1/*
2 * I2C access driver for TI TPS65912x PMICs
3 *
4 * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
5 * Andrew F. Davis <afd@ti.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
12 * kind, whether expressed or implied; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License version 2 for more details.
15 *
16 * Based on the TPS65218 driver and the previous TPS65912 driver by
17 * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
18 */
19
20#include <linux/i2c.h>
21#include <linux/module.h>
22#include <linux/regmap.h>
23
24#include <linux/mfd/tps65912.h>
25
26static const struct of_device_id tps65912_i2c_of_match_table[] = {
27 { .compatible = "ti,tps65912", },
28 { /* sentinel */ }
29};
30MODULE_DEVICE_TABLE(of, tps65912_i2c_of_match_table);
31
32static int tps65912_i2c_probe(struct i2c_client *client,
33 const struct i2c_device_id *ids)
34{
35 struct tps65912 *tps;
36
37 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
38 if (!tps)
39 return -ENOMEM;
40
41 i2c_set_clientdata(client, tps);
42 tps->dev = &client->dev;
43 tps->irq = client->irq;
44
45 tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
46 if (IS_ERR(tps->regmap)) {
47 dev_err(tps->dev, "Failed to initialize register map\n");
48 return PTR_ERR(tps->regmap);
49 }
50
51 return tps65912_device_init(tps);
52}
53
54static int tps65912_i2c_remove(struct i2c_client *client)
55{
56 struct tps65912 *tps = i2c_get_clientdata(client);
57
58 return tps65912_device_exit(tps);
59}
60
61static const struct i2c_device_id tps65912_i2c_id_table[] = {
62 { "tps65912", 0 },
63 { /* sentinel */ }
64};
65MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
66
67static struct i2c_driver tps65912_i2c_driver = {
68 .driver = {
69 .name = "tps65912",
70 .of_match_table = tps65912_i2c_of_match_table,
71 },
72 .probe = tps65912_i2c_probe,
73 .remove = tps65912_i2c_remove,
74 .id_table = tps65912_i2c_id_table,
75};
76module_i2c_driver(tps65912_i2c_driver);
77
78MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
79MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
80MODULE_LICENSE("GPL v2");
81