sound/soc/codecs/ssm2602-i2c.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * SSM2602/SSM2603/SSM2604 I2C audio driver
   4  *
   5  * Copyright 2014 Analog Devices Inc.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/i2c.h>
  10 #include <linux/regmap.h>
  11
  12 #include <sound/soc.h>
  13
  14 #include "ssm2602.h"
  15
  16 /*
  17  * ssm2602 2 wire address is determined by GPIO5
  18  * state during powerup.
  19  *    low  = 0x1a
  20  *    high = 0x1b
  21  */
  22 static int ssm2602_i2c_probe(struct i2c_client *client,
  23                              const struct i2c_device_id *id)
  24 {
  25         return ssm2602_probe(&client->dev, id->driver_data,
  26                 devm_regmap_init_i2c(client, &ssm2602_regmap_config));
  27 }
  28
  29 static const struct i2c_device_id ssm2602_i2c_id[] = {
  30         { "ssm2602", SSM2602 },
  31         { "ssm2603", SSM2602 },
  32         { "ssm2604", SSM2604 },
  33         { }
  34 };
  35 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
  36
  37 static const struct of_device_id ssm2602_of_match[] = {
  38         { .compatible = "adi,ssm2602", },
  39         { .compatible = "adi,ssm2603", },
  40         { .compatible = "adi,ssm2604", },
  41         { }
  42 };
  43 MODULE_DEVICE_TABLE(of, ssm2602_of_match);
  44
  45 static struct i2c_driver ssm2602_i2c_driver = {
  46         .driver = {
  47                 .name = "ssm2602",
  48                 .of_match_table = ssm2602_of_match,
  49         },
  50         .probe = ssm2602_i2c_probe,
  51         .id_table = ssm2602_i2c_id,
  52 };
  53 module_i2c_driver(ssm2602_i2c_driver);
  54
  55 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
  56 MODULE_AUTHOR("Cliff Cai");
  57 MODULE_LICENSE("GPL");