ssm2602-i2c.c

 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/*
17 * ssm2602 2 wire address is determined by GPIO5
18 * state during powerup.
19 *    low  = 0x1a
20 *    high = 0x1b
21 */
22static int ssm2602_i2c_probe(struct i2c_client *client)
23{
24	return ssm2602_probe(&client->dev, (uintptr_t)i2c_get_match_data(client),
25		devm_regmap_init_i2c(client, &ssm2602_regmap_config));
26}
27
28static const struct i2c_device_id ssm2602_i2c_id[] = {
29	{ "ssm2602", SSM2602 },
30	{ "ssm2603", SSM2602 },
31	{ "ssm2604", SSM2604 },
32	{ }
33};
34MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
35
36static const struct of_device_id ssm2602_of_match[] = {
37	{ .compatible = "adi,ssm2602", },
38	{ .compatible = "adi,ssm2603", },
39	{ .compatible = "adi,ssm2604", },
40	{ }
41};
42MODULE_DEVICE_TABLE(of, ssm2602_of_match);
43
44static struct i2c_driver ssm2602_i2c_driver = {
45	.driver = {
46		.name = "ssm2602",
47		.of_match_table = ssm2602_of_match,
48	},
49	.probe = ssm2602_i2c_probe,
50	.id_table = ssm2602_i2c_id,
51};
52module_i2c_driver(ssm2602_i2c_driver);
53
54MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
55MODULE_AUTHOR("Cliff Cai");
56MODULE_LICENSE("GPL");