1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * Copyright 2011-2019 NW Digital Radio
4  *
5  * Author: Annaliese McDermond <nh6z@nh6z.net>
6  *
7  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
8  *
9  */
10 
11 #include <linux/spi/spi.h>
12 #include <linux/module.h>
13 #include <linux/of.h>
14 #include <linux/regmap.h>
15 #include <sound/soc.h>
16 
17 #include "tlv320aic32x4.h"
18 
19 static int aic32x4_spi_probe(struct spi_device *spi)
20 {
21 	struct regmap *regmap;
22 	struct regmap_config config;
23 
24 	config = aic32x4_regmap_config;
25 	config.reg_bits = 7;
26 	config.pad_bits = 1;
27 	config.val_bits = 8;
28 	config.read_flag_mask = 0x01;
29 
30 	regmap = devm_regmap_init_spi(spi, &config);
31 	return aic32x4_probe(&spi->dev, regmap);
32 }
33 
34 static int aic32x4_spi_remove(struct spi_device *spi)
35 {
36 	return aic32x4_remove(&spi->dev);
37 }
38 
39 static const struct spi_device_id aic32x4_spi_id[] = {
40 	{ "tlv320aic32x4", 0 },
41 	{ "tlv320aic32x6", 1 },
42 	{ /* sentinel */ }
43 };
44 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
45 
46 static const struct of_device_id aic32x4_of_id[] = {
47 	{ .compatible = "ti,tlv320aic32x4", },
48 	{ .compatible = "ti,tlv320aic32x6", },
49 	{ /* senitel */ }
50 };
51 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
52 
53 static struct spi_driver aic32x4_spi_driver = {
54 	.driver = {
55 		.name = "tlv320aic32x4",
56 		.owner = THIS_MODULE,
57 		.of_match_table = aic32x4_of_id,
58 	},
59 	.probe =    aic32x4_spi_probe,
60 	.remove =   aic32x4_spi_remove,
61 	.id_table = aic32x4_spi_id,
62 };
63 
64 module_spi_driver(aic32x4_spi_driver);
65 
66 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
67 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
68 MODULE_LICENSE("GPL");
69