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cb74685e SK |
1 | /* |
2 | * s2mps11.c | |
3 | * | |
4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd | |
5 | * http://www.samsung.com | |
6 | * | |
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 | */ | |
13 | ||
14 | #include <linux/bug.h> | |
cb74685e SK |
15 | #include <linux/err.h> |
16 | #include <linux/gpio.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/module.h> | |
a50c6b32 | 19 | #include <linux/of.h> |
939c0277 | 20 | #include <linux/regmap.h> |
cb74685e SK |
21 | #include <linux/platform_device.h> |
22 | #include <linux/regulator/driver.h> | |
23 | #include <linux/regulator/machine.h> | |
a50c6b32 | 24 | #include <linux/regulator/of_regulator.h> |
cb74685e SK |
25 | #include <linux/mfd/samsung/core.h> |
26 | #include <linux/mfd/samsung/s2mps11.h> | |
27 | ||
28 | struct s2mps11_info { | |
3e80f95b | 29 | unsigned int rdev_num; |
cb74685e SK |
30 | int ramp_delay2; |
31 | int ramp_delay34; | |
32 | int ramp_delay5; | |
33 | int ramp_delay16; | |
34 | int ramp_delay7810; | |
35 | int ramp_delay9; | |
cb74685e SK |
36 | }; |
37 | ||
38 | static int get_ramp_delay(int ramp_delay) | |
39 | { | |
40 | unsigned char cnt = 0; | |
41 | ||
90068348 | 42 | ramp_delay /= 6250; |
cb74685e SK |
43 | |
44 | while (true) { | |
45 | ramp_delay = ramp_delay >> 1; | |
46 | if (ramp_delay == 0) | |
47 | break; | |
48 | cnt++; | |
49 | } | |
f8f1d48b AL |
50 | |
51 | if (cnt > 3) | |
52 | cnt = 3; | |
53 | ||
cb74685e SK |
54 | return cnt; |
55 | } | |
56 | ||
1e1598ed YSB |
57 | static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, |
58 | unsigned int old_selector, | |
59 | unsigned int new_selector) | |
60 | { | |
61 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
62 | unsigned int ramp_delay = 0; | |
63 | int old_volt, new_volt; | |
64 | ||
65 | switch (rdev->desc->id) { | |
66 | case S2MPS11_BUCK2: | |
1e1598ed YSB |
67 | ramp_delay = s2mps11->ramp_delay2; |
68 | break; | |
69 | case S2MPS11_BUCK3: | |
1e1598ed | 70 | case S2MPS11_BUCK4: |
1e1598ed YSB |
71 | ramp_delay = s2mps11->ramp_delay34; |
72 | break; | |
73 | case S2MPS11_BUCK5: | |
74 | ramp_delay = s2mps11->ramp_delay5; | |
75 | break; | |
76 | case S2MPS11_BUCK6: | |
1e1598ed YSB |
77 | case S2MPS11_BUCK1: |
78 | ramp_delay = s2mps11->ramp_delay16; | |
79 | break; | |
80 | case S2MPS11_BUCK7: | |
81 | case S2MPS11_BUCK8: | |
82 | case S2MPS11_BUCK10: | |
83 | ramp_delay = s2mps11->ramp_delay7810; | |
84 | break; | |
85 | case S2MPS11_BUCK9: | |
86 | ramp_delay = s2mps11->ramp_delay9; | |
87 | } | |
88 | ||
89 | if (ramp_delay == 0) | |
90 | ramp_delay = rdev->desc->ramp_delay; | |
91 | ||
92 | old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); | |
93 | new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); | |
94 | ||
95 | return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); | |
96 | } | |
97 | ||
939c0277 YSB |
98 | static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
99 | { | |
100 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
101 | unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; | |
102 | unsigned int ramp_enable = 1, enable_shift = 0; | |
103 | int ret; | |
104 | ||
105 | switch (rdev->desc->id) { | |
106 | case S2MPS11_BUCK1: | |
107 | if (ramp_delay > s2mps11->ramp_delay16) | |
108 | s2mps11->ramp_delay16 = ramp_delay; | |
109 | else | |
110 | ramp_delay = s2mps11->ramp_delay16; | |
111 | ||
112 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
113 | break; | |
114 | case S2MPS11_BUCK2: | |
115 | enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; | |
116 | if (!ramp_delay) { | |
117 | ramp_enable = 0; | |
118 | break; | |
119 | } | |
120 | ||
121 | s2mps11->ramp_delay2 = ramp_delay; | |
122 | ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; | |
123 | ramp_reg = S2MPS11_REG_RAMP; | |
124 | break; | |
125 | case S2MPS11_BUCK3: | |
126 | enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; | |
127 | if (!ramp_delay) { | |
128 | ramp_enable = 0; | |
129 | break; | |
130 | } | |
131 | ||
132 | if (ramp_delay > s2mps11->ramp_delay34) | |
133 | s2mps11->ramp_delay34 = ramp_delay; | |
134 | else | |
135 | ramp_delay = s2mps11->ramp_delay34; | |
136 | ||
137 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
138 | ramp_reg = S2MPS11_REG_RAMP; | |
139 | break; | |
140 | case S2MPS11_BUCK4: | |
141 | enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; | |
142 | if (!ramp_delay) { | |
143 | ramp_enable = 0; | |
144 | break; | |
145 | } | |
146 | ||
147 | if (ramp_delay > s2mps11->ramp_delay34) | |
148 | s2mps11->ramp_delay34 = ramp_delay; | |
149 | else | |
150 | ramp_delay = s2mps11->ramp_delay34; | |
151 | ||
152 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
153 | ramp_reg = S2MPS11_REG_RAMP; | |
154 | break; | |
155 | case S2MPS11_BUCK5: | |
156 | s2mps11->ramp_delay5 = ramp_delay; | |
157 | ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; | |
158 | break; | |
159 | case S2MPS11_BUCK6: | |
160 | enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; | |
161 | if (!ramp_delay) { | |
162 | ramp_enable = 0; | |
163 | break; | |
164 | } | |
165 | ||
166 | if (ramp_delay > s2mps11->ramp_delay16) | |
167 | s2mps11->ramp_delay16 = ramp_delay; | |
168 | else | |
169 | ramp_delay = s2mps11->ramp_delay16; | |
170 | ||
171 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
172 | break; | |
173 | case S2MPS11_BUCK7: | |
174 | case S2MPS11_BUCK8: | |
175 | case S2MPS11_BUCK10: | |
176 | if (ramp_delay > s2mps11->ramp_delay7810) | |
177 | s2mps11->ramp_delay7810 = ramp_delay; | |
178 | else | |
179 | ramp_delay = s2mps11->ramp_delay7810; | |
180 | ||
181 | ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; | |
182 | break; | |
183 | case S2MPS11_BUCK9: | |
184 | s2mps11->ramp_delay9 = ramp_delay; | |
185 | ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; | |
186 | break; | |
187 | default: | |
188 | return 0; | |
189 | } | |
190 | ||
191 | if (!ramp_enable) | |
192 | goto ramp_disable; | |
193 | ||
194 | if (enable_shift) { | |
195 | ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, | |
196 | 1 << enable_shift, 1 << enable_shift); | |
197 | if (ret) { | |
198 | dev_err(&rdev->dev, "failed to enable ramp rate\n"); | |
199 | return ret; | |
200 | } | |
201 | } | |
202 | ||
203 | ramp_val = get_ramp_delay(ramp_delay); | |
204 | ||
f8f1d48b AL |
205 | return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, |
206 | ramp_val << ramp_shift); | |
939c0277 YSB |
207 | |
208 | ramp_disable: | |
80853304 AL |
209 | return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
210 | 1 << enable_shift, 0); | |
939c0277 YSB |
211 | } |
212 | ||
cb74685e SK |
213 | static struct regulator_ops s2mps11_ldo_ops = { |
214 | .list_voltage = regulator_list_voltage_linear, | |
215 | .map_voltage = regulator_map_voltage_linear, | |
216 | .is_enabled = regulator_is_enabled_regmap, | |
217 | .enable = regulator_enable_regmap, | |
218 | .disable = regulator_disable_regmap, | |
219 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
220 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
221 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
222 | }; | |
223 | ||
224 | static struct regulator_ops s2mps11_buck_ops = { | |
225 | .list_voltage = regulator_list_voltage_linear, | |
226 | .map_voltage = regulator_map_voltage_linear, | |
227 | .is_enabled = regulator_is_enabled_regmap, | |
228 | .enable = regulator_enable_regmap, | |
229 | .disable = regulator_disable_regmap, | |
230 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
231 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
1e1598ed | 232 | .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, |
939c0277 | 233 | .set_ramp_delay = s2mps11_set_ramp_delay, |
cb74685e SK |
234 | }; |
235 | ||
236 | #define regulator_desc_ldo1(num) { \ | |
237 | .name = "LDO"#num, \ | |
238 | .id = S2MPS11_LDO##num, \ | |
239 | .ops = &s2mps11_ldo_ops, \ | |
240 | .type = REGULATOR_VOLTAGE, \ | |
241 | .owner = THIS_MODULE, \ | |
242 | .min_uV = S2MPS11_LDO_MIN, \ | |
243 | .uV_step = S2MPS11_LDO_STEP1, \ | |
244 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
245 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 246 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
247 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
248 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
249 | } | |
250 | #define regulator_desc_ldo2(num) { \ | |
251 | .name = "LDO"#num, \ | |
252 | .id = S2MPS11_LDO##num, \ | |
253 | .ops = &s2mps11_ldo_ops, \ | |
254 | .type = REGULATOR_VOLTAGE, \ | |
255 | .owner = THIS_MODULE, \ | |
256 | .min_uV = S2MPS11_LDO_MIN, \ | |
257 | .uV_step = S2MPS11_LDO_STEP2, \ | |
258 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
259 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 260 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
261 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
262 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
263 | } | |
264 | ||
265 | #define regulator_desc_buck1_4(num) { \ | |
266 | .name = "BUCK"#num, \ | |
267 | .id = S2MPS11_BUCK##num, \ | |
268 | .ops = &s2mps11_buck_ops, \ | |
269 | .type = REGULATOR_VOLTAGE, \ | |
270 | .owner = THIS_MODULE, \ | |
271 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
272 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
273 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 274 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 275 | .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ |
2693fcab | 276 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
277 | .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ |
278 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
279 | } | |
280 | ||
281 | #define regulator_desc_buck5 { \ | |
282 | .name = "BUCK5", \ | |
283 | .id = S2MPS11_BUCK5, \ | |
284 | .ops = &s2mps11_buck_ops, \ | |
285 | .type = REGULATOR_VOLTAGE, \ | |
286 | .owner = THIS_MODULE, \ | |
287 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
288 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
289 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 290 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 291 | .vsel_reg = S2MPS11_REG_B5CTRL2, \ |
2693fcab | 292 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
293 | .enable_reg = S2MPS11_REG_B5CTRL1, \ |
294 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
295 | } | |
296 | ||
297 | #define regulator_desc_buck6_8(num) { \ | |
298 | .name = "BUCK"#num, \ | |
299 | .id = S2MPS11_BUCK##num, \ | |
300 | .ops = &s2mps11_buck_ops, \ | |
301 | .type = REGULATOR_VOLTAGE, \ | |
302 | .owner = THIS_MODULE, \ | |
303 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
304 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
305 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 306 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 307 | .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ |
2693fcab | 308 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
309 | .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ |
310 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
311 | } | |
312 | ||
313 | #define regulator_desc_buck9 { \ | |
314 | .name = "BUCK9", \ | |
315 | .id = S2MPS11_BUCK9, \ | |
316 | .ops = &s2mps11_buck_ops, \ | |
317 | .type = REGULATOR_VOLTAGE, \ | |
318 | .owner = THIS_MODULE, \ | |
319 | .min_uV = S2MPS11_BUCK_MIN3, \ | |
320 | .uV_step = S2MPS11_BUCK_STEP3, \ | |
321 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 322 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 323 | .vsel_reg = S2MPS11_REG_B9CTRL2, \ |
2693fcab | 324 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
325 | .enable_reg = S2MPS11_REG_B9CTRL1, \ |
326 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
327 | } | |
328 | ||
329 | #define regulator_desc_buck10 { \ | |
330 | .name = "BUCK10", \ | |
331 | .id = S2MPS11_BUCK10, \ | |
332 | .ops = &s2mps11_buck_ops, \ | |
333 | .type = REGULATOR_VOLTAGE, \ | |
334 | .owner = THIS_MODULE, \ | |
335 | .min_uV = S2MPS11_BUCK_MIN2, \ | |
336 | .uV_step = S2MPS11_BUCK_STEP2, \ | |
337 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 338 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
c76edd52 | 339 | .vsel_reg = S2MPS11_REG_B10CTRL2, \ |
2693fcab | 340 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
c76edd52 | 341 | .enable_reg = S2MPS11_REG_B10CTRL1, \ |
cb74685e SK |
342 | .enable_mask = S2MPS11_ENABLE_MASK \ |
343 | } | |
344 | ||
0f4cc282 | 345 | static const struct regulator_desc s2mps11_regulators[] = { |
cb74685e SK |
346 | regulator_desc_ldo2(1), |
347 | regulator_desc_ldo1(2), | |
348 | regulator_desc_ldo1(3), | |
349 | regulator_desc_ldo1(4), | |
350 | regulator_desc_ldo1(5), | |
351 | regulator_desc_ldo2(6), | |
352 | regulator_desc_ldo1(7), | |
353 | regulator_desc_ldo1(8), | |
354 | regulator_desc_ldo1(9), | |
355 | regulator_desc_ldo1(10), | |
356 | regulator_desc_ldo2(11), | |
357 | regulator_desc_ldo1(12), | |
358 | regulator_desc_ldo1(13), | |
359 | regulator_desc_ldo1(14), | |
360 | regulator_desc_ldo1(15), | |
361 | regulator_desc_ldo1(16), | |
362 | regulator_desc_ldo1(17), | |
363 | regulator_desc_ldo1(18), | |
364 | regulator_desc_ldo1(19), | |
365 | regulator_desc_ldo1(20), | |
366 | regulator_desc_ldo1(21), | |
367 | regulator_desc_ldo2(22), | |
368 | regulator_desc_ldo2(23), | |
369 | regulator_desc_ldo1(24), | |
370 | regulator_desc_ldo1(25), | |
371 | regulator_desc_ldo1(26), | |
372 | regulator_desc_ldo2(27), | |
373 | regulator_desc_ldo1(28), | |
374 | regulator_desc_ldo1(29), | |
375 | regulator_desc_ldo1(30), | |
376 | regulator_desc_ldo1(31), | |
377 | regulator_desc_ldo1(32), | |
378 | regulator_desc_ldo1(33), | |
379 | regulator_desc_ldo1(34), | |
380 | regulator_desc_ldo1(35), | |
381 | regulator_desc_ldo1(36), | |
382 | regulator_desc_ldo1(37), | |
383 | regulator_desc_ldo1(38), | |
384 | regulator_desc_buck1_4(1), | |
385 | regulator_desc_buck1_4(2), | |
386 | regulator_desc_buck1_4(3), | |
387 | regulator_desc_buck1_4(4), | |
388 | regulator_desc_buck5, | |
389 | regulator_desc_buck6_8(6), | |
390 | regulator_desc_buck6_8(7), | |
391 | regulator_desc_buck6_8(8), | |
392 | regulator_desc_buck9, | |
393 | regulator_desc_buck10, | |
394 | }; | |
395 | ||
a5023574 | 396 | static int s2mps11_pmic_probe(struct platform_device *pdev) |
cb74685e SK |
397 | { |
398 | struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); | |
3e80f95b KK |
399 | struct sec_platform_data *pdata = iodev->pdata; |
400 | struct of_regulator_match *rdata = NULL; | |
a50c6b32 | 401 | struct device_node *reg_np = NULL; |
cb74685e | 402 | struct regulator_config config = { }; |
cb74685e | 403 | struct s2mps11_info *s2mps11; |
3e80f95b | 404 | int i, ret = 0; |
0f4cc282 KK |
405 | const struct regulator_desc *regulators; |
406 | enum sec_device_type dev_type; | |
cb74685e | 407 | |
cb74685e SK |
408 | s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), |
409 | GFP_KERNEL); | |
410 | if (!s2mps11) | |
411 | return -ENOMEM; | |
412 | ||
0f4cc282 KK |
413 | dev_type = platform_get_device_id(pdev)->driver_data; |
414 | switch (dev_type) { | |
415 | case S2MPS11X: | |
416 | s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); | |
417 | regulators = s2mps11_regulators; | |
418 | break; | |
419 | default: | |
420 | dev_err(&pdev->dev, "Invalid device type: %u\n", dev_type); | |
421 | return -EINVAL; | |
422 | }; | |
3e80f95b | 423 | |
6c683c92 YSB |
424 | if (!iodev->dev->of_node) { |
425 | if (pdata) { | |
426 | goto common_reg; | |
427 | } else { | |
428 | dev_err(pdev->dev.parent, | |
429 | "Platform data or DT node not supplied\n"); | |
430 | return -ENODEV; | |
431 | } | |
432 | } | |
a50c6b32 | 433 | |
0f4cc282 | 434 | rdata = kzalloc(sizeof(*rdata) * s2mps11->rdev_num, GFP_KERNEL); |
3e80f95b KK |
435 | if (!rdata) |
436 | return -ENOMEM; | |
437 | ||
0f4cc282 | 438 | for (i = 0; i < s2mps11->rdev_num; i++) |
a50c6b32 YSB |
439 | rdata[i].name = regulators[i].name; |
440 | ||
441 | reg_np = of_find_node_by_name(iodev->dev->of_node, "regulators"); | |
442 | if (!reg_np) { | |
443 | dev_err(&pdev->dev, "could not find regulators sub-node\n"); | |
3e80f95b KK |
444 | ret = -EINVAL; |
445 | goto out; | |
a50c6b32 YSB |
446 | } |
447 | ||
0f4cc282 | 448 | of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num); |
a50c6b32 | 449 | |
a50c6b32 YSB |
450 | common_reg: |
451 | platform_set_drvdata(pdev, s2mps11); | |
cb74685e | 452 | |
a50c6b32 | 453 | config.dev = &pdev->dev; |
1b1ccee1 | 454 | config.regmap = iodev->regmap_pmic; |
a50c6b32 | 455 | config.driver_data = s2mps11; |
0f4cc282 | 456 | for (i = 0; i < s2mps11->rdev_num; i++) { |
31195252 KK |
457 | struct regulator_dev *regulator; |
458 | ||
a50c6b32 YSB |
459 | if (!reg_np) { |
460 | config.init_data = pdata->regulators[i].initdata; | |
54820f58 | 461 | config.of_node = pdata->regulators[i].reg_node; |
a50c6b32 YSB |
462 | } else { |
463 | config.init_data = rdata[i].init_data; | |
464 | config.of_node = rdata[i].of_node; | |
465 | } | |
cb74685e | 466 | |
31195252 | 467 | regulator = devm_regulator_register(&pdev->dev, |
d55cd794 | 468 | ®ulators[i], &config); |
31195252 KK |
469 | if (IS_ERR(regulator)) { |
470 | ret = PTR_ERR(regulator); | |
232b2504 AL |
471 | dev_err(&pdev->dev, "regulator init failed for %d\n", |
472 | i); | |
3e80f95b | 473 | goto out; |
cb74685e SK |
474 | } |
475 | } | |
476 | ||
3e80f95b KK |
477 | out: |
478 | kfree(rdata); | |
479 | ||
480 | return ret; | |
cb74685e SK |
481 | } |
482 | ||
483 | static const struct platform_device_id s2mps11_pmic_id[] = { | |
3e80f95b | 484 | { "s2mps11-pmic", S2MPS11X}, |
cb74685e SK |
485 | { }, |
486 | }; | |
487 | MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); | |
488 | ||
489 | static struct platform_driver s2mps11_pmic_driver = { | |
490 | .driver = { | |
491 | .name = "s2mps11-pmic", | |
492 | .owner = THIS_MODULE, | |
493 | }, | |
494 | .probe = s2mps11_pmic_probe, | |
cb74685e SK |
495 | .id_table = s2mps11_pmic_id, |
496 | }; | |
497 | ||
498 | static int __init s2mps11_pmic_init(void) | |
499 | { | |
500 | return platform_driver_register(&s2mps11_pmic_driver); | |
501 | } | |
502 | subsys_initcall(s2mps11_pmic_init); | |
503 | ||
504 | static void __exit s2mps11_pmic_exit(void) | |
505 | { | |
506 | platform_driver_unregister(&s2mps11_pmic_driver); | |
507 | } | |
508 | module_exit(s2mps11_pmic_exit); | |
509 | ||
510 | /* Module information */ | |
511 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); | |
512 | MODULE_DESCRIPTION("SAMSUNG S2MPS11 Regulator Driver"); | |
513 | MODULE_LICENSE("GPL"); |