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Annaliese McDermond8a1d95c2019-04-03 21:17:16 -07001/* SPDX-License-Identifier: GPL-2.0
Jeremy McDermond125bc682016-04-18 17:24:06 -07002 *
Annaliese McDermond8a1d95c2019-04-03 21:17:16 -07003 * Copyright 2011-2019 NW Digital Radio
Jeremy McDermond125bc682016-04-18 17:24:06 -07004 *
Annaliese McDermond7297ba62019-04-03 21:17:15 -07005 * Author: Annaliese McDermond <nh6z@nh6z.net>
Jeremy McDermond125bc682016-04-18 17:24:06 -07006 *
7 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
8 *
Jeremy McDermond125bc682016-04-18 17:24:06 -07009 */
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
Claudius Heine688d47c2021-06-17 10:52:28 +020019static const struct of_device_id aic32x4_of_id[];
20
Jeremy McDermond125bc682016-04-18 17:24:06 -070021static int aic32x4_spi_probe(struct spi_device *spi)
22{
23 struct regmap *regmap;
24 struct regmap_config config;
25
26 config = aic32x4_regmap_config;
27 config.reg_bits = 7;
28 config.pad_bits = 1;
29 config.val_bits = 8;
30 config.read_flag_mask = 0x01;
31
32 regmap = devm_regmap_init_spi(spi, &config);
Claudius Heine688d47c2021-06-17 10:52:28 +020033
34 if (spi->dev.of_node) {
35 const struct of_device_id *oid;
36
37 oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
38 dev_set_drvdata(&spi->dev, (void *)oid->data);
39 } else {
40 const struct spi_device_id *id_entry;
41
42 id_entry = spi_get_device_id(spi);
43 dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
44 }
45
Jeremy McDermond125bc682016-04-18 17:24:06 -070046 return aic32x4_probe(&spi->dev, regmap);
47}
48
49static int aic32x4_spi_remove(struct spi_device *spi)
50{
Uwe Kleine-König0f884092021-10-15 09:11:13 +020051 aic32x4_remove(&spi->dev);
52
53 return 0;
Jeremy McDermond125bc682016-04-18 17:24:06 -070054}
55
56static const struct spi_device_id aic32x4_spi_id[] = {
Claudius Heine688d47c2021-06-17 10:52:28 +020057 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
58 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
Jeremy McDermond125bc682016-04-18 17:24:06 -070059 { /* sentinel */ }
60};
61MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
62
63static const struct of_device_id aic32x4_of_id[] = {
Claudius Heine688d47c2021-06-17 10:52:28 +020064 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
65 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
Jeremy McDermond125bc682016-04-18 17:24:06 -070066 { /* senitel */ }
67};
68MODULE_DEVICE_TABLE(of, aic32x4_of_id);
69
70static struct spi_driver aic32x4_spi_driver = {
71 .driver = {
72 .name = "tlv320aic32x4",
73 .owner = THIS_MODULE,
74 .of_match_table = aic32x4_of_id,
75 },
76 .probe = aic32x4_spi_probe,
77 .remove = aic32x4_spi_remove,
78 .id_table = aic32x4_spi_id,
79};
80
81module_spi_driver(aic32x4_spi_driver);
82
83MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
Annaliese McDermond7297ba62019-04-03 21:17:15 -070084MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
Jeremy McDermond125bc682016-04-18 17:24:06 -070085MODULE_LICENSE("GPL");