1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * ALSA SoC TLV320AIC3x codec driver SPI interface
4 *
5 * Author: Arun KS, <arunks@mistralsolutions.com>
6 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
7 *
8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
9 *
10 */
11
12#include <linux/spi/spi.h>
13#include <linux/module.h>
14#include <linux/of.h>
15#include <linux/regmap.h>
16#include <sound/soc.h>
17
18#include "tlv320aic3x.h"
19
20static int aic3x_spi_probe(struct spi_device *spi)
21{
22 struct regmap *regmap;
23 struct regmap_config config;
24 const struct spi_device_id *id = spi_get_device_id(sdev: spi);
25
26 config = aic3x_regmap;
27 config.reg_bits = 7;
28 config.pad_bits = 1;
29 config.val_bits = 8;
30 config.read_flag_mask = 0x01;
31
32 dev_dbg(&spi->dev, "probing tlv320aic3x spi device\n");
33
34 regmap = devm_regmap_init_spi(spi, &config);
35 return aic3x_probe(dev: &spi->dev, regmap, driver_data: id->driver_data);
36}
37
38static void aic3x_spi_remove(struct spi_device *spi)
39{
40 aic3x_remove(dev: &spi->dev);
41}
42
43static const struct spi_device_id aic3x_spi_id[] = {
44 { "tlv320aic3x", AIC3X_MODEL_3X },
45 { "tlv320aic33", AIC3X_MODEL_33 },
46 { "tlv320aic3007", AIC3X_MODEL_3007 },
47 { "tlv320aic3104", AIC3X_MODEL_3104 },
48 { "tlv320aic3106", AIC3X_MODEL_3106 },
49 { }
50};
51MODULE_DEVICE_TABLE(spi, aic3x_spi_id);
52
53static const struct of_device_id aic3x_of_id[] = {
54 { .compatible = "ti,tlv320aic3x", },
55 { .compatible = "ti,tlv320aic33" },
56 { .compatible = "ti,tlv320aic3007" },
57 { .compatible = "ti,tlv320aic3104" },
58 { .compatible = "ti,tlv320aic3106" },
59 {},
60};
61MODULE_DEVICE_TABLE(of, aic3x_of_id);
62
63static struct spi_driver aic3x_spi_driver = {
64 .driver = {
65 .name = "tlv320aic3x",
66 .owner = THIS_MODULE,
67 .of_match_table = aic3x_of_id,
68 },
69 .probe = aic3x_spi_probe,
70 .remove = aic3x_spi_remove,
71 .id_table = aic3x_spi_id,
72};
73
74module_spi_driver(aic3x_spi_driver);
75
76MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI");
77MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
78MODULE_LICENSE("GPL");
79

source code of linux/sound/soc/codecs/tlv320aic3x-spi.c