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>
27 #include <linux/slab.h>
28 #include <linux/regmap.h>
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 /* REG_CTRL2 bitfields */
67 #define TPS65023_REG_CTRL2_GO BIT(7)
68 #define TPS65023_REG_CTRL2_CORE_ADJ BIT(6)
69 #define TPS65023_REG_CTRL2_DCDC2 BIT(2)
70 #define TPS65023_REG_CTRL2_DCDC1 BIT(1)
71 #define TPS65023_REG_CTRL2_DCDC3 BIT(0)
72
73 /* LDO_CTRL bitfields */
74 #define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4)
75 #define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0xF0 >> ((ldo_id)*4))
76
77 /* Number of step-down converters available */
78 #define TPS65023_NUM_DCDC 3
79 /* Number of LDO voltage regulators available */
80 #define TPS65023_NUM_LDO 2
81 /* Number of total regulators available */
82 #define TPS65023_NUM_REGULATOR (TPS65023_NUM_DCDC + TPS65023_NUM_LDO)
83
84 /* DCDCs */
85 #define TPS65023_DCDC_1 0
86 #define TPS65023_DCDC_2 1
87 #define TPS65023_DCDC_3 2
88 /* LDOs */
89 #define TPS65023_LDO_1 3
90 #define TPS65023_LDO_2 4
91
92 #define TPS65023_MAX_REG_ID TPS65023_LDO_2
93
94 /* Supported voltage values for regulators */
95 static const u16 VCORE_VSEL_table[] = {
96 800, 825, 850, 875,
97 900, 925, 950, 975,
98 1000, 1025, 1050, 1075,
99 1100, 1125, 1150, 1175,
100 1200, 1225, 1250, 1275,
101 1300, 1325, 1350, 1375,
102 1400, 1425, 1450, 1475,
103 1500, 1525, 1550, 1600,
104 };
105
106 /* Supported voltage values for LDO regulators for tps65020 */
107 static const u16 TPS65020_LDO1_VSEL_table[] = {
108 1000, 1050, 1100, 1300,
109 1800, 2500, 3000, 3300,
110 };
111
112 static const u16 TPS65020_LDO2_VSEL_table[] = {
113 1000, 1050, 1100, 1300,
114 1800, 2500, 3000, 3300,
115 };
116
117 /* Supported voltage values for LDO regulators
118 * for tps65021 and tps65023 */
119 static const u16 TPS65023_LDO1_VSEL_table[] = {
120 1000, 1100, 1300, 1800,
121 2200, 2600, 2800, 3150,
122 };
123
124 static const u16 TPS65023_LDO2_VSEL_table[] = {
125 1050, 1200, 1300, 1800,
126 2500, 2800, 3000, 3300,
127 };
128
129 /* Regulator specific details */
130 struct tps_info {
131 const char *name;
132 unsigned min_uV;
133 unsigned max_uV;
134 bool fixed;
135 u8 table_len;
136 const u16 *table;
137 };
138
139 /* PMIC details */
140 struct tps_pmic {
141 struct regulator_desc desc[TPS65023_NUM_REGULATOR];
142 struct i2c_client *client;
143 struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
144 const struct tps_info *info[TPS65023_NUM_REGULATOR];
145 struct regmap *regmap;
146 u8 core_regulator;
147 };
148
149 /* Struct passed as driver data */
150 struct tps_driver_data {
151 const struct tps_info *info;
152 u8 core_regulator;
153 };
154
tps65023_dcdc_is_enabled(struct regulator_dev * dev)155 static int tps65023_dcdc_is_enabled(struct regulator_dev *dev)
156 {
157 struct tps_pmic *tps = rdev_get_drvdata(dev);
158 int data, dcdc = rdev_get_id(dev);
159 int ret;
160 u8 shift;
161
162 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
163 return -EINVAL;
164
165 shift = TPS65023_NUM_REGULATOR - dcdc;
166 ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
167
168 if (ret != 0)
169 return ret;
170 else
171 return (data & 1<<shift) ? 1 : 0;
172 }
173
tps65023_ldo_is_enabled(struct regulator_dev * dev)174 static int tps65023_ldo_is_enabled(struct regulator_dev *dev)
175 {
176 struct tps_pmic *tps = rdev_get_drvdata(dev);
177 int data, ldo = rdev_get_id(dev);
178 int ret;
179 u8 shift;
180
181 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
182 return -EINVAL;
183
184 shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
185 ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
186
187 if (ret != 0)
188 return ret;
189 else
190 return (data & 1<<shift) ? 1 : 0;
191 }
192
tps65023_dcdc_enable(struct regulator_dev * dev)193 static int tps65023_dcdc_enable(struct regulator_dev *dev)
194 {
195 struct tps_pmic *tps = rdev_get_drvdata(dev);
196 int dcdc = rdev_get_id(dev);
197 u8 shift;
198
199 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
200 return -EINVAL;
201
202 shift = TPS65023_NUM_REGULATOR - dcdc;
203 return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
204 }
205
tps65023_dcdc_disable(struct regulator_dev * dev)206 static int tps65023_dcdc_disable(struct regulator_dev *dev)
207 {
208 struct tps_pmic *tps = rdev_get_drvdata(dev);
209 int dcdc = rdev_get_id(dev);
210 u8 shift;
211
212 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
213 return -EINVAL;
214
215 shift = TPS65023_NUM_REGULATOR - dcdc;
216 return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
217 }
218
tps65023_ldo_enable(struct regulator_dev * dev)219 static int tps65023_ldo_enable(struct regulator_dev *dev)
220 {
221 struct tps_pmic *tps = rdev_get_drvdata(dev);
222 int ldo = rdev_get_id(dev);
223 u8 shift;
224
225 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
226 return -EINVAL;
227
228 shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
229 return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
230 }
231
tps65023_ldo_disable(struct regulator_dev * dev)232 static int tps65023_ldo_disable(struct regulator_dev *dev)
233 {
234 struct tps_pmic *tps = rdev_get_drvdata(dev);
235 int ldo = rdev_get_id(dev);
236 u8 shift;
237
238 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
239 return -EINVAL;
240
241 shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
242 return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
243 }
244
tps65023_dcdc_get_voltage(struct regulator_dev * dev)245 static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
246 {
247 struct tps_pmic *tps = rdev_get_drvdata(dev);
248 int ret;
249 int data, dcdc = rdev_get_id(dev);
250
251 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
252 return -EINVAL;
253
254 if (dcdc == tps->core_regulator) {
255 ret = regmap_read(tps->regmap, TPS65023_REG_DEF_CORE, &data);
256 if (ret != 0)
257 return ret;
258 data &= (tps->info[dcdc]->table_len - 1);
259 return tps->info[dcdc]->table[data] * 1000;
260 } else
261 return tps->info[dcdc]->min_uV;
262 }
263
tps65023_dcdc_set_voltage(struct regulator_dev * dev,int min_uV,int max_uV,unsigned * selector)264 static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
265 int min_uV, int max_uV,
266 unsigned *selector)
267 {
268 struct tps_pmic *tps = rdev_get_drvdata(dev);
269 int dcdc = rdev_get_id(dev);
270 int vsel;
271 int ret;
272
273 if (dcdc != tps->core_regulator)
274 return -EINVAL;
275 if (min_uV < tps->info[dcdc]->min_uV
276 || min_uV > tps->info[dcdc]->max_uV)
277 return -EINVAL;
278 if (max_uV < tps->info[dcdc]->min_uV
279 || max_uV > tps->info[dcdc]->max_uV)
280 return -EINVAL;
281
282 for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) {
283 int mV = tps->info[dcdc]->table[vsel];
284 int uV = mV * 1000;
285
286 /* Break at the first in-range value */
287 if (min_uV <= uV && uV <= max_uV)
288 break;
289 }
290
291 *selector = vsel;
292
293 if (vsel == tps->info[dcdc]->table_len)
294 goto failed;
295
296 ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, vsel);
297
298 /* Tell the chip that we have changed the value in DEFCORE
299 * and its time to update the core voltage
300 */
301 regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
302 TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
303
304 return ret;
305
306 failed:
307 return -EINVAL;
308 }
309
tps65023_ldo_get_voltage(struct regulator_dev * dev)310 static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
311 {
312 struct tps_pmic *tps = rdev_get_drvdata(dev);
313 int data, ldo = rdev_get_id(dev);
314 int ret;
315
316 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
317 return -EINVAL;
318
319 ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
320 if (ret != 0)
321 return ret;
322
323 data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1));
324 data &= (tps->info[ldo]->table_len - 1);
325 return tps->info[ldo]->table[data] * 1000;
326 }
327
tps65023_ldo_set_voltage(struct regulator_dev * dev,int min_uV,int max_uV,unsigned * selector)328 static int tps65023_ldo_set_voltage(struct regulator_dev *dev,
329 int min_uV, int max_uV, unsigned *selector)
330 {
331 struct tps_pmic *tps = rdev_get_drvdata(dev);
332 int data, vsel, ldo = rdev_get_id(dev);
333 int ret;
334
335 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
336 return -EINVAL;
337
338 if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV)
339 return -EINVAL;
340 if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV)
341 return -EINVAL;
342
343 for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) {
344 int mV = tps->info[ldo]->table[vsel];
345 int uV = mV * 1000;
346
347 /* Break at the first in-range value */
348 if (min_uV <= uV && uV <= max_uV)
349 break;
350 }
351
352 if (vsel == tps->info[ldo]->table_len)
353 return -EINVAL;
354
355 *selector = vsel;
356
357 ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
358 if (ret != 0)
359 return ret;
360
361 data &= TPS65023_LDO_CTRL_LDOx_MASK(ldo - TPS65023_LDO_1);
362 data |= (vsel << (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1)));
363 return regmap_write(tps->regmap, TPS65023_REG_LDO_CTRL, data);
364 }
365
tps65023_dcdc_list_voltage(struct regulator_dev * dev,unsigned selector)366 static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
367 unsigned selector)
368 {
369 struct tps_pmic *tps = rdev_get_drvdata(dev);
370 int dcdc = rdev_get_id(dev);
371
372 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
373 return -EINVAL;
374
375 if (dcdc == tps->core_regulator) {
376 if (selector >= tps->info[dcdc]->table_len)
377 return -EINVAL;
378 else
379 return tps->info[dcdc]->table[selector] * 1000;
380 } else
381 return tps->info[dcdc]->min_uV;
382 }
383
tps65023_ldo_list_voltage(struct regulator_dev * dev,unsigned selector)384 static int tps65023_ldo_list_voltage(struct regulator_dev *dev,
385 unsigned selector)
386 {
387 struct tps_pmic *tps = rdev_get_drvdata(dev);
388 int ldo = rdev_get_id(dev);
389
390 if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
391 return -EINVAL;
392
393 if (selector >= tps->info[ldo]->table_len)
394 return -EINVAL;
395 else
396 return tps->info[ldo]->table[selector] * 1000;
397 }
398
399 /* Operations permitted on VDCDCx */
400 static struct regulator_ops tps65023_dcdc_ops = {
401 .is_enabled = tps65023_dcdc_is_enabled,
402 .enable = tps65023_dcdc_enable,
403 .disable = tps65023_dcdc_disable,
404 .get_voltage = tps65023_dcdc_get_voltage,
405 .set_voltage = tps65023_dcdc_set_voltage,
406 .list_voltage = tps65023_dcdc_list_voltage,
407 };
408
409 /* Operations permitted on LDOx */
410 static struct regulator_ops tps65023_ldo_ops = {
411 .is_enabled = tps65023_ldo_is_enabled,
412 .enable = tps65023_ldo_enable,
413 .disable = tps65023_ldo_disable,
414 .get_voltage = tps65023_ldo_get_voltage,
415 .set_voltage = tps65023_ldo_set_voltage,
416 .list_voltage = tps65023_ldo_list_voltage,
417 };
418
419 static struct regmap_config tps65023_regmap_config = {
420 .reg_bits = 8,
421 .val_bits = 8,
422 };
423
tps_65023_probe(struct i2c_client * client,const struct i2c_device_id * id)424 static int __devinit tps_65023_probe(struct i2c_client *client,
425 const struct i2c_device_id *id)
426 {
427 const struct tps_driver_data *drv_data = (void *)id->driver_data;
428 const struct tps_info *info = drv_data->info;
429 struct regulator_init_data *init_data;
430 struct regulator_dev *rdev;
431 struct tps_pmic *tps;
432 int i;
433 int error;
434
435 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
436 return -EIO;
437
438 /**
439 * init_data points to array of regulator_init structures
440 * coming from the board-evm file.
441 */
442 init_data = client->dev.platform_data;
443 if (!init_data)
444 return -EIO;
445
446 tps = kzalloc(sizeof(*tps), GFP_KERNEL);
447 if (!tps)
448 return -ENOMEM;
449
450 tps->regmap = regmap_init_i2c(client, &tps65023_regmap_config);
451 if (IS_ERR(tps->regmap)) {
452 error = PTR_ERR(tps->regmap);
453 dev_err(&client->dev, "Failed to allocate register map: %d\n",
454 error);
455 goto fail_alloc;
456 }
457
458 /* common for all regulators */
459 tps->client = client;
460 tps->core_regulator = drv_data->core_regulator;
461
462 for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
463 /* Store regulator specific information */
464 tps->info[i] = info;
465
466 tps->desc[i].name = info->name;
467 tps->desc[i].id = i;
468 tps->desc[i].n_voltages = info->table_len;
469 tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
470 &tps65023_ldo_ops : &tps65023_dcdc_ops);
471 tps->desc[i].type = REGULATOR_VOLTAGE;
472 tps->desc[i].owner = THIS_MODULE;
473
474 /* Register the regulators */
475 rdev = regulator_register(&tps->desc[i], &client->dev,
476 init_data, tps, NULL);
477 if (IS_ERR(rdev)) {
478 dev_err(&client->dev, "failed to register %s\n",
479 id->name);
480 error = PTR_ERR(rdev);
481 goto fail;
482 }
483
484 /* Save regulator for cleanup */
485 tps->rdev[i] = rdev;
486 }
487
488 i2c_set_clientdata(client, tps);
489
490 /* Enable setting output voltage by I2C */
491 regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
492 TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
493
494 return 0;
495
496 fail:
497 while (--i >= 0)
498 regulator_unregister(tps->rdev[i]);
499
500 regmap_exit(tps->regmap);
501 fail_alloc:
502 kfree(tps);
503 return error;
504 }
505
506 /**
507 * tps_65023_remove - TPS65023 driver i2c remove handler
508 * @client: i2c driver client device structure
509 *
510 * Unregister TPS driver as an i2c client device driver
511 */
tps_65023_remove(struct i2c_client * client)512 static int __devexit tps_65023_remove(struct i2c_client *client)
513 {
514 struct tps_pmic *tps = i2c_get_clientdata(client);
515 int i;
516
517 for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
518 regulator_unregister(tps->rdev[i]);
519
520 regmap_exit(tps->regmap);
521 kfree(tps);
522
523 return 0;
524 }
525
526 static const struct tps_info tps65020_regs[] = {
527 {
528 .name = "VDCDC1",
529 .min_uV = 3300000,
530 .max_uV = 3300000,
531 .fixed = 1,
532 },
533 {
534 .name = "VDCDC2",
535 .min_uV = 1800000,
536 .max_uV = 1800000,
537 .fixed = 1,
538 },
539 {
540 .name = "VDCDC3",
541 .min_uV = 800000,
542 .max_uV = 1600000,
543 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
544 .table = VCORE_VSEL_table,
545 },
546
547 {
548 .name = "LDO1",
549 .min_uV = 1000000,
550 .max_uV = 3150000,
551 .table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table),
552 .table = TPS65020_LDO1_VSEL_table,
553 },
554 {
555 .name = "LDO2",
556 .min_uV = 1050000,
557 .max_uV = 3300000,
558 .table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table),
559 .table = TPS65020_LDO2_VSEL_table,
560 },
561 };
562
563 static const struct tps_info tps65021_regs[] = {
564 {
565 .name = "VDCDC1",
566 .min_uV = 3300000,
567 .max_uV = 3300000,
568 .fixed = 1,
569 },
570 {
571 .name = "VDCDC2",
572 .min_uV = 1800000,
573 .max_uV = 1800000,
574 .fixed = 1,
575 },
576 {
577 .name = "VDCDC3",
578 .min_uV = 800000,
579 .max_uV = 1600000,
580 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
581 .table = VCORE_VSEL_table,
582 },
583 {
584 .name = "LDO1",
585 .min_uV = 1000000,
586 .max_uV = 3150000,
587 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
588 .table = TPS65023_LDO1_VSEL_table,
589 },
590 {
591 .name = "LDO2",
592 .min_uV = 1050000,
593 .max_uV = 3300000,
594 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
595 .table = TPS65023_LDO2_VSEL_table,
596 },
597 };
598
599 static const struct tps_info tps65023_regs[] = {
600 {
601 .name = "VDCDC1",
602 .min_uV = 800000,
603 .max_uV = 1600000,
604 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
605 .table = VCORE_VSEL_table,
606 },
607 {
608 .name = "VDCDC2",
609 .min_uV = 3300000,
610 .max_uV = 3300000,
611 .fixed = 1,
612 },
613 {
614 .name = "VDCDC3",
615 .min_uV = 1800000,
616 .max_uV = 1800000,
617 .fixed = 1,
618 },
619 {
620 .name = "LDO1",
621 .min_uV = 1000000,
622 .max_uV = 3150000,
623 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
624 .table = TPS65023_LDO1_VSEL_table,
625 },
626 {
627 .name = "LDO2",
628 .min_uV = 1050000,
629 .max_uV = 3300000,
630 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
631 .table = TPS65023_LDO2_VSEL_table,
632 },
633 };
634
635 static struct tps_driver_data tps65020_drv_data = {
636 .info = tps65020_regs,
637 .core_regulator = TPS65023_DCDC_3,
638 };
639
640 static struct tps_driver_data tps65021_drv_data = {
641 .info = tps65021_regs,
642 .core_regulator = TPS65023_DCDC_3,
643 };
644
645 static struct tps_driver_data tps65023_drv_data = {
646 .info = tps65023_regs,
647 .core_regulator = TPS65023_DCDC_1,
648 };
649
650 static const struct i2c_device_id tps_65023_id[] = {
651 {.name = "tps65023",
652 .driver_data = (unsigned long) &tps65023_drv_data},
653 {.name = "tps65021",
654 .driver_data = (unsigned long) &tps65021_drv_data,},
655 {.name = "tps65020",
656 .driver_data = (unsigned long) &tps65020_drv_data},
657 { },
658 };
659
660 MODULE_DEVICE_TABLE(i2c, tps_65023_id);
661
662 static struct i2c_driver tps_65023_i2c_driver = {
663 .driver = {
664 .name = "tps65023",
665 .owner = THIS_MODULE,
666 },
667 .probe = tps_65023_probe,
668 .remove = __devexit_p(tps_65023_remove),
669 .id_table = tps_65023_id,
670 };
671
672 /**
673 * tps_65023_init
674 *
675 * Module init function
676 */
tps_65023_init(void)677 static int __init tps_65023_init(void)
678 {
679 return i2c_add_driver(&tps_65023_i2c_driver);
680 }
681 subsys_initcall(tps_65023_init);
682
683 /**
684 * tps_65023_cleanup
685 *
686 * Module exit function
687 */
tps_65023_cleanup(void)688 static void __exit tps_65023_cleanup(void)
689 {
690 i2c_del_driver(&tps_65023_i2c_driver);
691 }
692 module_exit(tps_65023_cleanup);
693
694 MODULE_AUTHOR("Texas Instruments");
695 MODULE_DESCRIPTION("TPS65023 voltage regulator driver");
696 MODULE_LICENSE("GPL v2");
697