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