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ASoC: codecs: tlv320aic3x: add SPI support 

Added SPI support.

Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Link: https://lore.kernel.org/r/20210406142439.102396-5-jiri.prchal@aksignal.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jiri Prchal 2021-04-06 16:24:39 +02:00 committed by Mark Brown
parent a96d2ba2d8
commit fd4daab3b1
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GPG Key ID: 24D68B725D5487D0
3 changed files with 85 additions and 0 deletions
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7
sound/soc/codecs/Kconfig
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@ -219,6 +219,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_TLV320AIC32X4_I2C
imply SND_SOC_TLV320AIC32X4_SPI
imply SND_SOC_TLV320AIC3X_I2C
imply SND_SOC_TLV320AIC3X_SPI
imply SND_SOC_TPA6130A2
imply SND_SOC_TLV320DAC33
imply SND_SOC_TSCS42XX
@ -1454,6 +1455,12 @@ config SND_SOC_TLV320AIC3X_I2C
select SND_SOC_TLV320AIC3X
select REGMAP_I2C
config SND_SOC_TLV320AIC3X_SPI
tristate "Texas Instruments TLV320AIC3x audio CODECs - SPI"
depends on SPI_MASTER
select SND_SOC_TLV320AIC3X
select REGMAP_SPI
config SND_SOC_TLV320DAC33
tristate
depends on I2C

2
sound/soc/codecs/Makefile
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@ -239,6 +239,7 @@ snd-soc-tlv320aic32x4-i2c-objs := tlv320aic32x4-i2c.o
snd-soc-tlv320aic32x4-spi-objs := tlv320aic32x4-spi.o
snd-soc-tlv320aic3x-objs := tlv320aic3x.o
snd-soc-tlv320aic3x-i2c-objs := tlv320aic3x-i2c.o
snd-soc-tlv320aic3x-spi-objs := tlv320aic3x-spi.o
snd-soc-tlv320dac33-objs := tlv320dac33.o
snd-soc-tlv320adcx140-objs := tlv320adcx140.o
snd-soc-tscs42xx-objs := tscs42xx.o
@ -560,6 +561,7 @@ obj-$(CONFIG_SND_SOC_TLV320AIC32X4_I2C) += snd-soc-tlv320aic32x4-i2c.o
obj-$(CONFIG_SND_SOC_TLV320AIC32X4_SPI) += snd-soc-tlv320aic32x4-spi.o
obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
obj-$(CONFIG_SND_SOC_TLV320AIC3X_I2C) += snd-soc-tlv320aic3x-i2c.o
obj-$(CONFIG_SND_SOC_TLV320AIC3X_SPI) += snd-soc-tlv320aic3x-spi.o
obj-$(CONFIG_SND_SOC_TLV320DAC33) += snd-soc-tlv320dac33.o
obj-$(CONFIG_SND_SOC_TLV320ADCX140) += snd-soc-tlv320adcx140.o
obj-$(CONFIG_SND_SOC_TSCS42XX) += snd-soc-tscs42xx.o

76
sound/soc/codecs/tlv320aic3x-spi.c Normal file
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@ -0,0 +1,76 @@
/* SPDX-License-Identifier: GPL-2.0
*
* ALSA SoC TLV320AIC3x codec driver SPI interface
*
* Author: Arun KS, <arunks@mistralsolutions.com>
* Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
*
* Based on sound/soc/codecs/wm8731.c by Richard Purdie
*
*/
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "tlv320aic3x.h"
static int aic3x_spi_probe(struct spi_device *spi)
{
struct regmap *regmap;
struct regmap_config config;
const struct spi_device_id *id = spi_get_device_id(spi);
config = aic3x_regmap;
config.reg_bits = 7;
config.pad_bits = 1;
config.val_bits = 8;
config.read_flag_mask = 0x01;
dev_dbg(&spi->dev, "probing tlv320aic3x spi device\n");
regmap = devm_regmap_init_spi(spi, &config);
return aic3x_probe(&spi->dev, regmap, id->driver_data);
}
static int aic3x_spi_remove(struct spi_device *spi)
{
return aic3x_remove(&spi->dev);
}
static const struct spi_device_id aic3x_spi_id[] = {
{ "tlv320aic3x", AIC3X_MODEL_3X },
{ "tlv320aic33", AIC3X_MODEL_33 },
{ "tlv320aic3007", AIC3X_MODEL_3007 },
{ "tlv320aic3104", AIC3X_MODEL_3104 },
{ }
};
MODULE_DEVICE_TABLE(spi, aic3x_spi_id);
static const struct of_device_id aic3x_of_id[] = {
{ .compatible = "ti,tlv320aic3x", },
{ .compatible = "ti,tlv320aic33" },
{ .compatible = "ti,tlv320aic3007" },
{ .compatible = "ti,tlv320aic3104" },
{},
};
MODULE_DEVICE_TABLE(of, aic3x_of_id);
static struct spi_driver aic3x_spi_driver = {
.driver = {
.name = "tlv320aic3x",
.owner = THIS_MODULE,
.of_match_table = aic3x_of_id,
},
.probe = aic3x_spi_probe,
.remove = aic3x_spi_remove,
.id_table = aic3x_spi_id,
};
module_spi_driver(aic3x_spi_driver);
MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI");
MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
MODULE_LICENSE("GPL");