1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * ALSA SoC TLV320AIC23 codec driver I2C interface
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Author: Arun KS, <arunks@mistralsolutions.com>
6*4882a593Smuzhiyun * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Based on sound/soc/codecs/wm8731.c by Richard Purdie
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/i2c.h>
12*4882a593Smuzhiyun #include <linux/module.h>
13*4882a593Smuzhiyun #include <linux/of.h>
14*4882a593Smuzhiyun #include <linux/regmap.h>
15*4882a593Smuzhiyun #include <sound/soc.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #include "tlv320aic23.h"
18*4882a593Smuzhiyun
tlv320aic23_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * i2c_id)19*4882a593Smuzhiyun static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
20*4882a593Smuzhiyun const struct i2c_device_id *i2c_id)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun struct regmap *regmap;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
25*4882a593Smuzhiyun return -EINVAL;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
28*4882a593Smuzhiyun return tlv320aic23_probe(&i2c->dev, regmap);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun static const struct i2c_device_id tlv320aic23_id[] = {
32*4882a593Smuzhiyun {"tlv320aic23", 0},
33*4882a593Smuzhiyun {}
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun static const struct of_device_id tlv320aic23_of_match[] = {
39*4882a593Smuzhiyun { .compatible = "ti,tlv320aic23", },
40*4882a593Smuzhiyun { }
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static struct i2c_driver tlv320aic23_i2c_driver = {
45*4882a593Smuzhiyun .driver = {
46*4882a593Smuzhiyun .name = "tlv320aic23-codec",
47*4882a593Smuzhiyun .of_match_table = of_match_ptr(tlv320aic23_of_match),
48*4882a593Smuzhiyun },
49*4882a593Smuzhiyun .probe = tlv320aic23_i2c_probe,
50*4882a593Smuzhiyun .id_table = tlv320aic23_id,
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun module_i2c_driver(tlv320aic23_i2c_driver);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
56*4882a593Smuzhiyun MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
57*4882a593Smuzhiyun MODULE_LICENSE("GPL");
58