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> |
6116ad94 | 26 | #include <linux/of.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
d183fcc9 | 28 | #include <linux/mfd/tps6507x.h> |
6116ad94 | 29 | #include <linux/regulator/of_regulator.h> |
3fa5b8e0 AA |
30 | |
31 | /* DCDC's */ | |
32 | #define TPS6507X_DCDC_1 0 | |
33 | #define TPS6507X_DCDC_2 1 | |
34 | #define TPS6507X_DCDC_3 2 | |
35 | /* LDOs */ | |
36 | #define TPS6507X_LDO_1 3 | |
37 | #define TPS6507X_LDO_2 4 | |
38 | ||
39 | #define TPS6507X_MAX_REG_ID TPS6507X_LDO_2 | |
40 | ||
41 | /* Number of step-down converters available */ | |
42 | #define TPS6507X_NUM_DCDC 3 | |
43 | /* Number of LDO voltage regulators available */ | |
44 | #define TPS6507X_NUM_LDO 2 | |
45 | /* Number of total regulators available */ | |
46 | #define TPS6507X_NUM_REGULATOR (TPS6507X_NUM_DCDC + TPS6507X_NUM_LDO) | |
47 | ||
055917ac AL |
48 | /* Supported voltage values for regulators (in microVolts) */ |
49 | static const unsigned int VDCDCx_VSEL_table[] = { | |
50 | 725000, 750000, 775000, 800000, | |
51 | 825000, 850000, 875000, 900000, | |
52 | 925000, 950000, 975000, 1000000, | |
53 | 1025000, 1050000, 1075000, 1100000, | |
54 | 1125000, 1150000, 1175000, 1200000, | |
55 | 1225000, 1250000, 1275000, 1300000, | |
56 | 1325000, 1350000, 1375000, 1400000, | |
57 | 1425000, 1450000, 1475000, 1500000, | |
58 | 1550000, 1600000, 1650000, 1700000, | |
59 | 1750000, 1800000, 1850000, 1900000, | |
60 | 1950000, 2000000, 2050000, 2100000, | |
61 | 2150000, 2200000, 2250000, 2300000, | |
62 | 2350000, 2400000, 2450000, 2500000, | |
63 | 2550000, 2600000, 2650000, 2700000, | |
64 | 2750000, 2800000, 2850000, 2900000, | |
65 | 3000000, 3100000, 3200000, 3300000, | |
3fa5b8e0 AA |
66 | }; |
67 | ||
055917ac AL |
68 | static const unsigned int LDO1_VSEL_table[] = { |
69 | 1000000, 1100000, 1200000, 1250000, | |
70 | 1300000, 1350000, 1400000, 1500000, | |
71 | 1600000, 1800000, 2500000, 2750000, | |
72 | 2800000, 3000000, 3100000, 3300000, | |
3fa5b8e0 AA |
73 | }; |
74 | ||
93b07e7b AL |
75 | /* The voltage mapping table for LDO2 is the same as VDCDCx */ |
76 | #define LDO2_VSEL_table VDCDCx_VSEL_table | |
3fa5b8e0 | 77 | |
3fa5b8e0 AA |
78 | struct tps_info { |
79 | const char *name; | |
3fa5b8e0 | 80 | u8 table_len; |
055917ac | 81 | const unsigned int *table; |
7d14831e AA |
82 | |
83 | /* Does DCDC high or the low register defines output voltage? */ | |
84 | bool defdcdc_default; | |
3fa5b8e0 AA |
85 | }; |
86 | ||
7d14831e | 87 | static struct tps_info tps6507x_pmic_regs[] = { |
31dd6a26 TF |
88 | { |
89 | .name = "VDCDC1", | |
31dd6a26 TF |
90 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
91 | .table = VDCDCx_VSEL_table, | |
92 | }, | |
93 | { | |
94 | .name = "VDCDC2", | |
31dd6a26 TF |
95 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
96 | .table = VDCDCx_VSEL_table, | |
97 | }, | |
98 | { | |
99 | .name = "VDCDC3", | |
31dd6a26 TF |
100 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
101 | .table = VDCDCx_VSEL_table, | |
102 | }, | |
103 | { | |
104 | .name = "LDO1", | |
31dd6a26 TF |
105 | .table_len = ARRAY_SIZE(LDO1_VSEL_table), |
106 | .table = LDO1_VSEL_table, | |
107 | }, | |
108 | { | |
109 | .name = "LDO2", | |
31dd6a26 TF |
110 | .table_len = ARRAY_SIZE(LDO2_VSEL_table), |
111 | .table = LDO2_VSEL_table, | |
112 | }, | |
113 | }; | |
114 | ||
4ce5ba5b | 115 | struct tps6507x_pmic { |
3fa5b8e0 | 116 | struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; |
31dd6a26 | 117 | struct tps6507x_dev *mfd; |
7d14831e | 118 | struct tps_info *info[TPS6507X_NUM_REGULATOR]; |
3fa5b8e0 AA |
119 | struct mutex io_lock; |
120 | }; | |
4ce5ba5b | 121 | static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 | 122 | { |
31dd6a26 TF |
123 | u8 val; |
124 | int err; | |
125 | ||
126 | err = tps->mfd->read_dev(tps->mfd, reg, 1, &val); | |
127 | ||
128 | if (err) | |
129 | return err; | |
130 | ||
131 | return val; | |
3fa5b8e0 AA |
132 | } |
133 | ||
4ce5ba5b | 134 | static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 | 135 | { |
31dd6a26 | 136 | return tps->mfd->write_dev(tps->mfd, reg, 1, &val); |
3fa5b8e0 AA |
137 | } |
138 | ||
4ce5ba5b | 139 | static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
140 | { |
141 | int err, data; | |
142 | ||
143 | mutex_lock(&tps->io_lock); | |
144 | ||
4ce5ba5b | 145 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 146 | if (data < 0) { |
31dd6a26 | 147 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
148 | err = data; |
149 | goto out; | |
150 | } | |
151 | ||
152 | data |= mask; | |
4ce5ba5b | 153 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 154 | if (err) |
31dd6a26 | 155 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
156 | |
157 | out: | |
158 | mutex_unlock(&tps->io_lock); | |
159 | return err; | |
160 | } | |
161 | ||
4ce5ba5b | 162 | static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
163 | { |
164 | int err, data; | |
165 | ||
166 | mutex_lock(&tps->io_lock); | |
167 | ||
4ce5ba5b | 168 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 169 | if (data < 0) { |
31dd6a26 | 170 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
171 | err = data; |
172 | goto out; | |
173 | } | |
174 | ||
175 | data &= ~mask; | |
4ce5ba5b | 176 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 177 | if (err) |
31dd6a26 | 178 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
179 | |
180 | out: | |
181 | mutex_unlock(&tps->io_lock); | |
182 | return err; | |
183 | } | |
184 | ||
4ce5ba5b | 185 | static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 AA |
186 | { |
187 | int data; | |
188 | ||
189 | mutex_lock(&tps->io_lock); | |
190 | ||
4ce5ba5b | 191 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 192 | if (data < 0) |
31dd6a26 | 193 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
194 | |
195 | mutex_unlock(&tps->io_lock); | |
196 | return data; | |
197 | } | |
198 | ||
4ce5ba5b | 199 | static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 AA |
200 | { |
201 | int err; | |
202 | ||
203 | mutex_lock(&tps->io_lock); | |
204 | ||
4ce5ba5b | 205 | err = tps6507x_pmic_write(tps, reg, val); |
3fa5b8e0 | 206 | if (err < 0) |
31dd6a26 | 207 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
208 | |
209 | mutex_unlock(&tps->io_lock); | |
210 | return err; | |
211 | } | |
212 | ||
f2933d33 | 213 | static int tps6507x_pmic_is_enabled(struct regulator_dev *dev) |
3fa5b8e0 | 214 | { |
4ce5ba5b | 215 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 216 | int data, rid = rdev_get_id(dev); |
3fa5b8e0 AA |
217 | u8 shift; |
218 | ||
f2933d33 | 219 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
220 | return -EINVAL; |
221 | ||
f2933d33 | 222 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 223 | data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1); |
3fa5b8e0 AA |
224 | |
225 | if (data < 0) | |
226 | return data; | |
227 | else | |
228 | return (data & 1<<shift) ? 1 : 0; | |
229 | } | |
230 | ||
f2933d33 | 231 | static int tps6507x_pmic_enable(struct regulator_dev *dev) |
3fa5b8e0 | 232 | { |
4ce5ba5b | 233 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 234 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
235 | u8 shift; |
236 | ||
f2933d33 | 237 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
238 | return -EINVAL; |
239 | ||
f2933d33 | 240 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 241 | return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); |
3fa5b8e0 AA |
242 | } |
243 | ||
f2933d33 | 244 | static int tps6507x_pmic_disable(struct regulator_dev *dev) |
3fa5b8e0 | 245 | { |
4ce5ba5b | 246 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 247 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
248 | u8 shift; |
249 | ||
f2933d33 | 250 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
251 | return -EINVAL; |
252 | ||
f2933d33 | 253 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b TF |
254 | return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1, |
255 | 1 << shift); | |
3fa5b8e0 AA |
256 | } |
257 | ||
7c842a1d | 258 | static int tps6507x_pmic_get_voltage_sel(struct regulator_dev *dev) |
3fa5b8e0 | 259 | { |
4ce5ba5b | 260 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 AL |
261 | int data, rid = rdev_get_id(dev); |
262 | u8 reg, mask; | |
3fa5b8e0 | 263 | |
f2933d33 | 264 | switch (rid) { |
3fa5b8e0 AA |
265 | case TPS6507X_DCDC_1: |
266 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 267 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
268 | break; |
269 | case TPS6507X_DCDC_2: | |
f2933d33 | 270 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
271 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
272 | else | |
273 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 274 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
275 | break; |
276 | case TPS6507X_DCDC_3: | |
f2933d33 | 277 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
278 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
279 | else | |
280 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
281 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
282 | break; | |
283 | case TPS6507X_LDO_1: | |
284 | reg = TPS6507X_REG_LDO_CTRL1; | |
285 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
286 | break; | |
287 | case TPS6507X_LDO_2: | |
288 | reg = TPS6507X_REG_DEFLDO2; | |
289 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
290 | break; |
291 | default: | |
292 | return -EINVAL; | |
293 | } | |
294 | ||
4ce5ba5b | 295 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
296 | if (data < 0) |
297 | return data; | |
298 | ||
f2933d33 | 299 | data &= mask; |
7c842a1d | 300 | return data; |
3fa5b8e0 AA |
301 | } |
302 | ||
ca61a7bf AL |
303 | static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev, |
304 | unsigned selector) | |
3fa5b8e0 | 305 | { |
4ce5ba5b | 306 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
ca61a7bf | 307 | int data, rid = rdev_get_id(dev); |
f2933d33 | 308 | u8 reg, mask; |
3fa5b8e0 | 309 | |
f2933d33 | 310 | switch (rid) { |
3fa5b8e0 AA |
311 | case TPS6507X_DCDC_1: |
312 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 313 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
314 | break; |
315 | case TPS6507X_DCDC_2: | |
f2933d33 | 316 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
317 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
318 | else | |
319 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 320 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
321 | break; |
322 | case TPS6507X_DCDC_3: | |
f2933d33 | 323 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
324 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
325 | else | |
326 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
327 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
328 | break; | |
329 | case TPS6507X_LDO_1: | |
330 | reg = TPS6507X_REG_LDO_CTRL1; | |
331 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
332 | break; | |
333 | case TPS6507X_LDO_2: | |
334 | reg = TPS6507X_REG_DEFLDO2; | |
335 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
336 | break; |
337 | default: | |
338 | return -EINVAL; | |
339 | } | |
340 | ||
4ce5ba5b | 341 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
342 | if (data < 0) |
343 | return data; | |
344 | ||
345 | data &= ~mask; | |
ca61a7bf | 346 | data |= selector; |
3fa5b8e0 | 347 | |
4ce5ba5b | 348 | return tps6507x_pmic_reg_write(tps, reg, data); |
3fa5b8e0 AA |
349 | } |
350 | ||
646e268e | 351 | static const struct regulator_ops tps6507x_pmic_ops = { |
f2933d33 AL |
352 | .is_enabled = tps6507x_pmic_is_enabled, |
353 | .enable = tps6507x_pmic_enable, | |
354 | .disable = tps6507x_pmic_disable, | |
7c842a1d | 355 | .get_voltage_sel = tps6507x_pmic_get_voltage_sel, |
ca61a7bf | 356 | .set_voltage_sel = tps6507x_pmic_set_voltage_sel, |
055917ac | 357 | .list_voltage = regulator_list_voltage_table, |
a1bb63a8 | 358 | .map_voltage = regulator_map_voltage_ascend, |
3fa5b8e0 AA |
359 | }; |
360 | ||
f979c08f AL |
361 | static int tps6507x_pmic_of_parse_cb(struct device_node *np, |
362 | const struct regulator_desc *desc, | |
363 | struct regulator_config *config) | |
6116ad94 | 364 | { |
f979c08f AL |
365 | struct tps6507x_pmic *tps = config->driver_data; |
366 | struct tps_info *info = tps->info[desc->id]; | |
367 | u32 prop; | |
368 | int ret; | |
6116ad94 | 369 | |
f979c08f AL |
370 | ret = of_property_read_u32(np, "ti,defdcdc_default", &prop); |
371 | if (!ret) | |
372 | info->defdcdc_default = prop; | |
6116ad94 | 373 | |
f979c08f | 374 | return 0; |
6116ad94 | 375 | } |
4246e55f | 376 | |
a5023574 | 377 | static int tps6507x_pmic_probe(struct platform_device *pdev) |
3fa5b8e0 | 378 | { |
31dd6a26 | 379 | struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); |
7d14831e | 380 | struct tps_info *info = &tps6507x_pmic_regs[0]; |
c172708d | 381 | struct regulator_config config = { }; |
f979c08f | 382 | struct regulator_init_data *init_data = NULL; |
3fa5b8e0 | 383 | struct regulator_dev *rdev; |
4ce5ba5b | 384 | struct tps6507x_pmic *tps; |
0bc20bba | 385 | struct tps6507x_board *tps_board; |
3fa5b8e0 AA |
386 | int i; |
387 | ||
0bc20bba TF |
388 | /** |
389 | * tps_board points to pmic related constants | |
390 | * coming from the board-evm file. | |
391 | */ | |
392 | ||
31dd6a26 | 393 | tps_board = dev_get_platdata(tps6507x_dev->dev); |
f979c08f AL |
394 | if (tps_board) |
395 | init_data = tps_board->tps6507x_pmic_init_data; | |
3fa5b8e0 | 396 | |
9eb0c421 | 397 | tps = devm_kzalloc(&pdev->dev, sizeof(*tps), GFP_KERNEL); |
3fa5b8e0 AA |
398 | if (!tps) |
399 | return -ENOMEM; | |
400 | ||
401 | mutex_init(&tps->io_lock); | |
402 | ||
403 | /* common for all regulators */ | |
31dd6a26 | 404 | tps->mfd = tps6507x_dev; |
3fa5b8e0 AA |
405 | |
406 | for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) { | |
407 | /* Register the regulators */ | |
408 | tps->info[i] = info; | |
f979c08f | 409 | if (init_data && init_data->driver_data) { |
7d14831e | 410 | struct tps6507x_reg_platform_data *data = |
4246e55f | 411 | init_data->driver_data; |
f979c08f | 412 | info->defdcdc_default = data->defdcdc_default; |
7d14831e AA |
413 | } |
414 | ||
3fa5b8e0 | 415 | tps->desc[i].name = info->name; |
f979c08f AL |
416 | tps->desc[i].of_match = of_match_ptr(info->name); |
417 | tps->desc[i].regulators_node = of_match_ptr("regulators"); | |
418 | tps->desc[i].of_parse_cb = tps6507x_pmic_of_parse_cb; | |
77fa44d0 | 419 | tps->desc[i].id = i; |
0fcdb109 | 420 | tps->desc[i].n_voltages = info->table_len; |
055917ac | 421 | tps->desc[i].volt_table = info->table; |
f2933d33 | 422 | tps->desc[i].ops = &tps6507x_pmic_ops; |
3fa5b8e0 AA |
423 | tps->desc[i].type = REGULATOR_VOLTAGE; |
424 | tps->desc[i].owner = THIS_MODULE; | |
425 | ||
c172708d MB |
426 | config.dev = tps6507x_dev->dev; |
427 | config.init_data = init_data; | |
428 | config.driver_data = tps; | |
429 | ||
71b710e7 SK |
430 | rdev = devm_regulator_register(&pdev->dev, &tps->desc[i], |
431 | &config); | |
3fa5b8e0 | 432 | if (IS_ERR(rdev)) { |
31dd6a26 TF |
433 | dev_err(tps6507x_dev->dev, |
434 | "failed to register %s regulator\n", | |
435 | pdev->name); | |
71b710e7 | 436 | return PTR_ERR(rdev); |
3fa5b8e0 | 437 | } |
3fa5b8e0 AA |
438 | } |
439 | ||
31dd6a26 | 440 | tps6507x_dev->pmic = tps; |
d7399fa8 | 441 | platform_set_drvdata(pdev, tps6507x_dev); |
3fa5b8e0 AA |
442 | |
443 | return 0; | |
3fa5b8e0 AA |
444 | } |
445 | ||
31dd6a26 | 446 | static struct platform_driver tps6507x_pmic_driver = { |
3fa5b8e0 | 447 | .driver = { |
31dd6a26 | 448 | .name = "tps6507x-pmic", |
3fa5b8e0 | 449 | }, |
4ce5ba5b | 450 | .probe = tps6507x_pmic_probe, |
3fa5b8e0 AA |
451 | }; |
452 | ||
4ce5ba5b | 453 | static int __init tps6507x_pmic_init(void) |
3fa5b8e0 | 454 | { |
31dd6a26 | 455 | return platform_driver_register(&tps6507x_pmic_driver); |
3fa5b8e0 | 456 | } |
4ce5ba5b | 457 | subsys_initcall(tps6507x_pmic_init); |
3fa5b8e0 | 458 | |
4ce5ba5b | 459 | static void __exit tps6507x_pmic_cleanup(void) |
3fa5b8e0 | 460 | { |
31dd6a26 | 461 | platform_driver_unregister(&tps6507x_pmic_driver); |
3fa5b8e0 | 462 | } |
4ce5ba5b | 463 | module_exit(tps6507x_pmic_cleanup); |
3fa5b8e0 AA |
464 | |
465 | MODULE_AUTHOR("Texas Instruments"); | |
466 | MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); | |
9e108d33 | 467 | MODULE_LICENSE("GPL v2"); |
31dd6a26 | 468 | MODULE_ALIAS("platform:tps6507x-pmic"); |