1 /*
2 * SSM2602/SSM2603/SSM2604 I2C audio driver
3 *
4 * Copyright 2014 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2.
7 */
8
9 #include <linux/module.h>
10 #include <linux/i2c.h>
11 #include <linux/regmap.h>
12
13 #include <sound/soc.h>
14
15 #include "ssm2602.h"
16
17 /*
18 * ssm2602 2 wire address is determined by GPIO5
19 * state during powerup.
20 * low = 0x1a
21 * high = 0x1b
22 */
ssm2602_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)23 static int ssm2602_i2c_probe(struct i2c_client *client,
24 const struct i2c_device_id *id)
25 {
26 return ssm2602_probe(&client->dev, id->driver_data,
27 devm_regmap_init_i2c(client, &ssm2602_regmap_config));
28 }
29
ssm2602_i2c_remove(struct i2c_client * client)30 static int ssm2602_i2c_remove(struct i2c_client *client)
31 {
32 snd_soc_unregister_codec(&client->dev);
33 return 0;
34 }
35
36 static const struct i2c_device_id ssm2602_i2c_id[] = {
37 { "ssm2602", SSM2602 },
38 { "ssm2603", SSM2602 },
39 { "ssm2604", SSM2604 },
40 { }
41 };
42 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
43
44 static const struct of_device_id ssm2602_of_match[] = {
45 { .compatible = "adi,ssm2602", },
46 { .compatible = "adi,ssm2603", },
47 { .compatible = "adi,ssm2604", },
48 { }
49 };
50 MODULE_DEVICE_TABLE(of, ssm2602_of_match);
51
52 static struct i2c_driver ssm2602_i2c_driver = {
53 .driver = {
54 .name = "ssm2602",
55 .of_match_table = ssm2602_of_match,
56 },
57 .probe = ssm2602_i2c_probe,
58 .remove = ssm2602_i2c_remove,
59 .id_table = ssm2602_i2c_id,
60 };
61 module_i2c_driver(ssm2602_i2c_driver);
62
63 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
64 MODULE_AUTHOR("Cliff Cai");
65 MODULE_LICENSE("GPL");
66