codecs/pcm5102a.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Driver for the PCM5102A codec
   4  *
   5  * Author:      Florian Meier <florian.meier@koalo.de>
   6  *              Copyright 2013
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/module.h>
  11 #include <linux/platform_device.h>
  12
  13 #include <sound/soc.h>
  14
  15 static struct snd_soc_dai_driver pcm5102a_dai = {
  16         .name = "pcm5102a-hifi",
  17         .playback = {
  18                 .channels_min = 2,
  19                 .channels_max = 2,
  20                 .rates = SNDRV_PCM_RATE_8000_384000,
  21                 .formats = SNDRV_PCM_FMTBIT_S16_LE |
  22                            SNDRV_PCM_FMTBIT_S24_LE |
  23                            SNDRV_PCM_FMTBIT_S32_LE
  24         },
  25 };
  26
  27 static struct snd_soc_component_driver soc_component_dev_pcm5102a = {
  28         .idle_bias_on           = 1,
  29         .use_pmdown_time        = 1,
  30         .endianness             = 1,
  31 };
  32
  33 static int pcm5102a_probe(struct platform_device *pdev)
  34 {
  35         return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm5102a,
  36                         &pcm5102a_dai, 1);
  37 }
  38
  39 static const struct of_device_id pcm5102a_of_match[] = {
  40         { .compatible = "ti,pcm5102a", },
  41         { }
  42 };
  43 MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
  44
  45 static struct platform_driver pcm5102a_codec_driver = {
  46         .probe          = pcm5102a_probe,
  47         .driver         = {
  48                 .name   = "pcm5102a-codec",
  49                 .of_match_table = pcm5102a_of_match,
  50         },
  51 };
  52
  53 module_platform_driver(pcm5102a_codec_driver);
  54
  55 MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
  56 MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
  57 MODULE_LICENSE("GPL v2");