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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 Lin20405412013-04-25 11:31:42 +0800110static const unsigned int TPS65020_LDO_VSEL_table[] = {
Axel Linba3bd8a2012-06-19 17:12:18 +0800111 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
115/* Supported voltage values for LDO regulators
116 * for tps65021 and tps65023 */
Axel Linba3bd8a2012-06-19 17:12:18 +0800117static const unsigned int TPS65023_LDO1_VSEL_table[] = {
118 1000000, 1100000, 1300000, 1800000,
119 2200000, 2600000, 2800000, 3150000,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530120};
121
Axel Linba3bd8a2012-06-19 17:12:18 +0800122static const unsigned int TPS65023_LDO2_VSEL_table[] = {
123 1050000, 1200000, 1300000, 1800000,
124 2500000, 2800000, 3000000, 3300000,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530125};
126
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530127/* Regulator specific details */
128struct tps_info {
129 const char *name;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530130 u8 table_len;
Axel Linba3bd8a2012-06-19 17:12:18 +0800131 const unsigned int *table;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530132};
133
134/* PMIC details */
135struct tps_pmic {
136 struct regulator_desc desc[TPS65023_NUM_REGULATOR];
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530137 struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
138 const struct tps_info *info[TPS65023_NUM_REGULATOR];
Mark Brown90923352011-06-18 01:18:51 +0100139 struct regmap *regmap;
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200140 u8 core_regulator;
141};
142
143/* Struct passed as driver data */
144struct tps_driver_data {
145 const struct tps_info *info;
146 u8 core_regulator;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530147};
148
Axel Lina1338292012-06-19 17:13:13 +0800149static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530150{
151 struct tps_pmic *tps = rdev_get_drvdata(dev);
Axel Lin46bcb002013-04-23 11:54:48 +0800152 int dcdc = rdev_get_id(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530153
154 if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
155 return -EINVAL;
156
Axel Lin46bcb002013-04-23 11:54:48 +0800157 if (dcdc != tps->core_regulator)
Axel Lina1338292012-06-19 17:13:13 +0800158 return 0;
Axel Lin46bcb002013-04-23 11:54:48 +0800159
160 return regulator_get_voltage_sel_regmap(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530161}
162
Axel Lin70618732012-03-26 13:46:44 +0800163static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
164 unsigned selector)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530165{
166 struct tps_pmic *tps = rdev_get_drvdata(dev);
167 int dcdc = rdev_get_id(dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530168
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200169 if (dcdc != tps->core_regulator)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530170 return -EINVAL;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530171
Axel Lin46bcb002013-04-23 11:54:48 +0800172 return regulator_set_voltage_sel_regmap(dev, selector);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530173}
174
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530175/* Operations permitted on VDCDCx */
176static struct regulator_ops tps65023_dcdc_ops = {
Axel Linee7b1912012-04-16 19:03:09 +0800177 .is_enabled = regulator_is_enabled_regmap,
178 .enable = regulator_enable_regmap,
179 .disable = regulator_disable_regmap,
Axel Lina1338292012-06-19 17:13:13 +0800180 .get_voltage_sel = tps65023_dcdc_get_voltage_sel,
Axel Lin70618732012-03-26 13:46:44 +0800181 .set_voltage_sel = tps65023_dcdc_set_voltage_sel,
Axel Linba3bd8a2012-06-19 17:12:18 +0800182 .list_voltage = regulator_list_voltage_table,
Axel Linc4bbfbd2013-04-25 11:32:40 +0800183 .map_voltage = regulator_map_voltage_ascend,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530184};
185
186/* Operations permitted on LDOx */
187static struct regulator_ops tps65023_ldo_ops = {
Axel Linee7b1912012-04-16 19:03:09 +0800188 .is_enabled = regulator_is_enabled_regmap,
189 .enable = regulator_enable_regmap,
190 .disable = regulator_disable_regmap,
Axel Line90a8442012-06-19 17:14:31 +0800191 .get_voltage_sel = regulator_get_voltage_sel_regmap,
192 .set_voltage_sel = regulator_set_voltage_sel_regmap,
Axel Linba3bd8a2012-06-19 17:12:18 +0800193 .list_voltage = regulator_list_voltage_table,
Axel Linc4bbfbd2013-04-25 11:32:40 +0800194 .map_voltage = regulator_map_voltage_ascend,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530195};
196
Mark Brown90923352011-06-18 01:18:51 +0100197static struct regmap_config tps65023_regmap_config = {
198 .reg_bits = 8,
199 .val_bits = 8,
200};
201
Bill Pembertona5023572012-11-19 13:22:22 -0500202static int tps_65023_probe(struct i2c_client *client,
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800203 const struct i2c_device_id *id)
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530204{
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200205 const struct tps_driver_data *drv_data = (void *)id->driver_data;
206 const struct tps_info *info = drv_data->info;
Mark Brownc1727082012-04-04 00:50:22 +0100207 struct regulator_config config = { };
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530208 struct regulator_init_data *init_data;
209 struct regulator_dev *rdev;
210 struct tps_pmic *tps;
211 int i;
Dmitry Torokhov54d13ab2010-02-23 23:38:06 -0800212 int error;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530213
214 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
215 return -EIO;
216
217 /**
218 * init_data points to array of regulator_init structures
219 * coming from the board-evm file.
220 */
Jingoo Handff91d02013-07-30 17:20:47 +0900221 init_data = dev_get_platdata(&client->dev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530222 if (!init_data)
223 return -EIO;
224
Axel Lin19a8da22012-04-07 23:31:44 +0800225 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530226 if (!tps)
227 return -ENOMEM;
228
Axel Lin19a8da22012-04-07 23:31:44 +0800229 tps->regmap = devm_regmap_init_i2c(client, &tps65023_regmap_config);
Mark Brown90923352011-06-18 01:18:51 +0100230 if (IS_ERR(tps->regmap)) {
231 error = PTR_ERR(tps->regmap);
232 dev_err(&client->dev, "Failed to allocate register map: %d\n",
233 error);
Axel Lin19a8da22012-04-07 23:31:44 +0800234 return error;
Mark Brown90923352011-06-18 01:18:51 +0100235 }
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530236
237 /* common for all regulators */
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200238 tps->core_regulator = drv_data->core_regulator;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530239
240 for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
241 /* Store regulator specific information */
242 tps->info[i] = info;
243
244 tps->desc[i].name = info->name;
Axel Lin77fa44d2011-05-12 13:47:50 +0800245 tps->desc[i].id = i;
Axel Linba3bd8a2012-06-19 17:12:18 +0800246 tps->desc[i].n_voltages = info->table_len;
247 tps->desc[i].volt_table = info->table;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530248 tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
249 &tps65023_ldo_ops : &tps65023_dcdc_ops);
250 tps->desc[i].type = REGULATOR_VOLTAGE;
251 tps->desc[i].owner = THIS_MODULE;
252
Axel Linee7b1912012-04-16 19:03:09 +0800253 tps->desc[i].enable_reg = TPS65023_REG_REG_CTRL;
Axel Line90a8442012-06-19 17:14:31 +0800254 switch (i) {
255 case TPS65023_LDO_1:
256 tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
257 tps->desc[i].vsel_mask = 0x07;
Axel Linee7b1912012-04-16 19:03:09 +0800258 tps->desc[i].enable_mask = 1 << 1;
Axel Line90a8442012-06-19 17:14:31 +0800259 break;
260 case TPS65023_LDO_2:
261 tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
262 tps->desc[i].vsel_mask = 0x70;
Axel Linee7b1912012-04-16 19:03:09 +0800263 tps->desc[i].enable_mask = 1 << 2;
Axel Line90a8442012-06-19 17:14:31 +0800264 break;
265 default: /* DCDCx */
Axel Linee7b1912012-04-16 19:03:09 +0800266 tps->desc[i].enable_mask =
267 1 << (TPS65023_NUM_REGULATOR - i);
Axel Lin46bcb002013-04-23 11:54:48 +0800268 tps->desc[i].vsel_reg = TPS65023_REG_DEF_CORE;
269 tps->desc[i].vsel_mask = info->table_len - 1;
270 tps->desc[i].apply_reg = TPS65023_REG_CON_CTRL2;
271 tps->desc[i].apply_bit = TPS65023_REG_CTRL2_GO;
Axel Line90a8442012-06-19 17:14:31 +0800272 }
Axel Linee7b1912012-04-16 19:03:09 +0800273
Mark Brownc1727082012-04-04 00:50:22 +0100274 config.dev = &client->dev;
275 config.init_data = init_data;
276 config.driver_data = tps;
Axel Linee7b1912012-04-16 19:03:09 +0800277 config.regmap = tps->regmap;
Mark Brownc1727082012-04-04 00:50:22 +0100278
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530279 /* Register the regulators */
Sachin Kamat9c7c9ea2013-09-04 17:17:46 +0530280 rdev = devm_regulator_register(&client->dev, &tps->desc[i],
281 &config);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530282 if (IS_ERR(rdev)) {
283 dev_err(&client->dev, "failed to register %s\n",
284 id->name);
Sachin Kamat9c7c9ea2013-09-04 17:17:46 +0530285 return PTR_ERR(rdev);
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530286 }
287
288 /* Save regulator for cleanup */
289 tps->rdev[i] = rdev;
290 }
291
292 i2c_set_clientdata(client, tps);
293
Marcus Folkessonfc999b82011-08-04 13:33:49 +0200294 /* Enable setting output voltage by I2C */
Jonghwan Choi43530b62011-11-07 08:16:04 +0900295 regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
Jingoo Han5ee034e2013-10-14 17:52:45 +0900296 TPS65023_REG_CTRL2_CORE_ADJ,
297 TPS65023_REG_CTRL2_CORE_ADJ);
Marcus Folkessonfc999b82011-08-04 13:33:49 +0200298
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530299 return 0;
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530300}
301
Marcus Folkesson437afd22011-08-08 20:29:35 +0200302static const struct tps_info tps65020_regs[] = {
303 {
304 .name = "VDCDC1",
Axel Linba3bd8a2012-06-19 17:12:18 +0800305 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
306 .table = DCDC_FIXED_3300000_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200307 },
308 {
309 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800310 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
311 .table = DCDC_FIXED_1800000_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200312 },
313 {
314 .name = "VDCDC3",
Marcus Folkesson437afd22011-08-08 20:29:35 +0200315 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
316 .table = VCORE_VSEL_table,
317 },
Marcus Folkesson437afd22011-08-08 20:29:35 +0200318 {
319 .name = "LDO1",
Axel Lin20405412013-04-25 11:31:42 +0800320 .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
321 .table = TPS65020_LDO_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200322 },
323 {
324 .name = "LDO2",
Axel Lin20405412013-04-25 11:31:42 +0800325 .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
326 .table = TPS65020_LDO_VSEL_table,
Marcus Folkesson437afd22011-08-08 20:29:35 +0200327 },
328};
329
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200330static const struct tps_info tps65021_regs[] = {
331 {
332 .name = "VDCDC1",
Axel Linba3bd8a2012-06-19 17:12:18 +0800333 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
334 .table = DCDC_FIXED_3300000_VSEL_table,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200335 },
336 {
337 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800338 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
339 .table = DCDC_FIXED_1800000_VSEL_table,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200340 },
341 {
342 .name = "VDCDC3",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200343 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
344 .table = VCORE_VSEL_table,
345 },
346 {
347 .name = "LDO1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200348 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
349 .table = TPS65023_LDO1_VSEL_table,
350 },
351 {
352 .name = "LDO2",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200353 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
354 .table = TPS65023_LDO2_VSEL_table,
355 },
356};
357
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530358static const struct tps_info tps65023_regs[] = {
359 {
360 .name = "VDCDC1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200361 .table_len = ARRAY_SIZE(VCORE_VSEL_table),
362 .table = VCORE_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530363 },
364 {
365 .name = "VDCDC2",
Axel Linba3bd8a2012-06-19 17:12:18 +0800366 .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
367 .table = DCDC_FIXED_3300000_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530368 },
369 {
370 .name = "VDCDC3",
Axel Linba3bd8a2012-06-19 17:12:18 +0800371 .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
372 .table = DCDC_FIXED_1800000_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530373 },
374 {
375 .name = "LDO1",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200376 .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
377 .table = TPS65023_LDO1_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530378 },
379 {
380 .name = "LDO2",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200381 .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
382 .table = TPS65023_LDO2_VSEL_table,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530383 },
384};
385
Marcus Folkesson437afd22011-08-08 20:29:35 +0200386static struct tps_driver_data tps65020_drv_data = {
387 .info = tps65020_regs,
388 .core_regulator = TPS65023_DCDC_3,
389};
390
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200391static struct tps_driver_data tps65021_drv_data = {
Axel Lin70618732012-03-26 13:46:44 +0800392 .info = tps65021_regs,
393 .core_regulator = TPS65023_DCDC_3,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200394};
395
396static struct tps_driver_data tps65023_drv_data = {
Axel Lin70618732012-03-26 13:46:44 +0800397 .info = tps65023_regs,
398 .core_regulator = TPS65023_DCDC_1,
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200399};
400
Liam Girdwood9e108d32009-08-24 10:31:34 +0100401static const struct i2c_device_id tps_65023_id[] = {
402 {.name = "tps65023",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200403 .driver_data = (unsigned long) &tps65023_drv_data},
Marek Vasut1880a2f2010-06-24 15:49:49 +0200404 {.name = "tps65021",
Marcus Folkesson1c3ede02011-08-08 20:29:34 +0200405 .driver_data = (unsigned long) &tps65021_drv_data,},
Marcus Folkesson437afd22011-08-08 20:29:35 +0200406 {.name = "tps65020",
407 .driver_data = (unsigned long) &tps65020_drv_data},
Liam Girdwood9e108d32009-08-24 10:31:34 +0100408 { },
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530409};
410
411MODULE_DEVICE_TABLE(i2c, tps_65023_id);
412
413static struct i2c_driver tps_65023_i2c_driver = {
414 .driver = {
415 .name = "tps65023",
416 .owner = THIS_MODULE,
417 },
418 .probe = tps_65023_probe,
Liam Girdwood9e108d32009-08-24 10:31:34 +0100419 .id_table = tps_65023_id,
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530420};
421
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530422static int __init tps_65023_init(void)
423{
424 return i2c_add_driver(&tps_65023_i2c_driver);
425}
426subsys_initcall(tps_65023_init);
427
Anuj Aggarwal30e65992009-08-21 00:39:31 +0530428static void __exit tps_65023_cleanup(void)
429{
430 i2c_del_driver(&tps_65023_i2c_driver);
431}
432module_exit(tps_65023_cleanup);
433
434MODULE_AUTHOR("Texas Instruments");
435MODULE_DESCRIPTION("TPS65023 voltage regulator driver");
Liam Girdwood9e108d32009-08-24 10:31:34 +0100436MODULE_LICENSE("GPL v2");