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 enum aic32x4_type type;
24
25 config = aic32x4_regmap_config;
26 config.reg_bits = 7;
27 config.pad_bits = 1;
28 config.val_bits = 8;
29 config.read_flag_mask = 0x01;
30
31 regmap = devm_regmap_init_spi(spi, &config);
32 type = (uintptr_t)spi_get_device_match_data(spi);
33
34 return aic32x4_probe(&spi->dev, regmap, type);
35 }
36
37 static void aic32x4_spi_remove(struct spi_device *spi)
38 {
39 aic32x4_remove(&spi->dev);
40 }
41
42 static const struct spi_device_id aic32x4_spi_id[] = {
43 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
44 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
45 { /* sentinel */ }
46 };
47 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
48
49 static const struct of_device_id aic32x4_of_id[] = {
50 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
51 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
52 { /* senitel */ }
53 };
54 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
55
56 static struct spi_driver aic32x4_spi_driver = {
57 .driver = {
58 .name = "tlv320aic32x4",
59 .of_match_table = aic32x4_of_id,
60 },
61 .probe = aic32x4_spi_probe,
62 .remove = aic32x4_spi_remove,
63 .id_table = aic32x4_spi_id,
64 };
65
66 module_spi_driver(aic32x4_spi_driver);
67
68 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
69 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
70 MODULE_LICENSE("GPL");
71
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