sound/soc/codecs/pcm512x-spi.c

   1 /*
   2  * Driver for the PCM512x CODECs
   3  *
   4  * Author:      Mark Brown <broonie@linaro.org>
   5  *              Copyright 2014 Linaro Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  */
  16
  17 #include <linux/init.h>
  18 #include <linux/module.h>
  19 #include <linux/spi/spi.h>
  20
  21 #include "pcm512x.h"
  22
  23 static int pcm512x_spi_probe(struct spi_device *spi)
  24 {
  25         struct regmap *regmap;
  26         int ret;
  27
  28         regmap = devm_regmap_init_spi(spi, &pcm512x_regmap);
  29         if (IS_ERR(regmap)) {
  30                 ret = PTR_ERR(regmap);
  31                 return ret;
  32         }
  33
  34         return pcm512x_probe(&spi->dev, regmap);
  35 }
  36
  37 static int pcm512x_spi_remove(struct spi_device *spi)
  38 {
  39         pcm512x_remove(&spi->dev);
  40         return 0;
  41 }
  42
  43 static const struct spi_device_id pcm512x_spi_id[] = {
  44         { "pcm5121", },
  45         { "pcm5122", },
  46         { "pcm5141", },
  47         { "pcm5142", },
  48         { },
  49 };
  50 MODULE_DEVICE_TABLE(spi, pcm512x_spi_id);
  51
  52 static const struct of_device_id pcm512x_of_match[] = {
  53         { .compatible = "ti,pcm5121", },
  54         { .compatible = "ti,pcm5122", },
  55         { .compatible = "ti,pcm5141", },
  56         { .compatible = "ti,pcm5142", },
  57         { }
  58 };
  59 MODULE_DEVICE_TABLE(of, pcm512x_of_match);
  60
  61 static struct spi_driver pcm512x_spi_driver = {
  62         .probe          = pcm512x_spi_probe,
  63         .remove         = pcm512x_spi_remove,
  64         .id_table       = pcm512x_spi_id,
  65         .driver = {
  66                 .name   = "pcm512x",
  67                 .of_match_table = pcm512x_of_match,
  68                 .pm     = &pcm512x_pm_ops,
  69         },
  70 };
  71
  72 module_spi_driver(pcm512x_spi_driver);
  73
  74 MODULE_DESCRIPTION("ASoC PCM512x codec driver - SPI");
  75 MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
  76 MODULE_LICENSE("GPL v2");