1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * SSM2602/SSM2603/SSM2604 I2C audio driver
4 *
5 * Copyright 2014 Analog Devices Inc.
6 */
7
8 #include <linux/module.h>
9 #include <linux/i2c.h>
10 #include <linux/regmap.h>
11
12 #include <sound/soc.h>
13
14 #include "ssm2602.h"
15
16 static const struct i2c_device_id ssm2602_i2c_id[];
17
18 /*
19 * ssm2602 2 wire address is determined by GPIO5
20 * state during powerup.
21 * low = 0x1a
22 * high = 0x1b
23 */
24 static int ssm2602_i2c_probe(struct i2c_client *client)
25 {
26 const struct i2c_device_id *id = i2c_match_id(ssm2602_i2c_id, client);
27 return ssm2602_probe(&client->dev, id->driver_data,
28 devm_regmap_init_i2c(client, &ssm2602_regmap_config));
29 }
30
31 static const struct i2c_device_id ssm2602_i2c_id[] = {
32 { "ssm2602", SSM2602 },
33 { "ssm2603", SSM2602 },
34 { "ssm2604", SSM2604 },
35 { }
36 };
37 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
38
39 static const struct of_device_id ssm2602_of_match[] = {
40 { .compatible = "adi,ssm2602", },
41 { .compatible = "adi,ssm2603", },
42 { .compatible = "adi,ssm2604", },
43 { }
44 };
45 MODULE_DEVICE_TABLE(of, ssm2602_of_match);
46
47 static struct i2c_driver ssm2602_i2c_driver = {
48 .driver = {
49 .name = "ssm2602",
50 .of_match_table = ssm2602_of_match,
51 },
52 .probe = ssm2602_i2c_probe,
53 .id_table = ssm2602_i2c_id,
54 };
55 module_i2c_driver(ssm2602_i2c_driver);
56
57 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
58 MODULE_AUTHOR("Cliff Cai");
59 MODULE_LICENSE("GPL");
60
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.