1 /*
2 * linux/sound/soc/codecs/tlv320aic32x4-i2c.c
3 *
4 * Copyright 2011 NW Digital Radio
5 *
6 * Author: Jeremy McDermond <nh6z@nh6z.net>
7 *
8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21 #include <linux/i2c.h>
22 #include <linux/module.h>
23 #include <linux/of.h>
24 #include <linux/regmap.h>
25 #include <sound/soc.h>
26
27 #include "tlv320aic32x4.h"
28
aic32x4_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)29 static int aic32x4_i2c_probe(struct i2c_client *i2c,
30 const struct i2c_device_id *id)
31 {
32 struct regmap *regmap;
33 struct regmap_config config;
34
35 config = aic32x4_regmap_config;
36 config.reg_bits = 8;
37 config.val_bits = 8;
38
39 regmap = devm_regmap_init_i2c(i2c, &config);
40 return aic32x4_probe(&i2c->dev, regmap);
41 }
42
aic32x4_i2c_remove(struct i2c_client * i2c)43 static int aic32x4_i2c_remove(struct i2c_client *i2c)
44 {
45 return aic32x4_remove(&i2c->dev);
46 }
47
48 static const struct i2c_device_id aic32x4_i2c_id[] = {
49 { "tlv320aic32x4", 0 },
50 { "tlv320aic32x6", 1 },
51 { /* sentinel */ }
52 };
53 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
54
55 static const struct of_device_id aic32x4_of_id[] = {
56 { .compatible = "ti,tlv320aic32x4", },
57 { .compatible = "ti,tlv320aic32x6", },
58 { /* senitel */ }
59 };
60 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
61
62 static struct i2c_driver aic32x4_i2c_driver = {
63 .driver = {
64 .name = "tlv320aic32x4",
65 .of_match_table = aic32x4_of_id,
66 },
67 .probe = aic32x4_i2c_probe,
68 .remove = aic32x4_i2c_remove,
69 .id_table = aic32x4_i2c_id,
70 };
71
72 module_i2c_driver(aic32x4_i2c_driver);
73
74 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
75 MODULE_AUTHOR("Jeremy McDermond <nh6z@nh6z.net>");
76 MODULE_LICENSE("GPL");
77