diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index 54d8342..fd4a8d6 100644
--- a/sound/soc/tegra/Kconfig
+++ b/sound/soc/tegra/Kconfig
@@ -135,6 +135,17 @@ config SND_SOC_TEGRA210_AMX
 	  output frame by any combination of bytes from the input frames.
 	  Say Y or M if you want to add support for Tegra210 AMX module.
 
+config SND_SOC_TEGRA210_ADX
+	tristate "Tegra210 ADX module"
+	help
+	  Config to enable the Audio Demultiplexer (ADX) which takes an
+	  input stream (up to 16 channels) and demultiplexes it into four
+	  output streams (each of up to 16 channels). A byte RAM helps to
+	  form output frames by any combination of bytes from the input
+	  frame. Its design is identical to that of byte RAM in the AMX
+	  except that the data flow direction is reversed.
+	  Say Y or M if you want to add support for Tegra210 ADX module.
+
 config SND_SOC_TEGRA_AUDIO_GRAPH_CARD
 	tristate "Audio Graph Card based Tegra driver"
 	depends on SND_AUDIO_GRAPH_CARD
diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile
index 549162b..8eb17ad 100644
--- a/sound/soc/tegra/Makefile
+++ b/sound/soc/tegra/Makefile
@@ -16,6 +16,7 @@ snd-soc-tegra210-admaif-objs := tegra210_admaif.o
 snd-soc-tegra210-mvc-objs := tegra210_mvc.o
 snd-soc-tegra210-sfc-objs := tegra210_sfc.o
 snd-soc-tegra210-amx-objs := tegra210_amx.o
+snd-soc-tegra210-adx-objs := tegra210_adx.o
 
 obj-$(CONFIG_SND_SOC_TEGRA) += snd-soc-tegra-pcm.o
 obj-$(CONFIG_SND_SOC_TEGRA20_AC97) += snd-soc-tegra20-ac97.o
@@ -32,6 +33,7 @@ obj-$(CONFIG_SND_SOC_TEGRA210_ADMAIF) += snd-soc-tegra210-admaif.o
 obj-$(CONFIG_SND_SOC_TEGRA210_MVC) += snd-soc-tegra210-mvc.o
 obj-$(CONFIG_SND_SOC_TEGRA210_SFC) += snd-soc-tegra210-sfc.o
 obj-$(CONFIG_SND_SOC_TEGRA210_AMX) += snd-soc-tegra210-amx.o
+obj-$(CONFIG_SND_SOC_TEGRA210_ADX) += snd-soc-tegra210-adx.o
 
 # Tegra machine Support
 snd-soc-tegra-wm8903-objs := tegra_wm8903.o
diff --git a/sound/soc/tegra/tegra210_adx.c b/sound/soc/tegra/tegra210_adx.c
new file mode 100644
index 00000000..78d6604
--- /dev/null
+++ b/sound/soc/tegra/tegra210_adx.c
@@ -0,0 +1,531 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// tegra210_adx.c - Tegra210 ADX driver
+//
+// Copyright (c) 2021 NVIDIA CORPORATION.  All rights reserved.
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra210_adx.h"
+#include "tegra_cif.h"
+
+static const struct reg_default tegra210_adx_reg_defaults[] = {
+	{ TEGRA210_ADX_RX_INT_MASK, 0x00000001},
+	{ TEGRA210_ADX_RX_CIF_CTRL, 0x00007000},
+	{ TEGRA210_ADX_TX_INT_MASK, 0x0000000f },
+	{ TEGRA210_ADX_TX1_CIF_CTRL, 0x00007000},
+	{ TEGRA210_ADX_TX2_CIF_CTRL, 0x00007000},
+	{ TEGRA210_ADX_TX3_CIF_CTRL, 0x00007000},
+	{ TEGRA210_ADX_TX4_CIF_CTRL, 0x00007000},
+	{ TEGRA210_ADX_CG, 0x1},
+	{ TEGRA210_ADX_CFG_RAM_CTRL, 0x00004000},
+};
+
+static void tegra210_adx_write_map_ram(struct tegra210_adx *adx)
+{
+	int i;
+
+	regmap_write(adx->regmap, TEGRA210_ADX_CFG_RAM_CTRL,
+		     TEGRA210_ADX_CFG_RAM_CTRL_SEQ_ACCESS_EN |
+		     TEGRA210_ADX_CFG_RAM_CTRL_ADDR_INIT_EN |
+		     TEGRA210_ADX_CFG_RAM_CTRL_RW_WRITE);
+
+	for (i = 0; i < TEGRA210_ADX_RAM_DEPTH; i++)
+		regmap_write(adx->regmap, TEGRA210_ADX_CFG_RAM_DATA,
+			     adx->map[i]);
+
+	regmap_write(adx->regmap, TEGRA210_ADX_IN_BYTE_EN0, adx->byte_mask[0]);
+	regmap_write(adx->regmap, TEGRA210_ADX_IN_BYTE_EN1, adx->byte_mask[1]);
+}
+
+static int tegra210_adx_startup(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct tegra210_adx *adx = snd_soc_dai_get_drvdata(dai);
+	unsigned int val;
+	int err;
+
+	/* Ensure if ADX status is disabled */
+	err = regmap_read_poll_timeout_atomic(adx->regmap, TEGRA210_ADX_STATUS,
+					      val, !(val & 0x1), 10, 10000);
+	if (err < 0) {
+		dev_err(dai->dev, "failed to stop ADX, err = %d\n", err);
+		return err;
+	}
+
+	/*
+	 * Soft Reset: Below performs module soft reset which clears
+	 * all FSM logic, flushes flow control of FIFO and resets the
+	 * state register. It also brings module back to disabled
+	 * state (without flushing the data in the pipe).
+	 */
+	regmap_update_bits(adx->regmap, TEGRA210_ADX_SOFT_RESET,
+			   TEGRA210_ADX_SOFT_RESET_SOFT_RESET_MASK,
+			   TEGRA210_ADX_SOFT_RESET_SOFT_EN);
+
+	err = regmap_read_poll_timeout(adx->regmap, TEGRA210_ADX_SOFT_RESET,
+				       val, !(val & 0x1), 10, 10000);
+	if (err < 0) {
+		dev_err(dai->dev, "failed to reset ADX, err = %d\n", err);
+		return err;
+	}
+
+	return 0;
+}
+
+static int __maybe_unused tegra210_adx_runtime_suspend(struct device *dev)
+{
+	struct tegra210_adx *adx = dev_get_drvdata(dev);
+
+	regcache_cache_only(adx->regmap, true);
+	regcache_mark_dirty(adx->regmap);
+
+	return 0;
+}
+
+static int __maybe_unused tegra210_adx_runtime_resume(struct device *dev)
+{
+	struct tegra210_adx *adx = dev_get_drvdata(dev);
+
+	regcache_cache_only(adx->regmap, false);
+	regcache_sync(adx->regmap);
+
+	tegra210_adx_write_map_ram(adx);
+
+	return 0;
+}
+
+static int tegra210_adx_set_audio_cif(struct snd_soc_dai *dai,
+				      unsigned int channels,
+				      unsigned int format,
+				      unsigned int reg)
+{
+	struct tegra210_adx *adx = snd_soc_dai_get_drvdata(dai);
+	struct tegra_cif_conf cif_conf;
+	int audio_bits;
+
+	memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
+
+	if (channels < 1 || channels > 16)
+		return -EINVAL;
+
+	switch (format) {
+	case SNDRV_PCM_FORMAT_S8:
+		audio_bits = TEGRA_ACIF_BITS_8;
+		break;
+	case SNDRV_PCM_FORMAT_S16_LE:
+		audio_bits = TEGRA_ACIF_BITS_16;
+		break;
+	case SNDRV_PCM_FORMAT_S32_LE:
+		audio_bits = TEGRA_ACIF_BITS_32;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	cif_conf.audio_ch = channels;
+	cif_conf.client_ch = channels;
+	cif_conf.audio_bits = audio_bits;
+	cif_conf.client_bits = audio_bits;
+
+	tegra_set_cif(adx->regmap, reg, &cif_conf);
+
+	return 0;
+}
+
+static int tegra210_adx_out_hw_params(struct snd_pcm_substream *substream,
+				      struct snd_pcm_hw_params *params,
+				      struct snd_soc_dai *dai)
+{
+	return tegra210_adx_set_audio_cif(dai, params_channels(params),
+			params_format(params),
+			TEGRA210_ADX_TX1_CIF_CTRL + ((dai->id - 1) * TEGRA210_ADX_AUDIOCIF_CH_STRIDE));
+}
+
+static int tegra210_adx_in_hw_params(struct snd_pcm_substream *substream,
+				     struct snd_pcm_hw_params *params,
+				     struct snd_soc_dai *dai)
+{
+	return tegra210_adx_set_audio_cif(dai, params_channels(params),
+					  params_format(params),
+					  TEGRA210_ADX_RX_CIF_CTRL);
+}
+
+static int tegra210_adx_get_byte_map(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra210_adx *adx = snd_soc_component_get_drvdata(cmpnt);
+	struct soc_mixer_control *mc;
+	unsigned char *bytes_map = (unsigned char *)&adx->map;
+	int enabled;
+
+	mc = (struct soc_mixer_control *)kcontrol->private_value;
+	enabled = adx->byte_mask[mc->reg / 32] & (1 << (mc->reg % 32));
+
+	if (enabled)
+		ucontrol->value.integer.value[0] = bytes_map[mc->reg];
+	else
+		ucontrol->value.integer.value[0] = 0;
+
+	return 0;
+}
+
+static int tegra210_adx_put_byte_map(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+	struct tegra210_adx *adx = snd_soc_component_get_drvdata(cmpnt);
+	unsigned char *bytes_map = (unsigned char *)&adx->map;
+	int value = ucontrol->value.integer.value[0];
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;;
+
+	if (value >= 0 && value <= 255) {
+		/* update byte map and enable slot */
+		bytes_map[mc->reg] = value;
+		adx->byte_mask[mc->reg / 32] |= (1 << (mc->reg % 32));
+	} else {
+		/* reset byte map and disable slot */
+		bytes_map[mc->reg] = 0;
+		adx->byte_mask[mc->reg / 32] &= ~(1 << (mc->reg % 32));
+	}
+
+	return 1;
+}
+
+static struct snd_soc_dai_ops tegra210_adx_in_dai_ops = {
+	.hw_params	= tegra210_adx_in_hw_params,
+	.startup	= tegra210_adx_startup,
+};
+
+static struct snd_soc_dai_ops tegra210_adx_out_dai_ops = {
+	.hw_params	= tegra210_adx_out_hw_params,
+};
+
+#define IN_DAI							\
+	{							\
+		.name = "ADX-RX-CIF",				\
+		.playback = {					\
+			.stream_name = "RX-CIF-Playback",	\
+			.channels_min = 1,			\
+			.channels_max = 16,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				   SNDRV_PCM_FMTBIT_S16_LE |	\
+				   SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.capture = {					\
+			.stream_name = "RX-CIF-Capture",	\
+			.channels_min = 1,			\
+			.channels_max = 16,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				   SNDRV_PCM_FMTBIT_S16_LE |	\
+				   SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.ops = &tegra210_adx_in_dai_ops,		\
+	}
+
+#define OUT_DAI(id)						\
+	{							\
+		.name = "ADX-TX" #id "-CIF",			\
+		.playback = {					\
+			.stream_name = "TX" #id "-CIF-Playback",\
+			.channels_min = 1,			\
+			.channels_max = 16,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				   SNDRV_PCM_FMTBIT_S16_LE |	\
+				   SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.capture = {					\
+			.stream_name = "TX" #id "-CIF-Capture",	\
+			.channels_min = 1,			\
+			.channels_max = 16,			\
+			.rates = SNDRV_PCM_RATE_8000_192000,	\
+			.formats = SNDRV_PCM_FMTBIT_S8 |	\
+				   SNDRV_PCM_FMTBIT_S16_LE |	\
+				   SNDRV_PCM_FMTBIT_S32_LE,	\
+		},						\
+		.ops = &tegra210_adx_out_dai_ops,		\
+	}
+
+static struct snd_soc_dai_driver tegra210_adx_dais[] = {
+	IN_DAI,
+	OUT_DAI(1),
+	OUT_DAI(2),
+	OUT_DAI(3),
+	OUT_DAI(4),
+};
+
+static const struct snd_soc_dapm_widget tegra210_adx_widgets[] = {
+	SND_SOC_DAPM_AIF_IN("RX", NULL, 0, TEGRA210_ADX_ENABLE,
+			    TEGRA210_ADX_ENABLE_SHIFT, 0),
+	SND_SOC_DAPM_AIF_OUT("TX1", NULL, 0, TEGRA210_ADX_CTRL, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX2", NULL, 0, TEGRA210_ADX_CTRL, 1, 0),
+	SND_SOC_DAPM_AIF_OUT("TX3", NULL, 0, TEGRA210_ADX_CTRL, 2, 0),
+	SND_SOC_DAPM_AIF_OUT("TX4", NULL, 0, TEGRA210_ADX_CTRL, 3, 0),
+};
+
+#define STREAM_ROUTES(id, sname)					  \
+	{ "XBAR-" sname,		NULL,	"XBAR-TX" },		  \
+	{ "RX-CIF-" sname,		NULL,	"XBAR-" sname },	  \
+	{ "RX",				NULL,	"RX-CIF-" sname },	  \
+	{ "TX" #id,			NULL,	"RX" },			  \
+	{ "TX" #id "-CIF-" sname,	NULL,	"TX" #id },		  \
+	{ "TX" #id " XBAR-" sname,	NULL,	"TX" #id "-CIF-" sname }, \
+	{ "TX" #id " XBAR-RX",		NULL,	"TX" #id " XBAR-" sname }
+
+#define ADX_ROUTES(id)			\
+	STREAM_ROUTES(id, "Playback"),	\
+	STREAM_ROUTES(id, "Capture")
+
+#define STREAM_ROUTES(id, sname)					  \
+	{ "XBAR-" sname,		NULL,	"XBAR-TX" },		  \
+	{ "RX-CIF-" sname,		NULL,	"XBAR-" sname },	  \
+	{ "RX",				NULL,	"RX-CIF-" sname },	  \
+	{ "TX" #id,			NULL,	"RX" },			  \
+	{ "TX" #id "-CIF-" sname,	NULL,	"TX" #id },		  \
+	{ "TX" #id " XBAR-" sname,	NULL,	"TX" #id "-CIF-" sname }, \
+	{ "TX" #id " XBAR-RX",		NULL,	"TX" #id " XBAR-" sname }
+
+#define ADX_ROUTES(id)			\
+	STREAM_ROUTES(id, "Playback"),	\
+	STREAM_ROUTES(id, "Capture")
+
+static const struct snd_soc_dapm_route tegra210_adx_routes[] = {
+	ADX_ROUTES(1),
+	ADX_ROUTES(2),
+	ADX_ROUTES(3),
+	ADX_ROUTES(4),
+};
+
+#define TEGRA210_ADX_BYTE_MAP_CTRL(reg)			 \
+	SOC_SINGLE_EXT("Byte Map " #reg, reg, 0, 256, 0, \
+		       tegra210_adx_get_byte_map,	 \
+		       tegra210_adx_put_byte_map)
+
+static struct snd_kcontrol_new tegra210_adx_controls[] = {
+	TEGRA210_ADX_BYTE_MAP_CTRL(0),
+	TEGRA210_ADX_BYTE_MAP_CTRL(1),
+	TEGRA210_ADX_BYTE_MAP_CTRL(2),
+	TEGRA210_ADX_BYTE_MAP_CTRL(3),
+	TEGRA210_ADX_BYTE_MAP_CTRL(4),
+	TEGRA210_ADX_BYTE_MAP_CTRL(5),
+	TEGRA210_ADX_BYTE_MAP_CTRL(6),
+	TEGRA210_ADX_BYTE_MAP_CTRL(7),
+	TEGRA210_ADX_BYTE_MAP_CTRL(8),
+	TEGRA210_ADX_BYTE_MAP_CTRL(9),
+	TEGRA210_ADX_BYTE_MAP_CTRL(10),
+	TEGRA210_ADX_BYTE_MAP_CTRL(11),
+	TEGRA210_ADX_BYTE_MAP_CTRL(12),
+	TEGRA210_ADX_BYTE_MAP_CTRL(13),
+	TEGRA210_ADX_BYTE_MAP_CTRL(14),
+	TEGRA210_ADX_BYTE_MAP_CTRL(15),
+	TEGRA210_ADX_BYTE_MAP_CTRL(16),
+	TEGRA210_ADX_BYTE_MAP_CTRL(17),
+	TEGRA210_ADX_BYTE_MAP_CTRL(18),
+	TEGRA210_ADX_BYTE_MAP_CTRL(19),
+	TEGRA210_ADX_BYTE_MAP_CTRL(20),
+	TEGRA210_ADX_BYTE_MAP_CTRL(21),
+	TEGRA210_ADX_BYTE_MAP_CTRL(22),
+	TEGRA210_ADX_BYTE_MAP_CTRL(23),
+	TEGRA210_ADX_BYTE_MAP_CTRL(24),
+	TEGRA210_ADX_BYTE_MAP_CTRL(25),
+	TEGRA210_ADX_BYTE_MAP_CTRL(26),
+	TEGRA210_ADX_BYTE_MAP_CTRL(27),
+	TEGRA210_ADX_BYTE_MAP_CTRL(28),
+	TEGRA210_ADX_BYTE_MAP_CTRL(29),
+	TEGRA210_ADX_BYTE_MAP_CTRL(30),
+	TEGRA210_ADX_BYTE_MAP_CTRL(31),
+	TEGRA210_ADX_BYTE_MAP_CTRL(32),
+	TEGRA210_ADX_BYTE_MAP_CTRL(33),
+	TEGRA210_ADX_BYTE_MAP_CTRL(34),
+	TEGRA210_ADX_BYTE_MAP_CTRL(35),
+	TEGRA210_ADX_BYTE_MAP_CTRL(36),
+	TEGRA210_ADX_BYTE_MAP_CTRL(37),
+	TEGRA210_ADX_BYTE_MAP_CTRL(38),
+	TEGRA210_ADX_BYTE_MAP_CTRL(39),
+	TEGRA210_ADX_BYTE_MAP_CTRL(40),
+	TEGRA210_ADX_BYTE_MAP_CTRL(41),
+	TEGRA210_ADX_BYTE_MAP_CTRL(42),
+	TEGRA210_ADX_BYTE_MAP_CTRL(43),
+	TEGRA210_ADX_BYTE_MAP_CTRL(44),
+	TEGRA210_ADX_BYTE_MAP_CTRL(45),
+	TEGRA210_ADX_BYTE_MAP_CTRL(46),
+	TEGRA210_ADX_BYTE_MAP_CTRL(47),
+	TEGRA210_ADX_BYTE_MAP_CTRL(48),
+	TEGRA210_ADX_BYTE_MAP_CTRL(49),
+	TEGRA210_ADX_BYTE_MAP_CTRL(50),
+	TEGRA210_ADX_BYTE_MAP_CTRL(51),
+	TEGRA210_ADX_BYTE_MAP_CTRL(52),
+	TEGRA210_ADX_BYTE_MAP_CTRL(53),
+	TEGRA210_ADX_BYTE_MAP_CTRL(54),
+	TEGRA210_ADX_BYTE_MAP_CTRL(55),
+	TEGRA210_ADX_BYTE_MAP_CTRL(56),
+	TEGRA210_ADX_BYTE_MAP_CTRL(57),
+	TEGRA210_ADX_BYTE_MAP_CTRL(58),
+	TEGRA210_ADX_BYTE_MAP_CTRL(59),
+	TEGRA210_ADX_BYTE_MAP_CTRL(60),
+	TEGRA210_ADX_BYTE_MAP_CTRL(61),
+	TEGRA210_ADX_BYTE_MAP_CTRL(62),
+	TEGRA210_ADX_BYTE_MAP_CTRL(63),
+};
+
+static const struct snd_soc_component_driver tegra210_adx_cmpnt = {
+	.dapm_widgets		= tegra210_adx_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(tegra210_adx_widgets),
+	.dapm_routes		= tegra210_adx_routes,
+	.num_dapm_routes	= ARRAY_SIZE(tegra210_adx_routes),
+	.controls		= tegra210_adx_controls,
+	.num_controls		= ARRAY_SIZE(tegra210_adx_controls),
+};
+
+static bool tegra210_adx_wr_reg(struct device *dev,
+				unsigned int reg)
+{
+	switch (reg) {
+	case TEGRA210_ADX_TX_INT_MASK ... TEGRA210_ADX_TX4_CIF_CTRL:
+	case TEGRA210_ADX_RX_INT_MASK ... TEGRA210_ADX_RX_CIF_CTRL:
+	case TEGRA210_ADX_ENABLE ... TEGRA210_ADX_CG:
+	case TEGRA210_ADX_CTRL ... TEGRA210_ADX_IN_BYTE_EN1:
+	case TEGRA210_ADX_CFG_RAM_CTRL ... TEGRA210_ADX_CFG_RAM_DATA:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool tegra210_adx_rd_reg(struct device *dev,
+				unsigned int reg)
+{
+	switch (reg) {
+	case TEGRA210_ADX_RX_STATUS ... TEGRA210_ADX_CFG_RAM_DATA:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool tegra210_adx_volatile_reg(struct device *dev,
+				unsigned int reg)
+{
+	switch (reg) {
+	case TEGRA210_ADX_RX_STATUS:
+	case TEGRA210_ADX_RX_INT_STATUS:
+	case TEGRA210_ADX_RX_INT_SET:
+	case TEGRA210_ADX_TX_STATUS:
+	case TEGRA210_ADX_TX_INT_STATUS:
+	case TEGRA210_ADX_TX_INT_SET:
+	case TEGRA210_ADX_SOFT_RESET:
+	case TEGRA210_ADX_STATUS:
+	case TEGRA210_ADX_INT_STATUS:
+	case TEGRA210_ADX_CFG_RAM_CTRL:
+	case TEGRA210_ADX_CFG_RAM_DATA:
+		return true;
+	default:
+		break;
+	}
+
+	return false;
+}
+
+static const struct regmap_config tegra210_adx_regmap_config = {
+	.reg_bits		= 32,
+	.reg_stride		= 4,
+	.val_bits		= 32,
+	.max_register		= TEGRA210_ADX_CFG_RAM_DATA,
+	.writeable_reg		= tegra210_adx_wr_reg,
+	.readable_reg		= tegra210_adx_rd_reg,
+	.volatile_reg		= tegra210_adx_volatile_reg,
+	.reg_defaults		= tegra210_adx_reg_defaults,
+	.num_reg_defaults	= ARRAY_SIZE(tegra210_adx_reg_defaults),
+	.cache_type		= REGCACHE_FLAT,
+};
+
+static const struct of_device_id tegra210_adx_of_match[] = {
+	{ .compatible = "nvidia,tegra210-adx" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, tegra210_adx_of_match);
+
+static int tegra210_adx_platform_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct tegra210_adx *adx;
+	void __iomem *regs;
+	int err;
+
+	adx = devm_kzalloc(dev, sizeof(*adx), GFP_KERNEL);
+	if (!adx)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, adx);
+
+	regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
+
+	adx->regmap = devm_regmap_init_mmio(dev, regs,
+					    &tegra210_adx_regmap_config);
+	if (IS_ERR(adx->regmap)) {
+		dev_err(dev, "regmap init failed\n");
+		return PTR_ERR(adx->regmap);
+	}
+
+	regcache_cache_only(adx->regmap, true);
+
+	err = devm_snd_soc_register_component(dev, &tegra210_adx_cmpnt,
+					      tegra210_adx_dais,
+					      ARRAY_SIZE(tegra210_adx_dais));
+	if (err) {
+		dev_err(dev, "can't register ADX component, err: %d\n", err);
+		return err;
+	}
+
+	pm_runtime_enable(dev);
+
+	return 0;
+}
+
+static int tegra210_adx_platform_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
+static const struct dev_pm_ops tegra210_adx_pm_ops = {
+	SET_RUNTIME_PM_OPS(tegra210_adx_runtime_suspend,
+			   tegra210_adx_runtime_resume, NULL)
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				     pm_runtime_force_resume)
+};
+
+static struct platform_driver tegra210_adx_driver = {
+	.driver = {
+		.name = "tegra210-adx",
+		.of_match_table = tegra210_adx_of_match,
+		.pm = &tegra210_adx_pm_ops,
+	},
+	.probe = tegra210_adx_platform_probe,
+	.remove = tegra210_adx_platform_remove,
+};
+module_platform_driver(tegra210_adx_driver);
+
+MODULE_AUTHOR("Arun Shamanna Lakshmi <aruns@nvidia.com>");
+MODULE_DESCRIPTION("Tegra210 ADX ASoC driver");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/tegra/tegra210_adx.h b/sound/soc/tegra/tegra210_adx.h
new file mode 100644
index 00000000..d7dcb64
--- /dev/null
+++ b/sound/soc/tegra/tegra210_adx.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * tegra210_adx.h - Definitions for Tegra210 ADX driver
+ *
+ * Copyright (c) 2021, NVIDIA CORPORATION.  All rights reserved.
+ *
+ */
+
+#ifndef __TEGRA210_ADX_H__
+#define __TEGRA210_ADX_H__
+
+/* Register offsets from TEGRA210_ADX*_BASE */
+#define TEGRA210_ADX_RX_STATUS		0x0c
+#define TEGRA210_ADX_RX_INT_STATUS	0x10
+#define TEGRA210_ADX_RX_INT_MASK	0x14
+#define TEGRA210_ADX_RX_INT_SET		0x18
+#define TEGRA210_ADX_RX_INT_CLEAR	0x1c
+#define TEGRA210_ADX_RX_CIF_CTRL	0x20
+#define TEGRA210_ADX_TX_STATUS		0x4c
+#define TEGRA210_ADX_TX_INT_STATUS	0x50
+#define TEGRA210_ADX_TX_INT_MASK	0x54
+#define TEGRA210_ADX_TX_INT_SET		0x58
+#define TEGRA210_ADX_TX_INT_CLEAR	0x5c
+#define TEGRA210_ADX_TX1_CIF_CTRL	0x60
+#define TEGRA210_ADX_TX2_CIF_CTRL	0x64
+#define TEGRA210_ADX_TX3_CIF_CTRL	0x68
+#define TEGRA210_ADX_TX4_CIF_CTRL	0x6c
+#define TEGRA210_ADX_ENABLE		0x80
+#define TEGRA210_ADX_SOFT_RESET		0x84
+#define TEGRA210_ADX_CG			0x88
+#define TEGRA210_ADX_STATUS		0x8c
+#define TEGRA210_ADX_INT_STATUS		0x90
+#define TEGRA210_ADX_CTRL		0xa4
+#define TEGRA210_ADX_IN_BYTE_EN0	0xa8
+#define TEGRA210_ADX_IN_BYTE_EN1	0xac
+#define TEGRA210_ADX_CFG_RAM_CTRL	0xb8
+#define TEGRA210_ADX_CFG_RAM_DATA	0xbc
+
+/* Fields in TEGRA210_ADX_ENABLE */
+#define TEGRA210_ADX_ENABLE_SHIFT			0
+
+/* Fields in TEGRA210_ADX_CFG_RAM_CTRL */
+#define TEGRA210_ADX_CFG_RAM_CTRL_RAM_ADDR_SHIFT	0
+
+#define TEGRA210_ADX_CFG_RAM_CTRL_RW_SHIFT		14
+#define TEGRA210_ADX_CFG_RAM_CTRL_RW_WRITE		(1 << TEGRA210_ADX_CFG_RAM_CTRL_RW_SHIFT)
+
+#define TEGRA210_ADX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT	13
+#define TEGRA210_ADX_CFG_RAM_CTRL_ADDR_INIT_EN		(1 << TEGRA210_ADX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT)
+
+#define TEGRA210_ADX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT	12
+#define TEGRA210_ADX_CFG_RAM_CTRL_SEQ_ACCESS_EN		(1 << TEGRA210_ADX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT)
+
+/* Fields in TEGRA210_ADX_SOFT_RESET */
+#define TEGRA210_ADX_SOFT_RESET_SOFT_RESET_SHIFT	0
+#define TEGRA210_ADX_SOFT_RESET_SOFT_RESET_MASK		(1 << TEGRA210_ADX_SOFT_RESET_SOFT_RESET_SHIFT)
+#define TEGRA210_ADX_SOFT_RESET_SOFT_EN			(1 << TEGRA210_ADX_SOFT_RESET_SOFT_RESET_SHIFT)
+#define TEGRA210_ADX_SOFT_RESET_SOFT_DEFAULT		(0 << TEGRA210_ADX_SOFT_RESET_SOFT_RESET_SHIFT)
+
+#define TEGRA210_ADX_AUDIOCIF_CH_STRIDE		4
+#define TEGRA210_ADX_RAM_DEPTH			16
+#define TEGRA210_ADX_MAP_STREAM_NUMBER_SHIFT	6
+#define TEGRA210_ADX_MAP_WORD_NUMBER_SHIFT	2
+#define TEGRA210_ADX_MAP_BYTE_NUMBER_SHIFT	0
+
+struct tegra210_adx {
+	struct regmap *regmap;
+	unsigned int map[TEGRA210_ADX_RAM_DEPTH];
+	unsigned int byte_mask[2];
+};
+
+#endif
