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ASoC: Add ADAU1372 audio CODEC support

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Add support for the Analog Devices ADAU1372 audio CODEC.

[Alexandre Belloni: allow 32kHz for TDM4 in slave mode]

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201127123030.1610574-2-alexandre.belloni@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2020-11-27 13:30:30 +01:00 committed by Mark Brown
parent 32025c7c50
commit 6cd4c6459e
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
6 changed files with 1203 additions and 0 deletions
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16
sound/soc/codecs/Kconfig
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@ -23,6 +23,8 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_AD193X_I2C
imply SND_SOC_AD1980
imply SND_SOC_AD73311
imply SND_SOC_ADAU1372_I2C
imply SND_SOC_ADAU1372_SPI
imply SND_SOC_ADAU1373
imply SND_SOC_ADAU1761_I2C
imply SND_SOC_ADAU1761_SPI
@ -364,6 +366,20 @@ config SND_SOC_AD73311
config SND_SOC_ADAU_UTILS
tristate
config SND_SOC_ADAU1372
tristate
select SND_SOC_ADAU_UTILS
config SND_SOC_ADAU1372_I2C
tristate "Analog Devices ADAU1372 CODEC (I2C)"
select SND_SOC_ADAU1372
select REGMAP_I2C
config SND_SOC_ADAU1372_SPI
tristate "Analog Devices ADAU1372 CODEC (SPI)"
select SND_SOC_ADAU1372
select REGMAP_SPI
config SND_SOC_ADAU1373
tristate
depends on I2C

6
sound/soc/codecs/Makefile
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@ -9,6 +9,9 @@ snd-soc-ad193x-i2c-objs := ad193x-i2c.o
snd-soc-ad1980-objs := ad1980.o
snd-soc-ad73311-objs := ad73311.o
snd-soc-adau-utils-objs := adau-utils.o
snd-soc-adau1372-objs := adau1372.o
snd-soc-adau1372-i2c-objs := adau1372-i2c.o
snd-soc-adau1372-spi-objs := adau1372-spi.o
snd-soc-adau1373-objs := adau1373.o
snd-soc-adau1701-objs := adau1701.o
snd-soc-adau17x1-objs := adau17x1.o
@ -319,6 +322,9 @@ obj-$(CONFIG_SND_SOC_AD193X_I2C) += snd-soc-ad193x-i2c.o
obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
obj-$(CONFIG_SND_SOC_ADAU_UTILS) += snd-soc-adau-utils.o
obj-$(CONFIG_SND_SOC_ADAU1372) += snd-soc-adau1372.o
obj-$(CONFIG_SND_SOC_ADAU1372_I2C) += snd-soc-adau1372-i2c.o
obj-$(CONFIG_SND_SOC_ADAU1372_SPI) += snd-soc-adau1372-spi.o
obj-$(CONFIG_SND_SOC_ADAU1373) += snd-soc-adau1373.o
obj-$(CONFIG_SND_SOC_ADAU1701) += snd-soc-adau1701.o
obj-$(CONFIG_SND_SOC_ADAU17X1) += snd-soc-adau17x1.o

40
sound/soc/codecs/adau1372-i2c.c Normal file
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@ -0,0 +1,40 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for ADAU1372 codec
*
* Copyright 2016 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "adau1372.h"
static int adau1372_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
return adau1372_probe(&client->dev,
devm_regmap_init_i2c(client, &adau1372_regmap_config), NULL);
}
static const struct i2c_device_id adau1372_i2c_ids[] = {
{ "adau1372", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adau1372_i2c_ids);
static struct i2c_driver adau1372_i2c_driver = {
.driver = {
.name = "adau1372",
},
.probe = adau1372_i2c_probe,
.id_table = adau1372_i2c_ids,
};
module_i2c_driver(adau1372_i2c_driver);
MODULE_DESCRIPTION("ASoC ADAU1372 CODEC I2C driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_LICENSE("GPL v2");

58
sound/soc/codecs/adau1372-spi.c Normal file
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@ -0,0 +1,58 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for ADAU1372 codec
*
* Copyright 2016 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <sound/soc.h>
#include "adau1372.h"
static void adau1372_spi_switch_mode(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
/*
* To get the device into SPI mode CLATCH has to be pulled low three
* times. Do this by issuing three dummy reads.
*/
spi_w8r8(spi, 0x00);
spi_w8r8(spi, 0x00);
spi_w8r8(spi, 0x00);
}
static int adau1372_spi_probe(struct spi_device *spi)
{
struct regmap_config config;
config = adau1372_regmap_config;
config.read_flag_mask = 0x1;
return adau1372_probe(&spi->dev,
devm_regmap_init_spi(spi, &config), adau1372_spi_switch_mode);
}
static const struct spi_device_id adau1372_spi_id[] = {
{ "adau1372", 0 },
{ }
};
MODULE_DEVICE_TABLE(spi, adau1372_spi_id);
static struct spi_driver adau1372_spi_driver = {
.driver = {
.name = "adau1372",
},
.probe = adau1372_spi_probe,
.id_table = adau1372_spi_id,
};
module_spi_driver(adau1372_spi_driver);
MODULE_DESCRIPTION("ASoC ADAU1372 CODEC SPI driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_LICENSE("GPL v2");

1062
sound/soc/codecs/adau1372.c Normal file
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21
sound/soc/codecs/adau1372.h Normal file
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@ -0,0 +1,21 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ADAU1372 driver
*
* Copyright 2016 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#ifndef SOUND_SOC_CODECS_ADAU1372_H
#define SOUND_SOC_CODECS_ADAU1372_H
#include <linux/regmap.h>
struct device;
int adau1372_probe(struct device *dev, struct regmap *regmap,
void (*switch_mode)(struct device *dev));
extern const struct regmap_config adau1372_regmap_config;
#endif