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1b347b68 JS |
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 | ||
26 | static 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 | ||
41 | static int pcm179x_spi_remove(struct spi_device *spi) | |
42 | { | |
43 | return pcm179x_common_exit(&spi->dev); | |
44 | } | |
45 | ||
46 | static const struct of_device_id pcm179x_of_match[] = { | |
47 | { .compatible = "ti,pcm1792a", }, | |
48 | { } | |
49 | }; | |
50 | MODULE_DEVICE_TABLE(of, pcm179x_of_match); | |
51 | ||
52 | static const struct spi_device_id pcm179x_spi_ids[] = { | |
53 | { "pcm179x", 0 }, | |
54 | { }, | |
55 | }; | |
56 | MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids); | |
57 | ||
58 | static 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 | ||
68 | module_spi_driver(pcm179x_spi_driver); | |
69 | ||
70 | MODULE_DESCRIPTION("ASoC PCM179X SPI driver"); | |
71 | MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>"); | |
72 | MODULE_LICENSE("GPL"); |