xref: /openbmc/linux/sound/soc/codecs/wm8804-i2c.c (revision a2cce7a9)
1 /*
2  * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
3  *
4  * Copyright 2015 Cirrus Logic Inc
5  *
6  * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/i2c.h>
16 
17 #include "wm8804.h"
18 
19 static int wm8804_i2c_probe(struct i2c_client *i2c,
20 			    const struct i2c_device_id *id)
21 {
22 	struct regmap *regmap;
23 
24 	regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
25 	if (IS_ERR(regmap))
26 		return PTR_ERR(regmap);
27 
28 	return wm8804_probe(&i2c->dev, regmap);
29 }
30 
31 static int wm8804_i2c_remove(struct i2c_client *i2c)
32 {
33 	wm8804_remove(&i2c->dev);
34 	return 0;
35 }
36 
37 static const struct i2c_device_id wm8804_i2c_id[] = {
38 	{ "wm8804", 0 },
39 	{ }
40 };
41 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
42 
43 static const struct of_device_id wm8804_of_match[] = {
44 	{ .compatible = "wlf,wm8804", },
45 	{ }
46 };
47 MODULE_DEVICE_TABLE(of, wm8804_of_match);
48 
49 static struct i2c_driver wm8804_i2c_driver = {
50 	.driver = {
51 		.name = "wm8804",
52 		.pm = &wm8804_pm,
53 		.of_match_table = wm8804_of_match,
54 	},
55 	.probe = wm8804_i2c_probe,
56 	.remove = wm8804_i2c_remove,
57 	.id_table = wm8804_i2c_id
58 };
59 
60 module_i2c_driver(wm8804_i2c_driver);
61 
62 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
63 MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
64 MODULE_LICENSE("GPL");
65