xref: /openbmc/linux/sound/soc/codecs/pcm179x-i2c.c (revision b830f94f)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * PCM179X ASoC I2C driver
4  *
5  * Copyright (c) Teenage Engineering AB 2016
6  *
7  *     Jacob Siverskog <jacob@teenage.engineering>
8  */
9 
10 #include <linux/module.h>
11 #include <linux/of.h>
12 #include <linux/i2c.h>
13 #include <linux/regmap.h>
14 
15 #include "pcm179x.h"
16 
17 static int pcm179x_i2c_probe(struct i2c_client *client,
18 			      const struct i2c_device_id *id)
19 {
20 	struct regmap *regmap;
21 	int ret;
22 
23 	regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config);
24 	if (IS_ERR(regmap)) {
25 		ret = PTR_ERR(regmap);
26 		dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
27 		return ret;
28 	}
29 
30 	return pcm179x_common_init(&client->dev, regmap);
31 }
32 
33 static const struct of_device_id pcm179x_of_match[] = {
34 	{ .compatible = "ti,pcm1792a", },
35 	{ }
36 };
37 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
38 
39 static const struct i2c_device_id pcm179x_i2c_ids[] = {
40 	{ "pcm179x", 0 },
41 	{ }
42 };
43 MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
44 
45 static struct i2c_driver pcm179x_i2c_driver = {
46 	.driver = {
47 		.name	= "pcm179x",
48 		.of_match_table = of_match_ptr(pcm179x_of_match),
49 	},
50 	.id_table	= pcm179x_i2c_ids,
51 	.probe		= pcm179x_i2c_probe,
52 };
53 
54 module_i2c_driver(pcm179x_i2c_driver);
55 
56 MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
57 MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
58 MODULE_LICENSE("GPL");
59