1 /* SPDX-License-Identifier: GPL-2.0-only
2  *
3  * ALSA SoC TLV320AIC3x codec driver I2C interface
4  *
5  * Author:      Arun KS, <arunks@mistralsolutions.com>
6  * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
7  *
8  * Based on sound/soc/codecs/wm8731.c by Richard Purdie
9  *
10  */
11 
12 #include <linux/i2c.h>
13 #include <linux/module.h>
14 #include <linux/of.h>
15 #include <linux/regmap.h>
16 #include <sound/soc.h>
17 
18 #include "tlv320aic3x.h"
19 
20 static const struct i2c_device_id aic3x_i2c_id[] = {
21 	{ "tlv320aic3x", AIC3X_MODEL_3X },
22 	{ "tlv320aic33", AIC3X_MODEL_33 },
23 	{ "tlv320aic3007", AIC3X_MODEL_3007 },
24 	{ "tlv320aic3104", AIC3X_MODEL_3104 },
25 	{ "tlv320aic3106", AIC3X_MODEL_3106 },
26 	{ }
27 };
28 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
29 
30 static int aic3x_i2c_probe(struct i2c_client *i2c)
31 {
32 	struct regmap *regmap;
33 	struct regmap_config config;
34 	const struct i2c_device_id *id = i2c_match_id(aic3x_i2c_id, i2c);
35 
36 	config = aic3x_regmap;
37 	config.reg_bits = 8;
38 	config.val_bits = 8;
39 
40 	regmap = devm_regmap_init_i2c(i2c, &config);
41 	return aic3x_probe(&i2c->dev, regmap, id->driver_data);
42 }
43 
44 static void aic3x_i2c_remove(struct i2c_client *i2c)
45 {
46 	aic3x_remove(&i2c->dev);
47 }
48 
49 static const struct of_device_id aic3x_of_id[] = {
50 	{ .compatible = "ti,tlv320aic3x", },
51 	{ .compatible = "ti,tlv320aic33" },
52 	{ .compatible = "ti,tlv320aic3007" },
53 	{ .compatible = "ti,tlv320aic3104" },
54 	{ .compatible = "ti,tlv320aic3106" },
55 	{},
56 };
57 MODULE_DEVICE_TABLE(of, aic3x_of_id);
58 
59 static struct i2c_driver aic3x_i2c_driver = {
60 	.driver = {
61 		.name = "tlv320aic3x",
62 		.of_match_table = aic3x_of_id,
63 	},
64 	.probe = aic3x_i2c_probe,
65 	.remove = aic3x_i2c_remove,
66 	.id_table = aic3x_i2c_id,
67 };
68 
69 module_i2c_driver(aic3x_i2c_driver);
70 
71 MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver I2C");
72 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
73 MODULE_LICENSE("GPL");
74