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9260ad98 MO |
1 | /* |
2 | * tps65912.c -- TI tps65912 | |
3 | * | |
4 | * Copyright 2011 Texas Instruments Inc. | |
5 | * | |
6 | * Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * This driver is based on wm8350 implementation. | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/module.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/err.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/regulator/driver.h> | |
22 | #include <linux/regulator/machine.h> | |
9260ad98 MO |
23 | #include <linux/slab.h> |
24 | #include <linux/gpio.h> | |
25 | #include <linux/mfd/tps65912.h> | |
26 | ||
27 | /* DCDC's */ | |
28 | #define TPS65912_REG_DCDC1 0 | |
29 | #define TPS65912_REG_DCDC2 1 | |
30 | #define TPS65912_REG_DCDC3 2 | |
31 | #define TPS65912_REG_DCDC4 3 | |
32 | ||
33 | /* LDOs */ | |
34 | #define TPS65912_REG_LDO1 4 | |
35 | #define TPS65912_REG_LDO2 5 | |
36 | #define TPS65912_REG_LDO3 6 | |
37 | #define TPS65912_REG_LDO4 7 | |
38 | #define TPS65912_REG_LDO5 8 | |
39 | #define TPS65912_REG_LDO6 9 | |
40 | #define TPS65912_REG_LDO7 10 | |
41 | #define TPS65912_REG_LDO8 11 | |
42 | #define TPS65912_REG_LDO9 12 | |
43 | #define TPS65912_REG_LDO10 13 | |
44 | ||
9260ad98 MO |
45 | /* Number of step-down converters available */ |
46 | #define TPS65912_NUM_DCDC 4 | |
47 | ||
48 | /* Number of LDO voltage regulators available */ | |
49 | #define TPS65912_NUM_LDO 10 | |
50 | ||
51 | /* Number of total regulators available */ | |
52 | #define TPS65912_NUM_REGULATOR (TPS65912_NUM_DCDC + TPS65912_NUM_LDO) | |
53 | ||
54 | #define TPS65912_REG_ENABLED 0x80 | |
55 | #define OP_SELREG_MASK 0x40 | |
56 | #define OP_SELREG_SHIFT 6 | |
57 | ||
58 | struct tps_info { | |
59 | const char *name; | |
60 | }; | |
61 | ||
62 | static struct tps_info tps65912_regs[] = { | |
63 | { | |
64 | .name = "DCDC1", | |
65 | }, | |
66 | { | |
67 | .name = "DCDC2", | |
68 | }, | |
69 | { | |
70 | .name = "DCDC3", | |
71 | }, | |
72 | { | |
73 | .name = "DCDC4", | |
74 | }, | |
75 | { | |
76 | .name = "LDO1", | |
77 | }, | |
78 | { | |
79 | .name = "LDO2", | |
80 | }, | |
81 | { | |
82 | .name = "LDO3", | |
83 | }, | |
84 | { | |
85 | .name = "LDO4", | |
86 | }, | |
87 | { | |
88 | .name = "LDO5", | |
89 | }, | |
90 | { | |
91 | .name = "LDO6", | |
92 | }, | |
93 | { | |
94 | .name = "LDO7", | |
95 | }, | |
96 | { | |
97 | .name = "LDO8", | |
98 | }, | |
99 | { | |
100 | .name = "LDO9", | |
101 | }, | |
102 | { | |
103 | .name = "LDO10", | |
104 | }, | |
105 | }; | |
106 | ||
107 | struct tps65912_reg { | |
108 | struct regulator_desc desc[TPS65912_NUM_REGULATOR]; | |
109 | struct tps65912 *mfd; | |
110 | struct regulator_dev *rdev[TPS65912_NUM_REGULATOR]; | |
111 | struct tps_info *info[TPS65912_NUM_REGULATOR]; | |
112 | /* for read/write access */ | |
113 | struct mutex io_lock; | |
114 | int mode; | |
115 | int (*get_ctrl_reg)(int); | |
85c5d86d | 116 | int dcdc_range[TPS65912_NUM_DCDC]; |
9260ad98 MO |
117 | int pwm_mode_reg; |
118 | int eco_reg; | |
119 | }; | |
120 | ||
fba6583b AL |
121 | static const struct regulator_linear_range tps65912_ldo_ranges[] = { |
122 | { .min_uV = 800000, .max_uV = 1600000, .min_sel = 0, .max_sel = 32, | |
123 | .uV_step = 25000 }, | |
124 | { .min_uV = 1650000, .max_uV = 3000000, .min_sel = 33, .max_sel = 60, | |
125 | .uV_step = 50000 }, | |
126 | { .min_uV = 3100000, .max_uV = 3300000, .min_sel = 61, .max_sel = 63, | |
127 | .uV_step = 100000 }, | |
128 | }; | |
129 | ||
9260ad98 MO |
130 | static int tps65912_get_range(struct tps65912_reg *pmic, int id) |
131 | { | |
132 | struct tps65912 *mfd = pmic->mfd; | |
85c5d86d | 133 | int range; |
9260ad98 MO |
134 | |
135 | switch (id) { | |
136 | case TPS65912_REG_DCDC1: | |
85c5d86d AL |
137 | range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT); |
138 | break; | |
9260ad98 | 139 | case TPS65912_REG_DCDC2: |
85c5d86d AL |
140 | range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT); |
141 | break; | |
9260ad98 | 142 | case TPS65912_REG_DCDC3: |
85c5d86d AL |
143 | range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT); |
144 | break; | |
9260ad98 | 145 | case TPS65912_REG_DCDC4: |
85c5d86d AL |
146 | range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT); |
147 | break; | |
9260ad98 MO |
148 | default: |
149 | return 0; | |
150 | } | |
85c5d86d AL |
151 | |
152 | if (range >= 0) | |
153 | range = (range & DCDC_LIMIT_RANGE_MASK) | |
154 | >> DCDC_LIMIT_RANGE_SHIFT; | |
155 | ||
156 | pmic->dcdc_range[id] = range; | |
157 | return range; | |
9260ad98 MO |
158 | } |
159 | ||
160 | static unsigned long tps65912_vsel_to_uv_range0(u8 vsel) | |
161 | { | |
162 | unsigned long uv; | |
163 | ||
164 | uv = ((vsel * 12500) + 500000); | |
165 | return uv; | |
166 | } | |
167 | ||
168 | static unsigned long tps65912_vsel_to_uv_range1(u8 vsel) | |
169 | { | |
170 | unsigned long uv; | |
171 | ||
172 | uv = ((vsel * 12500) + 700000); | |
173 | return uv; | |
174 | } | |
175 | ||
176 | static unsigned long tps65912_vsel_to_uv_range2(u8 vsel) | |
177 | { | |
178 | unsigned long uv; | |
179 | ||
180 | uv = ((vsel * 25000) + 500000); | |
181 | return uv; | |
182 | } | |
183 | ||
184 | static unsigned long tps65912_vsel_to_uv_range3(u8 vsel) | |
185 | { | |
186 | unsigned long uv; | |
187 | ||
188 | if (vsel == 0x3f) | |
189 | uv = 3800000; | |
190 | else | |
191 | uv = ((vsel * 50000) + 500000); | |
192 | ||
193 | return uv; | |
194 | } | |
195 | ||
9260ad98 MO |
196 | static int tps65912_get_ctrl_register(int id) |
197 | { | |
42b5efe4 AL |
198 | if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) |
199 | return id * 3 + TPS65912_DCDC1_AVS; | |
200 | else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) | |
201 | return id - TPS65912_REG_LDO5 + TPS65912_LDO5; | |
202 | else | |
9260ad98 | 203 | return -EINVAL; |
9260ad98 MO |
204 | } |
205 | ||
42b5efe4 | 206 | static int tps65912_get_sel_register(struct tps65912_reg *pmic, int id) |
9260ad98 MO |
207 | { |
208 | struct tps65912 *mfd = pmic->mfd; | |
42b5efe4 | 209 | int opvsel; |
9260ad98 MO |
210 | u8 reg = 0; |
211 | ||
42b5efe4 AL |
212 | if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) { |
213 | opvsel = tps65912_reg_read(mfd, id * 3 + TPS65912_DCDC1_OP); | |
214 | if (opvsel & OP_SELREG_MASK) | |
215 | reg = id * 3 + TPS65912_DCDC1_AVS; | |
9260ad98 | 216 | else |
42b5efe4 AL |
217 | reg = id * 3 + TPS65912_DCDC1_OP; |
218 | } else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) { | |
219 | reg = id - TPS65912_REG_LDO5 + TPS65912_LDO5; | |
220 | } else { | |
9260ad98 | 221 | return -EINVAL; |
9260ad98 MO |
222 | } |
223 | ||
224 | return reg; | |
225 | } | |
226 | ||
227 | static int tps65912_get_mode_regiters(struct tps65912_reg *pmic, int id) | |
228 | { | |
229 | switch (id) { | |
230 | case TPS65912_REG_DCDC1: | |
231 | pmic->pwm_mode_reg = TPS65912_DCDC1_CTRL; | |
232 | pmic->eco_reg = TPS65912_DCDC1_AVS; | |
233 | break; | |
234 | case TPS65912_REG_DCDC2: | |
235 | pmic->pwm_mode_reg = TPS65912_DCDC2_CTRL; | |
236 | pmic->eco_reg = TPS65912_DCDC2_AVS; | |
237 | break; | |
238 | case TPS65912_REG_DCDC3: | |
239 | pmic->pwm_mode_reg = TPS65912_DCDC3_CTRL; | |
240 | pmic->eco_reg = TPS65912_DCDC3_AVS; | |
241 | break; | |
242 | case TPS65912_REG_DCDC4: | |
243 | pmic->pwm_mode_reg = TPS65912_DCDC4_CTRL; | |
244 | pmic->eco_reg = TPS65912_DCDC4_AVS; | |
245 | break; | |
246 | default: | |
247 | return -EINVAL; | |
248 | } | |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
253 | static int tps65912_reg_is_enabled(struct regulator_dev *dev) | |
254 | { | |
255 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
256 | struct tps65912 *mfd = pmic->mfd; | |
257 | int reg, value, id = rdev_get_id(dev); | |
258 | ||
259 | if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10) | |
260 | return -EINVAL; | |
261 | ||
262 | reg = pmic->get_ctrl_reg(id); | |
263 | if (reg < 0) | |
264 | return reg; | |
265 | ||
266 | value = tps65912_reg_read(mfd, reg); | |
267 | if (value < 0) | |
268 | return value; | |
269 | ||
270 | return value & TPS65912_REG_ENABLED; | |
271 | } | |
272 | ||
273 | static int tps65912_reg_enable(struct regulator_dev *dev) | |
274 | { | |
275 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
276 | struct tps65912 *mfd = pmic->mfd; | |
277 | int id = rdev_get_id(dev); | |
6daa663d | 278 | int reg; |
9260ad98 MO |
279 | |
280 | if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10) | |
281 | return -EINVAL; | |
282 | ||
283 | reg = pmic->get_ctrl_reg(id); | |
284 | if (reg < 0) | |
285 | return reg; | |
286 | ||
287 | return tps65912_set_bits(mfd, reg, TPS65912_REG_ENABLED); | |
288 | } | |
289 | ||
290 | static int tps65912_reg_disable(struct regulator_dev *dev) | |
291 | { | |
292 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
293 | struct tps65912 *mfd = pmic->mfd; | |
294 | int id = rdev_get_id(dev), reg; | |
295 | ||
296 | reg = pmic->get_ctrl_reg(id); | |
297 | if (reg < 0) | |
298 | return reg; | |
299 | ||
300 | return tps65912_clear_bits(mfd, reg, TPS65912_REG_ENABLED); | |
301 | } | |
302 | ||
303 | static int tps65912_set_mode(struct regulator_dev *dev, unsigned int mode) | |
304 | { | |
305 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
306 | struct tps65912 *mfd = pmic->mfd; | |
307 | int pwm_mode, eco, id = rdev_get_id(dev); | |
308 | ||
309 | tps65912_get_mode_regiters(pmic, id); | |
310 | ||
311 | pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg); | |
312 | eco = tps65912_reg_read(mfd, pmic->eco_reg); | |
313 | ||
314 | pwm_mode &= DCDCCTRL_DCDC_MODE_MASK; | |
315 | eco &= DCDC_AVS_ECO_MASK; | |
316 | ||
317 | switch (mode) { | |
318 | case REGULATOR_MODE_FAST: | |
319 | /* Verify if mode alredy set */ | |
320 | if (pwm_mode && !eco) | |
321 | break; | |
322 | tps65912_set_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
323 | tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
324 | break; | |
325 | case REGULATOR_MODE_NORMAL: | |
326 | case REGULATOR_MODE_IDLE: | |
327 | if (!pwm_mode && !eco) | |
328 | break; | |
329 | tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
330 | tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
331 | break; | |
332 | case REGULATOR_MODE_STANDBY: | |
333 | if (!pwm_mode && eco) | |
334 | break; | |
335 | tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
336 | tps65912_set_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
337 | break; | |
338 | default: | |
339 | return -EINVAL; | |
340 | } | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
345 | static unsigned int tps65912_get_mode(struct regulator_dev *dev) | |
346 | { | |
347 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
348 | struct tps65912 *mfd = pmic->mfd; | |
349 | int pwm_mode, eco, mode = 0, id = rdev_get_id(dev); | |
350 | ||
351 | tps65912_get_mode_regiters(pmic, id); | |
352 | ||
353 | pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg); | |
354 | eco = tps65912_reg_read(mfd, pmic->eco_reg); | |
355 | ||
356 | pwm_mode &= DCDCCTRL_DCDC_MODE_MASK; | |
357 | eco &= DCDC_AVS_ECO_MASK; | |
358 | ||
359 | if (pwm_mode && !eco) | |
360 | mode = REGULATOR_MODE_FAST; | |
361 | else if (!pwm_mode && !eco) | |
362 | mode = REGULATOR_MODE_NORMAL; | |
363 | else if (!pwm_mode && eco) | |
364 | mode = REGULATOR_MODE_STANDBY; | |
365 | ||
366 | return mode; | |
367 | } | |
368 | ||
f72d643e | 369 | static int tps65912_list_voltage(struct regulator_dev *dev, unsigned selector) |
9260ad98 MO |
370 | { |
371 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
844775ef | 372 | int range, voltage = 0, id = rdev_get_id(dev); |
9260ad98 | 373 | |
85c5d86d | 374 | if (id > TPS65912_REG_DCDC4) |
9260ad98 | 375 | return -EINVAL; |
85c5d86d AL |
376 | |
377 | range = pmic->dcdc_range[id]; | |
9260ad98 | 378 | |
9260ad98 MO |
379 | switch (range) { |
380 | case 0: | |
381 | /* 0.5 - 1.2875V in 12.5mV steps */ | |
844775ef | 382 | voltage = tps65912_vsel_to_uv_range0(selector); |
9260ad98 MO |
383 | break; |
384 | case 1: | |
385 | /* 0.7 - 1.4875V in 12.5mV steps */ | |
844775ef | 386 | voltage = tps65912_vsel_to_uv_range1(selector); |
9260ad98 MO |
387 | break; |
388 | case 2: | |
389 | /* 0.5 - 2.075V in 25mV steps */ | |
844775ef | 390 | voltage = tps65912_vsel_to_uv_range2(selector); |
9260ad98 MO |
391 | break; |
392 | case 3: | |
393 | /* 0.5 - 3.8V in 50mV steps */ | |
844775ef | 394 | voltage = tps65912_vsel_to_uv_range3(selector); |
9260ad98 MO |
395 | break; |
396 | } | |
397 | return voltage; | |
398 | } | |
399 | ||
9db7f056 | 400 | static int tps65912_get_voltage_sel(struct regulator_dev *dev) |
844775ef AL |
401 | { |
402 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
403 | struct tps65912 *mfd = pmic->mfd; | |
404 | int id = rdev_get_id(dev); | |
c567556e | 405 | int reg, vsel; |
844775ef | 406 | |
c567556e AL |
407 | reg = tps65912_get_sel_register(pmic, id); |
408 | if (reg < 0) | |
409 | return reg; | |
844775ef | 410 | |
c567556e | 411 | vsel = tps65912_reg_read(mfd, reg); |
844775ef AL |
412 | vsel &= 0x3F; |
413 | ||
9db7f056 | 414 | return vsel; |
844775ef AL |
415 | } |
416 | ||
831c986f | 417 | static int tps65912_set_voltage_sel(struct regulator_dev *dev, |
94732b97 | 418 | unsigned selector) |
9260ad98 MO |
419 | { |
420 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
421 | struct tps65912 *mfd = pmic->mfd; | |
422 | int id = rdev_get_id(dev); | |
423 | int value; | |
424 | u8 reg; | |
425 | ||
42b5efe4 | 426 | reg = tps65912_get_sel_register(pmic, id); |
9260ad98 MO |
427 | value = tps65912_reg_read(mfd, reg); |
428 | value &= 0xC0; | |
429 | return tps65912_reg_write(mfd, reg, selector | value); | |
430 | } | |
431 | ||
9260ad98 MO |
432 | /* Operations permitted on DCDCx */ |
433 | static struct regulator_ops tps65912_ops_dcdc = { | |
434 | .is_enabled = tps65912_reg_is_enabled, | |
435 | .enable = tps65912_reg_enable, | |
436 | .disable = tps65912_reg_disable, | |
437 | .set_mode = tps65912_set_mode, | |
438 | .get_mode = tps65912_get_mode, | |
9db7f056 | 439 | .get_voltage_sel = tps65912_get_voltage_sel, |
831c986f | 440 | .set_voltage_sel = tps65912_set_voltage_sel, |
f72d643e | 441 | .list_voltage = tps65912_list_voltage, |
9260ad98 MO |
442 | }; |
443 | ||
444 | /* Operations permitted on LDOx */ | |
445 | static struct regulator_ops tps65912_ops_ldo = { | |
446 | .is_enabled = tps65912_reg_is_enabled, | |
447 | .enable = tps65912_reg_enable, | |
448 | .disable = tps65912_reg_disable, | |
9db7f056 | 449 | .get_voltage_sel = tps65912_get_voltage_sel, |
831c986f | 450 | .set_voltage_sel = tps65912_set_voltage_sel, |
fba6583b AL |
451 | .list_voltage = regulator_list_voltage_linear_range, |
452 | .map_voltage = regulator_map_voltage_linear_range, | |
9260ad98 MO |
453 | }; |
454 | ||
a5023574 | 455 | static int tps65912_probe(struct platform_device *pdev) |
9260ad98 MO |
456 | { |
457 | struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent); | |
c172708d | 458 | struct regulator_config config = { }; |
9260ad98 MO |
459 | struct tps_info *info; |
460 | struct regulator_init_data *reg_data; | |
461 | struct regulator_dev *rdev; | |
462 | struct tps65912_reg *pmic; | |
463 | struct tps65912_board *pmic_plat_data; | |
464 | int i, err; | |
465 | ||
466 | pmic_plat_data = dev_get_platdata(tps65912->dev); | |
467 | if (!pmic_plat_data) | |
468 | return -EINVAL; | |
469 | ||
470 | reg_data = pmic_plat_data->tps65912_pmic_init_data; | |
471 | ||
9eb0c421 | 472 | pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); |
9260ad98 MO |
473 | if (!pmic) |
474 | return -ENOMEM; | |
475 | ||
476 | mutex_init(&pmic->io_lock); | |
477 | pmic->mfd = tps65912; | |
478 | platform_set_drvdata(pdev, pmic); | |
479 | ||
480 | pmic->get_ctrl_reg = &tps65912_get_ctrl_register; | |
481 | info = tps65912_regs; | |
482 | ||
483 | for (i = 0; i < TPS65912_NUM_REGULATOR; i++, info++, reg_data++) { | |
484 | int range = 0; | |
485 | /* Register the regulators */ | |
486 | pmic->info[i] = info; | |
487 | ||
488 | pmic->desc[i].name = info->name; | |
489 | pmic->desc[i].id = i; | |
490 | pmic->desc[i].n_voltages = 64; | |
fba6583b AL |
491 | if (i > TPS65912_REG_DCDC4) { |
492 | pmic->desc[i].ops = &tps65912_ops_ldo; | |
493 | pmic->desc[i].linear_ranges = tps65912_ldo_ranges; | |
494 | pmic->desc[i].n_linear_ranges = | |
495 | ARRAY_SIZE(tps65912_ldo_ranges); | |
496 | } else { | |
497 | pmic->desc[i].ops = &tps65912_ops_dcdc; | |
498 | } | |
9260ad98 MO |
499 | pmic->desc[i].type = REGULATOR_VOLTAGE; |
500 | pmic->desc[i].owner = THIS_MODULE; | |
501 | range = tps65912_get_range(pmic, i); | |
c172708d MB |
502 | |
503 | config.dev = tps65912->dev; | |
504 | config.init_data = reg_data; | |
505 | config.driver_data = pmic; | |
506 | ||
507 | rdev = regulator_register(&pmic->desc[i], &config); | |
9260ad98 MO |
508 | if (IS_ERR(rdev)) { |
509 | dev_err(tps65912->dev, | |
510 | "failed to register %s regulator\n", | |
511 | pdev->name); | |
512 | err = PTR_ERR(rdev); | |
513 | goto err; | |
514 | } | |
515 | ||
516 | /* Save regulator for cleanup */ | |
517 | pmic->rdev[i] = rdev; | |
518 | } | |
519 | return 0; | |
520 | ||
521 | err: | |
522 | while (--i >= 0) | |
523 | regulator_unregister(pmic->rdev[i]); | |
9260ad98 MO |
524 | return err; |
525 | } | |
526 | ||
8dc995f5 | 527 | static int tps65912_remove(struct platform_device *pdev) |
9260ad98 MO |
528 | { |
529 | struct tps65912_reg *tps65912_reg = platform_get_drvdata(pdev); | |
530 | int i; | |
531 | ||
532 | for (i = 0; i < TPS65912_NUM_REGULATOR; i++) | |
533 | regulator_unregister(tps65912_reg->rdev[i]); | |
9260ad98 MO |
534 | return 0; |
535 | } | |
536 | ||
537 | static struct platform_driver tps65912_driver = { | |
538 | .driver = { | |
539 | .name = "tps65912-pmic", | |
540 | .owner = THIS_MODULE, | |
541 | }, | |
542 | .probe = tps65912_probe, | |
5eb9f2b9 | 543 | .remove = tps65912_remove, |
9260ad98 MO |
544 | }; |
545 | ||
9260ad98 MO |
546 | static int __init tps65912_init(void) |
547 | { | |
548 | return platform_driver_register(&tps65912_driver); | |
549 | } | |
550 | subsys_initcall(tps65912_init); | |
551 | ||
9260ad98 MO |
552 | static void __exit tps65912_cleanup(void) |
553 | { | |
554 | platform_driver_unregister(&tps65912_driver); | |
555 | } | |
556 | module_exit(tps65912_cleanup); | |
557 | ||
558 | MODULE_AUTHOR("Margarita Olaya Cabrera <magi@slimlogic.co.uk>"); | |
559 | MODULE_DESCRIPTION("TPS65912 voltage regulator driver"); | |
560 | MODULE_LICENSE("GPL v2"); | |
561 | MODULE_ALIAS("platform:tps65912-pmic"); |