xref: /openbmc/linux/sound/soc/codecs/adau1781-i2c.c (revision 2540d3c9)
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 const struct i2c_device_id adau1781_i2c_ids[];
18 
19 static int adau1781_i2c_probe(struct i2c_client *client)
20 {
21 	struct regmap_config config;
22 	const struct i2c_device_id *id = i2c_match_id(adau1781_i2c_ids, client);
23 
24 	config = adau1781_regmap_config;
25 	config.val_bits = 8;
26 	config.reg_bits = 16;
27 
28 	return adau1781_probe(&client->dev,
29 		devm_regmap_init_i2c(client, &config),
30 		id->driver_data, NULL);
31 }
32 
33 static int adau1781_i2c_remove(struct i2c_client *client)
34 {
35 	adau17x1_remove(&client->dev);
36 	return 0;
37 }
38 
39 static const struct i2c_device_id adau1781_i2c_ids[] = {
40 	{ "adau1381", ADAU1381 },
41 	{ "adau1781", ADAU1781 },
42 	{ }
43 };
44 MODULE_DEVICE_TABLE(i2c, adau1781_i2c_ids);
45 
46 #if defined(CONFIG_OF)
47 static const struct of_device_id adau1781_i2c_dt_ids[] = {
48 	{ .compatible = "adi,adau1381", },
49 	{ .compatible = "adi,adau1781", },
50 	{ },
51 };
52 MODULE_DEVICE_TABLE(of, adau1781_i2c_dt_ids);
53 #endif
54 
55 static struct i2c_driver adau1781_i2c_driver = {
56 	.driver = {
57 		.name = "adau1781",
58 		.of_match_table = of_match_ptr(adau1781_i2c_dt_ids),
59 	},
60 	.probe_new = adau1781_i2c_probe,
61 	.remove = adau1781_i2c_remove,
62 	.id_table = adau1781_i2c_ids,
63 };
64 module_i2c_driver(adau1781_i2c_driver);
65 
66 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC I2C driver");
67 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
68 MODULE_LICENSE("GPL");
69