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