xref: /openbmc/linux/sound/soc/codecs/adau1761-i2c.c (revision aaf0f3ae)
1dab464b6SLars-Peter Clausen /*
2d6dde63eSAndreas Irestål  * Driver for ADAU1361/ADAU1461/ADAU1761/ADAU1961 codec
3dab464b6SLars-Peter Clausen  *
4dab464b6SLars-Peter Clausen  * Copyright 2014 Analog Devices Inc.
5dab464b6SLars-Peter Clausen  *  Author: Lars-Peter Clausen <lars@metafoo.de>
6dab464b6SLars-Peter Clausen  *
7dab464b6SLars-Peter Clausen  * Licensed under the GPL-2.
8dab464b6SLars-Peter Clausen  */
9dab464b6SLars-Peter Clausen 
10dab464b6SLars-Peter Clausen #include <linux/i2c.h>
11dab464b6SLars-Peter Clausen #include <linux/mod_devicetable.h>
12dab464b6SLars-Peter Clausen #include <linux/module.h>
13dab464b6SLars-Peter Clausen #include <linux/regmap.h>
14dab464b6SLars-Peter Clausen #include <sound/soc.h>
15dab464b6SLars-Peter Clausen 
16dab464b6SLars-Peter Clausen #include "adau1761.h"
17dab464b6SLars-Peter Clausen 
18dab464b6SLars-Peter Clausen static int adau1761_i2c_probe(struct i2c_client *client,
19dab464b6SLars-Peter Clausen 	const struct i2c_device_id *id)
20dab464b6SLars-Peter Clausen {
21dab464b6SLars-Peter Clausen 	struct regmap_config config;
22dab464b6SLars-Peter Clausen 
23dab464b6SLars-Peter Clausen 	config = adau1761_regmap_config;
24dab464b6SLars-Peter Clausen 	config.val_bits = 8;
25dab464b6SLars-Peter Clausen 	config.reg_bits = 16;
26dab464b6SLars-Peter Clausen 
27dab464b6SLars-Peter Clausen 	return adau1761_probe(&client->dev,
28dab464b6SLars-Peter Clausen 		devm_regmap_init_i2c(client, &config),
29dab464b6SLars-Peter Clausen 		id->driver_data, NULL);
30dab464b6SLars-Peter Clausen }
31dab464b6SLars-Peter Clausen 
32dab464b6SLars-Peter Clausen static int adau1761_i2c_remove(struct i2c_client *client)
33dab464b6SLars-Peter Clausen {
34dab464b6SLars-Peter Clausen 	snd_soc_unregister_codec(&client->dev);
35dab464b6SLars-Peter Clausen 	return 0;
36dab464b6SLars-Peter Clausen }
37dab464b6SLars-Peter Clausen 
38dab464b6SLars-Peter Clausen static const struct i2c_device_id adau1761_i2c_ids[] = {
39dab464b6SLars-Peter Clausen 	{ "adau1361", ADAU1361 },
40dab464b6SLars-Peter Clausen 	{ "adau1461", ADAU1761 },
41dab464b6SLars-Peter Clausen 	{ "adau1761", ADAU1761 },
42dab464b6SLars-Peter Clausen 	{ "adau1961", ADAU1361 },
43dab464b6SLars-Peter Clausen 	{ }
44dab464b6SLars-Peter Clausen };
45dab464b6SLars-Peter Clausen MODULE_DEVICE_TABLE(i2c, adau1761_i2c_ids);
46dab464b6SLars-Peter Clausen 
47aaf0f3aeSAndreas Irestål #if defined(CONFIG_OF)
48aaf0f3aeSAndreas Irestål static const struct of_device_id adau1761_i2c_dt_ids[] = {
49aaf0f3aeSAndreas Irestål 	{ .compatible = "adi,adau1361", },
50aaf0f3aeSAndreas Irestål 	{ .compatible = "adi,adau1461", },
51aaf0f3aeSAndreas Irestål 	{ .compatible = "adi,adau1761", },
52aaf0f3aeSAndreas Irestål 	{ .compatible = "adi,adau1961", },
53aaf0f3aeSAndreas Irestål 	{ },
54aaf0f3aeSAndreas Irestål };
55aaf0f3aeSAndreas Irestål MODULE_DEVICE_TABLE(of, adau1761_i2c_dt_ids);
56aaf0f3aeSAndreas Irestål #endif
57aaf0f3aeSAndreas Irestål 
58dab464b6SLars-Peter Clausen static struct i2c_driver adau1761_i2c_driver = {
59dab464b6SLars-Peter Clausen 	.driver = {
60dab464b6SLars-Peter Clausen 		.name = "adau1761",
61aaf0f3aeSAndreas Irestål 		.of_match_table = of_match_ptr(adau1761_i2c_dt_ids),
62dab464b6SLars-Peter Clausen 	},
63dab464b6SLars-Peter Clausen 	.probe = adau1761_i2c_probe,
64dab464b6SLars-Peter Clausen 	.remove = adau1761_i2c_remove,
65dab464b6SLars-Peter Clausen 	.id_table = adau1761_i2c_ids,
66dab464b6SLars-Peter Clausen };
67dab464b6SLars-Peter Clausen module_i2c_driver(adau1761_i2c_driver);
68dab464b6SLars-Peter Clausen 
69dab464b6SLars-Peter Clausen MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC I2C driver");
70dab464b6SLars-Peter Clausen MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
71dab464b6SLars-Peter Clausen MODULE_LICENSE("GPL");
72