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125bc681 JM |
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 | { /* sentinel */ } | |
52 | }; | |
53 | MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); | |
54 | ||
55 | static const struct of_device_id aic32x4_of_id[] = { | |
56 | { .compatible = "ti,tlv320aic32x4", }, | |
57 | { /* senitel */ } | |
58 | }; | |
59 | MODULE_DEVICE_TABLE(of, aic32x4_of_id); | |
60 | ||
61 | static struct spi_driver aic32x4_spi_driver = { | |
62 | .driver = { | |
63 | .name = "tlv320aic32x4", | |
64 | .owner = THIS_MODULE, | |
65 | .of_match_table = aic32x4_of_id, | |
66 | }, | |
67 | .probe = aic32x4_spi_probe, | |
68 | .remove = aic32x4_spi_remove, | |
69 | .id_table = aic32x4_spi_id, | |
70 | }; | |
71 | ||
72 | module_spi_driver(aic32x4_spi_driver); | |
73 | ||
74 | MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI"); | |
75 | MODULE_AUTHOR("Jeremy McDermond <nh6z@nh6z.net>"); | |
76 | MODULE_LICENSE("GPL"); |