1 /*
2  * linux/sound/soc/codecs/tlv320aic32x4-spi.c
3  *
4  * Copyright 2011 NW Digital Radio
5  *
6  * Author: Jeremy McDermond <nh6z@nh6z.net>
7  *
8  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  */
20 
21 #include <linux/spi/spi.h>
22 #include <linux/module.h>
23 #include <linux/of.h>
24 #include <linux/regmap.h>
25 #include <sound/soc.h>
26 
27 #include "tlv320aic32x4.h"
28 
29 static int aic32x4_spi_probe(struct spi_device *spi)
30 {
31 	struct regmap *regmap;
32 	struct regmap_config config;
33 
34 	config = aic32x4_regmap_config;
35 	config.reg_bits = 7;
36 	config.pad_bits = 1;
37 	config.val_bits = 8;
38 	config.read_flag_mask = 0x01;
39 
40 	regmap = devm_regmap_init_spi(spi, &config);
41 	return aic32x4_probe(&spi->dev, regmap);
42 }
43 
44 static int aic32x4_spi_remove(struct spi_device *spi)
45 {
46 	return aic32x4_remove(&spi->dev);
47 }
48 
49 static const struct spi_device_id aic32x4_spi_id[] = {
50 	{ "tlv320aic32x4", 0 },
51 	{ "tlv320aic32x6", 1 },
52 	{ /* sentinel */ }
53 };
54 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
55 
56 static const struct of_device_id aic32x4_of_id[] = {
57 	{ .compatible = "ti,tlv320aic32x4", },
58 	{ .compatible = "ti,tlv320aic32x6", },
59 	{ /* senitel */ }
60 };
61 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
62 
63 static struct spi_driver aic32x4_spi_driver = {
64 	.driver = {
65 		.name = "tlv320aic32x4",
66 		.owner = THIS_MODULE,
67 		.of_match_table = aic32x4_of_id,
68 	},
69 	.probe =    aic32x4_spi_probe,
70 	.remove =   aic32x4_spi_remove,
71 	.id_table = aic32x4_spi_id,
72 };
73 
74 module_spi_driver(aic32x4_spi_driver);
75 
76 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
77 MODULE_AUTHOR("Jeremy McDermond <nh6z@nh6z.net>");
78 MODULE_LICENSE("GPL");
79