LXR linux/sound/soc/codecs/pcm179x-spi.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * PCM179X ASoC SPI driver
   4 *
   5 * Copyright (c) Amarula Solutions B.V. 2013
   6 *
   7 *     Michael Trimarchi <michael@amarulasolutions.com>
   8 */
   9
  10#include <linux/module.h>
  11#include <linux/of.h>
  12#include <linux/spi/spi.h>
  13#include <linux/regmap.h>
  14
  15#include "pcm179x.h"
  16
  17static int pcm179x_spi_probe(struct spi_device *spi)
  18{
  19        struct regmap *regmap;
  20        int ret;
  21
  22        regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
  23        if (IS_ERR(regmap)) {
  24                ret = PTR_ERR(regmap);
  25                dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
  26                return ret;
  27        }
  28
  29        return pcm179x_common_init(&spi->dev, regmap);
  30}
  31
  32static const struct of_device_id pcm179x_of_match[] = {
  33        { .compatible = "ti,pcm1792a", },
  34        { }
  35};
  36MODULE_DEVICE_TABLE(of, pcm179x_of_match);
  37
  38static const struct spi_device_id pcm179x_spi_ids[] = {
  39        { "pcm1792a", 0 },
  40        { "pcm179x", 0 },
  41        { },
  42};
  43MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
  44
  45static struct spi_driver pcm179x_spi_driver = {
  46        .driver = {
  47                .name = "pcm179x",
  48                .of_match_table = of_match_ptr(pcm179x_of_match),
  49        },
  50        .id_table = pcm179x_spi_ids,
  51        .probe = pcm179x_spi_probe,
  52};
  53
  54module_spi_driver(pcm179x_spi_driver);
  55
  56MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
  57MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
  58MODULE_LICENSE("GPL");
  59