sound/soc/codecs/pcm1789-i2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Audio driver for PCM1789 I2C
   3 // Copyright (C) 2018 Bootlin
   4 // Mylène Josserand <mylene.josserand@bootlin.com>
   5
   6 #include <linux/clk.h>
   7 #include <linux/delay.h>
   8 #include <linux/i2c.h>
   9 #include <linux/module.h>
  10 #include <linux/of.h>
  11 #include <linux/regmap.h>
  12
  13 #include "pcm1789.h"
  14
  15 static int pcm1789_i2c_probe(struct i2c_client *client)
  16 {
  17         struct regmap *regmap;
  18         int ret;
  19
  20         regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config);
  21         if (IS_ERR(regmap)) {
  22                 ret = PTR_ERR(regmap);
  23                 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
  24                 return ret;
  25         }
  26
  27         return pcm1789_common_init(&client->dev, regmap);
  28 }
  29
  30 static void pcm1789_i2c_remove(struct i2c_client *client)
  31 {
  32         pcm1789_common_exit(&client->dev);
  33 }
  34
  35 #ifdef CONFIG_OF
  36 static const struct of_device_id pcm1789_of_match[] = {
  37         { .compatible = "ti,pcm1789", },
  38         { }
  39 };
  40 MODULE_DEVICE_TABLE(of, pcm1789_of_match);
  41 #endif
  42
  43 static const struct i2c_device_id pcm1789_i2c_ids[] = {
  44         { "pcm1789" },
  45         { }
  46 };
  47 MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids);
  48
  49 static struct i2c_driver pcm1789_i2c_driver = {
  50         .driver = {
  51                 .name   = "pcm1789",
  52                 .of_match_table = of_match_ptr(pcm1789_of_match),
  53         },
  54         .id_table       = pcm1789_i2c_ids,
  55         .probe          = pcm1789_i2c_probe,
  56         .remove = pcm1789_i2c_remove,
  57 };
  58
  59 module_i2c_driver(pcm1789_i2c_driver);
  60
  61 MODULE_DESCRIPTION("ASoC PCM1789 I2C driver");
  62 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>");
  63 MODULE_LICENSE("GPL");