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
20 static 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(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(&spi->dev, regmap, id->driver_data);
36 }
37
38 static void aic3x_spi_remove(struct spi_device *spi)
39 {
40 aic3x_remove(&spi->dev);
41 }
42
43 static 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 };
51 MODULE_DEVICE_TABLE(spi, aic3x_spi_id);
52
53 static 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 };
61 MODULE_DEVICE_TABLE(of, aic3x_of_id);
62
63 static struct spi_driver aic3x_spi_driver = {
64 .driver = {
65 .name = "tlv320aic3x",
66 .of_match_table = aic3x_of_id,
67 },
68 .probe = aic3x_spi_probe,
69 .remove = aic3x_spi_remove,
70 .id_table = aic3x_spi_id,
71 };
72
73 module_spi_driver(aic3x_spi_driver);
74
75 MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI");
76 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
77 MODULE_LICENSE("GPL");
78
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