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
17 static int wm8804_i2c_probe(struct i2c_client *i2c)
18 {
19 struct regmap *regmap;
20
21 regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
22 if (IS_ERR(regmap))
23 return PTR_ERR(regmap);
24
25 return wm8804_probe(&i2c->dev, regmap);
26 }
27
28 static void wm8804_i2c_remove(struct i2c_client *i2c)
29 {
30 wm8804_remove(&i2c->dev);
31 }
32
33 static const struct i2c_device_id wm8804_i2c_id[] = {
34 { "wm8804" },
35 { }
36 };
37 MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
38
39 #if defined(CONFIG_OF)
40 static const struct of_device_id wm8804_of_match[] = {
41 { .compatible = "wlf,wm8804", },
42 { }
43 };
44 MODULE_DEVICE_TABLE(of, wm8804_of_match);
45 #endif
46
47 #ifdef CONFIG_ACPI
48 static const struct acpi_device_id wm8804_acpi_match[] = {
49 { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
50 { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
51 { },
52 };
53 MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
54 #endif
55
56 static struct i2c_driver wm8804_i2c_driver = {
57 .driver = {
58 .name = "wm8804",
59 .pm = &wm8804_pm,
60 .of_match_table = of_match_ptr(wm8804_of_match),
61 .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
62 },
63 .probe = wm8804_i2c_probe,
64 .remove = wm8804_i2c_remove,
65 .id_table = wm8804_i2c_id
66 };
67
68 module_i2c_driver(wm8804_i2c_driver);
69
70 MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
71 MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
72 MODULE_LICENSE("GPL");
73
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