1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
4 *
5 * Copyright 2015 Cirrus Logic Inc
6 *
7 * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
8 */
9
10#include <linux/init.h>
11#include <linux/module.h>
12#include <linux/i2c.h>
13#include <linux/acpi.h>
14
15#include "wm8804.h"
16
17static int wm8804_i2c_probe(struct i2c_client *i2c,
18			    const struct i2c_device_id *id)
19{
20	struct regmap *regmap;
21
22	regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
23	if (IS_ERR(regmap))
24		return PTR_ERR(regmap);
25
26	return wm8804_probe(&i2c->dev, regmap);
27}
28
29static int wm8804_i2c_remove(struct i2c_client *i2c)
30{
31	wm8804_remove(&i2c->dev);
32	return 0;
33}
34
35static const struct i2c_device_id wm8804_i2c_id[] = {
36	{ "wm8804", 0 },
37	{ }
38};
39MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
40
41#if defined(CONFIG_OF)
42static const struct of_device_id wm8804_of_match[] = {
43	{ .compatible = "wlf,wm8804", },
44	{ }
45};
46MODULE_DEVICE_TABLE(of, wm8804_of_match);
47#endif
48
49#ifdef CONFIG_ACPI
50static const struct acpi_device_id wm8804_acpi_match[] = {
51	{ "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
52	{ "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
53	{ },
54};
55MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
56#endif
57
58static struct i2c_driver wm8804_i2c_driver = {
59	.driver = {
60		.name = "wm8804",
61		.pm = &wm8804_pm,
62		.of_match_table = of_match_ptr(wm8804_of_match),
63		.acpi_match_table = ACPI_PTR(wm8804_acpi_match),
64	},
65	.probe = wm8804_i2c_probe,
66	.remove = wm8804_i2c_remove,
67	.id_table = wm8804_i2c_id
68};
69
70module_i2c_driver(wm8804_i2c_driver);
71
72MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
73MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
74MODULE_LICENSE("GPL");
75