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
19static 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
37static void aic32x4_spi_remove(struct spi_device *spi)
38{
39	aic32x4_remove(&spi->dev);
40}
41
42static 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};
47MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
48
49static 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};
54MODULE_DEVICE_TABLE(of, aic32x4_of_id);
55
56static struct spi_driver aic32x4_spi_driver = {
57	.driver = {
58		.name = "tlv320aic32x4",
59		.owner = THIS_MODULE,
60		.of_match_table = aic32x4_of_id,
61	},
62	.probe =    aic32x4_spi_probe,
63	.remove =   aic32x4_spi_remove,
64	.id_table = aic32x4_spi_id,
65};
66
67module_spi_driver(aic32x4_spi_driver);
68
69MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
70MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
71MODULE_LICENSE("GPL");
72