1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C
5 * Copyright 2015 Cirrus Logic Inc
7 * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
10 #include <linux/init.h>
11 #include <linux/module.h>
12 #include <linux/i2c.h>
13 #include <linux/acpi.h>
17 static int wm8804_i2c_probe(struct i2c_client *i2c)
19 struct regmap *regmap;
21 regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
23 return PTR_ERR(regmap);
25 return wm8804_probe(&i2c->dev, regmap);
28 static int wm8804_i2c_remove(struct i2c_client *i2c)
30 wm8804_remove(&i2c->dev);
34 static const struct i2c_device_id wm8804_i2c_id[] = {
38 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
40 #if defined(CONFIG_OF)
41 static const struct of_device_id wm8804_of_match[] = {
42 { .compatible = "wlf,wm8804", },
45 MODULE_DEVICE_TABLE(of, wm8804_of_match);
49 static const struct acpi_device_id wm8804_acpi_match[] = {
50 { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
51 { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
54 MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
57 static struct i2c_driver wm8804_i2c_driver = {
61 .of_match_table = of_match_ptr(wm8804_of_match),
62 .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
64 .probe_new = wm8804_i2c_probe,
65 .remove = wm8804_i2c_remove,
66 .id_table = wm8804_i2c_id
69 module_i2c_driver(wm8804_i2c_driver);
71 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
72 MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
73 MODULE_LICENSE("GPL");