treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[sfrench/cifs-2.6.git] / sound / soc / codecs / pcm179x-spi.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * PCM179X ASoC SPI driver
4  *
5  * Copyright (c) Amarula Solutions B.V. 2013
6  *
7  *     Michael Trimarchi <michael@amarulasolutions.com>
8  */
9
10 #include <linux/module.h>
11 #include <linux/of.h>
12 #include <linux/spi/spi.h>
13 #include <linux/regmap.h>
14
15 #include "pcm179x.h"
16
17 static int pcm179x_spi_probe(struct spi_device *spi)
18 {
19         struct regmap *regmap;
20         int ret;
21
22         regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
23         if (IS_ERR(regmap)) {
24                 ret = PTR_ERR(regmap);
25                 dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
26                 return ret;
27         }
28
29         return pcm179x_common_init(&spi->dev, regmap);
30 }
31
32 static const struct of_device_id pcm179x_of_match[] = {
33         { .compatible = "ti,pcm1792a", },
34         { }
35 };
36 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
37
38 static const struct spi_device_id pcm179x_spi_ids[] = {
39         { "pcm179x", 0 },
40         { },
41 };
42 MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
43
44 static struct spi_driver pcm179x_spi_driver = {
45         .driver = {
46                 .name = "pcm179x",
47                 .of_match_table = of_match_ptr(pcm179x_of_match),
48         },
49         .id_table = pcm179x_spi_ids,
50         .probe = pcm179x_spi_probe,
51 };
52
53 module_spi_driver(pcm179x_spi_driver);
54
55 MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
56 MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
57 MODULE_LICENSE("GPL");