Commit | Line | Data |
---|---|---|
3fa5b8e0 AA |
1 | /* |
2 | * tps6507x-regulator.c | |
3 | * | |
4 | * Regulator driver for TPS65073 PMIC | |
5 | * | |
6 | * Copyright (C) 2009 Texas Instrument Incorporated - http://www.ti.com/ | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation version 2. | |
11 | * | |
12 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, | |
13 | * whether express or implied; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/module.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/err.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/regulator/driver.h> | |
24 | #include <linux/regulator/machine.h> | |
7d14831e | 25 | #include <linux/regulator/tps6507x.h> |
5a0e3ad6 | 26 | #include <linux/slab.h> |
d183fcc9 | 27 | #include <linux/mfd/tps6507x.h> |
3fa5b8e0 AA |
28 | |
29 | /* DCDC's */ | |
30 | #define TPS6507X_DCDC_1 0 | |
31 | #define TPS6507X_DCDC_2 1 | |
32 | #define TPS6507X_DCDC_3 2 | |
33 | /* LDOs */ | |
34 | #define TPS6507X_LDO_1 3 | |
35 | #define TPS6507X_LDO_2 4 | |
36 | ||
37 | #define TPS6507X_MAX_REG_ID TPS6507X_LDO_2 | |
38 | ||
39 | /* Number of step-down converters available */ | |
40 | #define TPS6507X_NUM_DCDC 3 | |
41 | /* Number of LDO voltage regulators available */ | |
42 | #define TPS6507X_NUM_LDO 2 | |
43 | /* Number of total regulators available */ | |
44 | #define TPS6507X_NUM_REGULATOR (TPS6507X_NUM_DCDC + TPS6507X_NUM_LDO) | |
45 | ||
055917ac AL |
46 | /* Supported voltage values for regulators (in microVolts) */ |
47 | static const unsigned int VDCDCx_VSEL_table[] = { | |
48 | 725000, 750000, 775000, 800000, | |
49 | 825000, 850000, 875000, 900000, | |
50 | 925000, 950000, 975000, 1000000, | |
51 | 1025000, 1050000, 1075000, 1100000, | |
52 | 1125000, 1150000, 1175000, 1200000, | |
53 | 1225000, 1250000, 1275000, 1300000, | |
54 | 1325000, 1350000, 1375000, 1400000, | |
55 | 1425000, 1450000, 1475000, 1500000, | |
56 | 1550000, 1600000, 1650000, 1700000, | |
57 | 1750000, 1800000, 1850000, 1900000, | |
58 | 1950000, 2000000, 2050000, 2100000, | |
59 | 2150000, 2200000, 2250000, 2300000, | |
60 | 2350000, 2400000, 2450000, 2500000, | |
61 | 2550000, 2600000, 2650000, 2700000, | |
62 | 2750000, 2800000, 2850000, 2900000, | |
63 | 3000000, 3100000, 3200000, 3300000, | |
3fa5b8e0 AA |
64 | }; |
65 | ||
055917ac AL |
66 | static const unsigned int LDO1_VSEL_table[] = { |
67 | 1000000, 1100000, 1200000, 1250000, | |
68 | 1300000, 1350000, 1400000, 1500000, | |
69 | 1600000, 1800000, 2500000, 2750000, | |
70 | 2800000, 3000000, 3100000, 3300000, | |
3fa5b8e0 AA |
71 | }; |
72 | ||
93b07e7b AL |
73 | /* The voltage mapping table for LDO2 is the same as VDCDCx */ |
74 | #define LDO2_VSEL_table VDCDCx_VSEL_table | |
3fa5b8e0 | 75 | |
3fa5b8e0 AA |
76 | struct tps_info { |
77 | const char *name; | |
3fa5b8e0 | 78 | u8 table_len; |
055917ac | 79 | const unsigned int *table; |
7d14831e AA |
80 | |
81 | /* Does DCDC high or the low register defines output voltage? */ | |
82 | bool defdcdc_default; | |
3fa5b8e0 AA |
83 | }; |
84 | ||
7d14831e | 85 | static struct tps_info tps6507x_pmic_regs[] = { |
31dd6a26 TF |
86 | { |
87 | .name = "VDCDC1", | |
31dd6a26 TF |
88 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
89 | .table = VDCDCx_VSEL_table, | |
90 | }, | |
91 | { | |
92 | .name = "VDCDC2", | |
31dd6a26 TF |
93 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
94 | .table = VDCDCx_VSEL_table, | |
95 | }, | |
96 | { | |
97 | .name = "VDCDC3", | |
31dd6a26 TF |
98 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
99 | .table = VDCDCx_VSEL_table, | |
100 | }, | |
101 | { | |
102 | .name = "LDO1", | |
31dd6a26 TF |
103 | .table_len = ARRAY_SIZE(LDO1_VSEL_table), |
104 | .table = LDO1_VSEL_table, | |
105 | }, | |
106 | { | |
107 | .name = "LDO2", | |
31dd6a26 TF |
108 | .table_len = ARRAY_SIZE(LDO2_VSEL_table), |
109 | .table = LDO2_VSEL_table, | |
110 | }, | |
111 | }; | |
112 | ||
4ce5ba5b | 113 | struct tps6507x_pmic { |
3fa5b8e0 | 114 | struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; |
31dd6a26 | 115 | struct tps6507x_dev *mfd; |
3fa5b8e0 | 116 | struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR]; |
7d14831e | 117 | struct tps_info *info[TPS6507X_NUM_REGULATOR]; |
3fa5b8e0 AA |
118 | struct mutex io_lock; |
119 | }; | |
4ce5ba5b | 120 | static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 | 121 | { |
31dd6a26 TF |
122 | u8 val; |
123 | int err; | |
124 | ||
125 | err = tps->mfd->read_dev(tps->mfd, reg, 1, &val); | |
126 | ||
127 | if (err) | |
128 | return err; | |
129 | ||
130 | return val; | |
3fa5b8e0 AA |
131 | } |
132 | ||
4ce5ba5b | 133 | static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 | 134 | { |
31dd6a26 | 135 | return tps->mfd->write_dev(tps->mfd, reg, 1, &val); |
3fa5b8e0 AA |
136 | } |
137 | ||
4ce5ba5b | 138 | static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
139 | { |
140 | int err, data; | |
141 | ||
142 | mutex_lock(&tps->io_lock); | |
143 | ||
4ce5ba5b | 144 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 145 | if (data < 0) { |
31dd6a26 | 146 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
147 | err = data; |
148 | goto out; | |
149 | } | |
150 | ||
151 | data |= mask; | |
4ce5ba5b | 152 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 153 | if (err) |
31dd6a26 | 154 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
155 | |
156 | out: | |
157 | mutex_unlock(&tps->io_lock); | |
158 | return err; | |
159 | } | |
160 | ||
4ce5ba5b | 161 | static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
162 | { |
163 | int err, data; | |
164 | ||
165 | mutex_lock(&tps->io_lock); | |
166 | ||
4ce5ba5b | 167 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 168 | if (data < 0) { |
31dd6a26 | 169 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
170 | err = data; |
171 | goto out; | |
172 | } | |
173 | ||
174 | data &= ~mask; | |
4ce5ba5b | 175 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 176 | if (err) |
31dd6a26 | 177 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
178 | |
179 | out: | |
180 | mutex_unlock(&tps->io_lock); | |
181 | return err; | |
182 | } | |
183 | ||
4ce5ba5b | 184 | static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 AA |
185 | { |
186 | int data; | |
187 | ||
188 | mutex_lock(&tps->io_lock); | |
189 | ||
4ce5ba5b | 190 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 191 | if (data < 0) |
31dd6a26 | 192 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
193 | |
194 | mutex_unlock(&tps->io_lock); | |
195 | return data; | |
196 | } | |
197 | ||
4ce5ba5b | 198 | static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 AA |
199 | { |
200 | int err; | |
201 | ||
202 | mutex_lock(&tps->io_lock); | |
203 | ||
4ce5ba5b | 204 | err = tps6507x_pmic_write(tps, reg, val); |
3fa5b8e0 | 205 | if (err < 0) |
31dd6a26 | 206 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
207 | |
208 | mutex_unlock(&tps->io_lock); | |
209 | return err; | |
210 | } | |
211 | ||
f2933d33 | 212 | static int tps6507x_pmic_is_enabled(struct regulator_dev *dev) |
3fa5b8e0 | 213 | { |
4ce5ba5b | 214 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 215 | int data, rid = rdev_get_id(dev); |
3fa5b8e0 AA |
216 | u8 shift; |
217 | ||
f2933d33 | 218 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
219 | return -EINVAL; |
220 | ||
f2933d33 | 221 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 222 | data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1); |
3fa5b8e0 AA |
223 | |
224 | if (data < 0) | |
225 | return data; | |
226 | else | |
227 | return (data & 1<<shift) ? 1 : 0; | |
228 | } | |
229 | ||
f2933d33 | 230 | static int tps6507x_pmic_enable(struct regulator_dev *dev) |
3fa5b8e0 | 231 | { |
4ce5ba5b | 232 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 233 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
234 | u8 shift; |
235 | ||
f2933d33 | 236 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
237 | return -EINVAL; |
238 | ||
f2933d33 | 239 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 240 | return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); |
3fa5b8e0 AA |
241 | } |
242 | ||
f2933d33 | 243 | static int tps6507x_pmic_disable(struct regulator_dev *dev) |
3fa5b8e0 | 244 | { |
4ce5ba5b | 245 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 246 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
247 | u8 shift; |
248 | ||
f2933d33 | 249 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
250 | return -EINVAL; |
251 | ||
f2933d33 | 252 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b TF |
253 | return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1, |
254 | 1 << shift); | |
3fa5b8e0 AA |
255 | } |
256 | ||
7c842a1d | 257 | static int tps6507x_pmic_get_voltage_sel(struct regulator_dev *dev) |
3fa5b8e0 | 258 | { |
4ce5ba5b | 259 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 AL |
260 | int data, rid = rdev_get_id(dev); |
261 | u8 reg, mask; | |
3fa5b8e0 | 262 | |
f2933d33 | 263 | switch (rid) { |
3fa5b8e0 AA |
264 | case TPS6507X_DCDC_1: |
265 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 266 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
267 | break; |
268 | case TPS6507X_DCDC_2: | |
f2933d33 | 269 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
270 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
271 | else | |
272 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 273 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
274 | break; |
275 | case TPS6507X_DCDC_3: | |
f2933d33 | 276 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
277 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
278 | else | |
279 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
280 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
281 | break; | |
282 | case TPS6507X_LDO_1: | |
283 | reg = TPS6507X_REG_LDO_CTRL1; | |
284 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
285 | break; | |
286 | case TPS6507X_LDO_2: | |
287 | reg = TPS6507X_REG_DEFLDO2; | |
288 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
289 | break; |
290 | default: | |
291 | return -EINVAL; | |
292 | } | |
293 | ||
4ce5ba5b | 294 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
295 | if (data < 0) |
296 | return data; | |
297 | ||
f2933d33 | 298 | data &= mask; |
7c842a1d | 299 | return data; |
3fa5b8e0 AA |
300 | } |
301 | ||
ca61a7bf AL |
302 | static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev, |
303 | unsigned selector) | |
3fa5b8e0 | 304 | { |
4ce5ba5b | 305 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
ca61a7bf | 306 | int data, rid = rdev_get_id(dev); |
f2933d33 | 307 | u8 reg, mask; |
3fa5b8e0 | 308 | |
f2933d33 | 309 | switch (rid) { |
3fa5b8e0 AA |
310 | case TPS6507X_DCDC_1: |
311 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 312 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
313 | break; |
314 | case TPS6507X_DCDC_2: | |
f2933d33 | 315 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
316 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
317 | else | |
318 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 319 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
320 | break; |
321 | case TPS6507X_DCDC_3: | |
f2933d33 | 322 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
323 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
324 | else | |
325 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
326 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
327 | break; | |
328 | case TPS6507X_LDO_1: | |
329 | reg = TPS6507X_REG_LDO_CTRL1; | |
330 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
331 | break; | |
332 | case TPS6507X_LDO_2: | |
333 | reg = TPS6507X_REG_DEFLDO2; | |
334 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
335 | break; |
336 | default: | |
337 | return -EINVAL; | |
338 | } | |
339 | ||
4ce5ba5b | 340 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
341 | if (data < 0) |
342 | return data; | |
343 | ||
344 | data &= ~mask; | |
ca61a7bf | 345 | data |= selector; |
3fa5b8e0 | 346 | |
4ce5ba5b | 347 | return tps6507x_pmic_reg_write(tps, reg, data); |
3fa5b8e0 AA |
348 | } |
349 | ||
f2933d33 AL |
350 | static struct regulator_ops tps6507x_pmic_ops = { |
351 | .is_enabled = tps6507x_pmic_is_enabled, | |
352 | .enable = tps6507x_pmic_enable, | |
353 | .disable = tps6507x_pmic_disable, | |
7c842a1d | 354 | .get_voltage_sel = tps6507x_pmic_get_voltage_sel, |
ca61a7bf | 355 | .set_voltage_sel = tps6507x_pmic_set_voltage_sel, |
055917ac | 356 | .list_voltage = regulator_list_voltage_table, |
3fa5b8e0 AA |
357 | }; |
358 | ||
a5023574 | 359 | static int tps6507x_pmic_probe(struct platform_device *pdev) |
3fa5b8e0 | 360 | { |
31dd6a26 | 361 | struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); |
7d14831e | 362 | struct tps_info *info = &tps6507x_pmic_regs[0]; |
c172708d | 363 | struct regulator_config config = { }; |
3fa5b8e0 AA |
364 | struct regulator_init_data *init_data; |
365 | struct regulator_dev *rdev; | |
4ce5ba5b | 366 | struct tps6507x_pmic *tps; |
0bc20bba | 367 | struct tps6507x_board *tps_board; |
3fa5b8e0 | 368 | int i; |
56c23492 | 369 | int error; |
3fa5b8e0 | 370 | |
0bc20bba TF |
371 | /** |
372 | * tps_board points to pmic related constants | |
373 | * coming from the board-evm file. | |
374 | */ | |
375 | ||
31dd6a26 | 376 | tps_board = dev_get_platdata(tps6507x_dev->dev); |
0bc20bba TF |
377 | if (!tps_board) |
378 | return -EINVAL; | |
379 | ||
3fa5b8e0 AA |
380 | /** |
381 | * init_data points to array of regulator_init structures | |
382 | * coming from the board-evm file. | |
383 | */ | |
0bc20bba | 384 | init_data = tps_board->tps6507x_pmic_init_data; |
3fa5b8e0 | 385 | if (!init_data) |
0bc20bba | 386 | return -EINVAL; |
3fa5b8e0 | 387 | |
9eb0c421 | 388 | tps = devm_kzalloc(&pdev->dev, sizeof(*tps), GFP_KERNEL); |
3fa5b8e0 AA |
389 | if (!tps) |
390 | return -ENOMEM; | |
391 | ||
392 | mutex_init(&tps->io_lock); | |
393 | ||
394 | /* common for all regulators */ | |
31dd6a26 | 395 | tps->mfd = tps6507x_dev; |
3fa5b8e0 AA |
396 | |
397 | for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) { | |
398 | /* Register the regulators */ | |
399 | tps->info[i] = info; | |
7d14831e AA |
400 | if (init_data->driver_data) { |
401 | struct tps6507x_reg_platform_data *data = | |
402 | init_data->driver_data; | |
403 | tps->info[i]->defdcdc_default = data->defdcdc_default; | |
404 | } | |
405 | ||
3fa5b8e0 | 406 | tps->desc[i].name = info->name; |
77fa44d0 | 407 | tps->desc[i].id = i; |
0fcdb109 | 408 | tps->desc[i].n_voltages = info->table_len; |
055917ac | 409 | tps->desc[i].volt_table = info->table; |
f2933d33 | 410 | tps->desc[i].ops = &tps6507x_pmic_ops; |
3fa5b8e0 AA |
411 | tps->desc[i].type = REGULATOR_VOLTAGE; |
412 | tps->desc[i].owner = THIS_MODULE; | |
413 | ||
c172708d MB |
414 | config.dev = tps6507x_dev->dev; |
415 | config.init_data = init_data; | |
416 | config.driver_data = tps; | |
417 | ||
418 | rdev = regulator_register(&tps->desc[i], &config); | |
3fa5b8e0 | 419 | if (IS_ERR(rdev)) { |
31dd6a26 TF |
420 | dev_err(tps6507x_dev->dev, |
421 | "failed to register %s regulator\n", | |
422 | pdev->name); | |
56c23492 DT |
423 | error = PTR_ERR(rdev); |
424 | goto fail; | |
3fa5b8e0 AA |
425 | } |
426 | ||
427 | /* Save regulator for cleanup */ | |
428 | tps->rdev[i] = rdev; | |
429 | } | |
430 | ||
31dd6a26 | 431 | tps6507x_dev->pmic = tps; |
d7399fa8 | 432 | platform_set_drvdata(pdev, tps6507x_dev); |
3fa5b8e0 AA |
433 | |
434 | return 0; | |
56c23492 DT |
435 | |
436 | fail: | |
437 | while (--i >= 0) | |
438 | regulator_unregister(tps->rdev[i]); | |
56c23492 | 439 | return error; |
3fa5b8e0 AA |
440 | } |
441 | ||
31dd6a26 | 442 | static int __devexit tps6507x_pmic_remove(struct platform_device *pdev) |
3fa5b8e0 | 443 | { |
31dd6a26 TF |
444 | struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev); |
445 | struct tps6507x_pmic *tps = tps6507x_dev->pmic; | |
3fa5b8e0 AA |
446 | int i; |
447 | ||
448 | for (i = 0; i < TPS6507X_NUM_REGULATOR; i++) | |
449 | regulator_unregister(tps->rdev[i]); | |
3fa5b8e0 AA |
450 | return 0; |
451 | } | |
452 | ||
31dd6a26 | 453 | static struct platform_driver tps6507x_pmic_driver = { |
3fa5b8e0 | 454 | .driver = { |
31dd6a26 | 455 | .name = "tps6507x-pmic", |
3fa5b8e0 AA |
456 | .owner = THIS_MODULE, |
457 | }, | |
4ce5ba5b | 458 | .probe = tps6507x_pmic_probe, |
5eb9f2b9 | 459 | .remove = tps6507x_pmic_remove, |
3fa5b8e0 AA |
460 | }; |
461 | ||
4ce5ba5b | 462 | static int __init tps6507x_pmic_init(void) |
3fa5b8e0 | 463 | { |
31dd6a26 | 464 | return platform_driver_register(&tps6507x_pmic_driver); |
3fa5b8e0 | 465 | } |
4ce5ba5b | 466 | subsys_initcall(tps6507x_pmic_init); |
3fa5b8e0 | 467 | |
4ce5ba5b | 468 | static void __exit tps6507x_pmic_cleanup(void) |
3fa5b8e0 | 469 | { |
31dd6a26 | 470 | platform_driver_unregister(&tps6507x_pmic_driver); |
3fa5b8e0 | 471 | } |
4ce5ba5b | 472 | module_exit(tps6507x_pmic_cleanup); |
3fa5b8e0 AA |
473 | |
474 | MODULE_AUTHOR("Texas Instruments"); | |
475 | MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); | |
9e108d33 | 476 | MODULE_LICENSE("GPL v2"); |
31dd6a26 | 477 | MODULE_ALIAS("platform:tps6507x-pmic"); |