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
16 static 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
32 static void pcm512x_i2c_remove(struct i2c_client *i2c)
33 {
34 pcm512x_remove(&i2c->dev);
35 }
36
37 static const struct i2c_device_id pcm512x_i2c_id[] = {
38 { "pcm5121", },
39 { "pcm5122", },
40 { "pcm5141", },
41 { "pcm5142", },
42 { "pcm5242", },
43 { "tas5754", },
44 { "tas5756", },
45 { }
46 };
47 MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
48
49 #if defined(CONFIG_OF)
50 static const struct of_device_id pcm512x_of_match[] = {
51 { .compatible = "ti,pcm5121", },
52 { .compatible = "ti,pcm5122", },
53 { .compatible = "ti,pcm5141", },
54 { .compatible = "ti,pcm5142", },
55 { .compatible = "ti,pcm5242", },
56 { .compatible = "ti,tas5754", },
57 { .compatible = "ti,tas5756", },
58 { }
59 };
60 MODULE_DEVICE_TABLE(of, pcm512x_of_match);
61 #endif
62
63 #ifdef CONFIG_ACPI
64 static const struct acpi_device_id pcm512x_acpi_match[] = {
65 { "104C5121", 0 },
66 { "104C5122", 0 },
67 { "104C5141", 0 },
68 { "104C5142", 0 },
69 { },
70 };
71 MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
72 #endif
73
74 static struct i2c_driver pcm512x_i2c_driver = {
75 .probe = pcm512x_i2c_probe,
76 .remove = pcm512x_i2c_remove,
77 .id_table = pcm512x_i2c_id,
78 .driver = {
79 .name = "pcm512x",
80 .of_match_table = of_match_ptr(pcm512x_of_match),
81 .acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
82 .pm = &pcm512x_pm_ops,
83 },
84 };
85
86 module_i2c_driver(pcm512x_i2c_driver);
87
88 MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
89 MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
90 MODULE_LICENSE("GPL v2");
91
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