sound/soc/codecs/pcm186x-spi.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Texas Instruments PCM186x Universal Audio ADC - SPI
   4  *
   5  * Copyright (C) 2015-2017 Texas Instruments Incorporated - http://www.ti.com
   6  *      Andreas Dannenberg <dannenberg@ti.com>
   7  *      Andrew F. Davis <afd@ti.com>
   8  */
   9
  10 #include <linux/init.h>
  11 #include <linux/module.h>
  12 #include <linux/spi/spi.h>
  13
  14 #include "pcm186x.h"
  15
  16 static const struct of_device_id pcm186x_of_match[] = {
  17         { .compatible = "ti,pcm1862", .data = (void *)PCM1862 },
  18         { .compatible = "ti,pcm1863", .data = (void *)PCM1863 },
  19         { .compatible = "ti,pcm1864", .data = (void *)PCM1864 },
  20         { .compatible = "ti,pcm1865", .data = (void *)PCM1865 },
  21         { }
  22 };
  23 MODULE_DEVICE_TABLE(of, pcm186x_of_match);
  24
  25 static int pcm186x_spi_probe(struct spi_device *spi)
  26 {
  27         const enum pcm186x_type type =
  28                          (enum pcm186x_type)spi_get_device_id(spi)->driver_data;
  29         int irq = spi->irq;
  30         struct regmap *regmap;
  31
  32         regmap = devm_regmap_init_spi(spi, &pcm186x_regmap);
  33         if (IS_ERR(regmap))
  34                 return PTR_ERR(regmap);
  35
  36         return pcm186x_probe(&spi->dev, type, irq, regmap);
  37 }
  38
  39 static const struct spi_device_id pcm186x_spi_id[] = {
  40         { "pcm1862", PCM1862 },
  41         { "pcm1863", PCM1863 },
  42         { "pcm1864", PCM1864 },
  43         { "pcm1865", PCM1865 },
  44         { }
  45 };
  46 MODULE_DEVICE_TABLE(spi, pcm186x_spi_id);
  47
  48 static struct spi_driver pcm186x_spi_driver = {
  49         .probe          = pcm186x_spi_probe,
  50         .id_table       = pcm186x_spi_id,
  51         .driver         = {
  52                 .name   = "pcm186x",
  53                 .of_match_table = pcm186x_of_match,
  54         },
  55 };
  56 module_spi_driver(pcm186x_spi_driver);
  57
  58 MODULE_AUTHOR("Andreas Dannenberg <dannenberg@ti.com>");
  59 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
  60 MODULE_DESCRIPTION("PCM186x Universal Audio ADC SPI Interface Driver");
  61 MODULE_LICENSE("GPL v2");