84 строки
2.0 KiB
C
84 строки
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Copyright 2011-2019 NW Digital Radio
|
|
*
|
|
* Author: Annaliese McDermond <nh6z@nh6z.net>
|
|
*
|
|
* Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
|
|
*
|
|
*/
|
|
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/module.h>
|
|
#include <linux/of.h>
|
|
#include <linux/regmap.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include "tlv320aic32x4.h"
|
|
|
|
static const struct of_device_id aic32x4_of_id[];
|
|
|
|
static int aic32x4_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct regmap *regmap;
|
|
struct regmap_config config;
|
|
|
|
config = aic32x4_regmap_config;
|
|
config.reg_bits = 7;
|
|
config.pad_bits = 1;
|
|
config.val_bits = 8;
|
|
config.read_flag_mask = 0x01;
|
|
|
|
regmap = devm_regmap_init_spi(spi, &config);
|
|
|
|
if (spi->dev.of_node) {
|
|
const struct of_device_id *oid;
|
|
|
|
oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
|
|
dev_set_drvdata(&spi->dev, (void *)oid->data);
|
|
} else {
|
|
const struct spi_device_id *id_entry;
|
|
|
|
id_entry = spi_get_device_id(spi);
|
|
dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
|
|
}
|
|
|
|
return aic32x4_probe(&spi->dev, regmap);
|
|
}
|
|
|
|
static void aic32x4_spi_remove(struct spi_device *spi)
|
|
{
|
|
aic32x4_remove(&spi->dev);
|
|
}
|
|
|
|
static const struct spi_device_id aic32x4_spi_id[] = {
|
|
{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
|
|
{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
|
|
{ /* sentinel */ }
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
|
|
|
|
static const struct of_device_id aic32x4_of_id[] = {
|
|
{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
|
|
{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
|
|
{ /* senitel */ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, aic32x4_of_id);
|
|
|
|
static struct spi_driver aic32x4_spi_driver = {
|
|
.driver = {
|
|
.name = "tlv320aic32x4",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = aic32x4_of_id,
|
|
},
|
|
.probe = aic32x4_spi_probe,
|
|
.remove = aic32x4_spi_remove,
|
|
.id_table = aic32x4_spi_id,
|
|
};
|
|
|
|
module_spi_driver(aic32x4_spi_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
|
|
MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
|
|
MODULE_LICENSE("GPL");
|