sound/soc/codecs/tlv320aic32x4-spi.c

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * Copyright 2011-2019 NW Digital Radio
   4  *
   5  * Author: Annaliese McDermond <nh6z@nh6z.net>
   6  *
   7  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
   8  *
   9  */
  10
  11 #include <linux/spi/spi.h>
  12 #include <linux/module.h>
  13 #include <linux/of.h>
  14 #include <linux/regmap.h>
  15 #include <sound/soc.h>
  16
  17 #include "tlv320aic32x4.h"
  18
  19 static int aic32x4_spi_probe(struct spi_device *spi)
  20 {
  21         struct regmap *regmap;
  22         struct regmap_config config;
  23
  24         config = aic32x4_regmap_config;
  25         config.reg_bits = 7;
  26         config.pad_bits = 1;
  27         config.val_bits = 8;
  28         config.read_flag_mask = 0x01;
  29
  30         regmap = devm_regmap_init_spi(spi, &config);
  31         return aic32x4_probe(&spi->dev, regmap);
  32 }
  33
  34 static int aic32x4_spi_remove(struct spi_device *spi)
  35 {
  36         return aic32x4_remove(&spi->dev);
  37 }
  38
  39 static const struct spi_device_id aic32x4_spi_id[] = {
  40         { "tlv320aic32x4", 0 },
  41         { "tlv320aic32x6", 1 },
  42         { /* sentinel */ }
  43 };
  44 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
  45
  46 static const struct of_device_id aic32x4_of_id[] = {
  47         { .compatible = "ti,tlv320aic32x4", },
  48         { .compatible = "ti,tlv320aic32x6", },
  49         { /* senitel */ }
  50 };
  51 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
  52
  53 static struct spi_driver aic32x4_spi_driver = {
  54         .driver = {
  55                 .name = "tlv320aic32x4",
  56                 .owner = THIS_MODULE,
  57                 .of_match_table = aic32x4_of_id,
  58         },
  59         .probe =    aic32x4_spi_probe,
  60         .remove =   aic32x4_spi_remove,
  61         .id_table = aic32x4_spi_id,
  62 };
  63
  64 module_spi_driver(aic32x4_spi_driver);
  65
  66 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
  67 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
  68 MODULE_LICENSE("GPL");