sound/soc/codecs/tlv320aic32x4-i2c.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/i2c.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_i2c_probe(struct i2c_client *i2c)
  20 {
  21         struct regmap *regmap;
  22         struct regmap_config config;
  23         enum aic32x4_type type;
  24
  25         config = aic32x4_regmap_config;
  26         config.reg_bits = 8;
  27         config.val_bits = 8;
  28
  29         regmap = devm_regmap_init_i2c(i2c, &config);
  30         type = (uintptr_t)i2c_get_match_data(i2c);
  31
  32         return aic32x4_probe(&i2c->dev, regmap, type);
  33 }
  34
  35 static void aic32x4_i2c_remove(struct i2c_client *i2c)
  36 {
  37         aic32x4_remove(&i2c->dev);
  38 }
  39
  40 static const struct i2c_device_id aic32x4_i2c_id[] = {
  41         { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
  42         { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
  43         { "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 },
  44         { /* sentinel */ }
  45 };
  46 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
  47
  48 static const struct of_device_id aic32x4_of_id[] = {
  49         { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
  50         { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
  51         { .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 },
  52         { /* senitel */ }
  53 };
  54 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
  55
  56 static struct i2c_driver aic32x4_i2c_driver = {
  57         .driver = {
  58                 .name = "tlv320aic32x4",
  59                 .of_match_table = aic32x4_of_id,
  60         },
  61         .probe =    aic32x4_i2c_probe,
  62         .remove =   aic32x4_i2c_remove,
  63         .id_table = aic32x4_i2c_id,
  64 };
  65
  66 module_i2c_driver(aic32x4_i2c_driver);
  67
  68 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
  69 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
  70 MODULE_LICENSE("GPL");