xref: /openbmc/linux/sound/soc/codecs/pcm512x-spi.c (revision e2c75e76)
1 /*
2  * Driver for the PCM512x CODECs
3  *
4  * Author:	Mark Brown <broonie@kernel.org>
5  *		Copyright 2014 Linaro Ltd
6  *
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.
10  *
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.
15  */
16 
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/spi/spi.h>
20 
21 #include "pcm512x.h"
22 
23 static int pcm512x_spi_probe(struct spi_device *spi)
24 {
25 	struct regmap *regmap;
26 	int ret;
27 
28 	regmap = devm_regmap_init_spi(spi, &pcm512x_regmap);
29 	if (IS_ERR(regmap)) {
30 		ret = PTR_ERR(regmap);
31 		return ret;
32 	}
33 
34 	return pcm512x_probe(&spi->dev, regmap);
35 }
36 
37 static int pcm512x_spi_remove(struct spi_device *spi)
38 {
39 	pcm512x_remove(&spi->dev);
40 	return 0;
41 }
42 
43 static const struct spi_device_id pcm512x_spi_id[] = {
44 	{ "pcm5121", },
45 	{ "pcm5122", },
46 	{ "pcm5141", },
47 	{ "pcm5142", },
48 	{ },
49 };
50 MODULE_DEVICE_TABLE(spi, pcm512x_spi_id);
51 
52 static const struct of_device_id pcm512x_of_match[] = {
53 	{ .compatible = "ti,pcm5121", },
54 	{ .compatible = "ti,pcm5122", },
55 	{ .compatible = "ti,pcm5141", },
56 	{ .compatible = "ti,pcm5142", },
57 	{ }
58 };
59 MODULE_DEVICE_TABLE(of, pcm512x_of_match);
60 
61 static struct spi_driver pcm512x_spi_driver = {
62 	.probe		= pcm512x_spi_probe,
63 	.remove		= pcm512x_spi_remove,
64 	.id_table	= pcm512x_spi_id,
65 	.driver = {
66 		.name	= "pcm512x",
67 		.of_match_table = pcm512x_of_match,
68 		.pm     = &pcm512x_pm_ops,
69 	},
70 };
71 
72 module_spi_driver(pcm512x_spi_driver);
73 
74 MODULE_DESCRIPTION("ASoC PCM512x codec driver - SPI");
75 MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
76 MODULE_LICENSE("GPL v2");
77