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Anuj Aggarwal30e65992009-08-21 00:39:31 +05301/*
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>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090026#include <linux/slab.h>
Mark Brown90923352011-06-18 01:18:51 +010027#include <linux/regmap.h>
Anuj Aggarwal30e65992009-08-21 00:39:31 +053028
29/* Register definitions */
30#define TPS65023_REG_VERSION 0
31#define TPS65023_REG_PGOODZ 1
32#define TPS65023_REG_MASK 2
33#define TPS65023_REG_REG_CTRL 3
34#define TPS65023_REG_CON_CTRL 4
35#define TPS65023_REG_CON_CTRL2 5
36#define TPS65023_REG_DEF_CORE 6
37#define TPS65023_REG_DEFSLEW 7
38#define TPS65023_REG_LDO_CTRL 8
39
40/* PGOODZ bitfields */
41#define TPS65023_PGOODZ_PWRFAILZ BIT(7)
42#define TPS65023_PGOODZ_LOWBATTZ BIT(6)
43#define TPS65023_PGOODZ_VDCDC1 BIT(5)
44#define TPS65023_PGOODZ_VDCDC2 BIT(4)
45#define TPS65023_PGOODZ_VDCDC3 BIT(3)
46#define TPS65023_PGOODZ_LDO2 BIT(2)
47#define TPS65023_PGOODZ_LDO1 BIT(1)
48
49/* MASK bitfields */
50#define TPS65023_MASK_PWRFAILZ BIT(7)
51#define TPS65023_MASK_LOWBATTZ BIT(6)
52#define TPS65023_MASK_VDCDC1 BIT(5)
53#define TPS65023_MASK_VDCDC2 BIT(4)
54#define TPS65023_MASK_VDCDC3 BIT(3)
55#define TPS65023_MASK_LDO2 BIT(2)
56#define TPS65023_MASK_LDO1 BIT(1)
57
58/* REG_CTRL bitfields */
59#define TPS65023_REG_CTRL_VDCDC1_EN BIT(5)
60#define TPS65023_REG_CTRL_VDCDC2_EN BIT(4)
61#define TPS65023_REG_CTRL_VDCDC3_EN BIT(3)
62#define TPS65023_REG_CTRL_LDO2_EN BIT(2)
63#define TPS65023_REG_CTRL_LDO1_EN BIT(1)
64
Marcus Folkessonfc999b82011-08-04 13:33:49 +020065/* REG_CTRL2 bitfields */
66#define TPS65023_REG_CTRL2_GO BIT(7)
67#define TPS65023_REG_CTRL2_CORE_ADJ BIT(6)
68#define TPS65023_REG_CTRL2_DCDC2 BIT(2)
Marcus Folkessonf068ad82011-08-08 20:29:32 +020069#define TPS65023_REG_CTRL2_DCDC1 BIT(1)
70#define TPS65023_REG_CTRL2_DCDC3 BIT(0)
71
Anuj Aggarwal30e65992009-08-21 00:39:31 +053072/* Number of step-down converters available */
73#define TPS65023_NUM_DCDC 3
74/* Number of LDO voltage regulators available */
75#define TPS65023_NUM_LDO 2
76/* Number of total regulators available */
77#define TPS65023_NUM_REGULATOR (TPS65023_NUM_DCDC + TPS65023_NUM_LDO)
78
79/* DCDCs */
80#define TPS65023_DCDC_1 0
81#define TPS65023_DCDC_2 1
82#define TPS65023_DCDC_3 2
83/* LDOs */
84#define TPS65023_LDO_1 3
85#define TPS65023_LDO_2 4
86
87#define TPS65023_MAX_REG_ID TPS65023_LDO_2
88
89/* Supported voltage values for regulators */
Axel Linba3bd8a2012-06-19 17:12:18 +080090static const unsigned int VCORE_VSEL_table[] = {
91 800000, 825000, 850000, 875000,
92 900000, 925000, 950000, 975000,
93 1000000, 1025000, 1050000, 1075000,
94 1100000, 1125000, 1150000, 1175000,
95 1200000, 1225000, 1250000, 1275000,
96 1300000, 1325000, 1350000, 1375000,
97 1400000, 1425000, 1450000, 1475000,
98 1500000, 1525000, 1550000, 1600000,
99};
100
101static const unsigned int DCDC_FIXED_3300000_VSEL_table[] = {
102 3300000,
103};
104
105static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = {
106 1800000,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530107};
108
Marcus Folkesson437afd22011-08-08 20:29:35 +0200109/* Supported voltage values for LDO regulators for tps65020 */
Axel Linba3bd8a2012-06-19 17:12:18 +0800110static const unsigned int TPS65020_LDO1_VSEL_table[] = {
111 1000000, 1050000, 1100000, 1300000,
112 1800000, 2500000, 3000000, 3300000,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200113};
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200114
Axel Linba3bd8a2012-06-19 17:12:18 +0800115static const unsigned int TPS65020_LDO2_VSEL_table[] = {
116 1000000, 1050000, 1100000, 1300000,
117 1800000, 2500000, 3000000, 3300000,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200118};
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200119
120/* Supported voltage values for LDO regulators
121 * for tps65021 and tps65023 */
Axel Linba3bd8a2012-06-19 17:12:18 +0800122static const unsigned int TPS65023_LDO1_VSEL_table[] = {
123 1000000, 1100000, 1300000, 1800000,
124 2200000, 2600000, 2800000, 3150000,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530125};
126
Axel Linba3bd8a2012-06-19 17:12:18 +0800127static const unsigned int TPS65023_LDO2_VSEL_table[] = {
128 1050000, 1200000, 1300000, 1800000,
129 2500000, 2800000, 3000000, 3300000,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530130};
131
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530132/* Regulator specific details */
133struct tps_info {
134 const char *name;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530135 u8 table_len;
Axel Linba3bd8a2012-06-19 17:12:18 +0800136 const unsigned int *table;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530137};
138
139/* PMIC details */
140struct tps_pmic {
141 struct regulator_desc desc[TPS65023_NUM_REGULATOR];
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530142 struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
143 const struct tps_info *info[TPS65023_NUM_REGULATOR];
Mark Brown90923352011-06-18 01:18:51 +0100144 struct regmap *regmap;
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200145 u8 core_regulator;
146};
147
148/* Struct passed as driver data */
149struct tps_driver_data {
150 const struct tps_info *info;
151 u8 core_regulator;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530152};
153
Axel Lina1338292012-06-19 17:13:13 +0800154static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530155{
156 struct tps_pmic *tps = rdev_get_drvdata(dev);
Axel Lin46bcb002013-04-23 11:54:48 +0800157 int dcdc = rdev_get_id(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530158
159 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
160 return -EINVAL;
161
Axel Lin46bcb002013-04-23 11:54:48 +0800162 if (dcdc != tps->core_regulator)
Axel Lina1338292012-06-19 17:13:13 +0800163 return 0;
Axel Lin46bcb002013-04-23 11:54:48 +0800164
165 return regulator_get_voltage_sel_regmap(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530166}
167
Axel Lin70618732012-03-26 13:46:44 +0800168static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
169 unsigned selector)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530170{
171 struct tps_pmic *tps = rdev_get_drvdata(dev);
172 int dcdc = rdev_get_id(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530173
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200174 if (dcdc != tps->core_regulator)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530175 return -EINVAL;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530176
Axel Lin46bcb002013-04-23 11:54:48 +0800177 return regulator_set_voltage_sel_regmap(dev, selector);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530178}
179
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530180/* Operations permitted on VDCDCx */
181static struct regulator_ops tps65023_dcdc_ops = {
Axel Linee7b1912012-04-16 19:03:09 +0800182 .is_enabled = regulator_is_enabled_regmap,
183 .enable = regulator_enable_regmap,
184 .disable = regulator_disable_regmap,
Axel Lina1338292012-06-19 17:13:13 +0800185 .get_voltage_sel = tps65023_dcdc_get_voltage_sel,
Axel Lin70618732012-03-26 13:46:44 +0800186 .set_voltage_sel = tps65023_dcdc_set_voltage_sel,
Axel Linba3bd8a2012-06-19 17:12:18 +0800187 .list_voltage = regulator_list_voltage_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530188};
189
190/* Operations permitted on LDOx */
191static struct regulator_ops tps65023_ldo_ops = {
Axel Linee7b1912012-04-16 19:03:09 +0800192 .is_enabled = regulator_is_enabled_regmap,
193 .enable = regulator_enable_regmap,
194 .disable = regulator_disable_regmap,
Axel Line90a8442012-06-19 17:14:31 +0800195 .get_voltage_sel = regulator_get_voltage_sel_regmap,
196 .set_voltage_sel = regulator_set_voltage_sel_regmap,
Axel Linba3bd8a2012-06-19 17:12:18 +0800197 .list_voltage = regulator_list_voltage_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530198};
199
Mark Brown90923352011-06-18 01:18:51 +0100200static struct regmap_config tps65023_regmap_config = {
201 .reg_bits = 8,
202 .val_bits = 8,
203};
204
Bill Pembertona5023572012-11-19 13:22:22 -0500205static int tps_65023_probe(struct i2c_client *client,
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800206 const struct i2c_device_id *id)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530207{
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200208 const struct tps_driver_data *drv_data = (void *)id->driver_data;
209 const struct tps_info *info = drv_data->info;
Mark Brownc1727082012-04-04 00:50:22 +0100210 struct regulator_config config = { };
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530211 struct regulator_init_data *init_data;
212 struct regulator_dev *rdev;
213 struct tps_pmic *tps;
214 int i;
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800215 int error;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530216
217 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
218 return -EIO;
219
220 /**
221 * init_data points to array of regulator_init structures
222 * coming from the board-evm file.
223 */
224 init_data = client->dev.platform_data;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530225 if (!init_data)
226 return -EIO;
227
Axel Lin19a8da22012-04-07 23:31:44 +0800228 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530229 if (!tps)
230 return -ENOMEM;
231
Axel Lin19a8da22012-04-07 23:31:44 +0800232 tps->regmap = devm_regmap_init_i2c(client, &tps65023_regmap_config);
Mark Brown90923352011-06-18 01:18:51 +0100233 if (IS_ERR(tps->regmap)) {
234 error = PTR_ERR(tps->regmap);
235 dev_err(&client->dev, "Failed to allocate register map: %d\n",
236 error);
Axel Lin19a8da22012-04-07 23:31:44 +0800237 return error;
Mark Brown90923352011-06-18 01:18:51 +0100238 }
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530239
240 /* common for all regulators */
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200241 tps->core_regulator = drv_data->core_regulator;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530242
243 for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
244 /* Store regulator specific information */
245 tps->info[i] = info;
246
247 tps->desc[i].name = info->name;
Axel Lin77fa44d2011-05-12 13:47:50 +0800248 tps->desc[i].id = i;
Axel Linba3bd8a2012-06-19 17:12:18 +0800249 tps->desc[i].n_voltages = info->table_len;
250 tps->desc[i].volt_table = info->table;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530251 tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
252 &tps65023_ldo_ops : &tps65023_dcdc_ops);
253 tps->desc[i].type = REGULATOR_VOLTAGE;
254 tps->desc[i].owner = THIS_MODULE;
255
Axel Linee7b1912012-04-16 19:03:09 +0800256 tps->desc[i].enable_reg = TPS65023_REG_REG_CTRL;
Axel Line90a8442012-06-19 17:14:31 +0800257 switch (i) {
258 case TPS65023_LDO_1:
259 tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
260 tps->desc[i].vsel_mask = 0x07;
Axel Linee7b1912012-04-16 19:03:09 +0800261 tps->desc[i].enable_mask = 1 << 1;
Axel Line90a8442012-06-19 17:14:31 +0800262 break;
263 case TPS65023_LDO_2:
264 tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
265 tps->desc[i].vsel_mask = 0x70;
Axel Linee7b1912012-04-16 19:03:09 +0800266 tps->desc[i].enable_mask = 1 << 2;
Axel Line90a8442012-06-19 17:14:31 +0800267 break;
268 default: /* DCDCx */
Axel Linee7b1912012-04-16 19:03:09 +0800269 tps->desc[i].enable_mask =
270 1 << (TPS65023_NUM_REGULATOR - i);
Axel Lin46bcb002013-04-23 11:54:48 +0800271 tps->desc[i].vsel_reg = TPS65023_REG_DEF_CORE;
272 tps->desc[i].vsel_mask = info->table_len - 1;
273 tps->desc[i].apply_reg = TPS65023_REG_CON_CTRL2;
274 tps->desc[i].apply_bit = TPS65023_REG_CTRL2_GO;
Axel Line90a8442012-06-19 17:14:31 +0800275 }
Axel Linee7b1912012-04-16 19:03:09 +0800276
Mark Brownc1727082012-04-04 00:50:22 +0100277 config.dev = &client->dev;
278 config.init_data = init_data;
279 config.driver_data = tps;
Axel Linee7b1912012-04-16 19:03:09 +0800280 config.regmap = tps->regmap;
Mark Brownc1727082012-04-04 00:50:22 +0100281
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530282 /* Register the regulators */
Mark Brownc1727082012-04-04 00:50:22 +0100283 rdev = regulator_register(&tps->desc[i], &config);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530284 if (IS_ERR(rdev)) {
285 dev_err(&client->dev, "failed to register %s\n",
286 id->name);
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800287 error = PTR_ERR(rdev);
288 goto fail;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530289 }
290
291 /* Save regulator for cleanup */
292 tps->rdev[i] = rdev;
293 }
294
295 i2c_set_clientdata(client, tps);
296
Marcus Folkessonfc999b82011-08-04 13:33:49 +0200297 /* Enable setting output voltage by I2C */
Jonghwan Choi43530b62011-11-07 08:16:04 +0900298 regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
299 TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
Marcus Folkessonfc999b82011-08-04 13:33:49 +0200300
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530301 return 0;
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800302
303 fail:
304 while (--i >= 0)
305 regulator_unregister(tps->rdev[i]);
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800306 return error;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530307}
308
Bill Pemberton8dc995f2012-11-19 13:26:10 -0500309static int tps_65023_remove(struct i2c_client *client)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530310{
311 struct tps_pmic *tps = i2c_get_clientdata(client);
312 int i;
313
314 for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
315 regulator_unregister(tps->rdev[i]);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530316 return 0;
317}
318
Marcus Folkesson437afd22011-08-08 20:29:35 +0200319static const struct tps_info tps65020_regs[] = {
320 {
321 .name = "VDCDC1",
Axel Linba3bd8a2012-06-19 17:12:18 +0800322 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
323 .table = DCDC_FIXED_3300000_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200324 },
325 {
326 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800327 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
328 .table = DCDC_FIXED_1800000_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200329 },
330 {
331 .name = "VDCDC3",
Marcus Folkesson437afd22011-08-08 20:29:35 +0200332 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
333 .table = VCORE_VSEL_table,
334 },
Marcus Folkesson437afd22011-08-08 20:29:35 +0200335 {
336 .name = "LDO1",
Marcus Folkesson437afd22011-08-08 20:29:35 +0200337 .table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table),
338 .table = TPS65020_LDO1_VSEL_table,
339 },
340 {
341 .name = "LDO2",
Marcus Folkesson437afd22011-08-08 20:29:35 +0200342 .table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table),
343 .table = TPS65020_LDO2_VSEL_table,
344 },
345};
346
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200347static const struct tps_info tps65021_regs[] = {
348 {
349 .name = "VDCDC1",
Axel Linba3bd8a2012-06-19 17:12:18 +0800350 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
351 .table = DCDC_FIXED_3300000_VSEL_table,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200352 },
353 {
354 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800355 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
356 .table = DCDC_FIXED_1800000_VSEL_table,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200357 },
358 {
359 .name = "VDCDC3",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200360 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
361 .table = VCORE_VSEL_table,
362 },
363 {
364 .name = "LDO1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200365 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
366 .table = TPS65023_LDO1_VSEL_table,
367 },
368 {
369 .name = "LDO2",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200370 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
371 .table = TPS65023_LDO2_VSEL_table,
372 },
373};
374
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530375static const struct tps_info tps65023_regs[] = {
376 {
377 .name = "VDCDC1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200378 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
379 .table = VCORE_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530380 },
381 {
382 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800383 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
384 .table = DCDC_FIXED_3300000_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530385 },
386 {
387 .name = "VDCDC3",
Axel Linba3bd8a2012-06-19 17:12:18 +0800388 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
389 .table = DCDC_FIXED_1800000_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530390 },
391 {
392 .name = "LDO1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200393 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
394 .table = TPS65023_LDO1_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530395 },
396 {
397 .name = "LDO2",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200398 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
399 .table = TPS65023_LDO2_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530400 },
401};
402
Marcus Folkesson437afd22011-08-08 20:29:35 +0200403static struct tps_driver_data tps65020_drv_data = {
404 .info = tps65020_regs,
405 .core_regulator = TPS65023_DCDC_3,
406};
407
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200408static struct tps_driver_data tps65021_drv_data = {
Axel Lin70618732012-03-26 13:46:44 +0800409 .info = tps65021_regs,
410 .core_regulator = TPS65023_DCDC_3,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200411};
412
413static struct tps_driver_data tps65023_drv_data = {
Axel Lin70618732012-03-26 13:46:44 +0800414 .info = tps65023_regs,
415 .core_regulator = TPS65023_DCDC_1,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200416};
417
Liam Girdwood9e108d32009-08-24 10:31:34 +0100418static const struct i2c_device_id tps_65023_id[] = {
419 {.name = "tps65023",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200420 .driver_data = (unsigned long) &tps65023_drv_data},
Marek Vasut1880a2fc2010-06-24 15:49:49 +0200421 {.name = "tps65021",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200422 .driver_data = (unsigned long) &tps65021_drv_data,},
Marcus Folkesson437afd22011-08-08 20:29:35 +0200423 {.name = "tps65020",
424 .driver_data = (unsigned long) &tps65020_drv_data},
Liam Girdwood9e108d32009-08-24 10:31:34 +0100425 { },
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530426};
427
428MODULE_DEVICE_TABLE(i2c, tps_65023_id);
429
430static struct i2c_driver tps_65023_i2c_driver = {
431 .driver = {
432 .name = "tps65023",
433 .owner = THIS_MODULE,
434 },
435 .probe = tps_65023_probe,
Bill Pemberton5eb9f2b2012-11-19 13:20:42 -0500436 .remove = tps_65023_remove,
Liam Girdwood9e108d32009-08-24 10:31:34 +0100437 .id_table = tps_65023_id,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530438};
439
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530440static int __init tps_65023_init(void)
441{
442 return i2c_add_driver(&tps_65023_i2c_driver);
443}
444subsys_initcall(tps_65023_init);
445
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530446static void __exit tps_65023_cleanup(void)
447{
448 i2c_del_driver(&tps_65023_i2c_driver);
449}
450module_exit(tps_65023_cleanup);
451
452MODULE_AUTHOR("Texas Instruments");
453MODULE_DESCRIPTION("TPS65023 voltage regulator driver");
Liam Girdwood9e108d32009-08-24 10:31:34 +0100454MODULE_LICENSE("GPL v2");