2 * Driver for the PCM512x CODECs
4 * Author: Mark Brown <broonie@kernel.org>
5 * Copyright 2014 Linaro Ltd
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/i2c.h>
20 #include <linux/acpi.h>
24 static int pcm512x_i2c_probe(struct i2c_client *i2c,
25 const struct i2c_device_id *id)
27 struct regmap *regmap;
28 struct regmap_config config = pcm512x_regmap;
30 /* msb needs to be set to enable auto-increment of addresses */
31 config.read_flag_mask = 0x80;
32 config.write_flag_mask = 0x80;
34 regmap = devm_regmap_init_i2c(i2c, &config);
36 return PTR_ERR(regmap);
38 return pcm512x_probe(&i2c->dev, regmap);
41 static int pcm512x_i2c_remove(struct i2c_client *i2c)
43 pcm512x_remove(&i2c->dev);
47 static const struct i2c_device_id pcm512x_i2c_id[] = {
54 MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
56 #if defined(CONFIG_OF)
57 static const struct of_device_id pcm512x_of_match[] = {
58 { .compatible = "ti,pcm5121", },
59 { .compatible = "ti,pcm5122", },
60 { .compatible = "ti,pcm5141", },
61 { .compatible = "ti,pcm5142", },
64 MODULE_DEVICE_TABLE(of, pcm512x_of_match);
68 static const struct acpi_device_id pcm512x_acpi_match[] = {
75 MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
78 static struct i2c_driver pcm512x_i2c_driver = {
79 .probe = pcm512x_i2c_probe,
80 .remove = pcm512x_i2c_remove,
81 .id_table = pcm512x_i2c_id,
84 .of_match_table = of_match_ptr(pcm512x_of_match),
85 .acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
86 .pm = &pcm512x_pm_ops,
90 module_i2c_driver(pcm512x_i2c_driver);
92 MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
93 MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
94 MODULE_LICENSE("GPL v2");