LXR linux/sound/soc/codecs/pcm512x-i2c.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Driver for the PCM512x CODECs
   4 *
   5 * Author:      Mark Brown <broonie@kernel.org>
   6 *              Copyright 2014 Linaro Ltd
   7 */
   8
   9#include <linux/init.h>
  10#include <linux/module.h>
  11#include <linux/i2c.h>
  12#include <linux/acpi.h>
  13
  14#include "pcm512x.h"
  15
  16static int pcm512x_i2c_probe(struct i2c_client *i2c,
  17                             const struct i2c_device_id *id)
  18{
  19        struct regmap *regmap;
  20        struct regmap_config config = pcm512x_regmap;
  21
  22        /* msb needs to be set to enable auto-increment of addresses */
  23        config.read_flag_mask = 0x80;
  24        config.write_flag_mask = 0x80;
  25
  26        regmap = devm_regmap_init_i2c(i2c, &config);
  27        if (IS_ERR(regmap))
  28                return PTR_ERR(regmap);
  29
  30        return pcm512x_probe(&i2c->dev, regmap);
  31}
  32
  33static int pcm512x_i2c_remove(struct i2c_client *i2c)
  34{
  35        pcm512x_remove(&i2c->dev);
  36        return 0;
  37}
  38
  39static const struct i2c_device_id pcm512x_i2c_id[] = {
  40        { "pcm5121", },
  41        { "pcm5122", },
  42        { "pcm5141", },
  43        { "pcm5142", },
  44        { }
  45};
  46MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
  47
  48#if defined(CONFIG_OF)
  49static const struct of_device_id pcm512x_of_match[] = {
  50        { .compatible = "ti,pcm5121", },
  51        { .compatible = "ti,pcm5122", },
  52        { .compatible = "ti,pcm5141", },
  53        { .compatible = "ti,pcm5142", },
  54        { }
  55};
  56MODULE_DEVICE_TABLE(of, pcm512x_of_match);
  57#endif
  58
  59#ifdef CONFIG_ACPI
  60static const struct acpi_device_id pcm512x_acpi_match[] = {
  61        { "104C5121", 0 },
  62        { "104C5122", 0 },
  63        { "104C5141", 0 },
  64        { "104C5142", 0 },
  65        { },
  66};
  67MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
  68#endif
  69
  70static struct i2c_driver pcm512x_i2c_driver = {
  71        .probe          = pcm512x_i2c_probe,
  72        .remove         = pcm512x_i2c_remove,
  73        .id_table       = pcm512x_i2c_id,
  74        .driver         = {
  75                .name   = "pcm512x",
  76                .of_match_table = of_match_ptr(pcm512x_of_match),
  77                .acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
  78                .pm     = &pcm512x_pm_ops,
  79        },
  80};
  81
  82module_i2c_driver(pcm512x_i2c_driver);
  83
  84MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
  85MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
  86MODULE_LICENSE("GPL v2");
  87