Merge branch 'drm-fixes-4.19' of git://people.freedesktop.org/~agd5f/linux into drm...
[linux-2.6-microblaze.git] / drivers / regulator / s2mps11.c
1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
4 //              http://www.samsung.com
5
6 #include <linux/bug.h>
7 #include <linux/err.h>
8 #include <linux/gpio.h>
9 #include <linux/slab.h>
10 #include <linux/module.h>
11 #include <linux/of.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/of_gpio.h>
18 #include <linux/mfd/samsung/core.h>
19 #include <linux/mfd/samsung/s2mps11.h>
20 #include <linux/mfd/samsung/s2mps13.h>
21 #include <linux/mfd/samsung/s2mps14.h>
22 #include <linux/mfd/samsung/s2mps15.h>
23 #include <linux/mfd/samsung/s2mpu02.h>
24
25 /* The highest number of possible regulators for supported devices. */
26 #define S2MPS_REGULATOR_MAX             S2MPS13_REGULATOR_MAX
27 struct s2mps11_info {
28         int ramp_delay2;
29         int ramp_delay34;
30         int ramp_delay5;
31         int ramp_delay16;
32         int ramp_delay7810;
33         int ramp_delay9;
34
35         enum sec_device_type dev_type;
36
37         /*
38          * One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether
39          * the suspend mode was enabled.
40          */
41         DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX);
42
43         /*
44          * Array (size: number of regulators) with GPIO-s for external
45          * sleep control.
46          */
47         int *ext_control_gpio;
48 };
49
50 static int get_ramp_delay(int ramp_delay)
51 {
52         unsigned char cnt = 0;
53
54         ramp_delay /= 6250;
55
56         while (true) {
57                 ramp_delay = ramp_delay >> 1;
58                 if (ramp_delay == 0)
59                         break;
60                 cnt++;
61         }
62
63         if (cnt > 3)
64                 cnt = 3;
65
66         return cnt;
67 }
68
69 static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
70                                    unsigned int old_selector,
71                                    unsigned int new_selector)
72 {
73         struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
74         unsigned int ramp_delay = 0;
75         int old_volt, new_volt;
76
77         switch (rdev_get_id(rdev)) {
78         case S2MPS11_BUCK2:
79                 ramp_delay = s2mps11->ramp_delay2;
80                 break;
81         case S2MPS11_BUCK3:
82         case S2MPS11_BUCK4:
83                 ramp_delay = s2mps11->ramp_delay34;
84                 break;
85         case S2MPS11_BUCK5:
86                 ramp_delay = s2mps11->ramp_delay5;
87                 break;
88         case S2MPS11_BUCK6:
89         case S2MPS11_BUCK1:
90                 ramp_delay = s2mps11->ramp_delay16;
91                 break;
92         case S2MPS11_BUCK7:
93         case S2MPS11_BUCK8:
94         case S2MPS11_BUCK10:
95                 ramp_delay = s2mps11->ramp_delay7810;
96                 break;
97         case S2MPS11_BUCK9:
98                 ramp_delay = s2mps11->ramp_delay9;
99         }
100
101         if (ramp_delay == 0)
102                 ramp_delay = rdev->desc->ramp_delay;
103
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);
106
107         return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);
108 }
109
110 static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
111 {
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 ret;
116
117         switch (rdev_get_id(rdev)) {
118         case S2MPS11_BUCK1:
119                 if (ramp_delay > s2mps11->ramp_delay16)
120                         s2mps11->ramp_delay16 = ramp_delay;
121                 else
122                         ramp_delay = s2mps11->ramp_delay16;
123
124                 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
125                 break;
126         case S2MPS11_BUCK2:
127                 enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT;
128                 if (!ramp_delay) {
129                         ramp_enable = 0;
130                         break;
131                 }
132
133                 s2mps11->ramp_delay2 = ramp_delay;
134                 ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT;
135                 ramp_reg = S2MPS11_REG_RAMP;
136                 break;
137         case S2MPS11_BUCK3:
138                 enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT;
139                 if (!ramp_delay) {
140                         ramp_enable = 0;
141                         break;
142                 }
143
144                 if (ramp_delay > s2mps11->ramp_delay34)
145                         s2mps11->ramp_delay34 = ramp_delay;
146                 else
147                         ramp_delay = s2mps11->ramp_delay34;
148
149                 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
150                 ramp_reg = S2MPS11_REG_RAMP;
151                 break;
152         case S2MPS11_BUCK4:
153                 enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT;
154                 if (!ramp_delay) {
155                         ramp_enable = 0;
156                         break;
157                 }
158
159                 if (ramp_delay > s2mps11->ramp_delay34)
160                         s2mps11->ramp_delay34 = ramp_delay;
161                 else
162                         ramp_delay = s2mps11->ramp_delay34;
163
164                 ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
165                 ramp_reg = S2MPS11_REG_RAMP;
166                 break;
167         case S2MPS11_BUCK5:
168                 s2mps11->ramp_delay5 = ramp_delay;
169                 ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT;
170                 break;
171         case S2MPS11_BUCK6:
172                 enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT;
173                 if (!ramp_delay) {
174                         ramp_enable = 0;
175                         break;
176                 }
177
178                 if (ramp_delay > s2mps11->ramp_delay16)
179                         s2mps11->ramp_delay16 = ramp_delay;
180                 else
181                         ramp_delay = s2mps11->ramp_delay16;
182
183                 ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
184                 break;
185         case S2MPS11_BUCK7:
186         case S2MPS11_BUCK8:
187         case S2MPS11_BUCK10:
188                 if (ramp_delay > s2mps11->ramp_delay7810)
189                         s2mps11->ramp_delay7810 = ramp_delay;
190                 else
191                         ramp_delay = s2mps11->ramp_delay7810;
192
193                 ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT;
194                 break;
195         case S2MPS11_BUCK9:
196                 s2mps11->ramp_delay9 = ramp_delay;
197                 ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT;
198                 break;
199         default:
200                 return 0;
201         }
202
203         if (!ramp_enable)
204                 goto ramp_disable;
205
206         /* Ramp delay can be enabled/disabled only for buck[2346] */
207         if ((rdev_get_id(rdev) >= S2MPS11_BUCK2 &&
208                         rdev_get_id(rdev) <= S2MPS11_BUCK4) ||
209                         rdev_get_id(rdev) == S2MPS11_BUCK6)  {
210                 ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
211                                          1 << enable_shift, 1 << enable_shift);
212                 if (ret) {
213                         dev_err(&rdev->dev, "failed to enable ramp rate\n");
214                         return ret;
215                 }
216         }
217
218         ramp_val = get_ramp_delay(ramp_delay);
219
220         return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift,
221                                   ramp_val << ramp_shift);
222
223 ramp_disable:
224         return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
225                                   1 << enable_shift, 0);
226 }
227
228 static const struct regulator_ops s2mps11_ldo_ops = {
229         .list_voltage           = regulator_list_voltage_linear,
230         .map_voltage            = regulator_map_voltage_linear,
231         .is_enabled             = regulator_is_enabled_regmap,
232         .enable                 = regulator_enable_regmap,
233         .disable                = regulator_disable_regmap,
234         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
235         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
236         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
237 };
238
239 static const struct regulator_ops s2mps11_buck_ops = {
240         .list_voltage           = regulator_list_voltage_linear,
241         .map_voltage            = regulator_map_voltage_linear,
242         .is_enabled             = regulator_is_enabled_regmap,
243         .enable                 = regulator_enable_regmap,
244         .disable                = regulator_disable_regmap,
245         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
246         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
247         .set_voltage_time_sel   = s2mps11_regulator_set_voltage_time_sel,
248         .set_ramp_delay         = s2mps11_set_ramp_delay,
249 };
250
251 #define regulator_desc_s2mps11_ldo(num, step) {         \
252         .name           = "LDO"#num,                    \
253         .id             = S2MPS11_LDO##num,             \
254         .ops            = &s2mps11_ldo_ops,             \
255         .type           = REGULATOR_VOLTAGE,            \
256         .owner          = THIS_MODULE,                  \
257         .ramp_delay     = RAMP_DELAY_12_MVUS,           \
258         .min_uV         = MIN_800_MV,                   \
259         .uV_step        = step,                         \
260         .n_voltages     = S2MPS11_LDO_N_VOLTAGES,       \
261         .vsel_reg       = S2MPS11_REG_L1CTRL + num - 1, \
262         .vsel_mask      = S2MPS11_LDO_VSEL_MASK,        \
263         .enable_reg     = S2MPS11_REG_L1CTRL + num - 1, \
264         .enable_mask    = S2MPS11_ENABLE_MASK           \
265 }
266
267 #define regulator_desc_s2mps11_buck1_4(num) {                   \
268         .name           = "BUCK"#num,                           \
269         .id             = S2MPS11_BUCK##num,                    \
270         .ops            = &s2mps11_buck_ops,                    \
271         .type           = REGULATOR_VOLTAGE,                    \
272         .owner          = THIS_MODULE,                          \
273         .min_uV         = MIN_600_MV,                           \
274         .uV_step        = STEP_6_25_MV,                         \
275         .n_voltages     = S2MPS11_BUCK_N_VOLTAGES,              \
276         .ramp_delay     = S2MPS11_RAMP_DELAY,                   \
277         .vsel_reg       = S2MPS11_REG_B1CTRL2 + (num - 1) * 2,  \
278         .vsel_mask      = S2MPS11_BUCK_VSEL_MASK,               \
279         .enable_reg     = S2MPS11_REG_B1CTRL1 + (num - 1) * 2,  \
280         .enable_mask    = S2MPS11_ENABLE_MASK                   \
281 }
282
283 #define regulator_desc_s2mps11_buck5 {                          \
284         .name           = "BUCK5",                              \
285         .id             = S2MPS11_BUCK5,                        \
286         .ops            = &s2mps11_buck_ops,                    \
287         .type           = REGULATOR_VOLTAGE,                    \
288         .owner          = THIS_MODULE,                          \
289         .min_uV         = MIN_600_MV,                           \
290         .uV_step        = STEP_6_25_MV,                         \
291         .n_voltages     = S2MPS11_BUCK_N_VOLTAGES,              \
292         .ramp_delay     = S2MPS11_RAMP_DELAY,                   \
293         .vsel_reg       = S2MPS11_REG_B5CTRL2,                  \
294         .vsel_mask      = S2MPS11_BUCK_VSEL_MASK,               \
295         .enable_reg     = S2MPS11_REG_B5CTRL1,                  \
296         .enable_mask    = S2MPS11_ENABLE_MASK                   \
297 }
298
299 #define regulator_desc_s2mps11_buck67810(num, min, step) {      \
300         .name           = "BUCK"#num,                           \
301         .id             = S2MPS11_BUCK##num,                    \
302         .ops            = &s2mps11_buck_ops,                    \
303         .type           = REGULATOR_VOLTAGE,                    \
304         .owner          = THIS_MODULE,                          \
305         .min_uV         = min,                                  \
306         .uV_step        = step,                                 \
307         .n_voltages     = S2MPS11_BUCK_N_VOLTAGES,              \
308         .ramp_delay     = S2MPS11_RAMP_DELAY,                   \
309         .vsel_reg       = S2MPS11_REG_B6CTRL2 + (num - 6) * 2,  \
310         .vsel_mask      = S2MPS11_BUCK_VSEL_MASK,               \
311         .enable_reg     = S2MPS11_REG_B6CTRL1 + (num - 6) * 2,  \
312         .enable_mask    = S2MPS11_ENABLE_MASK                   \
313 }
314
315 #define regulator_desc_s2mps11_buck9 {                          \
316         .name           = "BUCK9",                              \
317         .id             = S2MPS11_BUCK9,                        \
318         .ops            = &s2mps11_buck_ops,                    \
319         .type           = REGULATOR_VOLTAGE,                    \
320         .owner          = THIS_MODULE,                          \
321         .min_uV         = MIN_3000_MV,                          \
322         .uV_step        = STEP_25_MV,                           \
323         .n_voltages     = S2MPS11_BUCK9_N_VOLTAGES,             \
324         .ramp_delay     = S2MPS11_RAMP_DELAY,                   \
325         .vsel_reg       = S2MPS11_REG_B9CTRL2,                  \
326         .vsel_mask      = S2MPS11_BUCK9_VSEL_MASK,              \
327         .enable_reg     = S2MPS11_REG_B9CTRL1,                  \
328         .enable_mask    = S2MPS11_ENABLE_MASK                   \
329 }
330
331 static const struct regulator_desc s2mps11_regulators[] = {
332         regulator_desc_s2mps11_ldo(1, STEP_25_MV),
333         regulator_desc_s2mps11_ldo(2, STEP_50_MV),
334         regulator_desc_s2mps11_ldo(3, STEP_50_MV),
335         regulator_desc_s2mps11_ldo(4, STEP_50_MV),
336         regulator_desc_s2mps11_ldo(5, STEP_50_MV),
337         regulator_desc_s2mps11_ldo(6, STEP_25_MV),
338         regulator_desc_s2mps11_ldo(7, STEP_50_MV),
339         regulator_desc_s2mps11_ldo(8, STEP_50_MV),
340         regulator_desc_s2mps11_ldo(9, STEP_50_MV),
341         regulator_desc_s2mps11_ldo(10, STEP_50_MV),
342         regulator_desc_s2mps11_ldo(11, STEP_25_MV),
343         regulator_desc_s2mps11_ldo(12, STEP_50_MV),
344         regulator_desc_s2mps11_ldo(13, STEP_50_MV),
345         regulator_desc_s2mps11_ldo(14, STEP_50_MV),
346         regulator_desc_s2mps11_ldo(15, STEP_50_MV),
347         regulator_desc_s2mps11_ldo(16, STEP_50_MV),
348         regulator_desc_s2mps11_ldo(17, STEP_50_MV),
349         regulator_desc_s2mps11_ldo(18, STEP_50_MV),
350         regulator_desc_s2mps11_ldo(19, STEP_50_MV),
351         regulator_desc_s2mps11_ldo(20, STEP_50_MV),
352         regulator_desc_s2mps11_ldo(21, STEP_50_MV),
353         regulator_desc_s2mps11_ldo(22, STEP_25_MV),
354         regulator_desc_s2mps11_ldo(23, STEP_25_MV),
355         regulator_desc_s2mps11_ldo(24, STEP_50_MV),
356         regulator_desc_s2mps11_ldo(25, STEP_50_MV),
357         regulator_desc_s2mps11_ldo(26, STEP_50_MV),
358         regulator_desc_s2mps11_ldo(27, STEP_25_MV),
359         regulator_desc_s2mps11_ldo(28, STEP_50_MV),
360         regulator_desc_s2mps11_ldo(29, STEP_50_MV),
361         regulator_desc_s2mps11_ldo(30, STEP_50_MV),
362         regulator_desc_s2mps11_ldo(31, STEP_50_MV),
363         regulator_desc_s2mps11_ldo(32, STEP_50_MV),
364         regulator_desc_s2mps11_ldo(33, STEP_50_MV),
365         regulator_desc_s2mps11_ldo(34, STEP_50_MV),
366         regulator_desc_s2mps11_ldo(35, STEP_50_MV),
367         regulator_desc_s2mps11_ldo(36, STEP_50_MV),
368         regulator_desc_s2mps11_ldo(37, STEP_50_MV),
369         regulator_desc_s2mps11_ldo(38, STEP_50_MV),
370         regulator_desc_s2mps11_buck1_4(1),
371         regulator_desc_s2mps11_buck1_4(2),
372         regulator_desc_s2mps11_buck1_4(3),
373         regulator_desc_s2mps11_buck1_4(4),
374         regulator_desc_s2mps11_buck5,
375         regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
376         regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV),
377         regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV),
378         regulator_desc_s2mps11_buck9,
379         regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
380 };
381
382 static const struct regulator_ops s2mps14_reg_ops;
383
384 #define regulator_desc_s2mps13_ldo(num, min, step, min_sel) {   \
385         .name           = "LDO"#num,                            \
386         .id             = S2MPS13_LDO##num,                     \
387         .ops            = &s2mps14_reg_ops,                     \
388         .type           = REGULATOR_VOLTAGE,                    \
389         .owner          = THIS_MODULE,                          \
390         .min_uV         = min,                                  \
391         .uV_step        = step,                                 \
392         .linear_min_sel = min_sel,                              \
393         .n_voltages     = S2MPS14_LDO_N_VOLTAGES,               \
394         .vsel_reg       = S2MPS13_REG_L1CTRL + num - 1,         \
395         .vsel_mask      = S2MPS14_LDO_VSEL_MASK,                \
396         .enable_reg     = S2MPS13_REG_L1CTRL + num - 1,         \
397         .enable_mask    = S2MPS14_ENABLE_MASK                   \
398 }
399
400 #define regulator_desc_s2mps13_buck(num, min, step, min_sel) {  \
401         .name           = "BUCK"#num,                           \
402         .id             = S2MPS13_BUCK##num,                    \
403         .ops            = &s2mps14_reg_ops,                     \
404         .type           = REGULATOR_VOLTAGE,                    \
405         .owner          = THIS_MODULE,                          \
406         .min_uV         = min,                                  \
407         .uV_step        = step,                                 \
408         .linear_min_sel = min_sel,                              \
409         .n_voltages     = S2MPS14_BUCK_N_VOLTAGES,              \
410         .ramp_delay     = S2MPS13_BUCK_RAMP_DELAY,              \
411         .vsel_reg       = S2MPS13_REG_B1OUT + (num - 1) * 2,    \
412         .vsel_mask      = S2MPS14_BUCK_VSEL_MASK,               \
413         .enable_reg     = S2MPS13_REG_B1CTRL + (num - 1) * 2,   \
414         .enable_mask    = S2MPS14_ENABLE_MASK                   \
415 }
416
417 #define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \
418         .name           = "BUCK"#num,                           \
419         .id             = S2MPS13_BUCK##num,                    \
420         .ops            = &s2mps14_reg_ops,                     \
421         .type           = REGULATOR_VOLTAGE,                    \
422         .owner          = THIS_MODULE,                          \
423         .min_uV         = min,                                  \
424         .uV_step        = step,                                 \
425         .linear_min_sel = min_sel,                              \
426         .n_voltages     = S2MPS14_BUCK_N_VOLTAGES,              \
427         .ramp_delay     = S2MPS13_BUCK_RAMP_DELAY,              \
428         .vsel_reg       = S2MPS13_REG_B1OUT + (num) * 2 - 1,    \
429         .vsel_mask      = S2MPS14_BUCK_VSEL_MASK,               \
430         .enable_reg     = S2MPS13_REG_B1CTRL + (num - 1) * 2,   \
431         .enable_mask    = S2MPS14_ENABLE_MASK                   \
432 }
433
434 #define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) {      \
435         .name           = "BUCK"#num,                           \
436         .id             = S2MPS13_BUCK##num,                    \
437         .ops            = &s2mps14_reg_ops,                     \
438         .type           = REGULATOR_VOLTAGE,                    \
439         .owner          = THIS_MODULE,                          \
440         .min_uV         = min,                                  \
441         .uV_step        = step,                                 \
442         .linear_min_sel = min_sel,                              \
443         .n_voltages     = S2MPS14_BUCK_N_VOLTAGES,              \
444         .ramp_delay     = S2MPS13_BUCK_RAMP_DELAY,              \
445         .vsel_reg       = S2MPS13_REG_B1OUT + (num) * 2 - 1,    \
446         .vsel_mask      = S2MPS14_BUCK_VSEL_MASK,               \
447         .enable_reg     = S2MPS13_REG_B1CTRL + (num) * 2 - 1,   \
448         .enable_mask    = S2MPS14_ENABLE_MASK                   \
449 }
450
451 static const struct regulator_desc s2mps13_regulators[] = {
452         regulator_desc_s2mps13_ldo(1,  MIN_800_MV,  STEP_12_5_MV, 0x00),
453         regulator_desc_s2mps13_ldo(2,  MIN_1400_MV, STEP_50_MV,   0x0C),
454         regulator_desc_s2mps13_ldo(3,  MIN_1000_MV, STEP_25_MV,   0x08),
455         regulator_desc_s2mps13_ldo(4,  MIN_800_MV,  STEP_12_5_MV, 0x00),
456         regulator_desc_s2mps13_ldo(5,  MIN_800_MV,  STEP_12_5_MV, 0x00),
457         regulator_desc_s2mps13_ldo(6,  MIN_800_MV,  STEP_12_5_MV, 0x00),
458         regulator_desc_s2mps13_ldo(7,  MIN_1000_MV, STEP_25_MV,   0x08),
459         regulator_desc_s2mps13_ldo(8,  MIN_1000_MV, STEP_25_MV,   0x08),
460         regulator_desc_s2mps13_ldo(9,  MIN_1000_MV, STEP_25_MV,   0x08),
461         regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV,   0x0C),
462         regulator_desc_s2mps13_ldo(11, MIN_800_MV,  STEP_25_MV,   0x10),
463         regulator_desc_s2mps13_ldo(12, MIN_800_MV,  STEP_25_MV,   0x10),
464         regulator_desc_s2mps13_ldo(13, MIN_800_MV,  STEP_25_MV,   0x10),
465         regulator_desc_s2mps13_ldo(14, MIN_800_MV,  STEP_12_5_MV, 0x00),
466         regulator_desc_s2mps13_ldo(15, MIN_800_MV,  STEP_12_5_MV, 0x00),
467         regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV,   0x0C),
468         regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV,   0x0C),
469         regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV,   0x08),
470         regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV,   0x08),
471         regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV,   0x0C),
472         regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV,   0x08),
473         regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV,   0x08),
474         regulator_desc_s2mps13_ldo(23, MIN_800_MV,  STEP_12_5_MV, 0x00),
475         regulator_desc_s2mps13_ldo(24, MIN_800_MV,  STEP_12_5_MV, 0x00),
476         regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV,   0x0C),
477         regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV,   0x0C),
478         regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV,   0x0C),
479         regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV,   0x08),
480         regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV,   0x0C),
481         regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV,   0x0C),
482         regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV,   0x08),
483         regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV,   0x08),
484         regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV,   0x0C),
485         regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV,   0x08),
486         regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV,   0x0C),
487         regulator_desc_s2mps13_ldo(36, MIN_800_MV,  STEP_12_5_MV, 0x00),
488         regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV,   0x08),
489         regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV,   0x0C),
490         regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV,   0x08),
491         regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV,   0x0C),
492         regulator_desc_s2mps13_buck(1,  MIN_500_MV,  STEP_6_25_MV, 0x10),
493         regulator_desc_s2mps13_buck(2,  MIN_500_MV,  STEP_6_25_MV, 0x10),
494         regulator_desc_s2mps13_buck(3,  MIN_500_MV,  STEP_6_25_MV, 0x10),
495         regulator_desc_s2mps13_buck(4,  MIN_500_MV,  STEP_6_25_MV, 0x10),
496         regulator_desc_s2mps13_buck(5,  MIN_500_MV,  STEP_6_25_MV, 0x10),
497         regulator_desc_s2mps13_buck(6,  MIN_500_MV,  STEP_6_25_MV, 0x10),
498         regulator_desc_s2mps13_buck7(7,  MIN_500_MV,  STEP_6_25_MV, 0x10),
499         regulator_desc_s2mps13_buck8_10(8,  MIN_1000_MV, STEP_12_5_MV, 0x20),
500         regulator_desc_s2mps13_buck8_10(9,  MIN_1000_MV, STEP_12_5_MV, 0x20),
501         regulator_desc_s2mps13_buck8_10(10, MIN_500_MV,  STEP_6_25_MV, 0x10),
502 };
503
504 static int s2mps14_regulator_enable(struct regulator_dev *rdev)
505 {
506         struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
507         unsigned int val;
508
509         switch (s2mps11->dev_type) {
510         case S2MPS13X:
511         case S2MPS14X:
512                 if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
513                         val = S2MPS14_ENABLE_SUSPEND;
514                 else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)]))
515                         val = S2MPS14_ENABLE_EXT_CONTROL;
516                 else
517                         val = rdev->desc->enable_mask;
518                 break;
519         case S2MPU02:
520                 if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
521                         val = S2MPU02_ENABLE_SUSPEND;
522                 else
523                         val = rdev->desc->enable_mask;
524                 break;
525         default:
526                 return -EINVAL;
527         }
528
529         return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
530                         rdev->desc->enable_mask, val);
531 }
532
533 static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
534 {
535         int ret;
536         unsigned int val, state;
537         struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
538         int rdev_id = rdev_get_id(rdev);
539
540         /* Below LDO should be always on or does not support suspend mode. */
541         switch (s2mps11->dev_type) {
542         case S2MPS13X:
543         case S2MPS14X:
544                 switch (rdev_id) {
545                 case S2MPS14_LDO3:
546                         return 0;
547                 default:
548                         state = S2MPS14_ENABLE_SUSPEND;
549                         break;
550                 }
551                 break;
552         case S2MPU02:
553                 switch (rdev_id) {
554                 case S2MPU02_LDO13:
555                 case S2MPU02_LDO14:
556                 case S2MPU02_LDO15:
557                 case S2MPU02_LDO17:
558                 case S2MPU02_BUCK7:
559                         state = S2MPU02_DISABLE_SUSPEND;
560                         break;
561                 default:
562                         state = S2MPU02_ENABLE_SUSPEND;
563                         break;
564                 }
565                 break;
566         default:
567                 return -EINVAL;
568         }
569
570         ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
571         if (ret < 0)
572                 return ret;
573
574         set_bit(rdev_get_id(rdev), s2mps11->suspend_state);
575         /*
576          * Don't enable suspend mode if regulator is already disabled because
577          * this would effectively for a short time turn on the regulator after
578          * resuming.
579          * However we still want to toggle the suspend_state bit for regulator
580          * in case if it got enabled before suspending the system.
581          */
582         if (!(val & rdev->desc->enable_mask))
583                 return 0;
584
585         return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
586                         rdev->desc->enable_mask, state);
587 }
588
589 static const struct regulator_ops s2mps14_reg_ops = {
590         .list_voltage           = regulator_list_voltage_linear,
591         .map_voltage            = regulator_map_voltage_linear,
592         .is_enabled             = regulator_is_enabled_regmap,
593         .enable                 = s2mps14_regulator_enable,
594         .disable                = regulator_disable_regmap,
595         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
596         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
597         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
598         .set_suspend_disable    = s2mps14_regulator_set_suspend_disable,
599 };
600
601 #define regulator_desc_s2mps14_ldo(num, min, step) {    \
602         .name           = "LDO"#num,                    \
603         .id             = S2MPS14_LDO##num,             \
604         .ops            = &s2mps14_reg_ops,             \
605         .type           = REGULATOR_VOLTAGE,            \
606         .owner          = THIS_MODULE,                  \
607         .min_uV         = min,                          \
608         .uV_step        = step,                         \
609         .n_voltages     = S2MPS14_LDO_N_VOLTAGES,       \
610         .vsel_reg       = S2MPS14_REG_L1CTRL + num - 1, \
611         .vsel_mask      = S2MPS14_LDO_VSEL_MASK,        \
612         .enable_reg     = S2MPS14_REG_L1CTRL + num - 1, \
613         .enable_mask    = S2MPS14_ENABLE_MASK           \
614 }
615
616 #define regulator_desc_s2mps14_buck(num, min, step, min_sel) {  \
617         .name           = "BUCK"#num,                           \
618         .id             = S2MPS14_BUCK##num,                    \
619         .ops            = &s2mps14_reg_ops,                     \
620         .type           = REGULATOR_VOLTAGE,                    \
621         .owner          = THIS_MODULE,                          \
622         .min_uV         = min,                                  \
623         .uV_step        = step,                                 \
624         .n_voltages     = S2MPS14_BUCK_N_VOLTAGES,              \
625         .linear_min_sel = min_sel,                              \
626         .ramp_delay     = S2MPS14_BUCK_RAMP_DELAY,              \
627         .vsel_reg       = S2MPS14_REG_B1CTRL2 + (num - 1) * 2,  \
628         .vsel_mask      = S2MPS14_BUCK_VSEL_MASK,               \
629         .enable_reg     = S2MPS14_REG_B1CTRL1 + (num - 1) * 2,  \
630         .enable_mask    = S2MPS14_ENABLE_MASK                   \
631 }
632
633 static const struct regulator_desc s2mps14_regulators[] = {
634         regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV),
635         regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV),
636         regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV),
637         regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV),
638         regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV),
639         regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV),
640         regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV),
641         regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV),
642         regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV),
643         regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV),
644         regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV),
645         regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV),
646         regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV),
647         regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV),
648         regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV),
649         regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV),
650         regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV),
651         regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV),
652         regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV),
653         regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV),
654         regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV),
655         regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV),
656         regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV),
657         regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV),
658         regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV),
659         regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV,
660                                     S2MPS14_BUCK1235_START_SEL),
661         regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV,
662                                     S2MPS14_BUCK1235_START_SEL),
663         regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV,
664                                     S2MPS14_BUCK1235_START_SEL),
665         regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV,
666                                     S2MPS14_BUCK4_START_SEL),
667         regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV,
668                                     S2MPS14_BUCK1235_START_SEL),
669 };
670
671 static const struct regulator_ops s2mps15_reg_ldo_ops = {
672         .list_voltage           = regulator_list_voltage_linear_range,
673         .map_voltage            = regulator_map_voltage_linear_range,
674         .is_enabled             = regulator_is_enabled_regmap,
675         .enable                 = regulator_enable_regmap,
676         .disable                = regulator_disable_regmap,
677         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
678         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
679 };
680
681 static const struct regulator_ops s2mps15_reg_buck_ops = {
682         .list_voltage           = regulator_list_voltage_linear_range,
683         .map_voltage            = regulator_map_voltage_linear_range,
684         .is_enabled             = regulator_is_enabled_regmap,
685         .enable                 = regulator_enable_regmap,
686         .disable                = regulator_disable_regmap,
687         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
688         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
689         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
690 };
691
692 #define regulator_desc_s2mps15_ldo(num, range) {        \
693         .name           = "LDO"#num,                    \
694         .id             = S2MPS15_LDO##num,             \
695         .ops            = &s2mps15_reg_ldo_ops,         \
696         .type           = REGULATOR_VOLTAGE,            \
697         .owner          = THIS_MODULE,                  \
698         .linear_ranges  = range,                        \
699         .n_linear_ranges = ARRAY_SIZE(range),           \
700         .n_voltages     = S2MPS15_LDO_N_VOLTAGES,       \
701         .vsel_reg       = S2MPS15_REG_L1CTRL + num - 1, \
702         .vsel_mask      = S2MPS15_LDO_VSEL_MASK,        \
703         .enable_reg     = S2MPS15_REG_L1CTRL + num - 1, \
704         .enable_mask    = S2MPS15_ENABLE_MASK           \
705 }
706
707 #define regulator_desc_s2mps15_buck(num, range) {                       \
708         .name           = "BUCK"#num,                                   \
709         .id             = S2MPS15_BUCK##num,                            \
710         .ops            = &s2mps15_reg_buck_ops,                        \
711         .type           = REGULATOR_VOLTAGE,                            \
712         .owner          = THIS_MODULE,                                  \
713         .linear_ranges  = range,                                        \
714         .n_linear_ranges = ARRAY_SIZE(range),                           \
715         .ramp_delay     = 12500,                                        \
716         .n_voltages     = S2MPS15_BUCK_N_VOLTAGES,                      \
717         .vsel_reg       = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2),        \
718         .vsel_mask      = S2MPS15_BUCK_VSEL_MASK,                       \
719         .enable_reg     = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2),        \
720         .enable_mask    = S2MPS15_ENABLE_MASK                           \
721 }
722
723 /* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
724 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = {
725         REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
726 };
727
728 /* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
729 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = {
730         REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
731 };
732
733 /* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
734 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = {
735         REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
736 };
737
738 /* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
739 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = {
740         REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
741 };
742
743 /* voltage range for s2mps15 LDO 1 */
744 static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = {
745         REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
746 };
747
748 /* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
749 static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = {
750         REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
751 };
752
753 /* voltage range for s2mps15 BUCK 8, 9 and 10 */
754 static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = {
755         REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
756 };
757
758 static const struct regulator_desc s2mps15_regulators[] = {
759         regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5),
760         regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2),
761         regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1),
762         regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3),
763         regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1),
764         regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2),
765         regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4),
766         regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4),
767         regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4),
768         regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4),
769         regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3),
770         regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3),
771         regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3),
772         regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2),
773         regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1),
774         regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1),
775         regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2),
776         regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1),
777         regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2),
778         regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1),
779         regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2),
780         regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3),
781         regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1),
782         regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2),
783         regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2),
784         regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3),
785         regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1),
786         regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1),
787         regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1),
788         regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1),
789         regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1),
790         regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1),
791         regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1),
792         regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1),
793         regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2),
794         regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2),
795         regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2),
796 };
797
798 static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
799                 struct regulator_dev *rdev)
800 {
801         return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
802                         rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL);
803 }
804
805 static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
806                 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
807 {
808         int *gpio = s2mps11->ext_control_gpio;
809         unsigned int i;
810         unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11,
811                 S2MPS14_LDO12 };
812
813         for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) {
814                 unsigned int reg = valid_regulators[i];
815
816                 if (!rdata[reg].init_data || !rdata[reg].of_node)
817                         continue;
818
819                 gpio[reg] = of_get_named_gpio(rdata[reg].of_node,
820                                 "samsung,ext-control-gpios", 0);
821                 if (gpio_is_valid(gpio[reg]))
822                         dev_dbg(&pdev->dev, "Using GPIO %d for ext-control over %d/%s\n",
823                                         gpio[reg], reg, rdata[reg].name);
824         }
825 }
826
827 static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
828                 struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
829                 unsigned int rdev_num)
830 {
831         struct device_node *reg_np;
832
833         reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
834         if (!reg_np) {
835                 dev_err(&pdev->dev, "could not find regulators sub-node\n");
836                 return -EINVAL;
837         }
838
839         of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num);
840         if (s2mps11->dev_type == S2MPS14X)
841                 s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
842
843         of_node_put(reg_np);
844
845         return 0;
846 }
847
848 static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
849 {
850         unsigned int ramp_val, ramp_shift, ramp_reg;
851
852         switch (rdev_get_id(rdev)) {
853         case S2MPU02_BUCK1:
854                 ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
855                 break;
856         case S2MPU02_BUCK2:
857                 ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT;
858                 break;
859         case S2MPU02_BUCK3:
860                 ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT;
861                 break;
862         case S2MPU02_BUCK4:
863                 ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT;
864                 break;
865         default:
866                 return 0;
867         }
868         ramp_reg = S2MPU02_REG_RAMP1;
869         ramp_val = get_ramp_delay(ramp_delay);
870
871         return regmap_update_bits(rdev->regmap, ramp_reg,
872                                   S2MPU02_BUCK1234_RAMP_MASK << ramp_shift,
873                                   ramp_val << ramp_shift);
874 }
875
876 static const struct regulator_ops s2mpu02_ldo_ops = {
877         .list_voltage           = regulator_list_voltage_linear,
878         .map_voltage            = regulator_map_voltage_linear,
879         .is_enabled             = regulator_is_enabled_regmap,
880         .enable                 = s2mps14_regulator_enable,
881         .disable                = regulator_disable_regmap,
882         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
883         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
884         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
885         .set_suspend_disable    = s2mps14_regulator_set_suspend_disable,
886 };
887
888 static const struct regulator_ops s2mpu02_buck_ops = {
889         .list_voltage           = regulator_list_voltage_linear,
890         .map_voltage            = regulator_map_voltage_linear,
891         .is_enabled             = regulator_is_enabled_regmap,
892         .enable                 = s2mps14_regulator_enable,
893         .disable                = regulator_disable_regmap,
894         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
895         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
896         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
897         .set_suspend_disable    = s2mps14_regulator_set_suspend_disable,
898         .set_ramp_delay         = s2mpu02_set_ramp_delay,
899 };
900
901 #define regulator_desc_s2mpu02_ldo1(num) {              \
902         .name           = "LDO"#num,                    \
903         .id             = S2MPU02_LDO##num,             \
904         .ops            = &s2mpu02_ldo_ops,             \
905         .type           = REGULATOR_VOLTAGE,            \
906         .owner          = THIS_MODULE,                  \
907         .min_uV         = S2MPU02_LDO_MIN_900MV,        \
908         .uV_step        = S2MPU02_LDO_STEP_12_5MV,      \
909         .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
910         .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
911         .vsel_reg       = S2MPU02_REG_L1CTRL,           \
912         .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
913         .enable_reg     = S2MPU02_REG_L1CTRL,           \
914         .enable_mask    = S2MPU02_ENABLE_MASK           \
915 }
916 #define regulator_desc_s2mpu02_ldo2(num) {              \
917         .name           = "LDO"#num,                    \
918         .id             = S2MPU02_LDO##num,             \
919         .ops            = &s2mpu02_ldo_ops,             \
920         .type           = REGULATOR_VOLTAGE,            \
921         .owner          = THIS_MODULE,                  \
922         .min_uV         = S2MPU02_LDO_MIN_1050MV,       \
923         .uV_step        = S2MPU02_LDO_STEP_25MV,        \
924         .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
925         .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
926         .vsel_reg       = S2MPU02_REG_L2CTRL1,          \
927         .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
928         .enable_reg     = S2MPU02_REG_L2CTRL1,          \
929         .enable_mask    = S2MPU02_ENABLE_MASK           \
930 }
931 #define regulator_desc_s2mpu02_ldo3(num) {              \
932         .name           = "LDO"#num,                    \
933         .id             = S2MPU02_LDO##num,             \
934         .ops            = &s2mpu02_ldo_ops,             \
935         .type           = REGULATOR_VOLTAGE,            \
936         .owner          = THIS_MODULE,                  \
937         .min_uV         = S2MPU02_LDO_MIN_900MV,        \
938         .uV_step        = S2MPU02_LDO_STEP_12_5MV,      \
939         .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
940         .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
941         .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
942         .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
943         .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
944         .enable_mask    = S2MPU02_ENABLE_MASK           \
945 }
946 #define regulator_desc_s2mpu02_ldo4(num) {              \
947         .name           = "LDO"#num,                    \
948         .id             = S2MPU02_LDO##num,             \
949         .ops            = &s2mpu02_ldo_ops,             \
950         .type           = REGULATOR_VOLTAGE,            \
951         .owner          = THIS_MODULE,                  \
952         .min_uV         = S2MPU02_LDO_MIN_1050MV,       \
953         .uV_step        = S2MPU02_LDO_STEP_25MV,        \
954         .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
955         .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
956         .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
957         .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
958         .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
959         .enable_mask    = S2MPU02_ENABLE_MASK           \
960 }
961 #define regulator_desc_s2mpu02_ldo5(num) {              \
962         .name           = "LDO"#num,                    \
963         .id             = S2MPU02_LDO##num,             \
964         .ops            = &s2mpu02_ldo_ops,             \
965         .type           = REGULATOR_VOLTAGE,            \
966         .owner          = THIS_MODULE,                  \
967         .min_uV         = S2MPU02_LDO_MIN_1600MV,       \
968         .uV_step        = S2MPU02_LDO_STEP_50MV,        \
969         .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \
970         .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
971         .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
972         .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
973         .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
974         .enable_mask    = S2MPU02_ENABLE_MASK           \
975 }
976
977 #define regulator_desc_s2mpu02_buck1234(num) {                  \
978         .name           = "BUCK"#num,                           \
979         .id             = S2MPU02_BUCK##num,                    \
980         .ops            = &s2mpu02_buck_ops,                    \
981         .type           = REGULATOR_VOLTAGE,                    \
982         .owner          = THIS_MODULE,                          \
983         .min_uV         = S2MPU02_BUCK1234_MIN_600MV,           \
984         .uV_step        = S2MPU02_BUCK1234_STEP_6_25MV,         \
985         .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
986         .linear_min_sel = S2MPU02_BUCK1234_START_SEL,           \
987         .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
988         .vsel_reg       = S2MPU02_REG_B1CTRL2 + (num - 1) * 2,  \
989         .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
990         .enable_reg     = S2MPU02_REG_B1CTRL1 + (num - 1) * 2,  \
991         .enable_mask    = S2MPU02_ENABLE_MASK                   \
992 }
993 #define regulator_desc_s2mpu02_buck5(num) {                     \
994         .name           = "BUCK"#num,                           \
995         .id             = S2MPU02_BUCK##num,                    \
996         .ops            = &s2mpu02_ldo_ops,                     \
997         .type           = REGULATOR_VOLTAGE,                    \
998         .owner          = THIS_MODULE,                          \
999         .min_uV         = S2MPU02_BUCK5_MIN_1081_25MV,          \
1000         .uV_step        = S2MPU02_BUCK5_STEP_6_25MV,            \
1001         .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
1002         .linear_min_sel = S2MPU02_BUCK5_START_SEL,              \
1003         .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
1004         .vsel_reg       = S2MPU02_REG_B5CTRL2,                  \
1005         .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
1006         .enable_reg     = S2MPU02_REG_B5CTRL1,                  \
1007         .enable_mask    = S2MPU02_ENABLE_MASK                   \
1008 }
1009 #define regulator_desc_s2mpu02_buck6(num) {                     \
1010         .name           = "BUCK"#num,                           \
1011         .id             = S2MPU02_BUCK##num,                    \
1012         .ops            = &s2mpu02_ldo_ops,                     \
1013         .type           = REGULATOR_VOLTAGE,                    \
1014         .owner          = THIS_MODULE,                          \
1015         .min_uV         = S2MPU02_BUCK6_MIN_1700MV,             \
1016         .uV_step        = S2MPU02_BUCK6_STEP_2_50MV,            \
1017         .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
1018         .linear_min_sel = S2MPU02_BUCK6_START_SEL,              \
1019         .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
1020         .vsel_reg       = S2MPU02_REG_B6CTRL2,                  \
1021         .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
1022         .enable_reg     = S2MPU02_REG_B6CTRL1,                  \
1023         .enable_mask    = S2MPU02_ENABLE_MASK                   \
1024 }
1025 #define regulator_desc_s2mpu02_buck7(num) {                     \
1026         .name           = "BUCK"#num,                           \
1027         .id             = S2MPU02_BUCK##num,                    \
1028         .ops            = &s2mpu02_ldo_ops,                     \
1029         .type           = REGULATOR_VOLTAGE,                    \
1030         .owner          = THIS_MODULE,                          \
1031         .min_uV         = S2MPU02_BUCK7_MIN_900MV,              \
1032         .uV_step        = S2MPU02_BUCK7_STEP_6_25MV,            \
1033         .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
1034         .linear_min_sel = S2MPU02_BUCK7_START_SEL,              \
1035         .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
1036         .vsel_reg       = S2MPU02_REG_B7CTRL2,                  \
1037         .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
1038         .enable_reg     = S2MPU02_REG_B7CTRL1,                  \
1039         .enable_mask    = S2MPU02_ENABLE_MASK                   \
1040 }
1041
1042 static const struct regulator_desc s2mpu02_regulators[] = {
1043         regulator_desc_s2mpu02_ldo1(1),
1044         regulator_desc_s2mpu02_ldo2(2),
1045         regulator_desc_s2mpu02_ldo4(3),
1046         regulator_desc_s2mpu02_ldo5(4),
1047         regulator_desc_s2mpu02_ldo4(5),
1048         regulator_desc_s2mpu02_ldo3(6),
1049         regulator_desc_s2mpu02_ldo3(7),
1050         regulator_desc_s2mpu02_ldo4(8),
1051         regulator_desc_s2mpu02_ldo5(9),
1052         regulator_desc_s2mpu02_ldo3(10),
1053         regulator_desc_s2mpu02_ldo4(11),
1054         regulator_desc_s2mpu02_ldo5(12),
1055         regulator_desc_s2mpu02_ldo5(13),
1056         regulator_desc_s2mpu02_ldo5(14),
1057         regulator_desc_s2mpu02_ldo5(15),
1058         regulator_desc_s2mpu02_ldo5(16),
1059         regulator_desc_s2mpu02_ldo4(17),
1060         regulator_desc_s2mpu02_ldo5(18),
1061         regulator_desc_s2mpu02_ldo3(19),
1062         regulator_desc_s2mpu02_ldo4(20),
1063         regulator_desc_s2mpu02_ldo5(21),
1064         regulator_desc_s2mpu02_ldo5(22),
1065         regulator_desc_s2mpu02_ldo5(23),
1066         regulator_desc_s2mpu02_ldo4(24),
1067         regulator_desc_s2mpu02_ldo5(25),
1068         regulator_desc_s2mpu02_ldo4(26),
1069         regulator_desc_s2mpu02_ldo5(27),
1070         regulator_desc_s2mpu02_ldo5(28),
1071         regulator_desc_s2mpu02_buck1234(1),
1072         regulator_desc_s2mpu02_buck1234(2),
1073         regulator_desc_s2mpu02_buck1234(3),
1074         regulator_desc_s2mpu02_buck1234(4),
1075         regulator_desc_s2mpu02_buck5(5),
1076         regulator_desc_s2mpu02_buck6(6),
1077         regulator_desc_s2mpu02_buck7(7),
1078 };
1079
1080 static int s2mps11_pmic_probe(struct platform_device *pdev)
1081 {
1082         struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
1083         struct sec_platform_data *pdata = NULL;
1084         struct of_regulator_match *rdata = NULL;
1085         struct regulator_config config = { };
1086         struct s2mps11_info *s2mps11;
1087         unsigned int rdev_num = 0;
1088         int i, ret = 0;
1089         const struct regulator_desc *regulators;
1090
1091         s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
1092                                 GFP_KERNEL);
1093         if (!s2mps11)
1094                 return -ENOMEM;
1095
1096         s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
1097         switch (s2mps11->dev_type) {
1098         case S2MPS11X:
1099                 rdev_num = ARRAY_SIZE(s2mps11_regulators);
1100                 regulators = s2mps11_regulators;
1101                 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators));
1102                 break;
1103         case S2MPS13X:
1104                 rdev_num = ARRAY_SIZE(s2mps13_regulators);
1105                 regulators = s2mps13_regulators;
1106                 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators));
1107                 break;
1108         case S2MPS14X:
1109                 rdev_num = ARRAY_SIZE(s2mps14_regulators);
1110                 regulators = s2mps14_regulators;
1111                 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators));
1112                 break;
1113         case S2MPS15X:
1114                 rdev_num = ARRAY_SIZE(s2mps15_regulators);
1115                 regulators = s2mps15_regulators;
1116                 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators));
1117                 break;
1118         case S2MPU02:
1119                 rdev_num = ARRAY_SIZE(s2mpu02_regulators);
1120                 regulators = s2mpu02_regulators;
1121                 BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators));
1122                 break;
1123         default:
1124                 dev_err(&pdev->dev, "Invalid device type: %u\n",
1125                                     s2mps11->dev_type);
1126                 return -EINVAL;
1127         }
1128
1129         s2mps11->ext_control_gpio = devm_kmalloc_array(&pdev->dev,
1130                         rdev_num, sizeof(*s2mps11->ext_control_gpio),
1131                         GFP_KERNEL);
1132         if (!s2mps11->ext_control_gpio)
1133                 return -ENOMEM;
1134         /*
1135          * 0 is a valid GPIO so initialize all GPIO-s to negative value
1136          * to indicate that external control won't be used for this regulator.
1137          */
1138         for (i = 0; i < rdev_num; i++)
1139                 s2mps11->ext_control_gpio[i] = -EINVAL;
1140
1141         if (!iodev->dev->of_node) {
1142                 if (iodev->pdata) {
1143                         pdata = iodev->pdata;
1144                         goto common_reg;
1145                 } else {
1146                         dev_err(pdev->dev.parent,
1147                                 "Platform data or DT node not supplied\n");
1148                         return -ENODEV;
1149                 }
1150         }
1151
1152         rdata = kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
1153         if (!rdata)
1154                 return -ENOMEM;
1155
1156         for (i = 0; i < rdev_num; i++)
1157                 rdata[i].name = regulators[i].name;
1158
1159         ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
1160         if (ret)
1161                 goto out;
1162
1163 common_reg:
1164         platform_set_drvdata(pdev, s2mps11);
1165
1166         config.dev = &pdev->dev;
1167         config.regmap = iodev->regmap_pmic;
1168         config.driver_data = s2mps11;
1169         config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
1170         config.ena_gpio_initialized = true;
1171         for (i = 0; i < rdev_num; i++) {
1172                 struct regulator_dev *regulator;
1173
1174                 if (pdata) {
1175                         config.init_data = pdata->regulators[i].initdata;
1176                         config.of_node = pdata->regulators[i].reg_node;
1177                 } else {
1178                         config.init_data = rdata[i].init_data;
1179                         config.of_node = rdata[i].of_node;
1180                 }
1181                 config.ena_gpio = s2mps11->ext_control_gpio[i];
1182
1183                 regulator = devm_regulator_register(&pdev->dev,
1184                                                 &regulators[i], &config);
1185                 if (IS_ERR(regulator)) {
1186                         ret = PTR_ERR(regulator);
1187                         dev_err(&pdev->dev, "regulator init failed for %d\n",
1188                                 i);
1189                         goto out;
1190                 }
1191
1192                 if (gpio_is_valid(s2mps11->ext_control_gpio[i])) {
1193                         ret = s2mps14_pmic_enable_ext_control(s2mps11,
1194                                         regulator);
1195                         if (ret < 0) {
1196                                 dev_err(&pdev->dev,
1197                                                 "failed to enable GPIO control over %s: %d\n",
1198                                                 regulator->desc->name, ret);
1199                                 goto out;
1200                         }
1201                 }
1202         }
1203
1204 out:
1205         kfree(rdata);
1206
1207         return ret;
1208 }
1209
1210 static const struct platform_device_id s2mps11_pmic_id[] = {
1211         { "s2mps11-regulator", S2MPS11X},
1212         { "s2mps13-regulator", S2MPS13X},
1213         { "s2mps14-regulator", S2MPS14X},
1214         { "s2mps15-regulator", S2MPS15X},
1215         { "s2mpu02-regulator", S2MPU02},
1216         { },
1217 };
1218 MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
1219
1220 static struct platform_driver s2mps11_pmic_driver = {
1221         .driver = {
1222                 .name = "s2mps11-pmic",
1223         },
1224         .probe = s2mps11_pmic_probe,
1225         .id_table = s2mps11_pmic_id,
1226 };
1227
1228 module_platform_driver(s2mps11_pmic_driver);
1229
1230 /* Module information */
1231 MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
1232 MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver");
1233 MODULE_LICENSE("GPL");