Added SPI support.
Signed-off-by: Jiri Prchal jiri.prchal@aksignal.cz --- sound/soc/codecs/Kconfig | 7 +++ sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tlv320aic3x-spi.c | 76 ++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+) create mode 100644 sound/soc/codecs/tlv320aic3x-spi.c
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 7f6a9b22c261..9dc85119bcab 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -215,6 +215,7 @@ 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 @@ -1427,6 +1428,12 @@ 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 diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 3710726f740f..022b3801d964 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -234,6 +234,7 @@ 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 @@ -550,6 +551,7 @@ 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 diff --git a/sound/soc/codecs/tlv320aic3x-spi.c b/sound/soc/codecs/tlv320aic3x-spi.c new file mode 100644 index 000000000000..bd78ab0910da --- /dev/null +++ b/sound/soc/codecs/tlv320aic3x-spi.c @@ -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");