xref: /openbmc/linux/sound/soc/codecs/adau1781-i2c.c (revision fb574682)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Driver for ADAU1381/ADAU1781 CODEC
4  *
5  * Copyright 2014 Analog Devices Inc.
6  *  Author: Lars-Peter Clausen <lars@metafoo.de>
7  */
8 
9 #include <linux/i2c.h>
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <sound/soc.h>
14 
15 #include "adau1781.h"
16 
17 static int adau1781_i2c_probe(struct i2c_client *client,
18 	const struct i2c_device_id *id)
19 {
20 	struct regmap_config config;
21 
22 	config = adau1781_regmap_config;
23 	config.val_bits = 8;
24 	config.reg_bits = 16;
25 
26 	return adau1781_probe(&client->dev,
27 		devm_regmap_init_i2c(client, &config),
28 		id->driver_data, NULL);
29 }
30 
31 static int adau1781_i2c_remove(struct i2c_client *client)
32 {
33 	adau17x1_remove(&client->dev);
34 	return 0;
35 }
36 
37 static const struct i2c_device_id adau1781_i2c_ids[] = {
38 	{ "adau1381", ADAU1381 },
39 	{ "adau1781", ADAU1781 },
40 	{ }
41 };
42 MODULE_DEVICE_TABLE(i2c, adau1781_i2c_ids);
43 
44 #if defined(CONFIG_OF)
45 static const struct of_device_id adau1781_i2c_dt_ids[] = {
46 	{ .compatible = "adi,adau1381", },
47 	{ .compatible = "adi,adau1781", },
48 	{ },
49 };
50 MODULE_DEVICE_TABLE(of, adau1781_i2c_dt_ids);
51 #endif
52 
53 static struct i2c_driver adau1781_i2c_driver = {
54 	.driver = {
55 		.name = "adau1781",
56 		.of_match_table = of_match_ptr(adau1781_i2c_dt_ids),
57 	},
58 	.probe = adau1781_i2c_probe,
59 	.remove = adau1781_i2c_remove,
60 	.id_table = adau1781_i2c_ids,
61 };
62 module_i2c_driver(adau1781_i2c_driver);
63 
64 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC I2C driver");
65 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
66 MODULE_LICENSE("GPL");
67