV_step
* old_selector
);
105 new_volt
= rdev
->desc
->min_uV
+ (rdev
->desc
->uV_step
* new_selector
);
107 return DIV_ROUND_UP(abs(new_volt
- old_volt
), ramp_delay
);
110 static int s2mps11_set_ramp_delay(struct regulator_dev
*rdev
, int ramp_delay
)
112 struct s2mps11_info
*s2mps11
= rdev_get_drvdata(rdev
);
113 unsigned int ramp_val
, ramp_shift
, ramp_reg
= S2MPS11_REG_RAMP_BUCK
;
114 unsigned int ramp_enable
= 1, enable_shift
= 0;
115 int rdev_id
= rdev_get_id(rdev
);
120 if (ramp_delay
> s2mps11
->ramp_delay16
)
121 s2mps11
->ramp_delay16
= ramp_delay
;
123 ramp_delay
= s2mps11
->ramp_delay16
;
125 ramp_shift
= S2MPS11_BUCK16_RAMP_SHIFT
;
128 enable_shift
= S2MPS11_BUCK2_RAMP_EN_SHIFT
;
134 s2mps11
->ramp_delay2
= ramp_delay
;
135 ramp_shift
= S2MPS11_BUCK2_RAMP_SHIFT
;
136 ramp_reg
= S2MPS11_REG_RAMP
;
139 enable_shift
= S2MPS11_BUCK3_RAMP_EN_SHIFT
;
145 if (ramp_delay
> s2mps11
->ramp_delay34
)
146 s2mps11
->ramp_delay34
= ramp_delay
;
148 ramp_delay
= s2mps11
->ramp_delay34
;
150 ramp_shift
= S2MPS11_BUCK34_RAMP_SHIFT
;
151 ramp_reg
= S2MPS11_REG_RAMP
;
154 enable_shift
= S2MPS11_BUCK4_RAMP_EN_SHIFT
;
160 if (ramp_delay
> s2mps11
->ramp_delay34
)
161 s2mps11
->ramp_delay34
= ramp_delay
;
163 ramp_delay
= s2mps11
->ramp_delay34
;
165 ramp_shift
= S2MPS11_BUCK34_RAMP_SHIFT
;
166 ramp_reg
= S2MPS11_REG_RAMP
;
169 s2mps11
->ramp_delay5
= ramp_delay
;
170 ramp_shift
= S2MPS11_BUCK5_RAMP_SHIFT
;
173 enable_shift
= S2MPS11_BUCK6_RAMP_EN_SHIFT
;
179 if (ramp_delay
> s2mps11
->ramp_delay16
)
180 s2mps11
->ramp_delay16
= ramp_delay
;
182 ramp_delay
= s2mps11
->ramp_delay16
;
184 ramp_shift
= S2MPS11_BUCK16_RAMP_SHIFT
;
189 if (ramp_delay
> s2mps11
->ramp_delay7810
)
190 s2mps11
->ramp_delay7810
= ramp_delay
;
192 ramp_delay
= s2mps11
->ramp_delay7810
;
194 ramp_shift
= S2MPS11_BUCK7810_RAMP_SHIFT
;
197 s2mps11
->ramp_delay9
= ramp_delay
;
198 ramp_shift
= S2MPS11_BUCK9_RAMP_SHIFT
;
207 /* Ramp delay can be enabled/disabled only for buck[2346] */
208 if ((rdev_id
>= S2MPS11_BUCK2
&& rdev_id
<= S2MPS11_BUCK4
) ||
209 rdev_id
== S2MPS11_BUCK6
) {
210 ret
= regmap_update_bits(rdev
->regmap
, S2MPS11_REG_RAMP
,
211 1 << enable_shift
, 1 << enable_shift
);
213 dev_err(&rdev
->dev
, "failed to enable ramp rate\n");
218 ramp_val
= get_ramp_delay(ramp_delay
);
220 return regmap_update_bits(rdev
->regmap
, ramp_reg
, 0x3 << ramp_shift
,
221 ramp_val
<< ramp_shift
);
224 return regmap_update_bits(rdev
->regmap
, S2MPS11_REG_RAMP
,
225 1 << enable_shift
, 0);
228 static int s2mps11_regulator_enable(struct regulator_dev
*rdev
)
230 struct s2mps11_info
*s2mps11
= rdev_get_drvdata(rdev
);
231 int rdev_id
= rdev_get_id(rdev
);
234 switch (s2mps11
->dev_type
) {
236 if (test_bit(rdev_id
, s2mps11
->suspend_state
))
237 val
= S2MPS14_ENABLE_SUSPEND
;
239 val
= rdev
->desc
->enable_mask
;
243 if (test_bit(rdev_id
, s2mps11
->suspend_state
))
244 val
= S2MPS14_ENABLE_SUSPEND
;
245 else if (s2mps11
->ext_control_gpiod
[rdev_id
])
246 val
= S2MPS14_ENABLE_EXT_CONTROL
;
248 val
= rdev
->desc
->enable_mask
;
251 if (test_bit(rdev_id
, s2mps11
->suspend_state
))
252 val
= S2MPU02_ENABLE_SUSPEND
;
254 val
= rdev
->desc
->enable_mask
;
260 return regmap_update_bits(rdev
->regmap
, rdev
->desc
->enable_reg
,
261 rdev
->desc
->enable_mask
, val
);
264 static int s2mps11_regulator_set_suspend_disable(struct regulator_dev
*rdev
)
267 unsigned int val
, state
;
268 struct s2mps11_info
*s2mps11
= rdev_get_drvdata(rdev
);
269 int rdev_id
= rdev_get_id(rdev
);
271 /* Below LDO should be always on or does not support suspend mode. */
272 switch (s2mps11
->dev_type
) {
281 state
= S2MPS14_ENABLE_SUSPEND
;
291 state
= S2MPS14_ENABLE_SUSPEND
;
302 state
= S2MPU02_DISABLE_SUSPEND
;
305 state
= S2MPU02_ENABLE_SUSPEND
;
313 ret
= regmap_read(rdev
->regmap
, rdev
->desc
->enable_reg
, &val
);
317 set_bit(rdev_id
, s2mps11
->suspend_state
);
319 * Don't enable suspend mode if regulator is already disabled because
320 * this would effectively for a short time turn on the regulator after
322 * However we still want to toggle the suspend_state bit for regulator
323 * in case if it got enabled before suspending the system.
325 if (!(val
& rdev
->desc
->enable_mask
))
328 return regmap_update_bits(rdev
->regmap
, rdev
->desc
->enable_reg
,
329 rdev
->desc
->enable_mask
, state
);
332 static const struct regulator_ops s2mps11_ldo_ops
= {
333 .list_voltage
= regulator_list_voltage_linear
,
334 .map_voltage
= regulator_map_voltage_linear
,
335 .is_enabled
= regulator_is_enabled_regmap
,
336 .enable
= s2mps11_regulator_enable
,
337 .disable
= regulator_disable_regmap
,
338 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
339 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
340 .set_voltage_time_sel
= regulator_set_voltage_time_sel
,
341 .set_suspend_disable
= s2mps11_regulator_set_suspend_disable
,
344 static const struct regulator_ops s2mps11_buck_ops
= {
345 .list_voltage
= regulator_list_voltage_linear
,
346 .map_voltage
= regulator_map_voltage_linear
,
347 .is_enabled
= regulator_is_enabled_regmap
,
348 .enable
= s2mps11_regulator_enable
,
349 .disable
= regulator_disable_regmap
,
350 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
351 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
352 .set_voltage_time_sel
= s2mps11_regulator_set_voltage_time_sel
,
353 .set_ramp_delay
= s2mps11_set_ramp_delay
,
354 .set_suspend_disable
= s2mps11_regulator_set_suspend_disable
,
357 #define regulator_desc_s2mps11_ldo(num, step) { \
359 .id = S2MPS11_LDO##num, \
360 .ops = &s2mps11_ldo_ops, \
361 .type = REGULATOR_VOLTAGE, \
362 .owner = THIS_MODULE, \
363 .ramp_delay = RAMP_DELAY_12_MVUS, \
364 .min_uV = MIN_800_MV, \
366 .n_voltages = S2MPS11_LDO_N_VOLTAGES, \
367 .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \
368 .vsel_mask = S2MPS11_LDO_VSEL_MASK, \
369 .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \
370 .enable_mask = S2MPS11_ENABLE_MASK \
373 #define regulator_desc_s2mps11_buck1_4(num) { \
374 .name = "BUCK"#num, \
375 .id = S2MPS11_BUCK##num, \
376 .ops = &s2mps11_buck_ops, \
377 .type = REGULATOR_VOLTAGE, \
378 .owner = THIS_MODULE, \
379 .min_uV = MIN_650_MV, \
380 .uV_step = STEP_6_25_MV, \
381 .linear_min_sel = 8, \
382 .n_voltages = S2MPS11_BUCK12346_N_VOLTAGES, \
383 .ramp_delay = S2MPS11_RAMP_DELAY, \
384 .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \
385 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
386 .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \
387 .enable_mask = S2MPS11_ENABLE_MASK \
390 #define regulator_desc_s2mps11_buck5 { \
392 .id = S2MPS11_BUCK5, \
393 .ops = &s2mps11_buck_ops, \
394 .type = REGULATOR_VOLTAGE, \
395 .owner = THIS_MODULE, \
396 .min_uV = MIN_650_MV, \
397 .uV_step = STEP_6_25_MV, \
398 .linear_min_sel = 8, \
399 .n_voltages = S2MPS11_BUCK5_N_VOLTAGES, \
400 .ramp_delay = S2MPS11_RAMP_DELAY, \
401 .vsel_reg = S2MPS11_REG_B5CTRL2, \
402 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
403 .enable_reg = S2MPS11_REG_B5CTRL1, \
404 .enable_mask = S2MPS11_ENABLE_MASK \
407 #define regulator_desc_s2mps11_buck67810(num, min, step, min_sel, voltages) { \
408 .name = "BUCK"#num, \
409 .id = S2MPS11_BUCK##num, \
410 .ops = &s2mps11_buck_ops, \
411 .type = REGULATOR_VOLTAGE, \
412 .owner = THIS_MODULE, \
415 .linear_min_sel = min_sel, \
416 .n_voltages = voltages, \
417 .ramp_delay = S2MPS11_RAMP_DELAY, \
418 .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \
419 .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
420 .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \
421 .enable_mask = S2MPS11_ENABLE_MASK \
424 #define regulator_desc_s2mps11_buck9 { \
426 .id = S2MPS11_BUCK9, \
427 .ops = &s2mps11_buck_ops, \
428 .type = REGULATOR_VOLTAGE, \
429 .owner = THIS_MODULE, \
430 .min_uV = MIN_3000_MV, \
431 .uV_step = STEP_25_MV, \
432 .n_voltages = S2MPS11_BUCK9_N_VOLTAGES, \
433 .ramp_delay = S2MPS11_RAMP_DELAY, \
434 .vsel_reg = S2MPS11_REG_B9CTRL2, \
435 .vsel_mask = S2MPS11_BUCK9_VSEL_MASK, \
436 .enable_reg = S2MPS11_REG_B9CTRL1, \
437 .enable_mask = S2MPS11_ENABLE_MASK \
440 static const struct regulator_desc s2mps11_regulators
[] = {
441 regulator_desc_s2mps11_ldo(1, STEP_25_MV
),
442 regulator_desc_s2mps11_ldo(2, STEP_50_MV
),
443 regulator_desc_s2mps11_ldo(3, STEP_50_MV
),
444 regulator_desc_s2mps11_ldo(4, STEP_50_MV
),
445 regulator_desc_s2mps11_ldo(5, STEP_50_MV
),
446 regulator_desc_s2mps11_ldo(6, STEP_25_MV
),
447 regulator_desc_s2mps11_ldo(7, STEP_50_MV
),
448 regulator_desc_s2mps11_ldo(8, STEP_50_MV
),
449 regulator_desc_s2mps11_ldo(9, STEP_50_MV
),
450 regulator_desc_s2mps11_ldo(10, STEP_50_MV
),
451 regulator_desc_s2mps11_ldo(11, STEP_25_MV
),
452 regulator_desc_s2mps11_ldo(12, STEP_50_MV
),
453 regulator_desc_s2mps11_ldo(13, STEP_50_MV
),
454 regulator_desc_s2mps11_ldo(14, STEP_50_MV
),
455 regulator_desc_s2mps11_ldo(15, STEP_50_MV
),
456 regulator_desc_s2mps11_ldo(16, STEP_50_MV
),
457 regulator_desc_s2mps11_ldo(17, STEP_50_MV
),
458 regulator_desc_s2mps11_ldo(18, STEP_50_MV
),
459 regulator_desc_s2mps11_ldo(19, STEP_50_MV
),
460 regulator_desc_s2mps11_ldo(20, STEP_50_MV
),
461 regulator_desc_s2mps11_ldo(21, STEP_50_MV
),
462 regulator_desc_s2mps11_ldo(22, STEP_25_MV
),
463 regulator_desc_s2mps11_ldo(23, STEP_25_MV
),
464 regulator_desc_s2mps11_ldo(24, STEP_50_MV
),
465 regulator_desc_s2mps11_ldo(25, STEP_50_MV
),
466 regulator_desc_s2mps11_ldo(26, STEP_50_MV
),
467 regulator_desc_s2mps11_ldo(27, STEP_25_MV
),
468 regulator_desc_s2mps11_ldo(28, STEP_50_MV
),
469 regulator_desc_s2mps11_ldo(29, STEP_50_MV
),
470 regulator_desc_s2mps11_ldo(30, STEP_50_MV
),
471 regulator_desc_s2mps11_ldo(31, STEP_50_MV
),
472 regulator_desc_s2mps11_ldo(32, STEP_50_MV
),
473 regulator_desc_s2mps11_ldo(33, STEP_50_MV
),
474 regulator_desc_s2mps11_ldo(34, STEP_50_MV
),
475 regulator_desc_s2mps11_ldo(35, STEP_25_MV
),
476 regulator_desc_s2mps11_ldo(36, STEP_50_MV
),
477 regulator_desc_s2mps11_ldo(37, STEP_50_MV
),
478 regulator_desc_s2mps11_ldo(38, STEP_50_MV
),
479 regulator_desc_s2mps11_buck1_4(1),
480 regulator_desc_s2mps11_buck1_4(2),
481 regulator_desc_s2mps11_buck1_4(3),
482 regulator_desc_s2mps11_buck1_4(4),
483 regulator_desc_s2mps11_buck5
,
484 regulator_desc_s2mps11_buck67810(6, MIN_650_MV
, STEP_6_25_MV
, 8,
485 S2MPS11_BUCK12346_N_VOLTAGES
),
486 regulator_desc_s2mps11_buck67810(7, MIN_750_MV
, STEP_12_5_MV
, 0,
487 S2MPS11_BUCK7810_N_VOLTAGES
),
488 regulator_desc_s2mps11_buck67810(8, MIN_750_MV
, STEP_12_5_MV
, 0,
489 S2MPS11_BUCK7810_N_VOLTAGES
),
490 regulator_desc_s2mps11_buck9
,
491 regulator_desc_s2mps11_buck67810(10, MIN_750_MV
, STEP_12_5_MV
, 0,
492 S2MPS11_BUCK7810_N_VOLTAGES
),
495 static const struct regulator_ops s2mps14_reg_ops
;
497 #define regulator_desc_s2mps13_ldo(num, min, step, min_sel) { \
499 .id = S2MPS13_LDO##num, \
500 .ops = &s2mps14_reg_ops, \
501 .type = REGULATOR_VOLTAGE, \
502 .owner = THIS_MODULE, \
505 .linear_min_sel = min_sel, \
506 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \
507 .vsel_reg = S2MPS13_REG_L1CTRL + num - 1, \
508 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \
509 .enable_reg = S2MPS13_REG_L1CTRL + num - 1, \
510 .enable_mask = S2MPS14_ENABLE_MASK \
513 #define regulator_desc_s2mps13_buck(num, min, step, min_sel) { \
514 .name = "BUCK"#num, \
515 .id = S2MPS13_BUCK##num, \
516 .ops = &s2mps14_reg_ops, \
517 .type = REGULATOR_VOLTAGE, \
518 .owner = THIS_MODULE, \
521 .linear_min_sel = min_sel, \
522 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
523 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
524 .vsel_reg = S2MPS13_REG_B1OUT + (num - 1) * 2, \
525 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
526 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \
527 .enable_mask = S2MPS14_ENABLE_MASK \
530 #define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \
531 .name = "BUCK"#num, \
532 .id = S2MPS13_BUCK##num, \
533 .ops = &s2mps14_reg_ops, \
534 .type = REGULATOR_VOLTAGE, \
535 .owner = THIS_MODULE, \
538 .linear_min_sel = min_sel, \
539 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
540 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
541 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \
542 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
543 .enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \
544 .enable_mask = S2MPS14_ENABLE_MASK \
547 #define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) { \
548 .name = "BUCK"#num, \
549 .id = S2MPS13_BUCK##num, \
550 .ops = &s2mps14_reg_ops, \
551 .type = REGULATOR_VOLTAGE, \
552 .owner = THIS_MODULE, \
555 .linear_min_sel = min_sel, \
556 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
557 .ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
558 .vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \
559 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
560 .enable_reg = S2MPS13_REG_B1CTRL + (num) * 2 - 1, \
561 .enable_mask = S2MPS14_ENABLE_MASK \
564 static const struct regulator_desc s2mps13_regulators
[] = {
565 regulator_desc_s2mps13_ldo(1, MIN_800_MV
, STEP_12_5_MV
, 0x00),
566 regulator_desc_s2mps13_ldo(2, MIN_1400_MV
, STEP_50_MV
, 0x0C),
567 regulator_desc_s2mps13_ldo(3, MIN_1000_MV
, STEP_25_MV
, 0x08),
568 regulator_desc_s2mps13_ldo(4, MIN_800_MV
, STEP_12_5_MV
, 0x00),
569 regulator_desc_s2mps13_ldo(5, MIN_800_MV
, STEP_12_5_MV
, 0x00),
570 regulator_desc_s2mps13_ldo(6, MIN_800_MV
, STEP_12_5_MV
, 0x00),
571 regulator_desc_s2mps13_ldo(7, MIN_1000_MV
, STEP_25_MV
, 0x08),
572 regulator_desc_s2mps13_ldo(8, MIN_1000_MV
, STEP_25_MV
, 0x08),
573 regulator_desc_s2mps13_ldo(9, MIN_1000_MV
, STEP_25_MV
, 0x08),
574 regulator_desc_s2mps13_ldo(10, MIN_1400_MV
, STEP_50_MV
, 0x0C),
575 regulator_desc_s2mps13_ldo(11, MIN_800_MV
, STEP_25_MV
, 0x10),
576 regulator_desc_s2mps13_ldo(12, MIN_800_MV
, STEP_25_MV
, 0x10),
577 regulator_desc_s2mps13_ldo(13, MIN_800_MV
, STEP_25_MV
, 0x10),
578 regulator_desc_s2mps13_ldo(14, MIN_800_MV
, STEP_12_5_MV
, 0x00),
579 regulator_desc_s2mps13_ldo(15, MIN_800_MV
, STEP_12_5_MV
, 0x00),
580 regulator_desc_s2mps13_ldo(16, MIN_1400_MV
, STEP_50_MV
, 0x0C),
581 regulator_desc_s2mps13_ldo(17, MIN_1400_MV
, STEP_50_MV
, 0x0C),
582 regulator_desc_s2mps13_ldo(18, MIN_1000_MV
, STEP_25_MV
, 0x08),
583 regulator_desc_s2mps13_ldo(19, MIN_1000_MV
, STEP_25_MV
, 0x08),
584 regulator_desc_s2mps13_ldo(20, MIN_1400_MV
, STEP_50_MV
, 0x0C),
585 regulator_desc_s2mps13_ldo(21, MIN_1000_MV
, STEP_25_MV
, 0x08),
586 regulator_desc_s2mps13_ldo(22, MIN_1000_MV
, STEP_25_MV
, 0x08),
587 regulator_desc_s2mps13_ldo(23, MIN_800_MV
, STEP_12_5_MV
, 0x00),
588 regulator_desc_s2mps13_ldo(24, MIN_800_MV
, STEP_12_5_MV
, 0x00),
589 regulator_desc_s2mps13_ldo(25, MIN_1400_MV
, STEP_50_MV
, 0x0C),
590 regulator_desc_s2mps13_ldo(26, MIN_1400_MV
, STEP_50_MV
, 0x0C),
591 regulator_desc_s2mps13_ldo(27, MIN_1400_MV
, STEP_50_MV
, 0x0C),
592 regulator_desc_s2mps13_ldo(28, MIN_1000_MV
, STEP_25_MV
, 0x08),
593 regulator_desc_s2mps13_ldo(29, MIN_1400_MV
, STEP_50_MV
, 0x0C),
594 regulator_desc_s2mps13_ldo(30, MIN_1400_MV
, STEP_50_MV
, 0x0C),
595 regulator_desc_s2mps13_ldo(31, MIN_1000_MV
, STEP_25_MV
, 0x08),
596 regulator_desc_s2mps13_ldo(32, MIN_1000_MV
, STEP_25_MV
, 0x08),
597 regulator_desc_s2mps13_ldo(33, MIN_1400_MV
, STEP_50_MV
, 0x0C),
598 regulator_desc_s2mps13_ldo(34, MIN_1000_MV
, STEP_25_MV
, 0x08),
599 regulator_desc_s2mps13_ldo(35, MIN_1400_MV
, STEP_50_MV
, 0x0C),
600 regulator_desc_s2mps13_ldo(36, MIN_800_MV
, STEP_12_5_MV
, 0x00),
601 regulator_desc_s2mps13_ldo(37, MIN_1000_MV
, STEP_25_MV
, 0x08),
602 regulator_desc_s2mps13_ldo(38, MIN_1400_MV
, STEP_50_MV
, 0x0C),
603 regulator_desc_s2mps13_ldo(39, MIN_1000_MV
, STEP_25_MV
, 0x08),
604 regulator_desc_s2mps13_ldo(40, MIN_1400_MV
, STEP_50_MV
, 0x0C),
605 regulator_desc_s2mps13_buck(1, MIN_500_MV
, STEP_6_25_MV
, 0x10),
606 regulator_desc_s2mps13_buck(2, MIN_500_MV
, STEP_6_25_MV
, 0x10),
607 regulator_desc_s2mps13_buck(3, MIN_500_MV
, STEP_6_25_MV
, 0x10),
608 regulator_desc_s2mps13_buck(4, MIN_500_MV
, STEP_6_25_MV
, 0x10),
609 regulator_desc_s2mps13_buck(5, MIN_500_MV
, STEP_6_25_MV
, 0x10),
610 regulator_desc_s2mps13_buck(6, MIN_500_MV
, STEP_6_25_MV
, 0x10),
611 regulator_desc_s2mps13_buck7(7, MIN_500_MV
, STEP_6_25_MV
, 0x10),
612 regulator_desc_s2mps13_buck8_10(8, MIN_1000_MV
, STEP_12_5_MV
, 0x20),
613 regulator_desc_s2mps13_buck8_10(9, MIN_1000_MV
, STEP_12_5_MV
, 0x20),
614 regulator_desc_s2mps13_buck8_10(10, MIN_500_MV
, STEP_6_25_MV
, 0x10),
617 static const struct regulator_ops s2mps14_reg_ops
= {
618 .list_voltage
= regulator_list_voltage_linear
,
619 .map_voltage
= regulator_map_voltage_linear
,
620 .is_enabled
= regulator_is_enabled_regmap
,
621 .enable
= s2mps11_regulator_enable
,
622 .disable
= regulator_disable_regmap
,
623 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
624 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
625 .set_voltage_time_sel
= regulator_set_voltage_time_sel
,
626 .set_suspend_disable
= s2mps11_regulator_set_suspend_disable
,
629 #define regulator_desc_s2mps14_ldo(num, min, step) { \
631 .id = S2MPS14_LDO##num, \
632 .ops = &s2mps14_reg_ops, \
633 .type = REGULATOR_VOLTAGE, \
634 .owner = THIS_MODULE, \
637 .n_voltages = S2MPS14_LDO_N_VOLTAGES, \
638 .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \
639 .vsel_mask = S2MPS14_LDO_VSEL_MASK, \
640 .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \
641 .enable_mask = S2MPS14_ENABLE_MASK \
644 #define regulator_desc_s2mps14_buck(num, min, step, min_sel) { \
645 .name = "BUCK"#num, \
646 .id = S2MPS14_BUCK##num, \
647 .ops = &s2mps14_reg_ops, \
648 .type = REGULATOR_VOLTAGE, \
649 .owner = THIS_MODULE, \
652 .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
653 .linear_min_sel = min_sel, \
654 .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \
655 .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \
656 .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
657 .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \
658 .enable_mask = S2MPS14_ENABLE_MASK \
661 static const struct regulator_desc s2mps14_regulators
[] = {
662 regulator_desc_s2mps14_ldo(1, MIN_800_MV
, STEP_12_5_MV
),
663 regulator_desc_s2mps14_ldo(2, MIN_800_MV
, STEP_12_5_MV
),
664 regulator_desc_s2mps14_ldo(3, MIN_800_MV
, STEP_25_MV
),
665 regulator_desc_s2mps14_ldo(4, MIN_800_MV
, STEP_25_MV
),
666 regulator_desc_s2mps14_ldo(5, MIN_800_MV
, STEP_12_5_MV
),
667 regulator_desc_s2mps14_ldo(6, MIN_800_MV
, STEP_12_5_MV
),
668 regulator_desc_s2mps14_ldo(7, MIN_800_MV
, STEP_25_MV
),
669 regulator_desc_s2mps14_ldo(8, MIN_1800_MV
, STEP_25_MV
),
670 regulator_desc_s2mps14_ldo(9, MIN_800_MV
, STEP_12_5_MV
),
671 regulator_desc_s2mps14_ldo(10, MIN_800_MV
, STEP_12_5_MV
),
672 regulator_desc_s2mps14_ldo(11, MIN_800_MV
, STEP_25_MV
),
673 regulator_desc_s2mps14_ldo(12, MIN_1800_MV
, STEP_25_MV
),
674 regulator_desc_s2mps14_ldo(13, MIN_1800_MV
, STEP_25_MV
),
675 regulator_desc_s2mps14_ldo(14, MIN_1800_MV
, STEP_25_MV
),
676 regulator_desc_s2mps14_ldo(15, MIN_1800_MV
, STEP_25_MV
),
677 regulator_desc_s2mps14_ldo(16, MIN_1800_MV
, STEP_25_MV
),
678 regulator_desc_s2mps14_ldo(17, MIN_1800_MV
, STEP_25_MV
),
679 regulator_desc_s2mps14_ldo(18, MIN_1800_MV
, STEP_25_MV
),
680 regulator_desc_s2mps14_ldo(19, MIN_800_MV
, STEP_25_MV
),
681 regulator_desc_s2mps14_ldo(20, MIN_800_MV
, STEP_25_MV
),
682 regulator_desc_s2mps14_ldo(21, MIN_800_MV
, STEP_25_MV
),
683 regulator_desc_s2mps14_ldo(22, MIN_800_MV
, STEP_12_5_MV
),
684 regulator_desc_s2mps14_ldo(23, MIN_800_MV
, STEP_25_MV
),
685 regulator_desc_s2mps14_ldo(24, MIN_1800_MV
, STEP_25_MV
),
686 regulator_desc_s2mps14_ldo(25, MIN_1800_MV
, STEP_25_MV
),
687 regulator_desc_s2mps14_buck(1, MIN_600_MV
, STEP_6_25_MV
,
688 S2MPS14_BUCK1235_START_SEL
),
689 regulator_desc_s2mps14_buck(2, MIN_600_MV
, STEP_6_25_MV
,
690 S2MPS14_BUCK1235_START_SEL
),
691 regulator_desc_s2mps14_buck(3, MIN_600_MV
, STEP_6_25_MV
,
692 S2MPS14_BUCK1235_START_SEL
),
693 regulator_desc_s2mps14_buck(4, MIN_1400_MV
, STEP_12_5_MV
,
694 S2MPS14_BUCK4_START_SEL
),
695 regulator_desc_s2mps14_buck(5, MIN_600_MV
, STEP_6_25_MV
,
696 S2MPS14_BUCK1235_START_SEL
),
699 static const struct regulator_ops s2mps15_reg_ldo_ops
= {
700 .list_voltage
= regulator_list_voltage_linear_range
,
701 .map_voltage
= regulator_map_voltage_linear_range
,
702 .is_enabled
= regulator_is_enabled_regmap
,
703 .enable
= regulator_enable_regmap
,
704 .disable
= regulator_disable_regmap
,
705 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
706 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
709 static const struct regulator_ops s2mps15_reg_buck_ops
= {
710 .list_voltage
= regulator_list_voltage_linear_range
,
711 .map_voltage
= regulator_map_voltage_linear_range
,
712 .is_enabled
= regulator_is_enabled_regmap
,
713 .enable
= regulator_enable_regmap
,
714 .disable
= regulator_disable_regmap
,
715 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
716 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
717 .set_voltage_time_sel
= regulator_set_voltage_time_sel
,
720 #define regulator_desc_s2mps15_ldo(num, range) { \
722 .id = S2MPS15_LDO##num, \
723 .ops = &s2mps15_reg_ldo_ops, \
724 .type = REGULATOR_VOLTAGE, \
725 .owner = THIS_MODULE, \
726 .linear_ranges = range, \
727 .n_linear_ranges = ARRAY_SIZE(range), \
728 .n_voltages = S2MPS15_LDO_N_VOLTAGES, \
729 .vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \
730 .vsel_mask = S2MPS15_LDO_VSEL_MASK, \
731 .enable_reg = S2MPS15_REG_L1CTRL + num - 1, \
732 .enable_mask = S2MPS15_ENABLE_MASK \
735 #define regulator_desc_s2mps15_buck(num, range) { \
736 .name = "BUCK"#num, \
737 .id = S2MPS15_BUCK##num, \
738 .ops = &s2mps15_reg_buck_ops, \
739 .type = REGULATOR_VOLTAGE, \
740 .owner = THIS_MODULE, \
741 .linear_ranges = range, \
742 .n_linear_ranges = ARRAY_SIZE(range), \
743 .ramp_delay = 12500, \
744 .n_voltages = S2MPS15_BUCK_N_VOLTAGES, \
745 .vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \
746 .vsel_mask = S2MPS15_BUCK_VSEL_MASK, \
747 .enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \
748 .enable_mask = S2MPS15_ENABLE_MASK \
751 /* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
752 static const struct linear_range s2mps15_ldo_voltage_ranges1
[] = {
753 REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
756 /* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
757 static const struct linear_range s2mps15_ldo_voltage_ranges2
[] = {
758 REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
761 /* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
762 static const struct linear_range s2mps15_ldo_voltage_ranges3
[] = {
763 REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
766 /* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
767 static const struct linear_range s2mps15_ldo_voltage_ranges4
[] = {
768 REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
771 /* voltage range for s2mps15 LDO 1 */
772 static const struct linear_range s2mps15_ldo_voltage_ranges5
[] = {
773 REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
776 /* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
777 static const struct linear_range s2mps15_buck_voltage_ranges1
[] = {
778 REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
781 /* voltage range for s2mps15 BUCK 8, 9 and 10 */
782 static const struct linear_range s2mps15_buck_voltage_ranges2
[] = {
783 REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
786 static const struct regulator_desc s2mps15_regulators
[] = {
787 regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5
),
788 regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2
),
789 regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1
),
790 regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3
),
791 regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1
),
792 regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2
),
793 regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4
),
794 regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4
),
795 regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4
),
796 regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4
),
797 regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3
),
798 regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3
),
799 regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3
),
800 regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2
),
801 regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1
),
802 regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1
),
803 regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2
),
804 regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1
),
805 regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2
),
806 regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1
),
807 regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2
),
808 regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3
),
809 regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1
),
810 regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2
),
811 regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2
),
812 regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3
),
813 regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1
),
814 regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1
),
815 regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1
),
816 regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1
),
817 regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1
),
818 regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1
),
819 regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1
),
820 regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1
),
821 regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2
),
822 regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2
),
823 regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2
),
826 static int s2mps14_pmic_enable_ext_control(struct s2mps11_info
*s2mps11
,
827 struct regulator_dev
*rdev
)
829 return regmap_update_bits(rdev
->regmap
, rdev
->desc
->enable_reg
,
830 rdev
->desc
->enable_mask
, S2MPS14_ENABLE_EXT_CONTROL
);
833 static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device
*pdev
,
834 struct of_regulator_match
*rdata
, struct s2mps11_info
*s2mps11
)
836 struct gpio_desc
**gpio
= s2mps11
->ext_control_gpiod
;
838 unsigned int valid_regulators
[3] = { S2MPS14_LDO10
, S2MPS14_LDO11
,
841 for (i
= 0; i
< ARRAY_SIZE(valid_regulators
); i
++) {
842 unsigned int reg
= valid_regulators
[i
];
844 if (!rdata
[reg
].init_data
|| !rdata
[reg
].of_node
)
847 gpio
[reg
] = devm_fwnode_gpiod_get(&pdev
->dev
,
848 of_fwnode_handle(rdata
[reg
].of_node
),
849 "samsung,ext-control",
850 GPIOD_OUT_HIGH
| GPIOD_FLAGS_BIT_NONEXCLUSIVE
,
851 "s2mps11-regulator");
852 if (PTR_ERR(gpio
[reg
]) == -ENOENT
)
854 else if (IS_ERR(gpio
[reg
])) {
855 dev_err(&pdev
->dev
, "Failed to get control GPIO for %d/%s\n",
856 reg
, rdata
[reg
].name
);
861 dev_dbg(&pdev
->dev
, "Using GPIO for ext-control over %d/%s\n",
862 reg
, rdata
[reg
].name
);
866 static int s2mps11_pmic_dt_parse(struct platform_device
*pdev
,
867 struct of_regulator_match
*rdata
, struct s2mps11_info
*s2mps11
,
868 unsigned int rdev_num
)
870 struct device_node
*reg_np
;
872 reg_np
= of_get_child_by_name(pdev
->dev
.parent
->of_node
, "regulators");
874 dev_err(&pdev
->dev
, "could not find regulators sub-node\n");
878 of_regulator_match(&pdev
->dev
, reg_np
, rdata
, rdev_num
);
879 if (s2mps11
->dev_type
== S2MPS14X
)
880 s2mps14_pmic_dt_parse_ext_control_gpio(pdev
, rdata
, s2mps11
);
887 static int s2mpu02_set_ramp_delay(struct regulator_dev
*rdev
, int ramp_delay
)
889 unsigned int ramp_val
, ramp_shift
, ramp_reg
;
890 int rdev_id
= rdev_get_id(rdev
);
894 ramp_shift
= S2MPU02_BUCK1_RAMP_SHIFT
;
897 ramp_shift
= S2MPU02_BUCK2_RAMP_SHIFT
;
900 ramp_shift
= S2MPU02_BUCK3_RAMP_SHIFT
;
903 ramp_shift
= S2MPU02_BUCK4_RAMP_SHIFT
;
908 ramp_reg
= S2MPU02_REG_RAMP1
;
909 ramp_val
= get_ramp_delay(ramp_delay
);
911 return regmap_update_bits(rdev
->regmap
, ramp_reg
,
912 S2MPU02_BUCK1234_RAMP_MASK
<< ramp_shift
,
913 ramp_val
<< ramp_shift
);
916 static const struct regulator_ops s2mpu02_ldo_ops
= {
917 .list_voltage
= regulator_list_voltage_linear
,
918 .map_voltage
= regulator_map_voltage_linear
,
919 .is_enabled
= regulator_is_enabled_regmap
,
920 .enable
= s2mps11_regulator_enable
,
921 .disable
= regulator_disable_regmap
,
922 .get_voltage_sel
= regulator_get_voltage_sel_regmap
,
923 .set_voltage_sel
= regulator_set_voltage_sel_regmap
,
924 .set_voltage_time_sel
= regulator_set_voltage_time_sel
,
925 .set_suspend_disable
= s2mps11_regulator_set_suspend_disable
,
928 static const struct regulator_ops s2mpu02_buck_ops
= {
929 .list_voltage
= regulator_list_voltage_linear
,
930 .map_voltage
= regulator_map_voltage_linear
,
931 .is_enabled
= regulator_is_enabled_regmap
,
932 .enable
= s2mps11_regulator_enable
,
933 .disable
= regulator_disable_regmap
,
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 .set_suspend_disable
= s2mps11_regulator_set_suspend_disable
,
938 .set_ramp_delay
= s2mpu02_set_ramp_delay
,
941 #define regulator_desc_s2mpu02_ldo1(num) { \
943 .id = S2MPU02_LDO##num, \
944 .ops = &s2mpu02_ldo_ops, \
945 .type = REGULATOR_VOLTAGE, \
946 .owner = THIS_MODULE, \
947 .min_uV = S2MPU02_LDO_MIN_900MV, \
948 .uV_step = S2MPU02_LDO_STEP_12_5MV, \
949 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
950 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
951 .vsel_reg = S2MPU02_REG_L1CTRL, \
952 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
953 .enable_reg = S2MPU02_REG_L1CTRL, \
954 .enable_mask = S2MPU02_ENABLE_MASK \
956 #define regulator_desc_s2mpu02_ldo2(num) { \
958 .id = S2MPU02_LDO##num, \
959 .ops = &s2mpu02_ldo_ops, \
960 .type = REGULATOR_VOLTAGE, \
961 .owner = THIS_MODULE, \
962 .min_uV = S2MPU02_LDO_MIN_1050MV, \
963 .uV_step = S2MPU02_LDO_STEP_25MV, \
964 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
965 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
966 .vsel_reg = S2MPU02_REG_L2CTRL1, \
967 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
968 .enable_reg = S2MPU02_REG_L2CTRL1, \
969 .enable_mask = S2MPU02_ENABLE_MASK \
971 #define regulator_desc_s2mpu02_ldo3(num) { \
973 .id = S2MPU02_LDO##num, \
974 .ops = &s2mpu02_ldo_ops, \
975 .type = REGULATOR_VOLTAGE, \
976 .owner = THIS_MODULE, \
977 .min_uV = S2MPU02_LDO_MIN_900MV, \
978 .uV_step = S2MPU02_LDO_STEP_12_5MV, \
979 .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
980 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
981 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
982 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
983 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
984 .enable_mask = S2MPU02_ENABLE_MASK \
986 #define regulator_desc_s2mpu02_ldo4(num) { \
988 .id = S2MPU02_LDO##num, \
989 .ops = &s2mpu02_ldo_ops, \
990 .type = REGULATOR_VOLTAGE, \
991 .owner = THIS_MODULE, \
992 .min_uV = S2MPU02_LDO_MIN_1050MV, \
993 .uV_step = S2MPU02_LDO_STEP_25MV, \
994 .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
995 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
996 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
997 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
998 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
999 .enable_mask = S2MPU02_ENABLE_MASK \
1001 #define regulator_desc_s2mpu02_ldo5(num) { \
1002 .name = "LDO"#num, \
1003 .id = S2MPU02_LDO##num, \
1004 .ops = &s2mpu02_ldo_ops, \
1005 .type = REGULATOR_VOLTAGE, \
1006 .owner = THIS_MODULE, \
1007 .min_uV = S2MPU02_LDO_MIN_1600MV, \
1008 .uV_step = S2MPU02_LDO_STEP_50MV, \
1009 .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \
1010 .n_voltages = S2MPU02_LDO_N_VOLTAGES, \
1011 .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
1012 .vsel_mask = S2MPU02_LDO_VSEL_MASK, \
1013 .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
1014 .enable_mask = S2MPU02_ENABLE_MASK \
1017 #define regulator_desc_s2mpu02_buck1234(num) { \
1018 .name = "BUCK"#num, \
1019 .id = S2MPU02_BUCK##num, \
1020 .ops = &s2mpu02_buck_ops, \
1021 .type = REGULATOR_VOLTAGE, \
1022 .owner = THIS_MODULE, \
1023 .min_uV = S2MPU02_BUCK1234_MIN_600MV, \
1024 .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \
1025 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
1026 .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \
1027 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
1028 .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \
1029 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
1030 .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \
1031 .enable_mask = S2MPU02_ENABLE_MASK \
1033 #define regulator_desc_s2mpu02_buck5(num) { \
1034 .name = "BUCK"#num, \
1035 .id = S2MPU02_BUCK##num, \
1036 .ops = &s2mpu02_ldo_ops, \
1037 .type = REGULATOR_VOLTAGE, \
1038 .owner = THIS_MODULE, \
1039 .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \
1040 .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \
1041 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
1042 .linear_min_sel = S2MPU02_BUCK5_START_SEL, \
1043 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
1044 .vsel_reg = S2MPU02_REG_B5CTRL2, \
1045 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
1046 .enable_reg = S2MPU02_REG_B5CTRL1, \
1047 .enable_mask = S2MPU02_ENABLE_MASK \
1049 #define regulator_desc_s2mpu02_buck6(num) { \
1050 .name = "BUCK"#num, \
1051 .id = S2MPU02_BUCK##num, \
1052 .ops = &s2mpu02_ldo_ops, \
1053 .type = REGULATOR_VOLTAGE, \
1054 .owner = THIS_MODULE, \
1055 .min_uV = S2MPU02_BUCK6_MIN_1700MV, \
1056 .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \
1057 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
1058 .linear_min_sel = S2MPU02_BUCK6_START_SEL, \
1059 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
1060 .vsel_reg = S2MPU02_REG_B6CTRL2, \
1061 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
1062 .enable_reg = S2MPU02_REG_B6CTRL1, \
1063 .enable_mask = S2MPU02_ENABLE_MASK \
1065 #define regulator_desc_s2mpu02_buck7(num) { \
1066 .name = "BUCK"#num, \
1067 .id = S2MPU02_BUCK##num, \
1068 .ops = &s2mpu02_ldo_ops, \
1069 .type = REGULATOR_VOLTAGE, \
1070 .owner = THIS_MODULE, \
1071 .min_uV = S2MPU02_BUCK7_MIN_900MV, \
1072 .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \
1073 .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
1074 .linear_min_sel = S2MPU02_BUCK7_START_SEL, \
1075 .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
1076 .vsel_reg = S2MPU02_REG_B7CTRL2, \
1077 .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
1078 .enable_reg = S2MPU02_REG_B7CTRL1, \
1079 .enable_mask = S2MPU02_ENABLE_MASK \
1082 static const struct regulator_desc s2mpu02_regulators
[] = {
1083 regulator_desc_s2mpu02_ldo1(1),
1084 regulator_desc_s2mpu02_ldo2(2),
1085 regulator_desc_s2mpu02_ldo4(3),
1086 regulator_desc_s2mpu02_ldo5(4),
1087 regulator_desc_s2mpu02_ldo4(5),
1088 regulator_desc_s2mpu02_ldo3(6),
1089 regulator_desc_s2mpu02_ldo3(7),
1090 regulator_desc_s2mpu02_ldo4(8),
1091 regulator_desc_s2mpu02_ldo5(9),
1092 regulator_desc_s2mpu02_ldo3(10),
1093 regulator_desc_s2mpu02_ldo4(11),
1094 regulator_desc_s2mpu02_ldo5(12),
1095 regulator_desc_s2mpu02_ldo5(13),
1096 regulator_desc_s2mpu02_ldo5(14),
1097 regulator_desc_s2mpu02_ldo5(15),
1098 regulator_desc_s2mpu02_ldo5(16),
1099 regulator_desc_s2mpu02_ldo4(17),
1100 regulator_desc_s2mpu02_ldo5(18),
1101 regulator_desc_s2mpu02_ldo3(19),
1102 regulator_desc_s2mpu02_ldo4(20),
1103 regulator_desc_s2mpu02_ldo5(21),
1104 regulator_desc_s2mpu02_ldo5(22),
1105 regulator_desc_s2mpu02_ldo5(23),
1106 regulator_desc_s2mpu02_ldo4(24),
1107 regulator_desc_s2mpu02_ldo5(25),
1108 regulator_desc_s2mpu02_ldo4(26),
1109 regulator_desc_s2mpu02_ldo5(27),
1110 regulator_desc_s2mpu02_ldo5(28),
1111 regulator_desc_s2mpu02_buck1234(1),
1112 regulator_desc_s2mpu02_buck1234(2),
1113 regulator_desc_s2mpu02_buck1234(3),
1114 regulator_desc_s2mpu02_buck1234(4),
1115 regulator_desc_s2mpu02_buck5(5),
1116 regulator_desc_s2mpu02_buck6(6),
1117 regulator_desc_s2mpu02_buck7(7),
1120 static int s2mps11_pmic_probe(struct platform_device
*pdev
)
1122 struct sec_pmic_dev
*iodev
= dev_get_drvdata(pdev
->dev
.parent
);
1123 struct of_regulator_match
*rdata
= NULL
;
1124 struct regulator_config config
= { };
1125 struct s2mps11_info
*s2mps11
;
1126 unsigned int rdev_num
= 0;
1128 const struct regulator_desc
*regulators
;
1130 s2mps11
= devm_kzalloc(&pdev
->dev
, sizeof(struct s2mps11_info
),
1135 s2mps11
->dev_type
= platform_get_device_id(pdev
)->driver_data
;
1136 switch (s2mps11
->dev_type
) {
1138 rdev_num
= ARRAY_SIZE(s2mps11_regulators
);
1139 regulators
= s2mps11_regulators
;
1140 BUILD_BUG_ON(S2MPS_REGULATOR_MAX
< ARRAY_SIZE(s2mps11_regulators
));
1143 rdev_num
= ARRAY_SIZE(s2mps13_regulators
);
1144 regulators
= s2mps13_regulators
;
1145 BUILD_BUG_ON(S2MPS_REGULATOR_MAX
< ARRAY_SIZE(s2mps13_regulators
));
1148 rdev_num
= ARRAY_SIZE(s2mps14_regulators
);
1149 regulators
= s2mps14_regulators
;
1150 BUILD_BUG_ON(S2MPS_REGULATOR_MAX
< ARRAY_SIZE(s2mps14_regulators
));
1153 rdev_num
= ARRAY_SIZE(s2mps15_regulators
);
1154 regulators
= s2mps15_regulators
;
1155 BUILD_BUG_ON(S2MPS_REGULATOR_MAX
< ARRAY_SIZE(s2mps15_regulators
));
1158 rdev_num
= ARRAY_SIZE(s2mpu02_regulators
);
1159 regulators
= s2mpu02_regulators
;
1160 BUILD_BUG_ON(S2MPS_REGULATOR_MAX
< ARRAY_SIZE(s2mpu02_regulators
));
1163 dev_err(&pdev
->dev
, "Invalid device type: %u\n",
1168 s2mps11
->ext_control_gpiod
= devm_kcalloc(&pdev
->dev
, rdev_num
,
1169 sizeof(*s2mps11
->ext_control_gpiod
), GFP_KERNEL
);
1170 if (!s2mps11
->ext_control_gpiod
)
1173 rdata
= kcalloc(rdev_num
, sizeof(*rdata
), GFP_KERNEL
);
1177 for (i
= 0; i
< rdev_num
; i
++)
1178 rdata
[i
].name
= regulators
[i
].name
;
1180 ret
= s2mps11_pmic_dt_parse(pdev
, rdata
, s2mps11
, rdev_num
);
1184 platform_set_drvdata(pdev
, s2mps11
);
1186 config
.dev
= &pdev
->dev
;
1187 config
.regmap
= iodev
->regmap_pmic
;
1188 config
.driver_data
= s2mps11
;
1189 for (i
= 0; i
< rdev_num
; i
++) {
1190 struct regulator_dev
*regulator
;
1192 config
.init_data
= rdata
[i
].init_data
;
1193 config
.of_node
= rdata
[i
].of_node
;
1194 config
.ena_gpiod
= s2mps11
->ext_control_gpiod
[i
];
1196 * Hand the GPIO descriptor management over to the regulator
1197 * core, remove it from devres management.
1199 if (config
.ena_gpiod
)
1200 devm_gpiod_unhinge(&pdev
->dev
, config
.ena_gpiod
);
1201 regulator
= devm_regulator_register(&pdev
->dev
,
1202 ®ulators
[i
], &config
);
1203 if (IS_ERR(regulator
)) {
1204 ret
= PTR_ERR(regulator
);
1205 dev_err(&pdev
->dev
, "regulator init failed for %d\n",
1210 if (config
.ena_gpiod
) {
1211 ret
= s2mps14_pmic_enable_ext_control(s2mps11
,
1215 "failed to enable GPIO control over %s: %d\n",
1216 regulator
->desc
->name
, ret
);
1228 static const struct platform_device_id s2mps11_pmic_id
[] = {
1229 { "s2mps11-regulator", S2MPS11X
},
1230 { "s2mps13-regulator", S2MPS13X
},
1231 { "s2mps14-regulator", S2MPS14X
},
1232 { "s2mps15-regulator", S2MPS15X
},
1233 { "s2mpu02-regulator", S2MPU02
},
1236 MODULE_DEVICE_TABLE(platform
, s2mps11_pmic_id
);
1238 static struct platform_driver s2mps11_pmic_driver
= {
1240 .name
= "s2mps11-pmic",
1241 .probe_type
= PROBE_PREFER_ASYNCHRONOUS
,
1243 .probe
= s2mps11_pmic_probe
,
1244 .id_table
= s2mps11_pmic_id
,
1247 module_platform_driver(s2mps11_pmic_driver
);
1249 /* Module information */
1250 MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
1251 MODULE_DESCRIPTION("Samsung S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver");
1252 MODULE_LICENSE("GPL");