1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * I2C access driver for TI TPS65912x PMICs
4 *
5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
6 * Andrew F. Davis <afd@ti.com>
7 *
8 * Based on the TPS65218 driver and the previous TPS65912 driver by
9 * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
10 */
11
12 #include <linux/i2c.h>
13 #include <linux/module.h>
14 #include <linux/regmap.h>
15
16 #include <linux/mfd/tps65912.h>
17
18 static const struct of_device_id tps65912_i2c_of_match_table[] = {
19 { .compatible = "ti,tps65912", },
20 { /* sentinel */ }
21 };
22 MODULE_DEVICE_TABLE(of, tps65912_i2c_of_match_table);
23
tps65912_i2c_probe(struct i2c_client * client,const struct i2c_device_id * ids)24 static int tps65912_i2c_probe(struct i2c_client *client,
25 const struct i2c_device_id *ids)
26 {
27 struct tps65912 *tps;
28
29 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
30 if (!tps)
31 return -ENOMEM;
32
33 i2c_set_clientdata(client, tps);
34 tps->dev = &client->dev;
35 tps->irq = client->irq;
36
37 tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
38 if (IS_ERR(tps->regmap)) {
39 dev_err(tps->dev, "Failed to initialize register map\n");
40 return PTR_ERR(tps->regmap);
41 }
42
43 return tps65912_device_init(tps);
44 }
45
tps65912_i2c_remove(struct i2c_client * client)46 static void tps65912_i2c_remove(struct i2c_client *client)
47 {
48 struct tps65912 *tps = i2c_get_clientdata(client);
49
50 tps65912_device_exit(tps);
51 }
52
53 static const struct i2c_device_id tps65912_i2c_id_table[] = {
54 { "tps65912", 0 },
55 { /* sentinel */ }
56 };
57 MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
58
59 static struct i2c_driver tps65912_i2c_driver = {
60 .driver = {
61 .name = "tps65912",
62 .of_match_table = tps65912_i2c_of_match_table,
63 },
64 .probe = tps65912_i2c_probe,
65 .remove = tps65912_i2c_remove,
66 .id_table = tps65912_i2c_id_table,
67 };
68 module_i2c_driver(tps65912_i2c_driver);
69
70 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
71 MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
72 MODULE_LICENSE("GPL v2");
73
