tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * PCM179X ASoC SPI driver
3 *
4 * Copyright (c) Amarula Solutions B.V. 2013
5 *
6 * Michael Trimarchi <michael@amarulasolutions.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/module.h>
20#include <linux/of.h>
21#include <linux/spi/spi.h>
22#include <linux/regmap.h>
23
24#include "pcm179x.h"
25
26static int pcm179x_spi_probe(struct spi_device *spi)
27{
28 struct regmap *regmap;
29 int ret;
30
31 regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
32 if (IS_ERR(regmap)) {
33 ret = PTR_ERR(regmap);
34 dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
35 return ret;
36 }
37
38 return pcm179x_common_init(&spi->dev, regmap);
39}
40
41static int pcm179x_spi_remove(struct spi_device *spi)
42{
43 return pcm179x_common_exit(&spi->dev);
44}
45
46static const struct of_device_id pcm179x_of_match[] = {
47 { .compatible = "ti,pcm1792a", },
48 { }
49};
50MODULE_DEVICE_TABLE(of, pcm179x_of_match);
51
52static const struct spi_device_id pcm179x_spi_ids[] = {
53 { "pcm179x", 0 },
54 { },
55};
56MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
57
58static struct spi_driver pcm179x_spi_driver = {
59 .driver = {
60 .name = "pcm179x",
61 .of_match_table = of_match_ptr(pcm179x_of_match),
62 },
63 .id_table = pcm179x_spi_ids,
64 .probe = pcm179x_spi_probe,
65 .remove = pcm179x_spi_remove,
66};
67
68module_spi_driver(pcm179x_spi_driver);
69
70MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
71MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
72MODULE_LICENSE("GPL");