Commit | Line | Data |
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2aec85b2 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
3fa5b8e0 AA |
2 | /* |
3 | * tps6507x-regulator.c | |
4 | * | |
5 | * Regulator driver for TPS65073 PMIC | |
6 | * | |
2ca76b3e | 7 | * Copyright (C) 2009 Texas Instrument Incorporated - https://www.ti.com/ |
3fa5b8e0 AA |
8 | */ |
9 | ||
10 | #include <linux/kernel.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/err.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/regulator/driver.h> | |
16 | #include <linux/regulator/machine.h> | |
7d14831e | 17 | #include <linux/regulator/tps6507x.h> |
6116ad94 | 18 | #include <linux/of.h> |
5a0e3ad6 | 19 | #include <linux/slab.h> |
d183fcc9 | 20 | #include <linux/mfd/tps6507x.h> |
6116ad94 | 21 | #include <linux/regulator/of_regulator.h> |
3fa5b8e0 AA |
22 | |
23 | /* DCDC's */ | |
24 | #define TPS6507X_DCDC_1 0 | |
25 | #define TPS6507X_DCDC_2 1 | |
26 | #define TPS6507X_DCDC_3 2 | |
27 | /* LDOs */ | |
28 | #define TPS6507X_LDO_1 3 | |
29 | #define TPS6507X_LDO_2 4 | |
30 | ||
31 | #define TPS6507X_MAX_REG_ID TPS6507X_LDO_2 | |
32 | ||
33 | /* Number of step-down converters available */ | |
34 | #define TPS6507X_NUM_DCDC 3 | |
35 | /* Number of LDO voltage regulators available */ | |
36 | #define TPS6507X_NUM_LDO 2 | |
37 | /* Number of total regulators available */ | |
38 | #define TPS6507X_NUM_REGULATOR (TPS6507X_NUM_DCDC + TPS6507X_NUM_LDO) | |
39 | ||
055917ac AL |
40 | /* Supported voltage values for regulators (in microVolts) */ |
41 | static const unsigned int VDCDCx_VSEL_table[] = { | |
42 | 725000, 750000, 775000, 800000, | |
43 | 825000, 850000, 875000, 900000, | |
44 | 925000, 950000, 975000, 1000000, | |
45 | 1025000, 1050000, 1075000, 1100000, | |
46 | 1125000, 1150000, 1175000, 1200000, | |
47 | 1225000, 1250000, 1275000, 1300000, | |
48 | 1325000, 1350000, 1375000, 1400000, | |
49 | 1425000, 1450000, 1475000, 1500000, | |
50 | 1550000, 1600000, 1650000, 1700000, | |
51 | 1750000, 1800000, 1850000, 1900000, | |
52 | 1950000, 2000000, 2050000, 2100000, | |
53 | 2150000, 2200000, 2250000, 2300000, | |
54 | 2350000, 2400000, 2450000, 2500000, | |
55 | 2550000, 2600000, 2650000, 2700000, | |
56 | 2750000, 2800000, 2850000, 2900000, | |
57 | 3000000, 3100000, 3200000, 3300000, | |
3fa5b8e0 AA |
58 | }; |
59 | ||
055917ac AL |
60 | static const unsigned int LDO1_VSEL_table[] = { |
61 | 1000000, 1100000, 1200000, 1250000, | |
62 | 1300000, 1350000, 1400000, 1500000, | |
63 | 1600000, 1800000, 2500000, 2750000, | |
64 | 2800000, 3000000, 3100000, 3300000, | |
3fa5b8e0 AA |
65 | }; |
66 | ||
93b07e7b AL |
67 | /* The voltage mapping table for LDO2 is the same as VDCDCx */ |
68 | #define LDO2_VSEL_table VDCDCx_VSEL_table | |
3fa5b8e0 | 69 | |
3fa5b8e0 AA |
70 | struct tps_info { |
71 | const char *name; | |
3fa5b8e0 | 72 | u8 table_len; |
055917ac | 73 | const unsigned int *table; |
7d14831e AA |
74 | |
75 | /* Does DCDC high or the low register defines output voltage? */ | |
76 | bool defdcdc_default; | |
3fa5b8e0 AA |
77 | }; |
78 | ||
7d14831e | 79 | static struct tps_info tps6507x_pmic_regs[] = { |
31dd6a26 TF |
80 | { |
81 | .name = "VDCDC1", | |
31dd6a26 TF |
82 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
83 | .table = VDCDCx_VSEL_table, | |
84 | }, | |
85 | { | |
86 | .name = "VDCDC2", | |
31dd6a26 TF |
87 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
88 | .table = VDCDCx_VSEL_table, | |
89 | }, | |
90 | { | |
91 | .name = "VDCDC3", | |
31dd6a26 TF |
92 | .table_len = ARRAY_SIZE(VDCDCx_VSEL_table), |
93 | .table = VDCDCx_VSEL_table, | |
94 | }, | |
95 | { | |
96 | .name = "LDO1", | |
31dd6a26 TF |
97 | .table_len = ARRAY_SIZE(LDO1_VSEL_table), |
98 | .table = LDO1_VSEL_table, | |
99 | }, | |
100 | { | |
101 | .name = "LDO2", | |
31dd6a26 TF |
102 | .table_len = ARRAY_SIZE(LDO2_VSEL_table), |
103 | .table = LDO2_VSEL_table, | |
104 | }, | |
105 | }; | |
106 | ||
4ce5ba5b | 107 | struct tps6507x_pmic { |
3fa5b8e0 | 108 | struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; |
31dd6a26 | 109 | struct tps6507x_dev *mfd; |
7d14831e | 110 | struct tps_info *info[TPS6507X_NUM_REGULATOR]; |
3fa5b8e0 AA |
111 | struct mutex io_lock; |
112 | }; | |
4ce5ba5b | 113 | static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 | 114 | { |
31dd6a26 TF |
115 | u8 val; |
116 | int err; | |
117 | ||
118 | err = tps->mfd->read_dev(tps->mfd, reg, 1, &val); | |
119 | ||
120 | if (err) | |
121 | return err; | |
122 | ||
123 | return val; | |
3fa5b8e0 AA |
124 | } |
125 | ||
4ce5ba5b | 126 | static inline int tps6507x_pmic_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 | 127 | { |
31dd6a26 | 128 | return tps->mfd->write_dev(tps->mfd, reg, 1, &val); |
3fa5b8e0 AA |
129 | } |
130 | ||
4ce5ba5b | 131 | static int tps6507x_pmic_set_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
132 | { |
133 | int err, data; | |
134 | ||
135 | mutex_lock(&tps->io_lock); | |
136 | ||
4ce5ba5b | 137 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 138 | if (data < 0) { |
31dd6a26 | 139 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
140 | err = data; |
141 | goto out; | |
142 | } | |
143 | ||
144 | data |= mask; | |
4ce5ba5b | 145 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 146 | if (err) |
31dd6a26 | 147 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
148 | |
149 | out: | |
150 | mutex_unlock(&tps->io_lock); | |
151 | return err; | |
152 | } | |
153 | ||
4ce5ba5b | 154 | static int tps6507x_pmic_clear_bits(struct tps6507x_pmic *tps, u8 reg, u8 mask) |
3fa5b8e0 AA |
155 | { |
156 | int err, data; | |
157 | ||
158 | mutex_lock(&tps->io_lock); | |
159 | ||
4ce5ba5b | 160 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 161 | if (data < 0) { |
31dd6a26 | 162 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
163 | err = data; |
164 | goto out; | |
165 | } | |
166 | ||
167 | data &= ~mask; | |
4ce5ba5b | 168 | err = tps6507x_pmic_write(tps, reg, data); |
3fa5b8e0 | 169 | if (err) |
31dd6a26 | 170 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
171 | |
172 | out: | |
173 | mutex_unlock(&tps->io_lock); | |
174 | return err; | |
175 | } | |
176 | ||
4ce5ba5b | 177 | static int tps6507x_pmic_reg_read(struct tps6507x_pmic *tps, u8 reg) |
3fa5b8e0 AA |
178 | { |
179 | int data; | |
180 | ||
181 | mutex_lock(&tps->io_lock); | |
182 | ||
4ce5ba5b | 183 | data = tps6507x_pmic_read(tps, reg); |
3fa5b8e0 | 184 | if (data < 0) |
31dd6a26 | 185 | dev_err(tps->mfd->dev, "Read from reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
186 | |
187 | mutex_unlock(&tps->io_lock); | |
188 | return data; | |
189 | } | |
190 | ||
4ce5ba5b | 191 | static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val) |
3fa5b8e0 AA |
192 | { |
193 | int err; | |
194 | ||
195 | mutex_lock(&tps->io_lock); | |
196 | ||
4ce5ba5b | 197 | err = tps6507x_pmic_write(tps, reg, val); |
3fa5b8e0 | 198 | if (err < 0) |
31dd6a26 | 199 | dev_err(tps->mfd->dev, "Write for reg 0x%x failed\n", reg); |
3fa5b8e0 AA |
200 | |
201 | mutex_unlock(&tps->io_lock); | |
202 | return err; | |
203 | } | |
204 | ||
f2933d33 | 205 | static int tps6507x_pmic_is_enabled(struct regulator_dev *dev) |
3fa5b8e0 | 206 | { |
4ce5ba5b | 207 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 208 | int data, rid = rdev_get_id(dev); |
3fa5b8e0 AA |
209 | u8 shift; |
210 | ||
f2933d33 | 211 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
212 | return -EINVAL; |
213 | ||
f2933d33 | 214 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 215 | data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1); |
3fa5b8e0 AA |
216 | |
217 | if (data < 0) | |
218 | return data; | |
219 | else | |
220 | return (data & 1<<shift) ? 1 : 0; | |
221 | } | |
222 | ||
f2933d33 | 223 | static int tps6507x_pmic_enable(struct regulator_dev *dev) |
3fa5b8e0 | 224 | { |
4ce5ba5b | 225 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 226 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
227 | u8 shift; |
228 | ||
f2933d33 | 229 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
230 | return -EINVAL; |
231 | ||
f2933d33 | 232 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b | 233 | return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift); |
3fa5b8e0 AA |
234 | } |
235 | ||
f2933d33 | 236 | static int tps6507x_pmic_disable(struct regulator_dev *dev) |
3fa5b8e0 | 237 | { |
4ce5ba5b | 238 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 | 239 | int rid = rdev_get_id(dev); |
3fa5b8e0 AA |
240 | u8 shift; |
241 | ||
f2933d33 | 242 | if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2) |
3fa5b8e0 AA |
243 | return -EINVAL; |
244 | ||
f2933d33 | 245 | shift = TPS6507X_MAX_REG_ID - rid; |
4ce5ba5b TF |
246 | return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1, |
247 | 1 << shift); | |
3fa5b8e0 AA |
248 | } |
249 | ||
7c842a1d | 250 | static int tps6507x_pmic_get_voltage_sel(struct regulator_dev *dev) |
3fa5b8e0 | 251 | { |
4ce5ba5b | 252 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
f2933d33 AL |
253 | int data, rid = rdev_get_id(dev); |
254 | u8 reg, mask; | |
3fa5b8e0 | 255 | |
f2933d33 | 256 | switch (rid) { |
3fa5b8e0 AA |
257 | case TPS6507X_DCDC_1: |
258 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 259 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
260 | break; |
261 | case TPS6507X_DCDC_2: | |
f2933d33 | 262 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
263 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
264 | else | |
265 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 266 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
267 | break; |
268 | case TPS6507X_DCDC_3: | |
f2933d33 | 269 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
270 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
271 | else | |
272 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
273 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
274 | break; | |
275 | case TPS6507X_LDO_1: | |
276 | reg = TPS6507X_REG_LDO_CTRL1; | |
277 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
278 | break; | |
279 | case TPS6507X_LDO_2: | |
280 | reg = TPS6507X_REG_DEFLDO2; | |
281 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
282 | break; |
283 | default: | |
284 | return -EINVAL; | |
285 | } | |
286 | ||
4ce5ba5b | 287 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
288 | if (data < 0) |
289 | return data; | |
290 | ||
f2933d33 | 291 | data &= mask; |
7c842a1d | 292 | return data; |
3fa5b8e0 AA |
293 | } |
294 | ||
ca61a7bf AL |
295 | static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev, |
296 | unsigned selector) | |
3fa5b8e0 | 297 | { |
4ce5ba5b | 298 | struct tps6507x_pmic *tps = rdev_get_drvdata(dev); |
ca61a7bf | 299 | int data, rid = rdev_get_id(dev); |
f2933d33 | 300 | u8 reg, mask; |
3fa5b8e0 | 301 | |
f2933d33 | 302 | switch (rid) { |
3fa5b8e0 AA |
303 | case TPS6507X_DCDC_1: |
304 | reg = TPS6507X_REG_DEFDCDC1; | |
f2933d33 | 305 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
306 | break; |
307 | case TPS6507X_DCDC_2: | |
f2933d33 | 308 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
309 | reg = TPS6507X_REG_DEFDCDC2_HIGH; |
310 | else | |
311 | reg = TPS6507X_REG_DEFDCDC2_LOW; | |
f2933d33 | 312 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
3fa5b8e0 AA |
313 | break; |
314 | case TPS6507X_DCDC_3: | |
f2933d33 | 315 | if (tps->info[rid]->defdcdc_default) |
7d14831e AA |
316 | reg = TPS6507X_REG_DEFDCDC3_HIGH; |
317 | else | |
318 | reg = TPS6507X_REG_DEFDCDC3_LOW; | |
f2933d33 AL |
319 | mask = TPS6507X_DEFDCDCX_DCDC_MASK; |
320 | break; | |
321 | case TPS6507X_LDO_1: | |
322 | reg = TPS6507X_REG_LDO_CTRL1; | |
323 | mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK; | |
324 | break; | |
325 | case TPS6507X_LDO_2: | |
326 | reg = TPS6507X_REG_DEFLDO2; | |
327 | mask = TPS6507X_REG_DEFLDO2_LDO2_MASK; | |
3fa5b8e0 AA |
328 | break; |
329 | default: | |
330 | return -EINVAL; | |
331 | } | |
332 | ||
4ce5ba5b | 333 | data = tps6507x_pmic_reg_read(tps, reg); |
3fa5b8e0 AA |
334 | if (data < 0) |
335 | return data; | |
336 | ||
337 | data &= ~mask; | |
ca61a7bf | 338 | data |= selector; |
3fa5b8e0 | 339 | |
4ce5ba5b | 340 | return tps6507x_pmic_reg_write(tps, reg, data); |
3fa5b8e0 AA |
341 | } |
342 | ||
646e268e | 343 | static const struct regulator_ops tps6507x_pmic_ops = { |
f2933d33 AL |
344 | .is_enabled = tps6507x_pmic_is_enabled, |
345 | .enable = tps6507x_pmic_enable, | |
346 | .disable = tps6507x_pmic_disable, | |
7c842a1d | 347 | .get_voltage_sel = tps6507x_pmic_get_voltage_sel, |
ca61a7bf | 348 | .set_voltage_sel = tps6507x_pmic_set_voltage_sel, |
055917ac | 349 | .list_voltage = regulator_list_voltage_table, |
a1bb63a8 | 350 | .map_voltage = regulator_map_voltage_ascend, |
3fa5b8e0 AA |
351 | }; |
352 | ||
f979c08f AL |
353 | static int tps6507x_pmic_of_parse_cb(struct device_node *np, |
354 | const struct regulator_desc *desc, | |
355 | struct regulator_config *config) | |
6116ad94 | 356 | { |
f979c08f AL |
357 | struct tps6507x_pmic *tps = config->driver_data; |
358 | struct tps_info *info = tps->info[desc->id]; | |
359 | u32 prop; | |
360 | int ret; | |
6116ad94 | 361 | |
f979c08f AL |
362 | ret = of_property_read_u32(np, "ti,defdcdc_default", &prop); |
363 | if (!ret) | |
364 | info->defdcdc_default = prop; | |
6116ad94 | 365 | |
f979c08f | 366 | return 0; |
6116ad94 | 367 | } |
4246e55f | 368 | |
a5023574 | 369 | static int tps6507x_pmic_probe(struct platform_device *pdev) |
3fa5b8e0 | 370 | { |
31dd6a26 | 371 | struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); |
7d14831e | 372 | struct tps_info *info = &tps6507x_pmic_regs[0]; |
c172708d | 373 | struct regulator_config config = { }; |
f979c08f | 374 | struct regulator_init_data *init_data = NULL; |
3fa5b8e0 | 375 | struct regulator_dev *rdev; |
4ce5ba5b | 376 | struct tps6507x_pmic *tps; |
0bc20bba | 377 | struct tps6507x_board *tps_board; |
3fa5b8e0 AA |
378 | int i; |
379 | ||
0bc20bba TF |
380 | /** |
381 | * tps_board points to pmic related constants | |
382 | * coming from the board-evm file. | |
383 | */ | |
384 | ||
31dd6a26 | 385 | tps_board = dev_get_platdata(tps6507x_dev->dev); |
f979c08f AL |
386 | if (tps_board) |
387 | init_data = tps_board->tps6507x_pmic_init_data; | |
3fa5b8e0 | 388 | |
9eb0c421 | 389 | tps = devm_kzalloc(&pdev->dev, sizeof(*tps), GFP_KERNEL); |
3fa5b8e0 AA |
390 | if (!tps) |
391 | return -ENOMEM; | |
392 | ||
393 | mutex_init(&tps->io_lock); | |
394 | ||
395 | /* common for all regulators */ | |
31dd6a26 | 396 | tps->mfd = tps6507x_dev; |
3fa5b8e0 | 397 | |
7d293f56 | 398 | for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++) { |
3fa5b8e0 AA |
399 | /* Register the regulators */ |
400 | tps->info[i] = info; | |
7d293f56 | 401 | if (init_data && init_data[i].driver_data) { |
7d14831e | 402 | struct tps6507x_reg_platform_data *data = |
7d293f56 | 403 | init_data[i].driver_data; |
f979c08f | 404 | info->defdcdc_default = data->defdcdc_default; |
7d14831e AA |
405 | } |
406 | ||
3fa5b8e0 | 407 | tps->desc[i].name = info->name; |
f979c08f AL |
408 | tps->desc[i].of_match = of_match_ptr(info->name); |
409 | tps->desc[i].regulators_node = of_match_ptr("regulators"); | |
410 | tps->desc[i].of_parse_cb = tps6507x_pmic_of_parse_cb; | |
77fa44d0 | 411 | tps->desc[i].id = i; |
0fcdb109 | 412 | tps->desc[i].n_voltages = info->table_len; |
055917ac | 413 | tps->desc[i].volt_table = info->table; |
f2933d33 | 414 | tps->desc[i].ops = &tps6507x_pmic_ops; |
3fa5b8e0 AA |
415 | tps->desc[i].type = REGULATOR_VOLTAGE; |
416 | tps->desc[i].owner = THIS_MODULE; | |
417 | ||
c172708d MB |
418 | config.dev = tps6507x_dev->dev; |
419 | config.init_data = init_data; | |
420 | config.driver_data = tps; | |
421 | ||
71b710e7 SK |
422 | rdev = devm_regulator_register(&pdev->dev, &tps->desc[i], |
423 | &config); | |
3fa5b8e0 | 424 | if (IS_ERR(rdev)) { |
31dd6a26 TF |
425 | dev_err(tps6507x_dev->dev, |
426 | "failed to register %s regulator\n", | |
427 | pdev->name); | |
71b710e7 | 428 | return PTR_ERR(rdev); |
3fa5b8e0 | 429 | } |
3fa5b8e0 AA |
430 | } |
431 | ||
31dd6a26 | 432 | tps6507x_dev->pmic = tps; |
d7399fa8 | 433 | platform_set_drvdata(pdev, tps6507x_dev); |
3fa5b8e0 AA |
434 | |
435 | return 0; | |
3fa5b8e0 AA |
436 | } |
437 | ||
31dd6a26 | 438 | static struct platform_driver tps6507x_pmic_driver = { |
3fa5b8e0 | 439 | .driver = { |
31dd6a26 | 440 | .name = "tps6507x-pmic", |
259b93b2 | 441 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
3fa5b8e0 | 442 | }, |
4ce5ba5b | 443 | .probe = tps6507x_pmic_probe, |
3fa5b8e0 AA |
444 | }; |
445 | ||
4ce5ba5b | 446 | static int __init tps6507x_pmic_init(void) |
3fa5b8e0 | 447 | { |
31dd6a26 | 448 | return platform_driver_register(&tps6507x_pmic_driver); |
3fa5b8e0 | 449 | } |
4ce5ba5b | 450 | subsys_initcall(tps6507x_pmic_init); |
3fa5b8e0 | 451 | |
4ce5ba5b | 452 | static void __exit tps6507x_pmic_cleanup(void) |
3fa5b8e0 | 453 | { |
31dd6a26 | 454 | platform_driver_unregister(&tps6507x_pmic_driver); |
3fa5b8e0 | 455 | } |
4ce5ba5b | 456 | module_exit(tps6507x_pmic_cleanup); |
3fa5b8e0 AA |
457 | |
458 | MODULE_AUTHOR("Texas Instruments"); | |
459 | MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); | |
9e108d33 | 460 | MODULE_LICENSE("GPL v2"); |
31dd6a26 | 461 | MODULE_ALIAS("platform:tps6507x-pmic"); |