1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Driver for the PCM512x CODECs
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Author: Mark Brown <broonie@kernel.org>
6*4882a593Smuzhiyun * Copyright 2014 Linaro Ltd
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/init.h>
10*4882a593Smuzhiyun #include <linux/module.h>
11*4882a593Smuzhiyun #include <linux/i2c.h>
12*4882a593Smuzhiyun #include <linux/acpi.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "pcm512x.h"
15*4882a593Smuzhiyun
pcm512x_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)16*4882a593Smuzhiyun static int pcm512x_i2c_probe(struct i2c_client *i2c,
17*4882a593Smuzhiyun const struct i2c_device_id *id)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun struct regmap *regmap;
20*4882a593Smuzhiyun struct regmap_config config = pcm512x_regmap;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /* msb needs to be set to enable auto-increment of addresses */
23*4882a593Smuzhiyun config.read_flag_mask = 0x80;
24*4882a593Smuzhiyun config.write_flag_mask = 0x80;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun regmap = devm_regmap_init_i2c(i2c, &config);
27*4882a593Smuzhiyun if (IS_ERR(regmap))
28*4882a593Smuzhiyun return PTR_ERR(regmap);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun return pcm512x_probe(&i2c->dev, regmap);
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
pcm512x_i2c_remove(struct i2c_client * i2c)33*4882a593Smuzhiyun static int pcm512x_i2c_remove(struct i2c_client *i2c)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun pcm512x_remove(&i2c->dev);
36*4882a593Smuzhiyun return 0;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static const struct i2c_device_id pcm512x_i2c_id[] = {
40*4882a593Smuzhiyun { "pcm5121", },
41*4882a593Smuzhiyun { "pcm5122", },
42*4882a593Smuzhiyun { "pcm5141", },
43*4882a593Smuzhiyun { "pcm5142", },
44*4882a593Smuzhiyun { }
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun #if defined(CONFIG_OF)
49*4882a593Smuzhiyun static const struct of_device_id pcm512x_of_match[] = {
50*4882a593Smuzhiyun { .compatible = "ti,pcm5121", },
51*4882a593Smuzhiyun { .compatible = "ti,pcm5122", },
52*4882a593Smuzhiyun { .compatible = "ti,pcm5141", },
53*4882a593Smuzhiyun { .compatible = "ti,pcm5142", },
54*4882a593Smuzhiyun { }
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, pcm512x_of_match);
57*4882a593Smuzhiyun #endif
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun #ifdef CONFIG_ACPI
60*4882a593Smuzhiyun static const struct acpi_device_id pcm512x_acpi_match[] = {
61*4882a593Smuzhiyun { "104C5121", 0 },
62*4882a593Smuzhiyun { "104C5122", 0 },
63*4882a593Smuzhiyun { "104C5141", 0 },
64*4882a593Smuzhiyun { "104C5142", 0 },
65*4882a593Smuzhiyun { },
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
68*4882a593Smuzhiyun #endif
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun static struct i2c_driver pcm512x_i2c_driver = {
71*4882a593Smuzhiyun .probe = pcm512x_i2c_probe,
72*4882a593Smuzhiyun .remove = pcm512x_i2c_remove,
73*4882a593Smuzhiyun .id_table = pcm512x_i2c_id,
74*4882a593Smuzhiyun .driver = {
75*4882a593Smuzhiyun .name = "pcm512x",
76*4882a593Smuzhiyun .of_match_table = of_match_ptr(pcm512x_of_match),
77*4882a593Smuzhiyun .acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
78*4882a593Smuzhiyun .pm = &pcm512x_pm_ops,
79*4882a593Smuzhiyun },
80*4882a593Smuzhiyun };
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun module_i2c_driver(pcm512x_i2c_driver);
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
85*4882a593Smuzhiyun MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
86*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
87