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 
pcm179x_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)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 #ifdef CONFIG_OF
34 static const struct of_device_id pcm179x_of_match[] = {
35 	{ .compatible = "ti,pcm1792a", },
36 	{ }
37 };
38 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
39 #endif
40 
41 static const struct i2c_device_id pcm179x_i2c_ids[] = {
42 	{ "pcm179x", 0 },
43 	{ }
44 };
45 MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
46 
47 static struct i2c_driver pcm179x_i2c_driver = {
48 	.driver = {
49 		.name	= "pcm179x",
50 		.of_match_table = of_match_ptr(pcm179x_of_match),
51 	},
52 	.id_table	= pcm179x_i2c_ids,
53 	.probe		= pcm179x_i2c_probe,
54 };
55 
56 module_i2c_driver(pcm179x_i2c_driver);
57 
58 MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
59 MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
60 MODULE_LICENSE("GPL");
61