Merge remote-tracking branch 'sound/for-next'
[deliverable/linux.git] / sound / soc / codecs / adau7002.c
CommitLineData
a0d3546c
LPC
1/*
2 * ADAU7002 Stereo PDM-to-I2S/TDM converter driver
3 *
4 * Copyright 2014-2016 Analog Devices
5 * Author: Lars-Peter Clausen <lars@metafoo.de>
6 *
7 * Licensed under the GPL-2.
8 */
9
10#include <linux/init.h>
11#include <linux/module.h>
12#include <linux/of.h>
13#include <linux/platform_device.h>
14
15#include <sound/soc.h>
16
17static const struct snd_soc_dapm_widget adau7002_widgets[] = {
18 SND_SOC_DAPM_INPUT("PDM_DAT"),
19 SND_SOC_DAPM_REGULATOR_SUPPLY("IOVDD", 0, 0),
20};
21
22static const struct snd_soc_dapm_route adau7002_routes[] = {
23 { "Capture", NULL, "PDM_DAT" },
24 { "Capture", NULL, "IOVDD" },
25};
26
27static struct snd_soc_dai_driver adau7002_dai = {
28 .name = "adau7002-hifi",
29 .capture = {
30 .stream_name = "Capture",
31 .channels_min = 2,
32 .channels_max = 2,
33 .rates = SNDRV_PCM_RATE_8000_96000,
34 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE |
35 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |
36 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE,
37 .sig_bits = 20,
38 },
39};
40
41static const struct snd_soc_codec_driver adau7002_codec_driver = {
42 .dapm_widgets = adau7002_widgets,
43 .num_dapm_widgets = ARRAY_SIZE(adau7002_widgets),
44 .dapm_routes = adau7002_routes,
45 .num_dapm_routes = ARRAY_SIZE(adau7002_routes),
46};
47
48static int adau7002_probe(struct platform_device *pdev)
49{
50 return snd_soc_register_codec(&pdev->dev, &adau7002_codec_driver,
51 &adau7002_dai, 1);
52}
53
54static int adau7002_remove(struct platform_device *pdev)
55{
56 snd_soc_unregister_codec(&pdev->dev);
57 return 0;
58}
59
60#ifdef CONFIG_OF
61static const struct of_device_id adau7002_dt_ids[] = {
62 { .compatible = "adi,adau7002", },
63 { }
64};
65MODULE_DEVICE_TABLE(of, adau7002_dt_ids);
66#endif
67
68static struct platform_driver adau7002_driver = {
69 .driver = {
70 .name = "adau7002",
71 .of_match_table = of_match_ptr(adau7002_dt_ids),
72 },
73 .probe = adau7002_probe,
74 .remove = adau7002_remove,
75};
76module_platform_driver(adau7002_driver);
77
78MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
79MODULE_DESCRIPTION("ADAU7002 Stereo PDM-to-I2S/TDM Converter driver");
80MODULE_LICENSE("GPL v2");
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