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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> |
97f53d71 | 30 | #include <linux/of_gpio.h> |
cb74685e SK |
31 | #include <linux/mfd/samsung/core.h> |
32 | #include <linux/mfd/samsung/s2mps11.h> | |
15f77300 | 33 | #include <linux/mfd/samsung/s2mps14.h> |
00e2573d | 34 | #include <linux/mfd/samsung/s2mpu02.h> |
a50c6b32 | 35 | |
cb74685e | 36 | struct s2mps11_info { |
3e80f95b | 37 | unsigned int rdev_num; |
cb74685e SK |
38 | int ramp_delay2; |
39 | int ramp_delay34; | |
40 | int ramp_delay5; | |
41 | int ramp_delay16; | |
42 | int ramp_delay7810; | |
43 | int ramp_delay9; | |
00e2573d CC |
44 | |
45 | enum sec_device_type dev_type; | |
46 | ||
05be09bb | 47 | /* |
00e2573d | 48 | * One bit for each S2MPS14/S2MPU02 regulator whether the suspend mode |
05be09bb KK |
49 | * was enabled. |
50 | */ | |
00e2573d CC |
51 | unsigned long long s2mps14_suspend_state:35; |
52 | ||
97f53d71 KK |
53 | /* Array of size rdev_num with GPIO-s for external sleep control */ |
54 | int *ext_control_gpio; | |
cb74685e SK |
55 | }; |
56 | ||
57 | static int get_ramp_delay(int ramp_delay) | |
58 | { | |
59 | unsigned char cnt = 0; | |
60 | ||
90068348 | 61 | ramp_delay /= 6250; |
cb74685e SK |
62 | |
63 | while (true) { | |
64 | ramp_delay = ramp_delay >> 1; | |
65 | if (ramp_delay == 0) | |
66 | break; | |
67 | cnt++; | |
68 | } | |
f8f1d48b AL |
69 | |
70 | if (cnt > 3) | |
71 | cnt = 3; | |
72 | ||
cb74685e SK |
73 | return cnt; |
74 | } | |
75 | ||
1e1598ed YSB |
76 | static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, |
77 | unsigned int old_selector, | |
78 | unsigned int new_selector) | |
79 | { | |
80 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
81 | unsigned int ramp_delay = 0; | |
82 | int old_volt, new_volt; | |
83 | ||
d55efa4d | 84 | switch (rdev_get_id(rdev)) { |
1e1598ed | 85 | case S2MPS11_BUCK2: |
1e1598ed YSB |
86 | ramp_delay = s2mps11->ramp_delay2; |
87 | break; | |
88 | case S2MPS11_BUCK3: | |
1e1598ed | 89 | case S2MPS11_BUCK4: |
1e1598ed YSB |
90 | ramp_delay = s2mps11->ramp_delay34; |
91 | break; | |
92 | case S2MPS11_BUCK5: | |
93 | ramp_delay = s2mps11->ramp_delay5; | |
94 | break; | |
95 | case S2MPS11_BUCK6: | |
1e1598ed YSB |
96 | case S2MPS11_BUCK1: |
97 | ramp_delay = s2mps11->ramp_delay16; | |
98 | break; | |
99 | case S2MPS11_BUCK7: | |
100 | case S2MPS11_BUCK8: | |
101 | case S2MPS11_BUCK10: | |
102 | ramp_delay = s2mps11->ramp_delay7810; | |
103 | break; | |
104 | case S2MPS11_BUCK9: | |
105 | ramp_delay = s2mps11->ramp_delay9; | |
106 | } | |
107 | ||
108 | if (ramp_delay == 0) | |
109 | ramp_delay = rdev->desc->ramp_delay; | |
110 | ||
111 | old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); | |
112 | new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); | |
113 | ||
114 | return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); | |
115 | } | |
116 | ||
939c0277 YSB |
117 | static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
118 | { | |
119 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
120 | unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; | |
121 | unsigned int ramp_enable = 1, enable_shift = 0; | |
122 | int ret; | |
123 | ||
d55efa4d | 124 | switch (rdev_get_id(rdev)) { |
939c0277 YSB |
125 | case S2MPS11_BUCK1: |
126 | if (ramp_delay > s2mps11->ramp_delay16) | |
127 | s2mps11->ramp_delay16 = ramp_delay; | |
128 | else | |
129 | ramp_delay = s2mps11->ramp_delay16; | |
130 | ||
131 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
132 | break; | |
133 | case S2MPS11_BUCK2: | |
134 | enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; | |
135 | if (!ramp_delay) { | |
136 | ramp_enable = 0; | |
137 | break; | |
138 | } | |
139 | ||
140 | s2mps11->ramp_delay2 = ramp_delay; | |
141 | ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; | |
142 | ramp_reg = S2MPS11_REG_RAMP; | |
143 | break; | |
144 | case S2MPS11_BUCK3: | |
145 | enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; | |
146 | if (!ramp_delay) { | |
147 | ramp_enable = 0; | |
148 | break; | |
149 | } | |
150 | ||
151 | if (ramp_delay > s2mps11->ramp_delay34) | |
152 | s2mps11->ramp_delay34 = ramp_delay; | |
153 | else | |
154 | ramp_delay = s2mps11->ramp_delay34; | |
155 | ||
156 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
157 | ramp_reg = S2MPS11_REG_RAMP; | |
158 | break; | |
159 | case S2MPS11_BUCK4: | |
160 | enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; | |
161 | if (!ramp_delay) { | |
162 | ramp_enable = 0; | |
163 | break; | |
164 | } | |
165 | ||
166 | if (ramp_delay > s2mps11->ramp_delay34) | |
167 | s2mps11->ramp_delay34 = ramp_delay; | |
168 | else | |
169 | ramp_delay = s2mps11->ramp_delay34; | |
170 | ||
171 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
172 | ramp_reg = S2MPS11_REG_RAMP; | |
173 | break; | |
174 | case S2MPS11_BUCK5: | |
175 | s2mps11->ramp_delay5 = ramp_delay; | |
176 | ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; | |
177 | break; | |
178 | case S2MPS11_BUCK6: | |
179 | enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; | |
180 | if (!ramp_delay) { | |
181 | ramp_enable = 0; | |
182 | break; | |
183 | } | |
184 | ||
185 | if (ramp_delay > s2mps11->ramp_delay16) | |
186 | s2mps11->ramp_delay16 = ramp_delay; | |
187 | else | |
188 | ramp_delay = s2mps11->ramp_delay16; | |
189 | ||
190 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
191 | break; | |
192 | case S2MPS11_BUCK7: | |
193 | case S2MPS11_BUCK8: | |
194 | case S2MPS11_BUCK10: | |
195 | if (ramp_delay > s2mps11->ramp_delay7810) | |
196 | s2mps11->ramp_delay7810 = ramp_delay; | |
197 | else | |
198 | ramp_delay = s2mps11->ramp_delay7810; | |
199 | ||
200 | ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; | |
201 | break; | |
202 | case S2MPS11_BUCK9: | |
203 | s2mps11->ramp_delay9 = ramp_delay; | |
204 | ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; | |
205 | break; | |
206 | default: | |
207 | return 0; | |
208 | } | |
209 | ||
210 | if (!ramp_enable) | |
211 | goto ramp_disable; | |
212 | ||
b203e0df KK |
213 | /* Ramp delay can be enabled/disabled only for buck[2346] */ |
214 | if ((rdev_get_id(rdev) >= S2MPS11_BUCK2 && | |
215 | rdev_get_id(rdev) <= S2MPS11_BUCK4) || | |
216 | rdev_get_id(rdev) == S2MPS11_BUCK6) { | |
217 | ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, | |
218 | 1 << enable_shift, 1 << enable_shift); | |
219 | if (ret) { | |
220 | dev_err(&rdev->dev, "failed to enable ramp rate\n"); | |
221 | return ret; | |
222 | } | |
939c0277 YSB |
223 | } |
224 | ||
225 | ramp_val = get_ramp_delay(ramp_delay); | |
226 | ||
f8f1d48b AL |
227 | return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, |
228 | ramp_val << ramp_shift); | |
939c0277 YSB |
229 | |
230 | ramp_disable: | |
80853304 AL |
231 | return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
232 | 1 << enable_shift, 0); | |
939c0277 YSB |
233 | } |
234 | ||
cb74685e SK |
235 | static struct regulator_ops s2mps11_ldo_ops = { |
236 | .list_voltage = regulator_list_voltage_linear, | |
237 | .map_voltage = regulator_map_voltage_linear, | |
238 | .is_enabled = regulator_is_enabled_regmap, | |
239 | .enable = regulator_enable_regmap, | |
240 | .disable = regulator_disable_regmap, | |
241 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
242 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
243 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
244 | }; | |
245 | ||
246 | static struct regulator_ops s2mps11_buck_ops = { | |
247 | .list_voltage = regulator_list_voltage_linear, | |
248 | .map_voltage = regulator_map_voltage_linear, | |
249 | .is_enabled = regulator_is_enabled_regmap, | |
250 | .enable = regulator_enable_regmap, | |
251 | .disable = regulator_disable_regmap, | |
252 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
253 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
1e1598ed | 254 | .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, |
939c0277 | 255 | .set_ramp_delay = s2mps11_set_ramp_delay, |
cb74685e SK |
256 | }; |
257 | ||
15f77300 | 258 | #define regulator_desc_s2mps11_ldo1(num) { \ |
cb74685e SK |
259 | .name = "LDO"#num, \ |
260 | .id = S2MPS11_LDO##num, \ | |
261 | .ops = &s2mps11_ldo_ops, \ | |
262 | .type = REGULATOR_VOLTAGE, \ | |
263 | .owner = THIS_MODULE, \ | |
264 | .min_uV = S2MPS11_LDO_MIN, \ | |
265 | .uV_step = S2MPS11_LDO_STEP1, \ | |
266 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
267 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 268 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
269 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
270 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
271 | } | |
15f77300 | 272 | #define regulator_desc_s2mps11_ldo2(num) { \ |
cb74685e SK |
273 | .name = "LDO"#num, \ |
274 | .id = S2MPS11_LDO##num, \ | |
275 | .ops = &s2mps11_ldo_ops, \ | |
276 | .type = REGULATOR_VOLTAGE, \ | |
277 | .owner = THIS_MODULE, \ | |
278 | .min_uV = S2MPS11_LDO_MIN, \ | |
279 | .uV_step = S2MPS11_LDO_STEP2, \ | |
280 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
281 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 282 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
283 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
284 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
285 | } | |
286 | ||
15f77300 | 287 | #define regulator_desc_s2mps11_buck1_4(num) { \ |
cb74685e SK |
288 | .name = "BUCK"#num, \ |
289 | .id = S2MPS11_BUCK##num, \ | |
290 | .ops = &s2mps11_buck_ops, \ | |
291 | .type = REGULATOR_VOLTAGE, \ | |
292 | .owner = THIS_MODULE, \ | |
293 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
294 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
295 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 296 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 297 | .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ |
2693fcab | 298 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
299 | .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ |
300 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
301 | } | |
302 | ||
15f77300 | 303 | #define regulator_desc_s2mps11_buck5 { \ |
cb74685e SK |
304 | .name = "BUCK5", \ |
305 | .id = S2MPS11_BUCK5, \ | |
306 | .ops = &s2mps11_buck_ops, \ | |
307 | .type = REGULATOR_VOLTAGE, \ | |
308 | .owner = THIS_MODULE, \ | |
309 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
310 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
311 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 312 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 313 | .vsel_reg = S2MPS11_REG_B5CTRL2, \ |
2693fcab | 314 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
315 | .enable_reg = S2MPS11_REG_B5CTRL1, \ |
316 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
317 | } | |
318 | ||
15f77300 | 319 | #define regulator_desc_s2mps11_buck6_8(num) { \ |
cb74685e SK |
320 | .name = "BUCK"#num, \ |
321 | .id = S2MPS11_BUCK##num, \ | |
322 | .ops = &s2mps11_buck_ops, \ | |
323 | .type = REGULATOR_VOLTAGE, \ | |
324 | .owner = THIS_MODULE, \ | |
325 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
326 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
327 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 328 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 329 | .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ |
2693fcab | 330 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
331 | .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ |
332 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
333 | } | |
334 | ||
15f77300 | 335 | #define regulator_desc_s2mps11_buck9 { \ |
cb74685e SK |
336 | .name = "BUCK9", \ |
337 | .id = S2MPS11_BUCK9, \ | |
338 | .ops = &s2mps11_buck_ops, \ | |
339 | .type = REGULATOR_VOLTAGE, \ | |
340 | .owner = THIS_MODULE, \ | |
341 | .min_uV = S2MPS11_BUCK_MIN3, \ | |
342 | .uV_step = S2MPS11_BUCK_STEP3, \ | |
343 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 344 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 345 | .vsel_reg = S2MPS11_REG_B9CTRL2, \ |
2693fcab | 346 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
347 | .enable_reg = S2MPS11_REG_B9CTRL1, \ |
348 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
349 | } | |
350 | ||
15f77300 | 351 | #define regulator_desc_s2mps11_buck10 { \ |
cb74685e SK |
352 | .name = "BUCK10", \ |
353 | .id = S2MPS11_BUCK10, \ | |
354 | .ops = &s2mps11_buck_ops, \ | |
355 | .type = REGULATOR_VOLTAGE, \ | |
356 | .owner = THIS_MODULE, \ | |
357 | .min_uV = S2MPS11_BUCK_MIN2, \ | |
358 | .uV_step = S2MPS11_BUCK_STEP2, \ | |
359 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 360 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
c76edd52 | 361 | .vsel_reg = S2MPS11_REG_B10CTRL2, \ |
2693fcab | 362 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
c76edd52 | 363 | .enable_reg = S2MPS11_REG_B10CTRL1, \ |
cb74685e SK |
364 | .enable_mask = S2MPS11_ENABLE_MASK \ |
365 | } | |
366 | ||
0f4cc282 | 367 | static const struct regulator_desc s2mps11_regulators[] = { |
15f77300 KK |
368 | regulator_desc_s2mps11_ldo2(1), |
369 | regulator_desc_s2mps11_ldo1(2), | |
370 | regulator_desc_s2mps11_ldo1(3), | |
371 | regulator_desc_s2mps11_ldo1(4), | |
372 | regulator_desc_s2mps11_ldo1(5), | |
373 | regulator_desc_s2mps11_ldo2(6), | |
374 | regulator_desc_s2mps11_ldo1(7), | |
375 | regulator_desc_s2mps11_ldo1(8), | |
376 | regulator_desc_s2mps11_ldo1(9), | |
377 | regulator_desc_s2mps11_ldo1(10), | |
378 | regulator_desc_s2mps11_ldo2(11), | |
379 | regulator_desc_s2mps11_ldo1(12), | |
380 | regulator_desc_s2mps11_ldo1(13), | |
381 | regulator_desc_s2mps11_ldo1(14), | |
382 | regulator_desc_s2mps11_ldo1(15), | |
383 | regulator_desc_s2mps11_ldo1(16), | |
384 | regulator_desc_s2mps11_ldo1(17), | |
385 | regulator_desc_s2mps11_ldo1(18), | |
386 | regulator_desc_s2mps11_ldo1(19), | |
387 | regulator_desc_s2mps11_ldo1(20), | |
388 | regulator_desc_s2mps11_ldo1(21), | |
389 | regulator_desc_s2mps11_ldo2(22), | |
390 | regulator_desc_s2mps11_ldo2(23), | |
391 | regulator_desc_s2mps11_ldo1(24), | |
392 | regulator_desc_s2mps11_ldo1(25), | |
393 | regulator_desc_s2mps11_ldo1(26), | |
394 | regulator_desc_s2mps11_ldo2(27), | |
395 | regulator_desc_s2mps11_ldo1(28), | |
396 | regulator_desc_s2mps11_ldo1(29), | |
397 | regulator_desc_s2mps11_ldo1(30), | |
398 | regulator_desc_s2mps11_ldo1(31), | |
399 | regulator_desc_s2mps11_ldo1(32), | |
400 | regulator_desc_s2mps11_ldo1(33), | |
401 | regulator_desc_s2mps11_ldo1(34), | |
402 | regulator_desc_s2mps11_ldo1(35), | |
403 | regulator_desc_s2mps11_ldo1(36), | |
404 | regulator_desc_s2mps11_ldo1(37), | |
405 | regulator_desc_s2mps11_ldo1(38), | |
406 | regulator_desc_s2mps11_buck1_4(1), | |
407 | regulator_desc_s2mps11_buck1_4(2), | |
408 | regulator_desc_s2mps11_buck1_4(3), | |
409 | regulator_desc_s2mps11_buck1_4(4), | |
410 | regulator_desc_s2mps11_buck5, | |
411 | regulator_desc_s2mps11_buck6_8(6), | |
412 | regulator_desc_s2mps11_buck6_8(7), | |
413 | regulator_desc_s2mps11_buck6_8(8), | |
414 | regulator_desc_s2mps11_buck9, | |
415 | regulator_desc_s2mps11_buck10, | |
416 | }; | |
417 | ||
05be09bb KK |
418 | static int s2mps14_regulator_enable(struct regulator_dev *rdev) |
419 | { | |
420 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
421 | unsigned int val; | |
422 | ||
00e2573d CC |
423 | switch (s2mps11->dev_type) { |
424 | case S2MPS14X: | |
425 | if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) | |
426 | val = S2MPS14_ENABLE_SUSPEND; | |
427 | else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)])) | |
428 | val = S2MPS14_ENABLE_EXT_CONTROL; | |
429 | else | |
430 | val = rdev->desc->enable_mask; | |
431 | break; | |
432 | case S2MPU02: | |
433 | if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) | |
434 | val = S2MPU02_ENABLE_SUSPEND; | |
435 | else | |
436 | val = rdev->desc->enable_mask; | |
437 | break; | |
438 | default: | |
439 | return -EINVAL; | |
440 | }; | |
05be09bb KK |
441 | |
442 | return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, | |
443 | rdev->desc->enable_mask, val); | |
444 | } | |
445 | ||
446 | static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev) | |
447 | { | |
448 | int ret; | |
00e2573d | 449 | unsigned int val, state; |
05be09bb | 450 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); |
00e2573d | 451 | int rdev_id = rdev_get_id(rdev); |
05be09bb | 452 | |
00e2573d CC |
453 | /* Below LDO should be always on or does not support suspend mode. */ |
454 | switch (s2mps11->dev_type) { | |
455 | case S2MPS14X: | |
456 | switch (rdev_id) { | |
457 | case S2MPS14_LDO3: | |
458 | return 0; | |
459 | default: | |
460 | state = S2MPS14_ENABLE_SUSPEND; | |
461 | break; | |
462 | }; | |
463 | break; | |
464 | case S2MPU02: | |
465 | switch (rdev_id) { | |
466 | case S2MPU02_LDO13: | |
467 | case S2MPU02_LDO14: | |
468 | case S2MPU02_LDO15: | |
469 | case S2MPU02_LDO17: | |
470 | case S2MPU02_BUCK7: | |
471 | state = S2MPU02_DISABLE_SUSPEND; | |
472 | break; | |
473 | default: | |
474 | state = S2MPU02_ENABLE_SUSPEND; | |
475 | break; | |
476 | }; | |
477 | break; | |
478 | default: | |
479 | return -EINVAL; | |
480 | }; | |
05be09bb KK |
481 | |
482 | ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); | |
483 | if (ret < 0) | |
484 | return ret; | |
485 | ||
486 | s2mps11->s2mps14_suspend_state |= (1 << rdev_get_id(rdev)); | |
487 | /* | |
488 | * Don't enable suspend mode if regulator is already disabled because | |
489 | * this would effectively for a short time turn on the regulator after | |
490 | * resuming. | |
491 | * However we still want to toggle the suspend_state bit for regulator | |
492 | * in case if it got enabled before suspending the system. | |
493 | */ | |
494 | if (!(val & rdev->desc->enable_mask)) | |
495 | return 0; | |
496 | ||
497 | return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, | |
00e2573d | 498 | rdev->desc->enable_mask, state); |
05be09bb KK |
499 | } |
500 | ||
15f77300 KK |
501 | static struct regulator_ops s2mps14_reg_ops = { |
502 | .list_voltage = regulator_list_voltage_linear, | |
503 | .map_voltage = regulator_map_voltage_linear, | |
504 | .is_enabled = regulator_is_enabled_regmap, | |
05be09bb | 505 | .enable = s2mps14_regulator_enable, |
15f77300 KK |
506 | .disable = regulator_disable_regmap, |
507 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
508 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
509 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
05be09bb | 510 | .set_suspend_disable = s2mps14_regulator_set_suspend_disable, |
15f77300 KK |
511 | }; |
512 | ||
513 | #define regulator_desc_s2mps14_ldo1(num) { \ | |
514 | .name = "LDO"#num, \ | |
515 | .id = S2MPS14_LDO##num, \ | |
516 | .ops = &s2mps14_reg_ops, \ | |
517 | .type = REGULATOR_VOLTAGE, \ | |
518 | .owner = THIS_MODULE, \ | |
519 | .min_uV = S2MPS14_LDO_MIN_800MV, \ | |
520 | .uV_step = S2MPS14_LDO_STEP_25MV, \ | |
521 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
522 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
523 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
524 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
525 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
526 | } | |
527 | #define regulator_desc_s2mps14_ldo2(num) { \ | |
528 | .name = "LDO"#num, \ | |
529 | .id = S2MPS14_LDO##num, \ | |
530 | .ops = &s2mps14_reg_ops, \ | |
531 | .type = REGULATOR_VOLTAGE, \ | |
532 | .owner = THIS_MODULE, \ | |
533 | .min_uV = S2MPS14_LDO_MIN_1800MV, \ | |
534 | .uV_step = S2MPS14_LDO_STEP_25MV, \ | |
535 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
536 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
537 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
538 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
539 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
540 | } | |
541 | #define regulator_desc_s2mps14_ldo3(num) { \ | |
542 | .name = "LDO"#num, \ | |
543 | .id = S2MPS14_LDO##num, \ | |
544 | .ops = &s2mps14_reg_ops, \ | |
545 | .type = REGULATOR_VOLTAGE, \ | |
546 | .owner = THIS_MODULE, \ | |
547 | .min_uV = S2MPS14_LDO_MIN_800MV, \ | |
548 | .uV_step = S2MPS14_LDO_STEP_12_5MV, \ | |
549 | .n_voltages = S2MPS14_LDO_N_VOLTAGES, \ | |
550 | .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
551 | .vsel_mask = S2MPS14_LDO_VSEL_MASK, \ | |
552 | .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \ | |
553 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
554 | } | |
555 | #define regulator_desc_s2mps14_buck1235(num) { \ | |
556 | .name = "BUCK"#num, \ | |
557 | .id = S2MPS14_BUCK##num, \ | |
558 | .ops = &s2mps14_reg_ops, \ | |
559 | .type = REGULATOR_VOLTAGE, \ | |
560 | .owner = THIS_MODULE, \ | |
561 | .min_uV = S2MPS14_BUCK1235_MIN_600MV, \ | |
562 | .uV_step = S2MPS14_BUCK1235_STEP_6_25MV, \ | |
563 | .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ | |
564 | .linear_min_sel = S2MPS14_BUCK1235_START_SEL, \ | |
565 | .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ | |
566 | .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ | |
567 | .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ | |
568 | .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ | |
569 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
570 | } | |
571 | #define regulator_desc_s2mps14_buck4(num) { \ | |
572 | .name = "BUCK"#num, \ | |
573 | .id = S2MPS14_BUCK##num, \ | |
574 | .ops = &s2mps14_reg_ops, \ | |
575 | .type = REGULATOR_VOLTAGE, \ | |
576 | .owner = THIS_MODULE, \ | |
577 | .min_uV = S2MPS14_BUCK4_MIN_1400MV, \ | |
578 | .uV_step = S2MPS14_BUCK4_STEP_12_5MV, \ | |
579 | .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \ | |
580 | .linear_min_sel = S2MPS14_BUCK4_START_SEL, \ | |
581 | .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \ | |
582 | .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \ | |
583 | .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \ | |
584 | .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \ | |
585 | .enable_mask = S2MPS14_ENABLE_MASK \ | |
586 | } | |
587 | ||
588 | static const struct regulator_desc s2mps14_regulators[] = { | |
589 | regulator_desc_s2mps14_ldo3(1), | |
590 | regulator_desc_s2mps14_ldo3(2), | |
591 | regulator_desc_s2mps14_ldo1(3), | |
592 | regulator_desc_s2mps14_ldo1(4), | |
593 | regulator_desc_s2mps14_ldo3(5), | |
594 | regulator_desc_s2mps14_ldo3(6), | |
595 | regulator_desc_s2mps14_ldo1(7), | |
596 | regulator_desc_s2mps14_ldo2(8), | |
597 | regulator_desc_s2mps14_ldo3(9), | |
598 | regulator_desc_s2mps14_ldo3(10), | |
599 | regulator_desc_s2mps14_ldo1(11), | |
600 | regulator_desc_s2mps14_ldo2(12), | |
601 | regulator_desc_s2mps14_ldo2(13), | |
602 | regulator_desc_s2mps14_ldo2(14), | |
603 | regulator_desc_s2mps14_ldo2(15), | |
604 | regulator_desc_s2mps14_ldo2(16), | |
605 | regulator_desc_s2mps14_ldo2(17), | |
606 | regulator_desc_s2mps14_ldo2(18), | |
607 | regulator_desc_s2mps14_ldo1(19), | |
608 | regulator_desc_s2mps14_ldo1(20), | |
609 | regulator_desc_s2mps14_ldo1(21), | |
610 | regulator_desc_s2mps14_ldo3(22), | |
611 | regulator_desc_s2mps14_ldo1(23), | |
612 | regulator_desc_s2mps14_ldo2(24), | |
613 | regulator_desc_s2mps14_ldo2(25), | |
614 | regulator_desc_s2mps14_buck1235(1), | |
615 | regulator_desc_s2mps14_buck1235(2), | |
616 | regulator_desc_s2mps14_buck1235(3), | |
617 | regulator_desc_s2mps14_buck4(4), | |
618 | regulator_desc_s2mps14_buck1235(5), | |
cb74685e SK |
619 | }; |
620 | ||
97f53d71 KK |
621 | static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, |
622 | struct regulator_dev *rdev) | |
623 | { | |
624 | return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, | |
625 | rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL); | |
626 | } | |
627 | ||
628 | static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev, | |
01170383 | 629 | struct of_regulator_match *rdata, struct s2mps11_info *s2mps11) |
97f53d71 KK |
630 | { |
631 | int *gpio = s2mps11->ext_control_gpio; | |
632 | unsigned int i; | |
633 | unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11, | |
634 | S2MPS14_LDO12 }; | |
635 | ||
636 | for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) { | |
637 | unsigned int reg = valid_regulators[i]; | |
638 | ||
639 | if (!rdata[reg].init_data || !rdata[reg].of_node) | |
640 | continue; | |
641 | ||
642 | gpio[reg] = of_get_named_gpio(rdata[reg].of_node, | |
643 | "samsung,ext-control-gpios", 0); | |
de5d0563 | 644 | if (gpio_is_valid(gpio[reg])) |
97f53d71 KK |
645 | dev_dbg(&pdev->dev, "Using GPIO %d for ext-control over %d/%s\n", |
646 | gpio[reg], reg, rdata[reg].name); | |
647 | } | |
648 | } | |
649 | ||
650 | static int s2mps11_pmic_dt_parse(struct platform_device *pdev, | |
00e2573d | 651 | struct of_regulator_match *rdata, struct s2mps11_info *s2mps11) |
01170383 KK |
652 | { |
653 | struct device_node *reg_np; | |
654 | ||
655 | reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); | |
656 | if (!reg_np) { | |
657 | dev_err(&pdev->dev, "could not find regulators sub-node\n"); | |
658 | return -EINVAL; | |
659 | } | |
660 | ||
661 | of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num); | |
00e2573d | 662 | if (s2mps11->dev_type == S2MPS14X) |
97f53d71 KK |
663 | s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11); |
664 | ||
01170383 KK |
665 | of_node_put(reg_np); |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
00e2573d CC |
670 | static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
671 | { | |
672 | unsigned int ramp_val, ramp_shift, ramp_reg; | |
673 | ||
674 | switch (rdev_get_id(rdev)) { | |
675 | case S2MPU02_BUCK1: | |
676 | ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT; | |
677 | break; | |
678 | case S2MPU02_BUCK2: | |
679 | ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT; | |
680 | break; | |
681 | case S2MPU02_BUCK3: | |
682 | ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT; | |
683 | break; | |
684 | case S2MPU02_BUCK4: | |
685 | ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT; | |
686 | break; | |
687 | default: | |
688 | return 0; | |
689 | } | |
690 | ramp_reg = S2MPU02_REG_RAMP1; | |
691 | ramp_val = get_ramp_delay(ramp_delay); | |
692 | ||
693 | return regmap_update_bits(rdev->regmap, ramp_reg, | |
694 | S2MPU02_BUCK1234_RAMP_MASK << ramp_shift, | |
695 | ramp_val << ramp_shift); | |
696 | } | |
697 | ||
698 | static struct regulator_ops s2mpu02_ldo_ops = { | |
699 | .list_voltage = regulator_list_voltage_linear, | |
700 | .map_voltage = regulator_map_voltage_linear, | |
701 | .is_enabled = regulator_is_enabled_regmap, | |
702 | .enable = s2mps14_regulator_enable, | |
703 | .disable = regulator_disable_regmap, | |
704 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
705 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
706 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
707 | .set_suspend_disable = s2mps14_regulator_set_suspend_disable, | |
708 | }; | |
709 | ||
710 | static struct regulator_ops s2mpu02_buck_ops = { | |
711 | .list_voltage = regulator_list_voltage_linear, | |
712 | .map_voltage = regulator_map_voltage_linear, | |
713 | .is_enabled = regulator_is_enabled_regmap, | |
714 | .enable = s2mps14_regulator_enable, | |
715 | .disable = regulator_disable_regmap, | |
716 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
717 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
718 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
719 | .set_suspend_disable = s2mps14_regulator_set_suspend_disable, | |
720 | .set_ramp_delay = s2mpu02_set_ramp_delay, | |
721 | }; | |
722 | ||
723 | #define regulator_desc_s2mpu02_ldo1(num) { \ | |
724 | .name = "LDO"#num, \ | |
725 | .id = S2MPU02_LDO##num, \ | |
726 | .ops = &s2mpu02_ldo_ops, \ | |
727 | .type = REGULATOR_VOLTAGE, \ | |
728 | .owner = THIS_MODULE, \ | |
729 | .min_uV = S2MPU02_LDO_MIN_900MV, \ | |
730 | .uV_step = S2MPU02_LDO_STEP_12_5MV, \ | |
731 | .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ | |
732 | .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ | |
733 | .vsel_reg = S2MPU02_REG_L1CTRL, \ | |
734 | .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ | |
735 | .enable_reg = S2MPU02_REG_L1CTRL, \ | |
736 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
737 | } | |
738 | #define regulator_desc_s2mpu02_ldo2(num) { \ | |
739 | .name = "LDO"#num, \ | |
740 | .id = S2MPU02_LDO##num, \ | |
741 | .ops = &s2mpu02_ldo_ops, \ | |
742 | .type = REGULATOR_VOLTAGE, \ | |
743 | .owner = THIS_MODULE, \ | |
744 | .min_uV = S2MPU02_LDO_MIN_1050MV, \ | |
745 | .uV_step = S2MPU02_LDO_STEP_25MV, \ | |
746 | .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ | |
747 | .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ | |
748 | .vsel_reg = S2MPU02_REG_L2CTRL1, \ | |
749 | .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ | |
750 | .enable_reg = S2MPU02_REG_L2CTRL1, \ | |
751 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
752 | } | |
753 | #define regulator_desc_s2mpu02_ldo3(num) { \ | |
754 | .name = "LDO"#num, \ | |
755 | .id = S2MPU02_LDO##num, \ | |
756 | .ops = &s2mpu02_ldo_ops, \ | |
757 | .type = REGULATOR_VOLTAGE, \ | |
758 | .owner = THIS_MODULE, \ | |
759 | .min_uV = S2MPU02_LDO_MIN_900MV, \ | |
760 | .uV_step = S2MPU02_LDO_STEP_12_5MV, \ | |
761 | .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \ | |
762 | .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ | |
763 | .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
764 | .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ | |
765 | .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
766 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
767 | } | |
768 | #define regulator_desc_s2mpu02_ldo4(num) { \ | |
769 | .name = "LDO"#num, \ | |
770 | .id = S2MPU02_LDO##num, \ | |
771 | .ops = &s2mpu02_ldo_ops, \ | |
772 | .type = REGULATOR_VOLTAGE, \ | |
773 | .owner = THIS_MODULE, \ | |
774 | .min_uV = S2MPU02_LDO_MIN_1050MV, \ | |
775 | .uV_step = S2MPU02_LDO_STEP_25MV, \ | |
776 | .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \ | |
777 | .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ | |
778 | .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
779 | .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ | |
780 | .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
781 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
782 | } | |
783 | #define regulator_desc_s2mpu02_ldo5(num) { \ | |
784 | .name = "LDO"#num, \ | |
785 | .id = S2MPU02_LDO##num, \ | |
786 | .ops = &s2mpu02_ldo_ops, \ | |
787 | .type = REGULATOR_VOLTAGE, \ | |
788 | .owner = THIS_MODULE, \ | |
789 | .min_uV = S2MPU02_LDO_MIN_1600MV, \ | |
790 | .uV_step = S2MPU02_LDO_STEP_50MV, \ | |
791 | .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \ | |
792 | .n_voltages = S2MPU02_LDO_N_VOLTAGES, \ | |
793 | .vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
794 | .vsel_mask = S2MPU02_LDO_VSEL_MASK, \ | |
795 | .enable_reg = S2MPU02_REG_L3CTRL + num - 3, \ | |
796 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
797 | } | |
798 | ||
799 | #define regulator_desc_s2mpu02_buck1234(num) { \ | |
800 | .name = "BUCK"#num, \ | |
801 | .id = S2MPU02_BUCK##num, \ | |
802 | .ops = &s2mpu02_buck_ops, \ | |
803 | .type = REGULATOR_VOLTAGE, \ | |
804 | .owner = THIS_MODULE, \ | |
805 | .min_uV = S2MPU02_BUCK1234_MIN_600MV, \ | |
806 | .uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \ | |
807 | .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ | |
808 | .linear_min_sel = S2MPU02_BUCK1234_START_SEL, \ | |
809 | .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ | |
810 | .vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \ | |
811 | .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ | |
812 | .enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \ | |
813 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
814 | } | |
815 | #define regulator_desc_s2mpu02_buck5(num) { \ | |
816 | .name = "BUCK"#num, \ | |
817 | .id = S2MPU02_BUCK##num, \ | |
818 | .ops = &s2mpu02_ldo_ops, \ | |
819 | .type = REGULATOR_VOLTAGE, \ | |
820 | .owner = THIS_MODULE, \ | |
821 | .min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \ | |
822 | .uV_step = S2MPU02_BUCK5_STEP_6_25MV, \ | |
823 | .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ | |
824 | .linear_min_sel = S2MPU02_BUCK5_START_SEL, \ | |
825 | .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ | |
826 | .vsel_reg = S2MPU02_REG_B5CTRL2, \ | |
827 | .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ | |
828 | .enable_reg = S2MPU02_REG_B5CTRL1, \ | |
829 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
830 | } | |
831 | #define regulator_desc_s2mpu02_buck6(num) { \ | |
832 | .name = "BUCK"#num, \ | |
833 | .id = S2MPU02_BUCK##num, \ | |
834 | .ops = &s2mpu02_ldo_ops, \ | |
835 | .type = REGULATOR_VOLTAGE, \ | |
836 | .owner = THIS_MODULE, \ | |
837 | .min_uV = S2MPU02_BUCK6_MIN_1700MV, \ | |
838 | .uV_step = S2MPU02_BUCK6_STEP_2_50MV, \ | |
839 | .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ | |
840 | .linear_min_sel = S2MPU02_BUCK6_START_SEL, \ | |
841 | .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ | |
842 | .vsel_reg = S2MPU02_REG_B6CTRL2, \ | |
843 | .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ | |
844 | .enable_reg = S2MPU02_REG_B6CTRL1, \ | |
845 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
846 | } | |
847 | #define regulator_desc_s2mpu02_buck7(num) { \ | |
848 | .name = "BUCK"#num, \ | |
849 | .id = S2MPU02_BUCK##num, \ | |
850 | .ops = &s2mpu02_ldo_ops, \ | |
851 | .type = REGULATOR_VOLTAGE, \ | |
852 | .owner = THIS_MODULE, \ | |
853 | .min_uV = S2MPU02_BUCK7_MIN_900MV, \ | |
854 | .uV_step = S2MPU02_BUCK7_STEP_6_25MV, \ | |
855 | .n_voltages = S2MPU02_BUCK_N_VOLTAGES, \ | |
856 | .linear_min_sel = S2MPU02_BUCK7_START_SEL, \ | |
857 | .ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \ | |
858 | .vsel_reg = S2MPU02_REG_B7CTRL2, \ | |
859 | .vsel_mask = S2MPU02_BUCK_VSEL_MASK, \ | |
860 | .enable_reg = S2MPU02_REG_B7CTRL1, \ | |
861 | .enable_mask = S2MPU02_ENABLE_MASK \ | |
862 | } | |
863 | ||
864 | static const struct regulator_desc s2mpu02_regulators[] = { | |
865 | regulator_desc_s2mpu02_ldo1(1), | |
866 | regulator_desc_s2mpu02_ldo2(2), | |
867 | regulator_desc_s2mpu02_ldo4(3), | |
868 | regulator_desc_s2mpu02_ldo5(4), | |
869 | regulator_desc_s2mpu02_ldo4(5), | |
870 | regulator_desc_s2mpu02_ldo3(6), | |
871 | regulator_desc_s2mpu02_ldo3(7), | |
872 | regulator_desc_s2mpu02_ldo4(8), | |
873 | regulator_desc_s2mpu02_ldo5(9), | |
874 | regulator_desc_s2mpu02_ldo3(10), | |
875 | regulator_desc_s2mpu02_ldo4(11), | |
876 | regulator_desc_s2mpu02_ldo5(12), | |
877 | regulator_desc_s2mpu02_ldo5(13), | |
878 | regulator_desc_s2mpu02_ldo5(14), | |
879 | regulator_desc_s2mpu02_ldo5(15), | |
880 | regulator_desc_s2mpu02_ldo5(16), | |
881 | regulator_desc_s2mpu02_ldo4(17), | |
882 | regulator_desc_s2mpu02_ldo5(18), | |
883 | regulator_desc_s2mpu02_ldo3(19), | |
884 | regulator_desc_s2mpu02_ldo4(20), | |
885 | regulator_desc_s2mpu02_ldo5(21), | |
886 | regulator_desc_s2mpu02_ldo5(22), | |
887 | regulator_desc_s2mpu02_ldo5(23), | |
888 | regulator_desc_s2mpu02_ldo4(24), | |
889 | regulator_desc_s2mpu02_ldo5(25), | |
890 | regulator_desc_s2mpu02_ldo4(26), | |
891 | regulator_desc_s2mpu02_ldo5(27), | |
892 | regulator_desc_s2mpu02_ldo5(28), | |
893 | regulator_desc_s2mpu02_buck1234(1), | |
894 | regulator_desc_s2mpu02_buck1234(2), | |
895 | regulator_desc_s2mpu02_buck1234(3), | |
896 | regulator_desc_s2mpu02_buck1234(4), | |
897 | regulator_desc_s2mpu02_buck5(5), | |
898 | regulator_desc_s2mpu02_buck6(6), | |
899 | regulator_desc_s2mpu02_buck7(7), | |
900 | }; | |
901 | ||
a5023574 | 902 | static int s2mps11_pmic_probe(struct platform_device *pdev) |
cb74685e SK |
903 | { |
904 | struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); | |
01170383 | 905 | struct sec_platform_data *pdata = NULL; |
3e80f95b | 906 | struct of_regulator_match *rdata = NULL; |
cb74685e | 907 | struct regulator_config config = { }; |
cb74685e | 908 | struct s2mps11_info *s2mps11; |
3e80f95b | 909 | int i, ret = 0; |
0f4cc282 | 910 | const struct regulator_desc *regulators; |
cb74685e | 911 | |
cb74685e SK |
912 | s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), |
913 | GFP_KERNEL); | |
914 | if (!s2mps11) | |
915 | return -ENOMEM; | |
916 | ||
00e2573d CC |
917 | s2mps11->dev_type = platform_get_device_id(pdev)->driver_data; |
918 | switch (s2mps11->dev_type) { | |
0f4cc282 KK |
919 | case S2MPS11X: |
920 | s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); | |
921 | regulators = s2mps11_regulators; | |
922 | break; | |
15f77300 KK |
923 | case S2MPS14X: |
924 | s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators); | |
925 | regulators = s2mps14_regulators; | |
926 | break; | |
00e2573d CC |
927 | case S2MPU02: |
928 | s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators); | |
929 | regulators = s2mpu02_regulators; | |
930 | break; | |
0f4cc282 | 931 | default: |
00e2573d CC |
932 | dev_err(&pdev->dev, "Invalid device type: %u\n", |
933 | s2mps11->dev_type); | |
0f4cc282 KK |
934 | return -EINVAL; |
935 | }; | |
3e80f95b | 936 | |
97f53d71 KK |
937 | s2mps11->ext_control_gpio = devm_kzalloc(&pdev->dev, |
938 | sizeof(*s2mps11->ext_control_gpio) * s2mps11->rdev_num, | |
939 | GFP_KERNEL); | |
940 | if (!s2mps11->ext_control_gpio) | |
941 | return -ENOMEM; | |
de5d0563 KK |
942 | /* |
943 | * 0 is a valid GPIO so initialize all GPIO-s to negative value | |
944 | * to indicate that external control won't be used for this regulator. | |
945 | */ | |
946 | for (i = 0; i < s2mps11->rdev_num; i++) | |
947 | s2mps11->ext_control_gpio[i] = -EINVAL; | |
97f53d71 | 948 | |
6c683c92 | 949 | if (!iodev->dev->of_node) { |
01170383 KK |
950 | if (iodev->pdata) { |
951 | pdata = iodev->pdata; | |
6c683c92 YSB |
952 | goto common_reg; |
953 | } else { | |
954 | dev_err(pdev->dev.parent, | |
955 | "Platform data or DT node not supplied\n"); | |
956 | return -ENODEV; | |
957 | } | |
958 | } | |
a50c6b32 | 959 | |
0f4cc282 | 960 | rdata = kzalloc(sizeof(*rdata) * s2mps11->rdev_num, GFP_KERNEL); |
3e80f95b KK |
961 | if (!rdata) |
962 | return -ENOMEM; | |
963 | ||
0f4cc282 | 964 | for (i = 0; i < s2mps11->rdev_num; i++) |
a50c6b32 YSB |
965 | rdata[i].name = regulators[i].name; |
966 | ||
00e2573d | 967 | ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11); |
01170383 | 968 | if (ret) |
3e80f95b | 969 | goto out; |
a50c6b32 | 970 | |
a50c6b32 YSB |
971 | common_reg: |
972 | platform_set_drvdata(pdev, s2mps11); | |
cb74685e | 973 | |
a50c6b32 | 974 | config.dev = &pdev->dev; |
1b1ccee1 | 975 | config.regmap = iodev->regmap_pmic; |
a50c6b32 | 976 | config.driver_data = s2mps11; |
de5d0563 | 977 | config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH; |
0f4cc282 | 978 | for (i = 0; i < s2mps11->rdev_num; i++) { |
31195252 KK |
979 | struct regulator_dev *regulator; |
980 | ||
01170383 | 981 | if (pdata) { |
a50c6b32 | 982 | config.init_data = pdata->regulators[i].initdata; |
54820f58 | 983 | config.of_node = pdata->regulators[i].reg_node; |
a50c6b32 YSB |
984 | } else { |
985 | config.init_data = rdata[i].init_data; | |
986 | config.of_node = rdata[i].of_node; | |
987 | } | |
de5d0563 | 988 | config.ena_gpio = s2mps11->ext_control_gpio[i]; |
97f53d71 | 989 | |
31195252 | 990 | regulator = devm_regulator_register(&pdev->dev, |
d55cd794 | 991 | ®ulators[i], &config); |
31195252 KK |
992 | if (IS_ERR(regulator)) { |
993 | ret = PTR_ERR(regulator); | |
232b2504 AL |
994 | dev_err(&pdev->dev, "regulator init failed for %d\n", |
995 | i); | |
3e80f95b | 996 | goto out; |
cb74685e | 997 | } |
97f53d71 | 998 | |
de5d0563 | 999 | if (gpio_is_valid(s2mps11->ext_control_gpio[i])) { |
97f53d71 KK |
1000 | ret = s2mps14_pmic_enable_ext_control(s2mps11, |
1001 | regulator); | |
1002 | if (ret < 0) { | |
1003 | dev_err(&pdev->dev, | |
1004 | "failed to enable GPIO control over %s: %d\n", | |
1005 | regulator->desc->name, ret); | |
1006 | goto out; | |
1007 | } | |
1008 | } | |
cb74685e SK |
1009 | } |
1010 | ||
3e80f95b KK |
1011 | out: |
1012 | kfree(rdata); | |
1013 | ||
1014 | return ret; | |
cb74685e SK |
1015 | } |
1016 | ||
1017 | static const struct platform_device_id s2mps11_pmic_id[] = { | |
3e80f95b | 1018 | { "s2mps11-pmic", S2MPS11X}, |
15f77300 | 1019 | { "s2mps14-pmic", S2MPS14X}, |
00e2573d | 1020 | { "s2mpu02-pmic", S2MPU02}, |
cb74685e SK |
1021 | { }, |
1022 | }; | |
1023 | MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); | |
1024 | ||
1025 | static struct platform_driver s2mps11_pmic_driver = { | |
1026 | .driver = { | |
1027 | .name = "s2mps11-pmic", | |
1028 | .owner = THIS_MODULE, | |
1029 | }, | |
1030 | .probe = s2mps11_pmic_probe, | |
cb74685e SK |
1031 | .id_table = s2mps11_pmic_id, |
1032 | }; | |
1033 | ||
1034 | static int __init s2mps11_pmic_init(void) | |
1035 | { | |
1036 | return platform_driver_register(&s2mps11_pmic_driver); | |
1037 | } | |
1038 | subsys_initcall(s2mps11_pmic_init); | |
1039 | ||
1040 | static void __exit s2mps11_pmic_exit(void) | |
1041 | { | |
1042 | platform_driver_unregister(&s2mps11_pmic_driver); | |
1043 | } | |
1044 | module_exit(s2mps11_pmic_exit); | |
1045 | ||
1046 | /* Module information */ | |
1047 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); | |
cad35c3f | 1048 | MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPU02 Regulator Driver"); |
cb74685e | 1049 | MODULE_LICENSE("GPL"); |