sound/soc/codecs/tlv320aic3x-i2c.c

   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");