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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 | ||
121 | static int tps65912_get_range(struct tps65912_reg *pmic, int id) | |
122 | { | |
123 | struct tps65912 *mfd = pmic->mfd; | |
85c5d86d | 124 | int range; |
9260ad98 MO |
125 | |
126 | switch (id) { | |
127 | case TPS65912_REG_DCDC1: | |
85c5d86d AL |
128 | range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT); |
129 | break; | |
9260ad98 | 130 | case TPS65912_REG_DCDC2: |
85c5d86d AL |
131 | range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT); |
132 | break; | |
9260ad98 | 133 | case TPS65912_REG_DCDC3: |
85c5d86d AL |
134 | range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT); |
135 | break; | |
9260ad98 | 136 | case TPS65912_REG_DCDC4: |
85c5d86d AL |
137 | range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT); |
138 | break; | |
9260ad98 MO |
139 | default: |
140 | return 0; | |
141 | } | |
85c5d86d AL |
142 | |
143 | if (range >= 0) | |
144 | range = (range & DCDC_LIMIT_RANGE_MASK) | |
145 | >> DCDC_LIMIT_RANGE_SHIFT; | |
146 | ||
147 | pmic->dcdc_range[id] = range; | |
148 | return range; | |
9260ad98 MO |
149 | } |
150 | ||
151 | static unsigned long tps65912_vsel_to_uv_range0(u8 vsel) | |
152 | { | |
153 | unsigned long uv; | |
154 | ||
155 | uv = ((vsel * 12500) + 500000); | |
156 | return uv; | |
157 | } | |
158 | ||
159 | static unsigned long tps65912_vsel_to_uv_range1(u8 vsel) | |
160 | { | |
161 | unsigned long uv; | |
162 | ||
163 | uv = ((vsel * 12500) + 700000); | |
164 | return uv; | |
165 | } | |
166 | ||
167 | static unsigned long tps65912_vsel_to_uv_range2(u8 vsel) | |
168 | { | |
169 | unsigned long uv; | |
170 | ||
171 | uv = ((vsel * 25000) + 500000); | |
172 | return uv; | |
173 | } | |
174 | ||
175 | static unsigned long tps65912_vsel_to_uv_range3(u8 vsel) | |
176 | { | |
177 | unsigned long uv; | |
178 | ||
179 | if (vsel == 0x3f) | |
180 | uv = 3800000; | |
181 | else | |
182 | uv = ((vsel * 50000) + 500000); | |
183 | ||
184 | return uv; | |
185 | } | |
186 | ||
187 | static unsigned long tps65912_vsel_to_uv_ldo(u8 vsel) | |
188 | { | |
189 | unsigned long uv = 0; | |
190 | ||
191 | if (vsel <= 32) | |
192 | uv = ((vsel * 25000) + 800000); | |
193 | else if (vsel > 32 && vsel <= 60) | |
194 | uv = (((vsel - 32) * 50000) + 1600000); | |
195 | else if (vsel > 60) | |
196 | uv = (((vsel - 60) * 100000) + 3000000); | |
197 | ||
198 | return uv; | |
199 | } | |
200 | ||
201 | static int tps65912_get_ctrl_register(int id) | |
202 | { | |
42b5efe4 AL |
203 | if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) |
204 | return id * 3 + TPS65912_DCDC1_AVS; | |
205 | else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) | |
206 | return id - TPS65912_REG_LDO5 + TPS65912_LDO5; | |
207 | else | |
9260ad98 | 208 | return -EINVAL; |
9260ad98 MO |
209 | } |
210 | ||
42b5efe4 | 211 | static int tps65912_get_sel_register(struct tps65912_reg *pmic, int id) |
9260ad98 MO |
212 | { |
213 | struct tps65912 *mfd = pmic->mfd; | |
42b5efe4 | 214 | int opvsel; |
9260ad98 MO |
215 | u8 reg = 0; |
216 | ||
42b5efe4 AL |
217 | if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) { |
218 | opvsel = tps65912_reg_read(mfd, id * 3 + TPS65912_DCDC1_OP); | |
219 | if (opvsel & OP_SELREG_MASK) | |
220 | reg = id * 3 + TPS65912_DCDC1_AVS; | |
9260ad98 | 221 | else |
42b5efe4 AL |
222 | reg = id * 3 + TPS65912_DCDC1_OP; |
223 | } else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) { | |
224 | reg = id - TPS65912_REG_LDO5 + TPS65912_LDO5; | |
225 | } else { | |
9260ad98 | 226 | return -EINVAL; |
9260ad98 MO |
227 | } |
228 | ||
229 | return reg; | |
230 | } | |
231 | ||
232 | static int tps65912_get_mode_regiters(struct tps65912_reg *pmic, int id) | |
233 | { | |
234 | switch (id) { | |
235 | case TPS65912_REG_DCDC1: | |
236 | pmic->pwm_mode_reg = TPS65912_DCDC1_CTRL; | |
237 | pmic->eco_reg = TPS65912_DCDC1_AVS; | |
238 | break; | |
239 | case TPS65912_REG_DCDC2: | |
240 | pmic->pwm_mode_reg = TPS65912_DCDC2_CTRL; | |
241 | pmic->eco_reg = TPS65912_DCDC2_AVS; | |
242 | break; | |
243 | case TPS65912_REG_DCDC3: | |
244 | pmic->pwm_mode_reg = TPS65912_DCDC3_CTRL; | |
245 | pmic->eco_reg = TPS65912_DCDC3_AVS; | |
246 | break; | |
247 | case TPS65912_REG_DCDC4: | |
248 | pmic->pwm_mode_reg = TPS65912_DCDC4_CTRL; | |
249 | pmic->eco_reg = TPS65912_DCDC4_AVS; | |
250 | break; | |
251 | default: | |
252 | return -EINVAL; | |
253 | } | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | static int tps65912_reg_is_enabled(struct regulator_dev *dev) | |
259 | { | |
260 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
261 | struct tps65912 *mfd = pmic->mfd; | |
262 | int reg, value, id = rdev_get_id(dev); | |
263 | ||
264 | if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10) | |
265 | return -EINVAL; | |
266 | ||
267 | reg = pmic->get_ctrl_reg(id); | |
268 | if (reg < 0) | |
269 | return reg; | |
270 | ||
271 | value = tps65912_reg_read(mfd, reg); | |
272 | if (value < 0) | |
273 | return value; | |
274 | ||
275 | return value & TPS65912_REG_ENABLED; | |
276 | } | |
277 | ||
278 | static int tps65912_reg_enable(struct regulator_dev *dev) | |
279 | { | |
280 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
281 | struct tps65912 *mfd = pmic->mfd; | |
282 | int id = rdev_get_id(dev); | |
6daa663d | 283 | int reg; |
9260ad98 MO |
284 | |
285 | if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10) | |
286 | return -EINVAL; | |
287 | ||
288 | reg = pmic->get_ctrl_reg(id); | |
289 | if (reg < 0) | |
290 | return reg; | |
291 | ||
292 | return tps65912_set_bits(mfd, reg, TPS65912_REG_ENABLED); | |
293 | } | |
294 | ||
295 | static int tps65912_reg_disable(struct regulator_dev *dev) | |
296 | { | |
297 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
298 | struct tps65912 *mfd = pmic->mfd; | |
299 | int id = rdev_get_id(dev), reg; | |
300 | ||
301 | reg = pmic->get_ctrl_reg(id); | |
302 | if (reg < 0) | |
303 | return reg; | |
304 | ||
305 | return tps65912_clear_bits(mfd, reg, TPS65912_REG_ENABLED); | |
306 | } | |
307 | ||
308 | static int tps65912_set_mode(struct regulator_dev *dev, unsigned int mode) | |
309 | { | |
310 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
311 | struct tps65912 *mfd = pmic->mfd; | |
312 | int pwm_mode, eco, id = rdev_get_id(dev); | |
313 | ||
314 | tps65912_get_mode_regiters(pmic, id); | |
315 | ||
316 | pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg); | |
317 | eco = tps65912_reg_read(mfd, pmic->eco_reg); | |
318 | ||
319 | pwm_mode &= DCDCCTRL_DCDC_MODE_MASK; | |
320 | eco &= DCDC_AVS_ECO_MASK; | |
321 | ||
322 | switch (mode) { | |
323 | case REGULATOR_MODE_FAST: | |
324 | /* Verify if mode alredy set */ | |
325 | if (pwm_mode && !eco) | |
326 | break; | |
327 | tps65912_set_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
328 | tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
329 | break; | |
330 | case REGULATOR_MODE_NORMAL: | |
331 | case REGULATOR_MODE_IDLE: | |
332 | if (!pwm_mode && !eco) | |
333 | break; | |
334 | tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
335 | tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
336 | break; | |
337 | case REGULATOR_MODE_STANDBY: | |
338 | if (!pwm_mode && eco) | |
339 | break; | |
340 | tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK); | |
341 | tps65912_set_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK); | |
342 | break; | |
343 | default: | |
344 | return -EINVAL; | |
345 | } | |
346 | ||
347 | return 0; | |
348 | } | |
349 | ||
350 | static unsigned int tps65912_get_mode(struct regulator_dev *dev) | |
351 | { | |
352 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
353 | struct tps65912 *mfd = pmic->mfd; | |
354 | int pwm_mode, eco, mode = 0, id = rdev_get_id(dev); | |
355 | ||
356 | tps65912_get_mode_regiters(pmic, id); | |
357 | ||
358 | pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg); | |
359 | eco = tps65912_reg_read(mfd, pmic->eco_reg); | |
360 | ||
361 | pwm_mode &= DCDCCTRL_DCDC_MODE_MASK; | |
362 | eco &= DCDC_AVS_ECO_MASK; | |
363 | ||
364 | if (pwm_mode && !eco) | |
365 | mode = REGULATOR_MODE_FAST; | |
366 | else if (!pwm_mode && !eco) | |
367 | mode = REGULATOR_MODE_NORMAL; | |
368 | else if (!pwm_mode && eco) | |
369 | mode = REGULATOR_MODE_STANDBY; | |
370 | ||
371 | return mode; | |
372 | } | |
373 | ||
f72d643e | 374 | static int tps65912_list_voltage(struct regulator_dev *dev, unsigned selector) |
9260ad98 MO |
375 | { |
376 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
844775ef | 377 | int range, voltage = 0, id = rdev_get_id(dev); |
9260ad98 | 378 | |
f72d643e AL |
379 | if (id >= TPS65912_REG_LDO1 && id <= TPS65912_REG_LDO10) |
380 | return tps65912_vsel_to_uv_ldo(selector); | |
381 | ||
85c5d86d | 382 | if (id > TPS65912_REG_DCDC4) |
9260ad98 | 383 | return -EINVAL; |
85c5d86d AL |
384 | |
385 | range = pmic->dcdc_range[id]; | |
9260ad98 | 386 | |
9260ad98 MO |
387 | switch (range) { |
388 | case 0: | |
389 | /* 0.5 - 1.2875V in 12.5mV steps */ | |
844775ef | 390 | voltage = tps65912_vsel_to_uv_range0(selector); |
9260ad98 MO |
391 | break; |
392 | case 1: | |
393 | /* 0.7 - 1.4875V in 12.5mV steps */ | |
844775ef | 394 | voltage = tps65912_vsel_to_uv_range1(selector); |
9260ad98 MO |
395 | break; |
396 | case 2: | |
397 | /* 0.5 - 2.075V in 25mV steps */ | |
844775ef | 398 | voltage = tps65912_vsel_to_uv_range2(selector); |
9260ad98 MO |
399 | break; |
400 | case 3: | |
401 | /* 0.5 - 3.8V in 50mV steps */ | |
844775ef | 402 | voltage = tps65912_vsel_to_uv_range3(selector); |
9260ad98 MO |
403 | break; |
404 | } | |
405 | return voltage; | |
406 | } | |
407 | ||
9db7f056 | 408 | static int tps65912_get_voltage_sel(struct regulator_dev *dev) |
844775ef AL |
409 | { |
410 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
411 | struct tps65912 *mfd = pmic->mfd; | |
412 | int id = rdev_get_id(dev); | |
c567556e | 413 | int reg, vsel; |
844775ef | 414 | |
c567556e AL |
415 | reg = tps65912_get_sel_register(pmic, id); |
416 | if (reg < 0) | |
417 | return reg; | |
844775ef | 418 | |
c567556e | 419 | vsel = tps65912_reg_read(mfd, reg); |
844775ef AL |
420 | vsel &= 0x3F; |
421 | ||
9db7f056 | 422 | return vsel; |
844775ef AL |
423 | } |
424 | ||
831c986f | 425 | static int tps65912_set_voltage_sel(struct regulator_dev *dev, |
94732b97 | 426 | unsigned selector) |
9260ad98 MO |
427 | { |
428 | struct tps65912_reg *pmic = rdev_get_drvdata(dev); | |
429 | struct tps65912 *mfd = pmic->mfd; | |
430 | int id = rdev_get_id(dev); | |
431 | int value; | |
432 | u8 reg; | |
433 | ||
42b5efe4 | 434 | reg = tps65912_get_sel_register(pmic, id); |
9260ad98 MO |
435 | value = tps65912_reg_read(mfd, reg); |
436 | value &= 0xC0; | |
437 | return tps65912_reg_write(mfd, reg, selector | value); | |
438 | } | |
439 | ||
9260ad98 MO |
440 | /* Operations permitted on DCDCx */ |
441 | static struct regulator_ops tps65912_ops_dcdc = { | |
442 | .is_enabled = tps65912_reg_is_enabled, | |
443 | .enable = tps65912_reg_enable, | |
444 | .disable = tps65912_reg_disable, | |
445 | .set_mode = tps65912_set_mode, | |
446 | .get_mode = tps65912_get_mode, | |
9db7f056 | 447 | .get_voltage_sel = tps65912_get_voltage_sel, |
831c986f | 448 | .set_voltage_sel = tps65912_set_voltage_sel, |
f72d643e | 449 | .list_voltage = tps65912_list_voltage, |
9260ad98 MO |
450 | }; |
451 | ||
452 | /* Operations permitted on LDOx */ | |
453 | static struct regulator_ops tps65912_ops_ldo = { | |
454 | .is_enabled = tps65912_reg_is_enabled, | |
455 | .enable = tps65912_reg_enable, | |
456 | .disable = tps65912_reg_disable, | |
9db7f056 | 457 | .get_voltage_sel = tps65912_get_voltage_sel, |
831c986f | 458 | .set_voltage_sel = tps65912_set_voltage_sel, |
f72d643e | 459 | .list_voltage = tps65912_list_voltage, |
9260ad98 MO |
460 | }; |
461 | ||
a5023574 | 462 | static int tps65912_probe(struct platform_device *pdev) |
9260ad98 MO |
463 | { |
464 | struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent); | |
c172708d | 465 | struct regulator_config config = { }; |
9260ad98 MO |
466 | struct tps_info *info; |
467 | struct regulator_init_data *reg_data; | |
468 | struct regulator_dev *rdev; | |
469 | struct tps65912_reg *pmic; | |
470 | struct tps65912_board *pmic_plat_data; | |
471 | int i, err; | |
472 | ||
473 | pmic_plat_data = dev_get_platdata(tps65912->dev); | |
474 | if (!pmic_plat_data) | |
475 | return -EINVAL; | |
476 | ||
477 | reg_data = pmic_plat_data->tps65912_pmic_init_data; | |
478 | ||
9eb0c421 | 479 | pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); |
9260ad98 MO |
480 | if (!pmic) |
481 | return -ENOMEM; | |
482 | ||
483 | mutex_init(&pmic->io_lock); | |
484 | pmic->mfd = tps65912; | |
485 | platform_set_drvdata(pdev, pmic); | |
486 | ||
487 | pmic->get_ctrl_reg = &tps65912_get_ctrl_register; | |
488 | info = tps65912_regs; | |
489 | ||
490 | for (i = 0; i < TPS65912_NUM_REGULATOR; i++, info++, reg_data++) { | |
491 | int range = 0; | |
492 | /* Register the regulators */ | |
493 | pmic->info[i] = info; | |
494 | ||
495 | pmic->desc[i].name = info->name; | |
496 | pmic->desc[i].id = i; | |
497 | pmic->desc[i].n_voltages = 64; | |
498 | pmic->desc[i].ops = (i > TPS65912_REG_DCDC4 ? | |
499 | &tps65912_ops_ldo : &tps65912_ops_dcdc); | |
500 | pmic->desc[i].type = REGULATOR_VOLTAGE; | |
501 | pmic->desc[i].owner = THIS_MODULE; | |
502 | range = tps65912_get_range(pmic, i); | |
c172708d MB |
503 | |
504 | config.dev = tps65912->dev; | |
505 | config.init_data = reg_data; | |
506 | config.driver_data = pmic; | |
507 | ||
508 | rdev = regulator_register(&pmic->desc[i], &config); | |
9260ad98 MO |
509 | if (IS_ERR(rdev)) { |
510 | dev_err(tps65912->dev, | |
511 | "failed to register %s regulator\n", | |
512 | pdev->name); | |
513 | err = PTR_ERR(rdev); | |
514 | goto err; | |
515 | } | |
516 | ||
517 | /* Save regulator for cleanup */ | |
518 | pmic->rdev[i] = rdev; | |
519 | } | |
520 | return 0; | |
521 | ||
522 | err: | |
523 | while (--i >= 0) | |
524 | regulator_unregister(pmic->rdev[i]); | |
9260ad98 MO |
525 | return err; |
526 | } | |
527 | ||
8dc995f5 | 528 | static int tps65912_remove(struct platform_device *pdev) |
9260ad98 MO |
529 | { |
530 | struct tps65912_reg *tps65912_reg = platform_get_drvdata(pdev); | |
531 | int i; | |
532 | ||
533 | for (i = 0; i < TPS65912_NUM_REGULATOR; i++) | |
534 | regulator_unregister(tps65912_reg->rdev[i]); | |
9260ad98 MO |
535 | return 0; |
536 | } | |
537 | ||
538 | static struct platform_driver tps65912_driver = { | |
539 | .driver = { | |
540 | .name = "tps65912-pmic", | |
541 | .owner = THIS_MODULE, | |
542 | }, | |
543 | .probe = tps65912_probe, | |
5eb9f2b9 | 544 | .remove = tps65912_remove, |
9260ad98 MO |
545 | }; |
546 | ||
9260ad98 MO |
547 | static int __init tps65912_init(void) |
548 | { | |
549 | return platform_driver_register(&tps65912_driver); | |
550 | } | |
551 | subsys_initcall(tps65912_init); | |
552 | ||
9260ad98 MO |
553 | static void __exit tps65912_cleanup(void) |
554 | { | |
555 | platform_driver_unregister(&tps65912_driver); | |
556 | } | |
557 | module_exit(tps65912_cleanup); | |
558 | ||
559 | MODULE_AUTHOR("Margarita Olaya Cabrera <magi@slimlogic.co.uk>"); | |
560 | MODULE_DESCRIPTION("TPS65912 voltage regulator driver"); | |
561 | MODULE_LICENSE("GPL v2"); | |
562 | MODULE_ALIAS("platform:tps65912-pmic"); |