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30e6599d AA |
1 | /* |
2 | * tps65023-regulator.c | |
3 | * | |
4 | * Supports TPS65023 Regulator | |
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> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/delay.h> | |
5a0e3ad6 | 27 | #include <linux/slab.h> |
90923351 | 28 | #include <linux/regmap.h> |
30e6599d AA |
29 | |
30 | /* Register definitions */ | |
31 | #define TPS65023_REG_VERSION 0 | |
32 | #define TPS65023_REG_PGOODZ 1 | |
33 | #define TPS65023_REG_MASK 2 | |
34 | #define TPS65023_REG_REG_CTRL 3 | |
35 | #define TPS65023_REG_CON_CTRL 4 | |
36 | #define TPS65023_REG_CON_CTRL2 5 | |
37 | #define TPS65023_REG_DEF_CORE 6 | |
38 | #define TPS65023_REG_DEFSLEW 7 | |
39 | #define TPS65023_REG_LDO_CTRL 8 | |
40 | ||
41 | /* PGOODZ bitfields */ | |
42 | #define TPS65023_PGOODZ_PWRFAILZ BIT(7) | |
43 | #define TPS65023_PGOODZ_LOWBATTZ BIT(6) | |
44 | #define TPS65023_PGOODZ_VDCDC1 BIT(5) | |
45 | #define TPS65023_PGOODZ_VDCDC2 BIT(4) | |
46 | #define TPS65023_PGOODZ_VDCDC3 BIT(3) | |
47 | #define TPS65023_PGOODZ_LDO2 BIT(2) | |
48 | #define TPS65023_PGOODZ_LDO1 BIT(1) | |
49 | ||
50 | /* MASK bitfields */ | |
51 | #define TPS65023_MASK_PWRFAILZ BIT(7) | |
52 | #define TPS65023_MASK_LOWBATTZ BIT(6) | |
53 | #define TPS65023_MASK_VDCDC1 BIT(5) | |
54 | #define TPS65023_MASK_VDCDC2 BIT(4) | |
55 | #define TPS65023_MASK_VDCDC3 BIT(3) | |
56 | #define TPS65023_MASK_LDO2 BIT(2) | |
57 | #define TPS65023_MASK_LDO1 BIT(1) | |
58 | ||
59 | /* REG_CTRL bitfields */ | |
60 | #define TPS65023_REG_CTRL_VDCDC1_EN BIT(5) | |
61 | #define TPS65023_REG_CTRL_VDCDC2_EN BIT(4) | |
62 | #define TPS65023_REG_CTRL_VDCDC3_EN BIT(3) | |
63 | #define TPS65023_REG_CTRL_LDO2_EN BIT(2) | |
64 | #define TPS65023_REG_CTRL_LDO1_EN BIT(1) | |
65 | ||
66 | /* LDO_CTRL bitfields */ | |
67 | #define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4) | |
68 | #define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0xF0 >> ((ldo_id)*4)) | |
69 | ||
70 | /* Number of step-down converters available */ | |
71 | #define TPS65023_NUM_DCDC 3 | |
72 | /* Number of LDO voltage regulators available */ | |
73 | #define TPS65023_NUM_LDO 2 | |
74 | /* Number of total regulators available */ | |
75 | #define TPS65023_NUM_REGULATOR (TPS65023_NUM_DCDC + TPS65023_NUM_LDO) | |
76 | ||
77 | /* DCDCs */ | |
78 | #define TPS65023_DCDC_1 0 | |
79 | #define TPS65023_DCDC_2 1 | |
80 | #define TPS65023_DCDC_3 2 | |
81 | /* LDOs */ | |
82 | #define TPS65023_LDO_1 3 | |
83 | #define TPS65023_LDO_2 4 | |
84 | ||
85 | #define TPS65023_MAX_REG_ID TPS65023_LDO_2 | |
86 | ||
87 | /* Supported voltage values for regulators */ | |
88 | static const u16 VDCDC1_VSEL_table[] = { | |
89 | 800, 825, 850, 875, | |
90 | 900, 925, 950, 975, | |
91 | 1000, 1025, 1050, 1075, | |
92 | 1100, 1125, 1150, 1175, | |
93 | 1200, 1225, 1250, 1275, | |
94 | 1300, 1325, 1350, 1375, | |
95 | 1400, 1425, 1450, 1475, | |
96 | 1500, 1525, 1550, 1600, | |
97 | }; | |
98 | ||
99 | static const u16 LDO1_VSEL_table[] = { | |
100 | 1000, 1100, 1300, 1800, | |
101 | 2200, 2600, 2800, 3150, | |
102 | }; | |
103 | ||
104 | static const u16 LDO2_VSEL_table[] = { | |
105 | 1050, 1200, 1300, 1800, | |
106 | 2500, 2800, 3000, 3300, | |
107 | }; | |
108 | ||
109 | static unsigned int num_voltages[] = {ARRAY_SIZE(VDCDC1_VSEL_table), | |
110 | 0, 0, ARRAY_SIZE(LDO1_VSEL_table), | |
111 | ARRAY_SIZE(LDO2_VSEL_table)}; | |
112 | ||
113 | /* Regulator specific details */ | |
114 | struct tps_info { | |
115 | const char *name; | |
116 | unsigned min_uV; | |
117 | unsigned max_uV; | |
118 | bool fixed; | |
119 | u8 table_len; | |
120 | const u16 *table; | |
121 | }; | |
122 | ||
123 | /* PMIC details */ | |
124 | struct tps_pmic { | |
125 | struct regulator_desc desc[TPS65023_NUM_REGULATOR]; | |
126 | struct i2c_client *client; | |
127 | struct regulator_dev *rdev[TPS65023_NUM_REGULATOR]; | |
128 | const struct tps_info *info[TPS65023_NUM_REGULATOR]; | |
90923351 | 129 | struct regmap *regmap; |
30e6599d AA |
130 | }; |
131 | ||
30e6599d AA |
132 | static int tps_65023_set_bits(struct tps_pmic *tps, u8 reg, u8 mask) |
133 | { | |
90923351 | 134 | return regmap_update_bits(tps->regmap, reg, mask, mask); |
30e6599d AA |
135 | } |
136 | ||
137 | static int tps_65023_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask) | |
138 | { | |
90923351 | 139 | return regmap_update_bits(tps->regmap, reg, mask, 0); |
30e6599d AA |
140 | } |
141 | ||
142 | static int tps_65023_reg_read(struct tps_pmic *tps, u8 reg) | |
143 | { | |
90923351 MB |
144 | unsigned int val; |
145 | int ret; | |
30e6599d | 146 | |
90923351 | 147 | ret = regmap_read(tps->regmap, reg, &val); |
30e6599d | 148 | |
90923351 MB |
149 | if (ret != 0) |
150 | return ret; | |
151 | else | |
152 | return val; | |
30e6599d AA |
153 | } |
154 | ||
155 | static int tps_65023_reg_write(struct tps_pmic *tps, u8 reg, u8 val) | |
156 | { | |
90923351 | 157 | return regmap_write(tps->regmap, reg, val); |
30e6599d AA |
158 | } |
159 | ||
160 | static int tps65023_dcdc_is_enabled(struct regulator_dev *dev) | |
161 | { | |
162 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
163 | int data, dcdc = rdev_get_id(dev); | |
164 | u8 shift; | |
165 | ||
166 | if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) | |
167 | return -EINVAL; | |
168 | ||
169 | shift = TPS65023_NUM_REGULATOR - dcdc; | |
170 | data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL); | |
171 | ||
172 | if (data < 0) | |
173 | return data; | |
174 | else | |
175 | return (data & 1<<shift) ? 1 : 0; | |
176 | } | |
177 | ||
178 | static int tps65023_ldo_is_enabled(struct regulator_dev *dev) | |
179 | { | |
180 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
181 | int data, ldo = rdev_get_id(dev); | |
182 | u8 shift; | |
183 | ||
184 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
185 | return -EINVAL; | |
186 | ||
187 | shift = (ldo == TPS65023_LDO_1 ? 1 : 2); | |
188 | data = tps_65023_reg_read(tps, TPS65023_REG_REG_CTRL); | |
189 | ||
190 | if (data < 0) | |
191 | return data; | |
192 | else | |
193 | return (data & 1<<shift) ? 1 : 0; | |
194 | } | |
195 | ||
196 | static int tps65023_dcdc_enable(struct regulator_dev *dev) | |
197 | { | |
198 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
199 | int dcdc = rdev_get_id(dev); | |
200 | u8 shift; | |
201 | ||
202 | if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) | |
203 | return -EINVAL; | |
204 | ||
205 | shift = TPS65023_NUM_REGULATOR - dcdc; | |
206 | return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); | |
207 | } | |
208 | ||
209 | static int tps65023_dcdc_disable(struct regulator_dev *dev) | |
210 | { | |
211 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
212 | int dcdc = rdev_get_id(dev); | |
213 | u8 shift; | |
214 | ||
215 | if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) | |
216 | return -EINVAL; | |
217 | ||
218 | shift = TPS65023_NUM_REGULATOR - dcdc; | |
219 | return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); | |
220 | } | |
221 | ||
222 | static int tps65023_ldo_enable(struct regulator_dev *dev) | |
223 | { | |
224 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
225 | int ldo = rdev_get_id(dev); | |
226 | u8 shift; | |
227 | ||
228 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
229 | return -EINVAL; | |
230 | ||
231 | shift = (ldo == TPS65023_LDO_1 ? 1 : 2); | |
232 | return tps_65023_set_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); | |
233 | } | |
234 | ||
235 | static int tps65023_ldo_disable(struct regulator_dev *dev) | |
236 | { | |
237 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
238 | int ldo = rdev_get_id(dev); | |
239 | u8 shift; | |
240 | ||
241 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
242 | return -EINVAL; | |
243 | ||
244 | shift = (ldo == TPS65023_LDO_1 ? 1 : 2); | |
245 | return tps_65023_clear_bits(tps, TPS65023_REG_REG_CTRL, 1 << shift); | |
246 | } | |
247 | ||
248 | static int tps65023_dcdc_get_voltage(struct regulator_dev *dev) | |
249 | { | |
250 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
251 | int data, dcdc = rdev_get_id(dev); | |
252 | ||
253 | if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) | |
254 | return -EINVAL; | |
255 | ||
256 | if (dcdc == TPS65023_DCDC_1) { | |
257 | data = tps_65023_reg_read(tps, TPS65023_REG_DEF_CORE); | |
258 | if (data < 0) | |
259 | return data; | |
260 | data &= (tps->info[dcdc]->table_len - 1); | |
261 | return tps->info[dcdc]->table[data] * 1000; | |
262 | } else | |
263 | return tps->info[dcdc]->min_uV; | |
264 | } | |
265 | ||
266 | static int tps65023_dcdc_set_voltage(struct regulator_dev *dev, | |
3a93f2a9 MB |
267 | int min_uV, int max_uV, |
268 | unsigned *selector) | |
30e6599d AA |
269 | { |
270 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
271 | int dcdc = rdev_get_id(dev); | |
272 | int vsel; | |
273 | ||
274 | if (dcdc != TPS65023_DCDC_1) | |
275 | return -EINVAL; | |
276 | ||
277 | if (min_uV < tps->info[dcdc]->min_uV | |
278 | || min_uV > tps->info[dcdc]->max_uV) | |
279 | return -EINVAL; | |
280 | if (max_uV < tps->info[dcdc]->min_uV | |
281 | || max_uV > tps->info[dcdc]->max_uV) | |
282 | return -EINVAL; | |
283 | ||
284 | for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) { | |
285 | int mV = tps->info[dcdc]->table[vsel]; | |
286 | int uV = mV * 1000; | |
287 | ||
288 | /* Break at the first in-range value */ | |
289 | if (min_uV <= uV && uV <= max_uV) | |
290 | break; | |
291 | } | |
292 | ||
3a93f2a9 MB |
293 | *selector = vsel; |
294 | ||
30e6599d AA |
295 | /* write to the register in case we found a match */ |
296 | if (vsel == tps->info[dcdc]->table_len) | |
297 | return -EINVAL; | |
298 | else | |
299 | return tps_65023_reg_write(tps, TPS65023_REG_DEF_CORE, vsel); | |
300 | } | |
301 | ||
302 | static int tps65023_ldo_get_voltage(struct regulator_dev *dev) | |
303 | { | |
304 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
305 | int data, ldo = rdev_get_id(dev); | |
306 | ||
307 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
308 | return -EINVAL; | |
309 | ||
310 | data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL); | |
311 | if (data < 0) | |
312 | return data; | |
313 | ||
314 | data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1)); | |
315 | data &= (tps->info[ldo]->table_len - 1); | |
316 | return tps->info[ldo]->table[data] * 1000; | |
317 | } | |
318 | ||
319 | static int tps65023_ldo_set_voltage(struct regulator_dev *dev, | |
3a93f2a9 | 320 | int min_uV, int max_uV, unsigned *selector) |
30e6599d AA |
321 | { |
322 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
323 | int data, vsel, ldo = rdev_get_id(dev); | |
324 | ||
325 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
326 | return -EINVAL; | |
327 | ||
328 | if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV) | |
329 | return -EINVAL; | |
330 | if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV) | |
331 | return -EINVAL; | |
332 | ||
333 | for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) { | |
334 | int mV = tps->info[ldo]->table[vsel]; | |
335 | int uV = mV * 1000; | |
336 | ||
337 | /* Break at the first in-range value */ | |
338 | if (min_uV <= uV && uV <= max_uV) | |
339 | break; | |
340 | } | |
341 | ||
342 | if (vsel == tps->info[ldo]->table_len) | |
343 | return -EINVAL; | |
344 | ||
3a93f2a9 MB |
345 | *selector = vsel; |
346 | ||
30e6599d AA |
347 | data = tps_65023_reg_read(tps, TPS65023_REG_LDO_CTRL); |
348 | if (data < 0) | |
349 | return data; | |
350 | ||
351 | data &= TPS65023_LDO_CTRL_LDOx_MASK(ldo - TPS65023_LDO_1); | |
352 | data |= (vsel << (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1))); | |
353 | return tps_65023_reg_write(tps, TPS65023_REG_LDO_CTRL, data); | |
354 | } | |
355 | ||
356 | static int tps65023_dcdc_list_voltage(struct regulator_dev *dev, | |
357 | unsigned selector) | |
358 | { | |
359 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
360 | int dcdc = rdev_get_id(dev); | |
361 | ||
362 | if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) | |
363 | return -EINVAL; | |
364 | ||
365 | if (dcdc == TPS65023_DCDC_1) { | |
366 | if (selector >= tps->info[dcdc]->table_len) | |
367 | return -EINVAL; | |
368 | else | |
369 | return tps->info[dcdc]->table[selector] * 1000; | |
370 | } else | |
371 | return tps->info[dcdc]->min_uV; | |
372 | } | |
373 | ||
374 | static int tps65023_ldo_list_voltage(struct regulator_dev *dev, | |
375 | unsigned selector) | |
376 | { | |
377 | struct tps_pmic *tps = rdev_get_drvdata(dev); | |
378 | int ldo = rdev_get_id(dev); | |
379 | ||
380 | if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2) | |
381 | return -EINVAL; | |
382 | ||
383 | if (selector >= tps->info[ldo]->table_len) | |
384 | return -EINVAL; | |
385 | else | |
386 | return tps->info[ldo]->table[selector] * 1000; | |
387 | } | |
388 | ||
389 | /* Operations permitted on VDCDCx */ | |
390 | static struct regulator_ops tps65023_dcdc_ops = { | |
391 | .is_enabled = tps65023_dcdc_is_enabled, | |
392 | .enable = tps65023_dcdc_enable, | |
393 | .disable = tps65023_dcdc_disable, | |
394 | .get_voltage = tps65023_dcdc_get_voltage, | |
395 | .set_voltage = tps65023_dcdc_set_voltage, | |
396 | .list_voltage = tps65023_dcdc_list_voltage, | |
397 | }; | |
398 | ||
399 | /* Operations permitted on LDOx */ | |
400 | static struct regulator_ops tps65023_ldo_ops = { | |
401 | .is_enabled = tps65023_ldo_is_enabled, | |
402 | .enable = tps65023_ldo_enable, | |
403 | .disable = tps65023_ldo_disable, | |
404 | .get_voltage = tps65023_ldo_get_voltage, | |
405 | .set_voltage = tps65023_ldo_set_voltage, | |
406 | .list_voltage = tps65023_ldo_list_voltage, | |
407 | }; | |
408 | ||
90923351 MB |
409 | static struct regmap_config tps65023_regmap_config = { |
410 | .reg_bits = 8, | |
411 | .val_bits = 8, | |
412 | }; | |
413 | ||
54d13ab1 DT |
414 | static int __devinit tps_65023_probe(struct i2c_client *client, |
415 | const struct i2c_device_id *id) | |
30e6599d | 416 | { |
30e6599d AA |
417 | const struct tps_info *info = (void *)id->driver_data; |
418 | struct regulator_init_data *init_data; | |
419 | struct regulator_dev *rdev; | |
420 | struct tps_pmic *tps; | |
421 | int i; | |
54d13ab1 | 422 | int error; |
30e6599d AA |
423 | |
424 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
425 | return -EIO; | |
426 | ||
427 | /** | |
428 | * init_data points to array of regulator_init structures | |
429 | * coming from the board-evm file. | |
430 | */ | |
431 | init_data = client->dev.platform_data; | |
30e6599d AA |
432 | if (!init_data) |
433 | return -EIO; | |
434 | ||
435 | tps = kzalloc(sizeof(*tps), GFP_KERNEL); | |
436 | if (!tps) | |
437 | return -ENOMEM; | |
438 | ||
90923351 MB |
439 | tps->regmap = regmap_init_i2c(client, &tps65023_regmap_config); |
440 | if (IS_ERR(tps->regmap)) { | |
441 | error = PTR_ERR(tps->regmap); | |
442 | dev_err(&client->dev, "Failed to allocate register map: %d\n", | |
443 | error); | |
444 | goto fail_alloc; | |
445 | } | |
30e6599d AA |
446 | |
447 | /* common for all regulators */ | |
448 | tps->client = client; | |
449 | ||
450 | for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) { | |
451 | /* Store regulator specific information */ | |
452 | tps->info[i] = info; | |
453 | ||
454 | tps->desc[i].name = info->name; | |
77fa44d0 | 455 | tps->desc[i].id = i; |
30e6599d AA |
456 | tps->desc[i].n_voltages = num_voltages[i]; |
457 | tps->desc[i].ops = (i > TPS65023_DCDC_3 ? | |
458 | &tps65023_ldo_ops : &tps65023_dcdc_ops); | |
459 | tps->desc[i].type = REGULATOR_VOLTAGE; | |
460 | tps->desc[i].owner = THIS_MODULE; | |
461 | ||
462 | /* Register the regulators */ | |
463 | rdev = regulator_register(&tps->desc[i], &client->dev, | |
54d13ab1 | 464 | init_data, tps); |
30e6599d AA |
465 | if (IS_ERR(rdev)) { |
466 | dev_err(&client->dev, "failed to register %s\n", | |
467 | id->name); | |
54d13ab1 DT |
468 | error = PTR_ERR(rdev); |
469 | goto fail; | |
30e6599d AA |
470 | } |
471 | ||
472 | /* Save regulator for cleanup */ | |
473 | tps->rdev[i] = rdev; | |
474 | } | |
475 | ||
476 | i2c_set_clientdata(client, tps); | |
477 | ||
478 | return 0; | |
54d13ab1 DT |
479 | |
480 | fail: | |
481 | while (--i >= 0) | |
482 | regulator_unregister(tps->rdev[i]); | |
483 | ||
90923351 MB |
484 | regmap_exit(tps->regmap); |
485 | fail_alloc: | |
54d13ab1 DT |
486 | kfree(tps); |
487 | return error; | |
30e6599d AA |
488 | } |
489 | ||
490 | /** | |
491 | * tps_65023_remove - TPS65023 driver i2c remove handler | |
492 | * @client: i2c driver client device structure | |
493 | * | |
494 | * Unregister TPS driver as an i2c client device driver | |
495 | */ | |
496 | static int __devexit tps_65023_remove(struct i2c_client *client) | |
497 | { | |
498 | struct tps_pmic *tps = i2c_get_clientdata(client); | |
499 | int i; | |
500 | ||
501 | for (i = 0; i < TPS65023_NUM_REGULATOR; i++) | |
502 | regulator_unregister(tps->rdev[i]); | |
503 | ||
90923351 | 504 | regmap_exit(tps->regmap); |
30e6599d AA |
505 | kfree(tps); |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
510 | static const struct tps_info tps65023_regs[] = { | |
511 | { | |
512 | .name = "VDCDC1", | |
513 | .min_uV = 800000, | |
514 | .max_uV = 1600000, | |
515 | .table_len = ARRAY_SIZE(VDCDC1_VSEL_table), | |
516 | .table = VDCDC1_VSEL_table, | |
517 | }, | |
518 | { | |
519 | .name = "VDCDC2", | |
520 | .min_uV = 3300000, | |
521 | .max_uV = 3300000, | |
522 | .fixed = 1, | |
523 | }, | |
524 | { | |
525 | .name = "VDCDC3", | |
526 | .min_uV = 1800000, | |
527 | .max_uV = 1800000, | |
528 | .fixed = 1, | |
529 | }, | |
530 | { | |
531 | .name = "LDO1", | |
532 | .min_uV = 1000000, | |
533 | .max_uV = 3150000, | |
534 | .table_len = ARRAY_SIZE(LDO1_VSEL_table), | |
535 | .table = LDO1_VSEL_table, | |
536 | }, | |
537 | { | |
538 | .name = "LDO2", | |
539 | .min_uV = 1050000, | |
540 | .max_uV = 3300000, | |
541 | .table_len = ARRAY_SIZE(LDO2_VSEL_table), | |
542 | .table = LDO2_VSEL_table, | |
543 | }, | |
544 | }; | |
545 | ||
9e108d33 LG |
546 | static const struct i2c_device_id tps_65023_id[] = { |
547 | {.name = "tps65023", | |
548 | .driver_data = (unsigned long) tps65023_regs,}, | |
1880a2fc MV |
549 | {.name = "tps65021", |
550 | .driver_data = (unsigned long) tps65023_regs,}, | |
9e108d33 | 551 | { }, |
30e6599d AA |
552 | }; |
553 | ||
554 | MODULE_DEVICE_TABLE(i2c, tps_65023_id); | |
555 | ||
556 | static struct i2c_driver tps_65023_i2c_driver = { | |
557 | .driver = { | |
558 | .name = "tps65023", | |
559 | .owner = THIS_MODULE, | |
560 | }, | |
561 | .probe = tps_65023_probe, | |
562 | .remove = __devexit_p(tps_65023_remove), | |
9e108d33 | 563 | .id_table = tps_65023_id, |
30e6599d AA |
564 | }; |
565 | ||
566 | /** | |
567 | * tps_65023_init | |
568 | * | |
569 | * Module init function | |
570 | */ | |
571 | static int __init tps_65023_init(void) | |
572 | { | |
573 | return i2c_add_driver(&tps_65023_i2c_driver); | |
574 | } | |
575 | subsys_initcall(tps_65023_init); | |
576 | ||
577 | /** | |
578 | * tps_65023_cleanup | |
579 | * | |
580 | * Module exit function | |
581 | */ | |
582 | static void __exit tps_65023_cleanup(void) | |
583 | { | |
584 | i2c_del_driver(&tps_65023_i2c_driver); | |
585 | } | |
586 | module_exit(tps_65023_cleanup); | |
587 | ||
588 | MODULE_AUTHOR("Texas Instruments"); | |
589 | MODULE_DESCRIPTION("TPS65023 voltage regulator driver"); | |
9e108d33 | 590 | MODULE_LICENSE("GPL v2"); |