Commit | Line | Data |
---|---|---|
cb74685e SK |
1 | /* |
2 | * s2mps11.c | |
3 | * | |
15f77300 | 4 | * Copyright (c) 2012-2014 Samsung Electronics Co., Ltd |
cb74685e SK |
5 | * http://www.samsung.com |
6 | * | |
15f77300 KK |
7 | * This program is free software; you can redistribute it and/or modify it |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the License, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
cb74685e SK |
16 | * |
17 | */ | |
18 | ||
19 | #include <linux/bug.h> | |
cb74685e SK |
20 | #include <linux/err.h> |
21 | #include <linux/gpio.h> | |
22 | #include <linux/slab.h> | |
23 | #include <linux/module.h> | |
a50c6b32 | 24 | #include <linux/of.h> |
939c0277 | 25 | #include <linux/regmap.h> |
cb74685e SK |
26 | #include <linux/platform_device.h> |
27 | #include <linux/regulator/driver.h> | |
28 | #include <linux/regulator/machine.h> | |
a50c6b32 | 29 | #include <linux/regulator/of_regulator.h> |
cb74685e SK |
30 | #include <linux/mfd/samsung/core.h> |
31 | #include <linux/mfd/samsung/s2mps11.h> | |
15f77300 | 32 | #include <linux/mfd/samsung/s2mps14.h> |
a50c6b32 | 33 | |
cb74685e | 34 | struct s2mps11_info { |
3e80f95b | 35 | unsigned int rdev_num; |
cb74685e SK |
36 | int ramp_delay2; |
37 | int ramp_delay34; | |
38 | int ramp_delay5; | |
39 | int ramp_delay16; | |
40 | int ramp_delay7810; | |
41 | int ramp_delay9; | |
05be09bb KK |
42 | /* |
43 | * One bit for each S2MPS14 regulator whether the suspend mode | |
44 | * was enabled. | |
45 | */ | |
46 | unsigned int s2mps14_suspend_state:30; | |
cb74685e SK |
47 | }; |
48 | ||
49 | static int get_ramp_delay(int ramp_delay) | |
50 | { | |
51 | unsigned char cnt = 0; | |
52 | ||
90068348 | 53 | ramp_delay /= 6250; |
cb74685e SK |
54 | |
55 | while (true) { | |
56 | ramp_delay = ramp_delay >> 1; | |
57 | if (ramp_delay == 0) | |
58 | break; | |
59 | cnt++; | |
60 | } | |
f8f1d48b AL |
61 | |
62 | if (cnt > 3) | |
63 | cnt = 3; | |
64 | ||
cb74685e SK |
65 | return cnt; |
66 | } | |
67 | ||
1e1598ed YSB |
68 | static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, |
69 | unsigned int old_selector, | |
70 | unsigned int new_selector) | |
71 | { | |
72 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
73 | unsigned int ramp_delay = 0; | |
74 | int old_volt, new_volt; | |
75 | ||
d55efa4d | 76 | switch (rdev_get_id(rdev)) { |
1e1598ed | 77 | case S2MPS11_BUCK2: |
1e1598ed YSB |
78 | ramp_delay = s2mps11->ramp_delay2; |
79 | break; | |
80 | case S2MPS11_BUCK3: | |
1e1598ed | 81 | case S2MPS11_BUCK4: |
1e1598ed YSB |
82 | ramp_delay = s2mps11->ramp_delay34; |
83 | break; | |
84 | case S2MPS11_BUCK5: | |
85 | ramp_delay = s2mps11->ramp_delay5; | |
86 | break; | |
87 | case S2MPS11_BUCK6: | |
1e1598ed YSB |
88 | case S2MPS11_BUCK1: |
89 | ramp_delay = s2mps11->ramp_delay16; | |
90 | break; | |
91 | case S2MPS11_BUCK7: | |
92 | case S2MPS11_BUCK8: | |
93 | case S2MPS11_BUCK10: | |
94 | ramp_delay = s2mps11->ramp_delay7810; | |
95 | break; | |
96 | case S2MPS11_BUCK9: | |
97 | ramp_delay = s2mps11->ramp_delay9; | |
98 | } | |
99 | ||
100 | if (ramp_delay == 0) | |
101 | ramp_delay = rdev->desc->ramp_delay; | |
102 | ||
103 | old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); | |
104 | new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); | |
105 | ||
106 | return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); | |
107 | } | |
108 | ||
939c0277 YSB |
109 | static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
110 | { | |
111 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
112 | unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; | |
113 | unsigned int ramp_enable = 1, enable_shift = 0; | |
114 | int ret; | |
115 | ||
d55efa4d | 116 | switch (rdev_get_id(rdev)) { |
939c0277 YSB |
117 | case S2MPS11_BUCK1: |
118 | if (ramp_delay > s2mps11->ramp_delay16) | |
119 | s2mps11->ramp_delay16 = ramp_delay; | |
120 | else | |
121 | ramp_delay = s2mps11->ramp_delay16; | |
122 | ||
123 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
124 | break; | |
125 | case S2MPS11_BUCK2: | |
126 | enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; | |
127 | if (!ramp_delay) { | |
128 | ramp_enable = 0; | |
129 | break; | |
130 | } | |
131 | ||
132 | s2mps11->ramp_delay2 = ramp_delay; | |
133 | ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; | |
134 | ramp_reg = S2MPS11_REG_RAMP; | |
135 | break; | |
136 | case S2MPS11_BUCK3: | |
137 | enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; | |
138 | if (!ramp_delay) { | |
139 | ramp_enable = 0; | |
140 | break; | |
141 | } | |
142 | ||
143 | if (ramp_delay > s2mps11->ramp_delay34) | |
144 | s2mps11->ramp_delay34 = ramp_delay; | |
145 | else | |
146 | ramp_delay = s2mps11->ramp_delay34; | |
147 | ||
148 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
149 | ramp_reg = S2MPS11_REG_RAMP; | |
150 | break; | |
151 | case S2MPS11_BUCK4: | |
152 | enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; | |
153 | if (!ramp_delay) { | |
154 | ramp_enable = 0; | |
155 | break; | |
156 | } | |
157 | ||
158 | if (ramp_delay > s2mps11->ramp_delay34) | |
159 | s2mps11->ramp_delay34 = ramp_delay; | |
160 | else | |
161 | ramp_delay = s2mps11->ramp_delay34; | |
162 | ||
163 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
164 | ramp_reg = S2MPS11_REG_RAMP; | |
165 | break; | |
166 | case S2MPS11_BUCK5: | |
167 | s2mps11->ramp_delay5 = ramp_delay; | |
168 | ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; | |
169 | break; | |
170 | case S2MPS11_BUCK6: | |
171 | enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; | |
172 | if (!ramp_delay) { | |
173 | ramp_enable = 0; | |
174 | break; | |
175 | } | |
176 | ||
177 | if (ramp_delay > s2mps11->ramp_delay16) | |
178 | s2mps11->ramp_delay16 = ramp_delay; | |
179 | else | |
180 | ramp_delay = s2mps11->ramp_delay16; | |
181 | ||
182 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
183 | break; | |
184 | case S2MPS11_BUCK7: | |
185 | case S2MPS11_BUCK8: | |
186 | case S2MPS11_BUCK10: | |
187 | if (ramp_delay > s2mps11->ramp_delay7810) | |
188 | s2mps11->ramp_delay7810 = ramp_delay; | |
189 | else | |
190 | ramp_delay = s2mps11->ramp_delay7810; | |
191 | ||
192 | ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; | |
193 | break; | |
194 | case S2MPS11_BUCK9: | |
195 | s2mps11->ramp_delay9 = ramp_delay; | |
196 | ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; | |
197 | break; | |
198 | default: | |
199 | return 0; | |
200 | } | |
201 | ||
202 | if (!ramp_enable) | |
203 | goto ramp_disable; | |
204 | ||
b96244fa AL |
205 | ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
206 | 1 << enable_shift, 1 << enable_shift); | |
207 | if (ret) { | |
208 | dev_err(&rdev->dev, "failed to enable ramp rate\n"); | |
209 | return ret; | |
939c0277 YSB |
210 | } |
211 | ||
212 | ramp_val = get_ramp_delay(ramp_delay); | |
213 | ||
f8f1d48b AL |
214 | return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, |
215 | ramp_val << ramp_shift); | |
939c0277 YSB |
216 | |
217 | ramp_disable: | |
80853304 AL |
218 | return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
219 | 1 << enable_shift, 0); | |
939c0277 YSB |
220 | } |
221 | ||
cb74685e SK |
222 | static struct regulator_ops s2mps11_ldo_ops = { |
223 | .list_voltage = regulator_list_voltage_linear, | |
224 | .map_voltage = regulator_map_voltage_linear, | |
225 | .is_enabled = regulator_is_enabled_regmap, | |
226 | .enable = regulator_enable_regmap, | |
227 | .disable = regulator_disable_regmap, | |
228 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
229 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
230 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
231 | }; | |
232 | ||
233 | static struct regulator_ops s2mps11_buck_ops = { | |
234 | .list_voltage = regulator_list_voltage_linear, | |
235 | .map_voltage = regulator_map_voltage_linear, | |
236 | .is_enabled = regulator_is_enabled_regmap, | |
237 | .enable = regulator_enable_regmap, | |
238 | .disable = regulator_disable_regmap, | |
239 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
240 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
1e1598ed | 241 | .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, |
939c0277 | 242 | .set_ramp_delay = s2mps11_set_ramp_delay, |
cb74685e SK |
243 | }; |
244 | ||
15f77300 | 245 | #define regulator_desc_s2mps11_ldo1(num) { \ |
cb74685e SK |
246 | .name = "LDO"#num, \ |
247 | .id = S2MPS11_LDO##num, \ | |
248 | .ops = &s2mps11_ldo_ops, \ | |
249 | .type = REGULATOR_VOLTAGE, \ | |
250 | .owner = THIS_MODULE, \ | |
251 | .min_uV = S2MPS11_LDO_MIN, \ | |
252 | .uV_step = S2MPS11_LDO_STEP1, \ | |
253 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
254 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 255 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
256 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
257 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
258 | } | |
15f77300 | 259 | #define regulator_desc_s2mps11_ldo2(num) { \ |
cb74685e SK |
260 | .name = "LDO"#num, \ |
261 | .id = S2MPS11_LDO##num, \ | |
262 | .ops = &s2mps11_ldo_ops, \ | |
263 | .type = REGULATOR_VOLTAGE, \ | |
264 | .owner = THIS_MODULE, \ | |
265 | .min_uV = S2MPS11_LDO_MIN, \ | |
266 | .uV_step = S2MPS11_LDO_STEP2, \ | |
267 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
268 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 269 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
270 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
271 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
272 | } | |
273 | ||
15f77300 | 274 | #define regulator_desc_s2mps11_buck1_4(num) { \ |
cb74685e SK |
275 | .name = "BUCK"#num, \ |
276 | .id = S2MPS11_BUCK##num, \ | |
277 | .ops = &s2mps11_buck_ops, \ | |
278 | .type = REGULATOR_VOLTAGE, \ | |
279 | .owner = THIS_MODULE, \ | |
280 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
281 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
282 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 283 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 284 | .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ |
2693fcab | 285 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
286 | .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ |
287 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
288 | } | |
289 | ||
15f77300 | 290 | #define regulator_desc_s2mps11_buck5 { \ |
cb74685e SK |
291 | .name = "BUCK5", \ |
292 | .id = S2MPS11_BUCK5, \ | |
293 | .ops = &s2mps11_buck_ops, \ | |
294 | .type = REGULATOR_VOLTAGE, \ | |
295 | .owner = THIS_MODULE, \ | |
296 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
297 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
298 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 299 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 300 | .vsel_reg = S2MPS11_REG_B5CTRL2, \ |
2693fcab | 301 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
302 | .enable_reg = S2MPS11_REG_B5CTRL1, \ |
303 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
304 | } | |
305 | ||
15f77300 | 306 | #define regulator_desc_s2mps11_buck6_8(num) { \ |
cb74685e SK |
307 | .name = "BUCK"#num, \ |
308 | .id = S2MPS11_BUCK##num, \ | |
309 | .ops = &s2mps11_buck_ops, \ | |
310 | .type = REGULATOR_VOLTAGE, \ | |
311 | .owner = THIS_MODULE, \ | |
312 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
313 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
314 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 315 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 316 | .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ |
2693fcab | 317 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
318 | .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ |
319 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
320 | } | |
321 | ||
15f77300 | 322 | #define regulator_desc_s2mps11_buck9 { \ |
cb74685e SK |
323 | .name = "BUCK9", \ |
324 | .id = S2MPS11_BUCK9, \ | |
325 | .ops = &s2mps11_buck_ops, \ | |
326 | .type = REGULATOR_VOLTAGE, \ | |
327 | .owner = THIS_MODULE, \ | |
328 | .min_uV = S2MPS11_BUCK_MIN3, \ | |
329 | .uV_step = S2MPS11_BUCK_STEP3, \ | |
330 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 331 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 332 | .vsel_reg = S2MPS11_REG_B9CTRL2, \ |
2693fcab | 333 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
334 | .enable_reg = S2MPS11_REG_B9CTRL1, \ |
335 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
336 | } | |
337 | ||
15f77300 | 338 | #define regulator_desc_s2mps11_buck10 { \ |
cb74685e SK |
339 | .name = "BUCK10", \ |
340 | .id = S2MPS11_BUCK10, \ | |
341 | .ops = &s2mps11_buck_ops, \ | |
342 | .type = REGULATOR_VOLTAGE, \ | |
343 | .owner = THIS_MODULE, \ | |
344 | .min_uV = S2MPS11_BUCK_MIN2, \ | |
345 | .uV_step = S2MPS11_BUCK_STEP2, \ | |
346 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 347 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
c76edd52 | 348 | .vsel_reg = S2MPS11_REG_B10CTRL2, \ |
2693fcab | 349 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
c76edd52 | 350 | .enable_reg = S2MPS11_REG_B10CTRL1, \ |
cb74685e SK |
351 | .enable_mask = S2MPS11_ENABLE_MASK \ |
352 | } | |
353 | ||
0f4cc282 | 354 | static const struct regulator_desc s2mps11_regulators[] = { |
15f77300 KK |
355 | regulator_desc_s2mps11_ldo2(1), |
356 | regulator_desc_s2mps11_ldo1(2), | |
357 | regulator_desc_s2mps11_ldo1(3), | |
358 | regulator_desc_s2mps11_ldo1(4), | |
359 | regulator_desc_s2mps11_ldo1(5), | |
360 | regulator_desc_s2mps11_ldo2(6), | |
361 | regulator_desc_s2mps11_ldo1(7), | |
362 | regulator_desc_s2mps11_ldo1(8), | |
363 | regulator_desc_s2mps11_ldo1(9), | |
364 | regulator_desc_s2mps11_ldo1(10), | |
365 | regulator_desc_s2mps11_ldo2(11), | |
366 | regulator_desc_s2mps11_ldo1(12), | |
367 | regulator_desc_s2mps11_ldo1(13), | |
368 | regulator_desc_s2mps11_ldo1(14), | |
369 | regulator_desc_s2mps11_ldo1(15), | |
370 | regulator_desc_s2mps11_ldo1(16), | |
371 | regulator_desc_s2mps11_ldo1(17), | |
372 | regulator_desc_s2mps11_ldo1(18), | |
373 | regulator_desc_s2mps11_ldo1(19), | |
374 | regulator_desc_s2mps11_ldo1(20), | |
375 | regulator_desc_s2mps11_ldo1(21), | |
376 | regulator_desc_s2mps11_ldo2(22), | |
377 | regulator_desc_s2mps11_ldo2(23), | |
378 | regulator_desc_s2mps11_ldo1(24), | |
379 | regulator_desc_s2mps11_ldo1(25), | |
380 | regulator_desc_s2mps11_ldo1(26), | |
381 | regulator_desc_s2mps11_ldo2(27), | |
382 | regulator_desc_s2mps11_ldo1(28), | |
383 | regulator_desc_s2mps11_ldo1(29), | |
384 | regulator_desc_s2mps11_ldo1(30), | |
385 | regulator_desc_s2mps11_ldo1(31), | |
386 | regulator_desc_s2mps11_ldo1(32), | |
387 | regulator_desc_s2mps11_ldo1(33), | |
388 | regulator_desc_s2mps11_ldo1(34), | |
389 | regulator_desc_s2mps11_ldo1(35), | |
390 | regulator_desc_s2mps11_ldo1(36), | |
391 | regulator_desc_s2mps11_ldo1(37), | |
392 | regulator_desc_s2mps11_ldo1(38), | |
393 | regulator_desc_s2mps11_buck1_4(1), | |
394 | regulator_desc_s2mps11_buck1_4(2), | |
395 | regulator_desc_s2mps11_buck1_4(3), | |
396 | regulator_desc_s2mps11_buck1_4(4), | |
397 | regulator_desc_s2mps11_buck5, | |
398 | regulator_desc_s2mps11_buck6_8(6), | |
399 | regulator_desc_s2mps11_buck6_8(7), | |
400 | regulator_desc_s2mps11_buck6_8(8), | |
401 | regulator_desc_s2mps11_buck9, | |
402 | regulator_desc_s2mps11_buck10, | |
403 | }; | |
404 | ||
05be09bb KK |
405 | static int s2mps14_regulator_enable(struct regulator_dev *rdev) |
406 | { | |
407 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
408 | unsigned int val; | |
409 | ||
410 | if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) | |
411 | val = S2MPS14_ENABLE_SUSPEND; | |
412 | else | |
413 | val = rdev->desc->enable_mask; | |
414 | ||
415 | return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, | |
416 | rdev->desc->enable_mask, val); | |
417 | } | |
418 | ||
419 | static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev) | |
420 | { | |
421 | int ret; | |
422 | unsigned int val; | |
423 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
424 | ||
425 | /* LDO3 should be always on and does not support suspend mode */ | |
426 | if (rdev_get_id(rdev) == S2MPS14_LDO3) | |
427 | return 0; | |
428 | ||
429 | ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); | |
430 | if (ret < 0) | |
431 | return ret; | |
432 | ||
433 | s2mps11->s2mps14_suspend_state |= (1 << rdev_get_id(rdev)); | |
434 | /* | |
435 | * Don't enable suspend mode if regulator is already disabled because | |
436 | * this would effectively for a short time turn on the regulator after | |
437 | * resuming. | |
438 | * However we still want to toggle the suspend_state bit for regulator | |
439 | * in case if it got enabled before suspending the system. | |
440 | */ | |
441 | if (!(val & rdev->desc->enable_mask)) | |
442 | return 0; | |
443 | ||
444 | return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, | |
445 | rdev->desc->enable_mask, S2MPS14_ENABLE_SUSPEND); | |
446 | } | |
447 | ||
15f77300 KK |
448 | static struct regulator_ops s2mps14_reg_ops = { |
449 | .list_voltage = regulator_list_voltage_linear, | |
450 | .map_voltage = regulator_map_voltage_linear, | |
451 | .is_enabled = regulator_is_enabled_regmap, | |
05be09bb | 452 | .enable = s2mps14_regulator_enable, |
15f77300 KK |
453 | .disable = regulator_disable_regmap, |
454 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
455 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
456 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
05be09bb | 457 | .set_suspend_disable = s2mps14_regulator_set_suspend_disable, |
15f77300 KK |
458 | }; |
459 | ||
460 | #define regulator_desc_s2mps14_ldo1(num) { \ | |
461 | .name = "LDO"#num, \ | |
462 | .id = S2MPS14_LDO##num, \ | |
463 | .ops = &s2mps14_reg_ops, \ | |
464 | .type = REGULATOR_VOLTAGE, \ | |
465 | .owner = THIS_MODULE, \ | |
466 | .min_uV = S2MPS14_LDO_MIN_800MV, \ | |
467 | .uV_step = S2MPS14_LDO_STEP_25MV, \ | |
468 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
469 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
470 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
471 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
472 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
473 | } | |
474 | #define regulator_desc_s2mps14_ldo2(num) { \ | |
475 | .name = "LDO"#num, \ | |
476 | .id = S2MPS14_LDO##num, \ | |
477 | .ops = &s2mps14_reg_ops, \ | |
478 | .type = REGULATOR_VOLTAGE, \ | |
479 | .owner = THIS_MODULE, \ | |
480 | .min_uV = S2MPS14_LDO_MIN_1800MV, \ | |
481 | .uV_step = S2MPS14_LDO_STEP_25MV, \ | |
482 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
483 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
484 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
485 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
486 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
487 | } | |
488 | #define regulator_desc_s2mps14_ldo3(num) { \ | |
489 | .name = "LDO"#num, \ | |
490 | .id = S2MPS14_LDO##num, \ | |
491 | .ops = &s2mps14_reg_ops, \ | |
492 | .type = REGULATOR_VOLTAGE, \ | |
493 | .owner = THIS_MODULE, \ | |
494 | .min_uV = S2MPS14_LDO_MIN_800MV, \ | |
495 | .uV_step = S2MPS14_LDO_STEP_12_5MV, \ | |
496 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
497 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
498 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
499 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
500 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
501 | } | |
502 | #define regulator_desc_s2mps14_buck1235(num) { \ | |
503 | .name = "BUCK"#num, \ | |
504 | .id = S2MPS14_BUCK##num, \ | |
505 | .ops = &s2mps14_reg_ops, \ | |
506 | .type = REGULATOR_VOLTAGE, \ | |
507 | .owner = THIS_MODULE, \ | |
508 | .min_uV = S2MPS14_BUCK1235_MIN_600MV, \ | |
509 | .uV_step = S2MPS14_BUCK1235_STEP_6_25MV, \ | |
510 | .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ | |
511 | .linear_min_sel = S2MPS14_BUCK1235_START_SEL, \ | |
512 | .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ | |
513 | .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ | |
514 | .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ | |
515 | .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ | |
516 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
517 | } | |
518 | #define regulator_desc_s2mps14_buck4(num) { \ | |
519 | .name = "BUCK"#num, \ | |
520 | .id = S2MPS14_BUCK##num, \ | |
521 | .ops = &s2mps14_reg_ops, \ | |
522 | .type = REGULATOR_VOLTAGE, \ | |
523 | .owner = THIS_MODULE, \ | |
524 | .min_uV = S2MPS14_BUCK4_MIN_1400MV, \ | |
525 | .uV_step = S2MPS14_BUCK4_STEP_12_5MV, \ | |
526 | .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ | |
527 | .linear_min_sel = S2MPS14_BUCK4_START_SEL, \ | |
528 | .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ | |
529 | .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ | |
530 | .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ | |
531 | .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ | |
532 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
533 | } | |
534 | ||
535 | static const struct regulator_desc s2mps14_regulators[] = { | |
536 | regulator_desc_s2mps14_ldo3(1), | |
537 | regulator_desc_s2mps14_ldo3(2), | |
538 | regulator_desc_s2mps14_ldo1(3), | |
539 | regulator_desc_s2mps14_ldo1(4), | |
540 | regulator_desc_s2mps14_ldo3(5), | |
541 | regulator_desc_s2mps14_ldo3(6), | |
542 | regulator_desc_s2mps14_ldo1(7), | |
543 | regulator_desc_s2mps14_ldo2(8), | |
544 | regulator_desc_s2mps14_ldo3(9), | |
545 | regulator_desc_s2mps14_ldo3(10), | |
546 | regulator_desc_s2mps14_ldo1(11), | |
547 | regulator_desc_s2mps14_ldo2(12), | |
548 | regulator_desc_s2mps14_ldo2(13), | |
549 | regulator_desc_s2mps14_ldo2(14), | |
550 | regulator_desc_s2mps14_ldo2(15), | |
551 | regulator_desc_s2mps14_ldo2(16), | |
552 | regulator_desc_s2mps14_ldo2(17), | |
553 | regulator_desc_s2mps14_ldo2(18), | |
554 | regulator_desc_s2mps14_ldo1(19), | |
555 | regulator_desc_s2mps14_ldo1(20), | |
556 | regulator_desc_s2mps14_ldo1(21), | |
557 | regulator_desc_s2mps14_ldo3(22), | |
558 | regulator_desc_s2mps14_ldo1(23), | |
559 | regulator_desc_s2mps14_ldo2(24), | |
560 | regulator_desc_s2mps14_ldo2(25), | |
561 | regulator_desc_s2mps14_buck1235(1), | |
562 | regulator_desc_s2mps14_buck1235(2), | |
563 | regulator_desc_s2mps14_buck1235(3), | |
564 | regulator_desc_s2mps14_buck4(4), | |
565 | regulator_desc_s2mps14_buck1235(5), | |
cb74685e SK |
566 | }; |
567 | ||
a5023574 | 568 | static int s2mps11_pmic_probe(struct platform_device *pdev) |
cb74685e SK |
569 | { |
570 | struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); | |
3e80f95b KK |
571 | struct sec_platform_data *pdata = iodev->pdata; |
572 | struct of_regulator_match *rdata = NULL; | |
a50c6b32 | 573 | struct device_node *reg_np = NULL; |
cb74685e | 574 | struct regulator_config config = { }; |
cb74685e | 575 | struct s2mps11_info *s2mps11; |
3e80f95b | 576 | int i, ret = 0; |
0f4cc282 KK |
577 | const struct regulator_desc *regulators; |
578 | enum sec_device_type dev_type; | |
cb74685e | 579 | |
cb74685e SK |
580 | s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), |
581 | GFP_KERNEL); | |
582 | if (!s2mps11) | |
583 | return -ENOMEM; | |
584 | ||
0f4cc282 KK |
585 | dev_type = platform_get_device_id(pdev)->driver_data; |
586 | switch (dev_type) { | |
587 | case S2MPS11X: | |
588 | s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); | |
589 | regulators = s2mps11_regulators; | |
590 | break; | |
15f77300 KK |
591 | case S2MPS14X: |
592 | s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators); | |
593 | regulators = s2mps14_regulators; | |
594 | break; | |
0f4cc282 KK |
595 | default: |
596 | dev_err(&pdev->dev, "Invalid device type: %u\n", dev_type); | |
597 | return -EINVAL; | |
598 | }; | |
3e80f95b | 599 | |
6c683c92 YSB |
600 | if (!iodev->dev->of_node) { |
601 | if (pdata) { | |
602 | goto common_reg; | |
603 | } else { | |
604 | dev_err(pdev->dev.parent, | |
605 | "Platform data or DT node not supplied\n"); | |
606 | return -ENODEV; | |
607 | } | |
608 | } | |
a50c6b32 | 609 | |
0f4cc282 | 610 | rdata = kzalloc(sizeof(*rdata) * s2mps11->rdev_num, GFP_KERNEL); |
3e80f95b KK |
611 | if (!rdata) |
612 | return -ENOMEM; | |
613 | ||
0f4cc282 | 614 | for (i = 0; i < s2mps11->rdev_num; i++) |
a50c6b32 YSB |
615 | rdata[i].name = regulators[i].name; |
616 | ||
14256f73 | 617 | reg_np = of_get_child_by_name(iodev->dev->of_node, "regulators"); |
a50c6b32 YSB |
618 | if (!reg_np) { |
619 | dev_err(&pdev->dev, "could not find regulators sub-node\n"); | |
3e80f95b KK |
620 | ret = -EINVAL; |
621 | goto out; | |
a50c6b32 YSB |
622 | } |
623 | ||
0f4cc282 | 624 | of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num); |
991acaf6 | 625 | of_node_put(reg_np); |
a50c6b32 | 626 | |
a50c6b32 YSB |
627 | common_reg: |
628 | platform_set_drvdata(pdev, s2mps11); | |
cb74685e | 629 | |
a50c6b32 | 630 | config.dev = &pdev->dev; |
1b1ccee1 | 631 | config.regmap = iodev->regmap_pmic; |
a50c6b32 | 632 | config.driver_data = s2mps11; |
0f4cc282 | 633 | for (i = 0; i < s2mps11->rdev_num; i++) { |
31195252 KK |
634 | struct regulator_dev *regulator; |
635 | ||
a50c6b32 YSB |
636 | if (!reg_np) { |
637 | config.init_data = pdata->regulators[i].initdata; | |
54820f58 | 638 | config.of_node = pdata->regulators[i].reg_node; |
a50c6b32 YSB |
639 | } else { |
640 | config.init_data = rdata[i].init_data; | |
641 | config.of_node = rdata[i].of_node; | |
642 | } | |
cb74685e | 643 | |
31195252 | 644 | regulator = devm_regulator_register(&pdev->dev, |
d55cd794 | 645 | ®ulators[i], &config); |
31195252 KK |
646 | if (IS_ERR(regulator)) { |
647 | ret = PTR_ERR(regulator); | |
232b2504 AL |
648 | dev_err(&pdev->dev, "regulator init failed for %d\n", |
649 | i); | |
3e80f95b | 650 | goto out; |
cb74685e SK |
651 | } |
652 | } | |
653 | ||
3e80f95b KK |
654 | out: |
655 | kfree(rdata); | |
656 | ||
657 | return ret; | |
cb74685e SK |
658 | } |
659 | ||
660 | static const struct platform_device_id s2mps11_pmic_id[] = { | |
3e80f95b | 661 | { "s2mps11-pmic", S2MPS11X}, |
15f77300 | 662 | { "s2mps14-pmic", S2MPS14X}, |
cb74685e SK |
663 | { }, |
664 | }; | |
665 | MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); | |
666 | ||
667 | static struct platform_driver s2mps11_pmic_driver = { | |
668 | .driver = { | |
669 | .name = "s2mps11-pmic", | |
670 | .owner = THIS_MODULE, | |
671 | }, | |
672 | .probe = s2mps11_pmic_probe, | |
cb74685e SK |
673 | .id_table = s2mps11_pmic_id, |
674 | }; | |
675 | ||
676 | static int __init s2mps11_pmic_init(void) | |
677 | { | |
678 | return platform_driver_register(&s2mps11_pmic_driver); | |
679 | } | |
680 | subsys_initcall(s2mps11_pmic_init); | |
681 | ||
682 | static void __exit s2mps11_pmic_exit(void) | |
683 | { | |
684 | platform_driver_unregister(&s2mps11_pmic_driver); | |
685 | } | |
686 | module_exit(s2mps11_pmic_exit); | |
687 | ||
688 | /* Module information */ | |
689 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); | |
15f77300 | 690 | MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14 Regulator Driver"); |
cb74685e | 691 | MODULE_LICENSE("GPL"); |