1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2015 Cirrus Logic Inc
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/module.h>
12*4882a593Smuzhiyun #include <linux/i2c.h>
13*4882a593Smuzhiyun #include <linux/acpi.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include "wm8804.h"
16*4882a593Smuzhiyun
wm8804_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)17*4882a593Smuzhiyun static int wm8804_i2c_probe(struct i2c_client *i2c,
18*4882a593Smuzhiyun const struct i2c_device_id *id)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun struct regmap *regmap;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
23*4882a593Smuzhiyun if (IS_ERR(regmap))
24*4882a593Smuzhiyun return PTR_ERR(regmap);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun return wm8804_probe(&i2c->dev, regmap);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun
wm8804_i2c_remove(struct i2c_client * i2c)29*4882a593Smuzhiyun static int wm8804_i2c_remove(struct i2c_client *i2c)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun wm8804_remove(&i2c->dev);
32*4882a593Smuzhiyun return 0;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun static const struct i2c_device_id wm8804_i2c_id[] = {
36*4882a593Smuzhiyun { "wm8804", 0 },
37*4882a593Smuzhiyun { }
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun #if defined(CONFIG_OF)
42*4882a593Smuzhiyun static const struct of_device_id wm8804_of_match[] = {
43*4882a593Smuzhiyun { .compatible = "wlf,wm8804", },
44*4882a593Smuzhiyun { }
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, wm8804_of_match);
47*4882a593Smuzhiyun #endif
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun #ifdef CONFIG_ACPI
50*4882a593Smuzhiyun static const struct acpi_device_id wm8804_acpi_match[] = {
51*4882a593Smuzhiyun { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
52*4882a593Smuzhiyun { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
53*4882a593Smuzhiyun { },
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
56*4882a593Smuzhiyun #endif
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun static struct i2c_driver wm8804_i2c_driver = {
59*4882a593Smuzhiyun .driver = {
60*4882a593Smuzhiyun .name = "wm8804",
61*4882a593Smuzhiyun .pm = &wm8804_pm,
62*4882a593Smuzhiyun .of_match_table = of_match_ptr(wm8804_of_match),
63*4882a593Smuzhiyun .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
64*4882a593Smuzhiyun },
65*4882a593Smuzhiyun .probe = wm8804_i2c_probe,
66*4882a593Smuzhiyun .remove = wm8804_i2c_remove,
67*4882a593Smuzhiyun .id_table = wm8804_i2c_id
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun module_i2c_driver(wm8804_i2c_driver);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
73*4882a593Smuzhiyun MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
74*4882a593Smuzhiyun MODULE_LICENSE("GPL");
75