LXR linux/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 */
  22static 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
  29static const struct i2c_device_id ssm2602_i2c_id[] = {
  30        { "ssm2602", SSM2602 },
  31        { "ssm2603", SSM2602 },
  32        { "ssm2604", SSM2604 },
  33        { }
  34};
  35MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
  36
  37static const struct of_device_id ssm2602_of_match[] = {
  38        { .compatible = "adi,ssm2602", },
  39        { .compatible = "adi,ssm2603", },
  40        { .compatible = "adi,ssm2604", },
  41        { }
  42};
  43MODULE_DEVICE_TABLE(of, ssm2602_of_match);
  44
  45static 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};
  53module_i2c_driver(ssm2602_i2c_driver);
  54
  55MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
  56MODULE_AUTHOR("Cliff Cai");
  57MODULE_LICENSE("GPL");
  58