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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 | ||
a50c6b32 YSB |
28 | #define S2MPS11_REGULATOR_CNT ARRAY_SIZE(regulators) |
29 | ||
cb74685e | 30 | struct s2mps11_info { |
ad46ed14 | 31 | struct regulator_dev *rdev[S2MPS11_REGULATOR_MAX]; |
cb74685e SK |
32 | |
33 | int ramp_delay2; | |
34 | int ramp_delay34; | |
35 | int ramp_delay5; | |
36 | int ramp_delay16; | |
37 | int ramp_delay7810; | |
38 | int ramp_delay9; | |
cb74685e SK |
39 | }; |
40 | ||
41 | static int get_ramp_delay(int ramp_delay) | |
42 | { | |
43 | unsigned char cnt = 0; | |
44 | ||
90068348 | 45 | ramp_delay /= 6250; |
cb74685e SK |
46 | |
47 | while (true) { | |
48 | ramp_delay = ramp_delay >> 1; | |
49 | if (ramp_delay == 0) | |
50 | break; | |
51 | cnt++; | |
52 | } | |
f8f1d48b AL |
53 | |
54 | if (cnt > 3) | |
55 | cnt = 3; | |
56 | ||
cb74685e SK |
57 | return cnt; |
58 | } | |
59 | ||
1e1598ed YSB |
60 | static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, |
61 | unsigned int old_selector, | |
62 | unsigned int new_selector) | |
63 | { | |
64 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
65 | unsigned int ramp_delay = 0; | |
66 | int old_volt, new_volt; | |
67 | ||
68 | switch (rdev->desc->id) { | |
69 | case S2MPS11_BUCK2: | |
1e1598ed YSB |
70 | ramp_delay = s2mps11->ramp_delay2; |
71 | break; | |
72 | case S2MPS11_BUCK3: | |
1e1598ed | 73 | case S2MPS11_BUCK4: |
1e1598ed YSB |
74 | ramp_delay = s2mps11->ramp_delay34; |
75 | break; | |
76 | case S2MPS11_BUCK5: | |
77 | ramp_delay = s2mps11->ramp_delay5; | |
78 | break; | |
79 | case S2MPS11_BUCK6: | |
1e1598ed YSB |
80 | case S2MPS11_BUCK1: |
81 | ramp_delay = s2mps11->ramp_delay16; | |
82 | break; | |
83 | case S2MPS11_BUCK7: | |
84 | case S2MPS11_BUCK8: | |
85 | case S2MPS11_BUCK10: | |
86 | ramp_delay = s2mps11->ramp_delay7810; | |
87 | break; | |
88 | case S2MPS11_BUCK9: | |
89 | ramp_delay = s2mps11->ramp_delay9; | |
90 | } | |
91 | ||
92 | if (ramp_delay == 0) | |
93 | ramp_delay = rdev->desc->ramp_delay; | |
94 | ||
95 | old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); | |
96 | new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); | |
97 | ||
98 | return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); | |
99 | } | |
100 | ||
939c0277 YSB |
101 | static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) |
102 | { | |
103 | struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); | |
104 | unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; | |
105 | unsigned int ramp_enable = 1, enable_shift = 0; | |
106 | int ret; | |
107 | ||
108 | switch (rdev->desc->id) { | |
109 | case S2MPS11_BUCK1: | |
110 | if (ramp_delay > s2mps11->ramp_delay16) | |
111 | s2mps11->ramp_delay16 = ramp_delay; | |
112 | else | |
113 | ramp_delay = s2mps11->ramp_delay16; | |
114 | ||
115 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
116 | break; | |
117 | case S2MPS11_BUCK2: | |
118 | enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; | |
119 | if (!ramp_delay) { | |
120 | ramp_enable = 0; | |
121 | break; | |
122 | } | |
123 | ||
124 | s2mps11->ramp_delay2 = ramp_delay; | |
125 | ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; | |
126 | ramp_reg = S2MPS11_REG_RAMP; | |
127 | break; | |
128 | case S2MPS11_BUCK3: | |
129 | enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; | |
130 | if (!ramp_delay) { | |
131 | ramp_enable = 0; | |
132 | break; | |
133 | } | |
134 | ||
135 | if (ramp_delay > s2mps11->ramp_delay34) | |
136 | s2mps11->ramp_delay34 = ramp_delay; | |
137 | else | |
138 | ramp_delay = s2mps11->ramp_delay34; | |
139 | ||
140 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
141 | ramp_reg = S2MPS11_REG_RAMP; | |
142 | break; | |
143 | case S2MPS11_BUCK4: | |
144 | enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; | |
145 | if (!ramp_delay) { | |
146 | ramp_enable = 0; | |
147 | break; | |
148 | } | |
149 | ||
150 | if (ramp_delay > s2mps11->ramp_delay34) | |
151 | s2mps11->ramp_delay34 = ramp_delay; | |
152 | else | |
153 | ramp_delay = s2mps11->ramp_delay34; | |
154 | ||
155 | ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; | |
156 | ramp_reg = S2MPS11_REG_RAMP; | |
157 | break; | |
158 | case S2MPS11_BUCK5: | |
159 | s2mps11->ramp_delay5 = ramp_delay; | |
160 | ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; | |
161 | break; | |
162 | case S2MPS11_BUCK6: | |
163 | enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; | |
164 | if (!ramp_delay) { | |
165 | ramp_enable = 0; | |
166 | break; | |
167 | } | |
168 | ||
169 | if (ramp_delay > s2mps11->ramp_delay16) | |
170 | s2mps11->ramp_delay16 = ramp_delay; | |
171 | else | |
172 | ramp_delay = s2mps11->ramp_delay16; | |
173 | ||
174 | ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; | |
175 | break; | |
176 | case S2MPS11_BUCK7: | |
177 | case S2MPS11_BUCK8: | |
178 | case S2MPS11_BUCK10: | |
179 | if (ramp_delay > s2mps11->ramp_delay7810) | |
180 | s2mps11->ramp_delay7810 = ramp_delay; | |
181 | else | |
182 | ramp_delay = s2mps11->ramp_delay7810; | |
183 | ||
184 | ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; | |
185 | break; | |
186 | case S2MPS11_BUCK9: | |
187 | s2mps11->ramp_delay9 = ramp_delay; | |
188 | ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; | |
189 | break; | |
190 | default: | |
191 | return 0; | |
192 | } | |
193 | ||
194 | if (!ramp_enable) | |
195 | goto ramp_disable; | |
196 | ||
197 | if (enable_shift) { | |
198 | ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, | |
199 | 1 << enable_shift, 1 << enable_shift); | |
200 | if (ret) { | |
201 | dev_err(&rdev->dev, "failed to enable ramp rate\n"); | |
202 | return ret; | |
203 | } | |
204 | } | |
205 | ||
206 | ramp_val = get_ramp_delay(ramp_delay); | |
207 | ||
f8f1d48b AL |
208 | return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, |
209 | ramp_val << ramp_shift); | |
939c0277 YSB |
210 | |
211 | ramp_disable: | |
80853304 AL |
212 | return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, |
213 | 1 << enable_shift, 0); | |
939c0277 YSB |
214 | } |
215 | ||
cb74685e SK |
216 | static struct regulator_ops s2mps11_ldo_ops = { |
217 | .list_voltage = regulator_list_voltage_linear, | |
218 | .map_voltage = regulator_map_voltage_linear, | |
219 | .is_enabled = regulator_is_enabled_regmap, | |
220 | .enable = regulator_enable_regmap, | |
221 | .disable = regulator_disable_regmap, | |
222 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
223 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
224 | .set_voltage_time_sel = regulator_set_voltage_time_sel, | |
225 | }; | |
226 | ||
227 | static struct regulator_ops s2mps11_buck_ops = { | |
228 | .list_voltage = regulator_list_voltage_linear, | |
229 | .map_voltage = regulator_map_voltage_linear, | |
230 | .is_enabled = regulator_is_enabled_regmap, | |
231 | .enable = regulator_enable_regmap, | |
232 | .disable = regulator_disable_regmap, | |
233 | .get_voltage_sel = regulator_get_voltage_sel_regmap, | |
234 | .set_voltage_sel = regulator_set_voltage_sel_regmap, | |
1e1598ed | 235 | .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, |
939c0277 | 236 | .set_ramp_delay = s2mps11_set_ramp_delay, |
cb74685e SK |
237 | }; |
238 | ||
239 | #define regulator_desc_ldo1(num) { \ | |
240 | .name = "LDO"#num, \ | |
241 | .id = S2MPS11_LDO##num, \ | |
242 | .ops = &s2mps11_ldo_ops, \ | |
243 | .type = REGULATOR_VOLTAGE, \ | |
244 | .owner = THIS_MODULE, \ | |
245 | .min_uV = S2MPS11_LDO_MIN, \ | |
246 | .uV_step = S2MPS11_LDO_STEP1, \ | |
247 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
248 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 249 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
250 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
251 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
252 | } | |
253 | #define regulator_desc_ldo2(num) { \ | |
254 | .name = "LDO"#num, \ | |
255 | .id = S2MPS11_LDO##num, \ | |
256 | .ops = &s2mps11_ldo_ops, \ | |
257 | .type = REGULATOR_VOLTAGE, \ | |
258 | .owner = THIS_MODULE, \ | |
259 | .min_uV = S2MPS11_LDO_MIN, \ | |
260 | .uV_step = S2MPS11_LDO_STEP2, \ | |
261 | .n_voltages = S2MPS11_LDO_N_VOLTAGES, \ | |
262 | .vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \ | |
2693fcab | 263 | .vsel_mask = S2MPS11_LDO_VSEL_MASK, \ |
cb74685e SK |
264 | .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \ |
265 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
266 | } | |
267 | ||
268 | #define regulator_desc_buck1_4(num) { \ | |
269 | .name = "BUCK"#num, \ | |
270 | .id = S2MPS11_BUCK##num, \ | |
271 | .ops = &s2mps11_buck_ops, \ | |
272 | .type = REGULATOR_VOLTAGE, \ | |
273 | .owner = THIS_MODULE, \ | |
274 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
275 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
276 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 277 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 278 | .vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \ |
2693fcab | 279 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
280 | .enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \ |
281 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
282 | } | |
283 | ||
284 | #define regulator_desc_buck5 { \ | |
285 | .name = "BUCK5", \ | |
286 | .id = S2MPS11_BUCK5, \ | |
287 | .ops = &s2mps11_buck_ops, \ | |
288 | .type = REGULATOR_VOLTAGE, \ | |
289 | .owner = THIS_MODULE, \ | |
290 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
291 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
292 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 293 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 294 | .vsel_reg = S2MPS11_REG_B5CTRL2, \ |
2693fcab | 295 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
296 | .enable_reg = S2MPS11_REG_B5CTRL1, \ |
297 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
298 | } | |
299 | ||
300 | #define regulator_desc_buck6_8(num) { \ | |
301 | .name = "BUCK"#num, \ | |
302 | .id = S2MPS11_BUCK##num, \ | |
303 | .ops = &s2mps11_buck_ops, \ | |
304 | .type = REGULATOR_VOLTAGE, \ | |
305 | .owner = THIS_MODULE, \ | |
306 | .min_uV = S2MPS11_BUCK_MIN1, \ | |
307 | .uV_step = S2MPS11_BUCK_STEP1, \ | |
308 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 309 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 310 | .vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \ |
2693fcab | 311 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
312 | .enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \ |
313 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
314 | } | |
315 | ||
316 | #define regulator_desc_buck9 { \ | |
317 | .name = "BUCK9", \ | |
318 | .id = S2MPS11_BUCK9, \ | |
319 | .ops = &s2mps11_buck_ops, \ | |
320 | .type = REGULATOR_VOLTAGE, \ | |
321 | .owner = THIS_MODULE, \ | |
322 | .min_uV = S2MPS11_BUCK_MIN3, \ | |
323 | .uV_step = S2MPS11_BUCK_STEP3, \ | |
324 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 325 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
cb74685e | 326 | .vsel_reg = S2MPS11_REG_B9CTRL2, \ |
2693fcab | 327 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
cb74685e SK |
328 | .enable_reg = S2MPS11_REG_B9CTRL1, \ |
329 | .enable_mask = S2MPS11_ENABLE_MASK \ | |
330 | } | |
331 | ||
332 | #define regulator_desc_buck10 { \ | |
333 | .name = "BUCK10", \ | |
334 | .id = S2MPS11_BUCK10, \ | |
335 | .ops = &s2mps11_buck_ops, \ | |
336 | .type = REGULATOR_VOLTAGE, \ | |
337 | .owner = THIS_MODULE, \ | |
338 | .min_uV = S2MPS11_BUCK_MIN2, \ | |
339 | .uV_step = S2MPS11_BUCK_STEP2, \ | |
340 | .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ | |
90068348 | 341 | .ramp_delay = S2MPS11_RAMP_DELAY, \ |
c76edd52 | 342 | .vsel_reg = S2MPS11_REG_B10CTRL2, \ |
2693fcab | 343 | .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ |
c76edd52 | 344 | .enable_reg = S2MPS11_REG_B10CTRL1, \ |
cb74685e SK |
345 | .enable_mask = S2MPS11_ENABLE_MASK \ |
346 | } | |
347 | ||
348 | static struct regulator_desc regulators[] = { | |
349 | regulator_desc_ldo2(1), | |
350 | regulator_desc_ldo1(2), | |
351 | regulator_desc_ldo1(3), | |
352 | regulator_desc_ldo1(4), | |
353 | regulator_desc_ldo1(5), | |
354 | regulator_desc_ldo2(6), | |
355 | regulator_desc_ldo1(7), | |
356 | regulator_desc_ldo1(8), | |
357 | regulator_desc_ldo1(9), | |
358 | regulator_desc_ldo1(10), | |
359 | regulator_desc_ldo2(11), | |
360 | regulator_desc_ldo1(12), | |
361 | regulator_desc_ldo1(13), | |
362 | regulator_desc_ldo1(14), | |
363 | regulator_desc_ldo1(15), | |
364 | regulator_desc_ldo1(16), | |
365 | regulator_desc_ldo1(17), | |
366 | regulator_desc_ldo1(18), | |
367 | regulator_desc_ldo1(19), | |
368 | regulator_desc_ldo1(20), | |
369 | regulator_desc_ldo1(21), | |
370 | regulator_desc_ldo2(22), | |
371 | regulator_desc_ldo2(23), | |
372 | regulator_desc_ldo1(24), | |
373 | regulator_desc_ldo1(25), | |
374 | regulator_desc_ldo1(26), | |
375 | regulator_desc_ldo2(27), | |
376 | regulator_desc_ldo1(28), | |
377 | regulator_desc_ldo1(29), | |
378 | regulator_desc_ldo1(30), | |
379 | regulator_desc_ldo1(31), | |
380 | regulator_desc_ldo1(32), | |
381 | regulator_desc_ldo1(33), | |
382 | regulator_desc_ldo1(34), | |
383 | regulator_desc_ldo1(35), | |
384 | regulator_desc_ldo1(36), | |
385 | regulator_desc_ldo1(37), | |
386 | regulator_desc_ldo1(38), | |
387 | regulator_desc_buck1_4(1), | |
388 | regulator_desc_buck1_4(2), | |
389 | regulator_desc_buck1_4(3), | |
390 | regulator_desc_buck1_4(4), | |
391 | regulator_desc_buck5, | |
392 | regulator_desc_buck6_8(6), | |
393 | regulator_desc_buck6_8(7), | |
394 | regulator_desc_buck6_8(8), | |
395 | regulator_desc_buck9, | |
396 | regulator_desc_buck10, | |
397 | }; | |
398 | ||
a5023574 | 399 | static int s2mps11_pmic_probe(struct platform_device *pdev) |
cb74685e SK |
400 | { |
401 | struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); | |
402 | struct sec_platform_data *pdata = dev_get_platdata(iodev->dev); | |
a50c6b32 YSB |
403 | struct of_regulator_match rdata[S2MPS11_REGULATOR_MAX]; |
404 | struct device_node *reg_np = NULL; | |
cb74685e | 405 | struct regulator_config config = { }; |
cb74685e | 406 | struct s2mps11_info *s2mps11; |
ad46ed14 | 407 | int i, ret; |
cb74685e | 408 | |
cb74685e SK |
409 | s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), |
410 | GFP_KERNEL); | |
411 | if (!s2mps11) | |
412 | return -ENOMEM; | |
413 | ||
6c683c92 YSB |
414 | if (!iodev->dev->of_node) { |
415 | if (pdata) { | |
416 | goto common_reg; | |
417 | } else { | |
418 | dev_err(pdev->dev.parent, | |
419 | "Platform data or DT node not supplied\n"); | |
420 | return -ENODEV; | |
421 | } | |
422 | } | |
a50c6b32 YSB |
423 | |
424 | for (i = 0; i < S2MPS11_REGULATOR_CNT; i++) | |
425 | rdata[i].name = regulators[i].name; | |
426 | ||
427 | reg_np = of_find_node_by_name(iodev->dev->of_node, "regulators"); | |
428 | if (!reg_np) { | |
429 | dev_err(&pdev->dev, "could not find regulators sub-node\n"); | |
430 | return -EINVAL; | |
431 | } | |
432 | ||
433 | of_regulator_match(&pdev->dev, reg_np, rdata, S2MPS11_REGULATOR_MAX); | |
434 | ||
a50c6b32 YSB |
435 | common_reg: |
436 | platform_set_drvdata(pdev, s2mps11); | |
cb74685e | 437 | |
a50c6b32 | 438 | config.dev = &pdev->dev; |
1b1ccee1 | 439 | config.regmap = iodev->regmap_pmic; |
a50c6b32 YSB |
440 | config.driver_data = s2mps11; |
441 | for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) { | |
442 | if (!reg_np) { | |
443 | config.init_data = pdata->regulators[i].initdata; | |
54820f58 | 444 | config.of_node = pdata->regulators[i].reg_node; |
a50c6b32 YSB |
445 | } else { |
446 | config.init_data = rdata[i].init_data; | |
447 | config.of_node = rdata[i].of_node; | |
448 | } | |
cb74685e | 449 | |
d55cd794 SK |
450 | s2mps11->rdev[i] = devm_regulator_register(&pdev->dev, |
451 | ®ulators[i], &config); | |
ad46ed14 AL |
452 | if (IS_ERR(s2mps11->rdev[i])) { |
453 | ret = PTR_ERR(s2mps11->rdev[i]); | |
232b2504 AL |
454 | dev_err(&pdev->dev, "regulator init failed for %d\n", |
455 | i); | |
b707a274 | 456 | return ret; |
cb74685e SK |
457 | } |
458 | } | |
459 | ||
cb74685e SK |
460 | return 0; |
461 | } | |
462 | ||
463 | static const struct platform_device_id s2mps11_pmic_id[] = { | |
464 | { "s2mps11-pmic", 0}, | |
465 | { }, | |
466 | }; | |
467 | MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); | |
468 | ||
469 | static struct platform_driver s2mps11_pmic_driver = { | |
470 | .driver = { | |
471 | .name = "s2mps11-pmic", | |
472 | .owner = THIS_MODULE, | |
473 | }, | |
474 | .probe = s2mps11_pmic_probe, | |
cb74685e SK |
475 | .id_table = s2mps11_pmic_id, |
476 | }; | |
477 | ||
478 | static int __init s2mps11_pmic_init(void) | |
479 | { | |
480 | return platform_driver_register(&s2mps11_pmic_driver); | |
481 | } | |
482 | subsys_initcall(s2mps11_pmic_init); | |
483 | ||
484 | static void __exit s2mps11_pmic_exit(void) | |
485 | { | |
486 | platform_driver_unregister(&s2mps11_pmic_driver); | |
487 | } | |
488 | module_exit(s2mps11_pmic_exit); | |
489 | ||
490 | /* Module information */ | |
491 | MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); | |
492 | MODULE_DESCRIPTION("SAMSUNG S2MPS11 Regulator Driver"); | |
493 | MODULE_LICENSE("GPL"); |