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        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     venkataprasad.potturu@amd.com
Subject: [PATCH 2/2] ASoC: max98388: add amplifier driver
Date:   Wed,  7 Jun 2023 22:42:30 -0700
Message-Id: <20230608054230.344014-2-ryan.lee.analog@gmail.com>
In-Reply-To: <20230608054230.344014-1-ryan.lee.analog@gmail.com>
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From: Ryan Lee <ryans.lee@analog.com>

Added Analog Devices MAX98388 amplifier driver.
MAX98388 provides a PCM interface for audio data and a standard I2C
interface for control data communication.

Signed-off-by: Ryan Lee <ryans.lee@analog.com>
---
 sound/soc/codecs/Kconfig    |   10 +
 sound/soc/codecs/Makefile   |    2 +
 sound/soc/codecs/max98388.c | 1042 +++++++++++++++++++++++++++++++++++
 sound/soc/codecs/max98388.h |  234 ++++++++
 4 files changed, 1288 insertions(+)
 create mode 100644 sound/soc/codecs/max98388.c
 create mode 100644 sound/soc/codecs/max98388.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 1f68d18515a6..e579ef11beb4 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -137,6 +137,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_MAX98363
 	imply SND_SOC_MAX98373_I2C
 	imply SND_SOC_MAX98373_SDW
+	imply SND_SOC_MAX98388
 	imply SND_SOC_MAX98390
 	imply SND_SOC_MAX98396
 	imply SND_SOC_MAX9850
@@ -1175,6 +1176,15 @@ config SND_SOC_MAX98373_SDW
 	  interface for control data. Select this if MAX98373 is
 	  connected via soundwire.
 
+config SND_SOC_MAX98388
+	tristate "Analog Devices MAX98388 Speaker Amplifier"
+	depends on I2C
+	help
+	  Enable support for Analog Devices MAX98388 audio
+	  amplifier. The device provides a PCM interface for
+	  audio data and a standard I2C interface for control
+	  data communication.
+
 config SND_SOC_MAX98390
 	tristate "Maxim Integrated MAX98390 Speaker Amplifier"
 	depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 67f336a12d74..0fd003d432e5 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -153,6 +153,7 @@ snd-soc-max98363-objs := max98363.o
 snd-soc-max98373-objs := max98373.o
 snd-soc-max98373-i2c-objs := max98373-i2c.o
 snd-soc-max98373-sdw-objs := max98373-sdw.o
+snd-soc-max98388-objs := max98388.o
 snd-soc-max98390-objs := max98390.o
 snd-soc-max98396-objs := max98396.o
 snd-soc-max9850-objs := max9850.o
@@ -525,6 +526,7 @@ obj-$(CONFIG_SND_SOC_MAX98363)	+= snd-soc-max98363.o
 obj-$(CONFIG_SND_SOC_MAX98373)	+= snd-soc-max98373.o
 obj-$(CONFIG_SND_SOC_MAX98373_I2C)   += snd-soc-max98373-i2c.o
 obj-$(CONFIG_SND_SOC_MAX98373_SDW)   += snd-soc-max98373-sdw.o
+obj-$(CONFIG_SND_SOC_MAX98388)	+= snd-soc-max98388.o
 obj-$(CONFIG_SND_SOC_MAX98390)	+= snd-soc-max98390.o
 obj-$(CONFIG_SND_SOC_MAX98396)	+= snd-soc-max98396.o
 obj-$(CONFIG_SND_SOC_MAX9850)	+= snd-soc-max9850.o
diff --git a/sound/soc/codecs/max98388.c b/sound/soc/codecs/max98388.c
new file mode 100644
index 000000000000..d49717c57cc3
--- /dev/null
+++ b/sound/soc/codecs/max98388.c
@@ -0,0 +1,1042 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2022, Analog Devices Inc.
+
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/cdev.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include "max98388.h"
+
+static struct reg_default max98388_reg[] = {
+	{MAX98388_R2000_SW_RESET, 0x00},
+	{MAX98388_R2001_INT_RAW1, 0x00},
+	{MAX98388_R2002_INT_RAW2, 0x00},
+	{MAX98388_R2004_INT_STATE1, 0x00},
+	{MAX98388_R2005_INT_STATE2, 0x00},
+	{MAX98388_R2020_THERM_WARN_THRESH, 0x0A},
+	{MAX98388_R2031_SPK_MON_THRESH, 0x58},
+	{MAX98388_R2032_SPK_MON_LD_SEL, 0x08},
+	{MAX98388_R2033_SPK_MON_DURATION, 0x02},
+	{MAX98388_R2037_ERR_MON_CTRL, 0x01},
+	{MAX98388_R2040_PCM_MODE_CFG, 0xC0},
+	{MAX98388_R2041_PCM_CLK_SETUP, 0x04},
+	{MAX98388_R2042_PCM_SR_SETUP, 0x88},
+	{MAX98388_R2044_PCM_TX_CTRL1, 0x00},
+	{MAX98388_R2045_PCM_TX_CTRL2, 0x00},
+	{MAX98388_R2050_PCM_TX_HIZ_CTRL1, 0xFF},
+	{MAX98388_R2051_PCM_TX_HIZ_CTRL2, 0xFF},
+	{MAX98388_R2052_PCM_TX_HIZ_CTRL3, 0xFF},
+	{MAX98388_R2053_PCM_TX_HIZ_CTRL4, 0xFF},
+	{MAX98388_R2054_PCM_TX_HIZ_CTRL5, 0xFF},
+	{MAX98388_R2055_PCM_TX_HIZ_CTRL6, 0xFF},
+	{MAX98388_R2056_PCM_TX_HIZ_CTRL7, 0xFF},
+	{MAX98388_R2057_PCM_TX_HIZ_CTRL8, 0xFF},
+	{MAX98388_R2058_PCM_RX_SRC1, 0x00},
+	{MAX98388_R2059_PCM_RX_SRC2, 0x01},
+	{MAX98388_R205C_PCM_TX_DRIVE_STRENGTH, 0x00},
+	{MAX98388_R205D_PCM_TX_SRC_EN, 0x00},
+	{MAX98388_R205E_PCM_RX_EN, 0x00},
+	{MAX98388_R205F_PCM_TX_EN, 0x00},
+	{MAX98388_R2090_SPK_CH_VOL_CTRL, 0x00},
+	{MAX98388_R2091_SPK_CH_CFG, 0x02},
+	{MAX98388_R2092_SPK_AMP_OUT_CFG, 0x03},
+	{MAX98388_R2093_SPK_AMP_SSM_CFG, 0x01},
+	{MAX98388_R2094_SPK_AMP_ER_CTRL, 0x00},
+	{MAX98388_R209E_SPK_CH_PINK_NOISE_EN, 0x00},
+	{MAX98388_R209F_SPK_CH_AMP_EN, 0x00},
+	{MAX98388_R20A0_IV_DATA_DSP_CTRL, 0x10},
+	{MAX98388_R20A7_IV_DATA_EN, 0x00},
+	{MAX98388_R20E0_BP_ALC_THRESH, 0x04},
+	{MAX98388_R20E1_BP_ALC_RATES, 0x20},
+	{MAX98388_R20E2_BP_ALC_ATTEN, 0x06},
+	{MAX98388_R20E3_BP_ALC_REL, 0x02},
+	{MAX98388_R20E4_BP_ALC_MUTE, 0x33},
+	{MAX98388_R20EE_BP_INF_HOLD_REL, 0x00},
+	{MAX98388_R20EF_BP_ALC_EN, 0x00},
+	{MAX98388_R210E_AUTO_RESTART, 0x00},
+	{MAX98388_R210F_GLOBAL_EN, 0x00},
+	{MAX98388_R22FF_REV_ID, 0x00},
+};
+
+static int max98388_dac_event(struct snd_soc_dapm_widget *w,
+			      struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(max98388->regmap,
+			     MAX98388_R210F_GLOBAL_EN, 1);
+		usleep_range(30000, 31000);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(max98388->regmap,
+			     MAX98388_R210F_GLOBAL_EN, 0);
+		usleep_range(30000, 31000);
+		max98388->tdm_mode = false;
+		break;
+	default:
+		return 0;
+	}
+	return 0;
+}
+
+static const char * const max98388_monomix_switch_text[] = {
+	"Left", "Right", "LeftRight"};
+
+static const struct soc_enum dai_sel_enum =
+	SOC_ENUM_SINGLE(MAX98388_R2058_PCM_RX_SRC1,
+			MAX98388_PCM_TO_SPK_MONOMIX_CFG_SHIFT,
+			3, max98388_monomix_switch_text);
+
+static const struct snd_kcontrol_new max98388_dai_controls =
+	SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);
+
+static const struct snd_kcontrol_new max98388_vi_control =
+	SOC_DAPM_SINGLE("Switch", MAX98388_R205F_PCM_TX_EN, 0, 1, 0);
+
+static const struct snd_soc_dapm_widget max98388_dapm_widgets[] = {
+	SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback",
+			   MAX98388_R205E_PCM_RX_EN, 0, 0, max98388_dac_event,
+			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
+			 &max98388_dai_controls),
+	SND_SOC_DAPM_OUTPUT("BE_OUT"),
+	SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0,
+			     MAX98388_R20A7_IV_DATA_EN, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0,
+			     MAX98388_R20A7_IV_DATA_EN, 1, 0),
+	SND_SOC_DAPM_ADC("ADC Voltage", NULL,
+			 MAX98388_R205D_PCM_TX_SRC_EN, 0, 0),
+	SND_SOC_DAPM_ADC("ADC Current", NULL,
+			 MAX98388_R205D_PCM_TX_SRC_EN, 1, 0),
+	SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0,
+			    &max98388_vi_control),
+	SND_SOC_DAPM_SIGGEN("VMON"),
+	SND_SOC_DAPM_SIGGEN("IMON"),
+};
+
+static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
+static DECLARE_TLV_DB_SCALE(max98388_amp_gain_tlv, -300, 300, 0);
+
+static const char * const max98388_alc_max_atten_text[] = {
+	"0dBFS", "-1dBFS", "-2dBFS", "-3dBFS", "-4dBFS", "-5dBFS",
+	"-6dBFS", "-7dBFS", "-8dBFS", "-9dBFS", "-10dBFS", "-11dBFS",
+	"-12dBFS", "-13dBFS", "-14dBFS", "-15dBFS"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_max_atten_enum,
+			    MAX98388_R20E2_BP_ALC_ATTEN,
+			    MAX98388_ALC_MAX_ATTEN_SHIFT,
+			    max98388_alc_max_atten_text);
+
+static const char * const max98388_thermal_warn_text[] = {
+	"95C", "105C", "115C", "125C"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_thermal_warning_thresh_enum,
+			    MAX98388_R2020_THERM_WARN_THRESH,
+			    MAX98388_THERM_WARN_THRESH_SHIFT,
+			    max98388_thermal_warn_text);
+
+static const char * const max98388_thermal_shutdown_text[] = {
+	"135C", "145C", "155C", "165C"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_thermal_shutdown_thresh_enum,
+			    MAX98388_R2020_THERM_WARN_THRESH,
+			    MAX98388_THERM_SHDN_THRESH_SHIFT,
+			    max98388_thermal_shutdown_text);
+
+static const char * const max98388_alc_thresh_single_text[] = {
+	"3.625V", "3.550V", "3.475V", "3.400V", "3.325V", "3.250V",
+	"3.175V", "3.100V", "3.025V", "2.950V", "2.875V", "2.800V",
+	"2.725V", "2.650V", "2.575V", "2.500V"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_thresh_single_enum,
+			    MAX98388_R20E0_BP_ALC_THRESH,
+			    MAX98388_ALC_THRESH_SHIFT,
+			    max98388_alc_thresh_single_text);
+
+static const char * const max98388_alc_attack_rate_text[] = {
+	"0", "10us", "20us", "40us", "80us", "160us",
+	"320us", "640us", "1.28ms", "2.56ms", "5.12ms", "10.24ms",
+	"20.48ms", "40.96ms", "81.92ms", "163.84ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_attack_rate_enum,
+			    MAX98388_R20E1_BP_ALC_RATES,
+			    MAX98388_ALC_ATTACK_RATE_SHIFT,
+			    max98388_alc_attack_rate_text);
+
+static const char * const max98388_alc_release_rate_text[] = {
+	"20us", "40us", "80us", "160us", "320us", "640us",
+	"1.28ms", "2.56ms", "5.12ms", "10.24ms", "20.48ms", "40.96ms",
+	"81.92ms", "163.84ms", "327.68ms", "655.36ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_release_rate_enum,
+			    MAX98388_R20E1_BP_ALC_RATES,
+			    MAX98388_ALC_RELEASE_RATE_SHIFT,
+			    max98388_alc_release_rate_text);
+
+static const char * const max98388_alc_debounce_text[] = {
+	"0.01ms", "0.1ms", "1ms", "10ms", "100ms", "250ms", "500ms", "hold"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_debouce_enum,
+			    MAX98388_R20E3_BP_ALC_REL,
+			    MAX98388_ALC_DEBOUNCE_TIME_SHIFT,
+			    max98388_alc_debounce_text);
+
+static const char * const max98388_alc_mute_delay_text[] = {
+	"0.01ms", "0.05ms", "0.1ms", "0.5ms", "1ms", "5ms", "25ms", "250ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_alc_mute_delay_enum,
+			    MAX98388_R20E4_BP_ALC_MUTE,
+			    MAX98388_ALC_MUTE_DELAY_SHIFT,
+			    max98388_alc_mute_delay_text);
+
+static const char * const max98388_spkmon_duration_text[] = {
+	"10ms", "25ms", "50ms", "75ms", "100ms", "200ms", "300ms", "400ms",
+	"500ms", "600ms", "700ms", "800ms", "900ms", "1000ms", "1100ms", "1200ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_spkmon_duration_enum,
+			    MAX98388_R2033_SPK_MON_DURATION,
+			    MAX98388_SPKMON_DURATION_SHIFT,
+			    max98388_spkmon_duration_text);
+
+static const char * const max98388_spkmon_thresh_text[] = {
+	"0.03V", "0.06V", "0.09V", "0.12V", "0.15V", "0.18V", "0.20V", "0.23V",
+	"0.26V", "0.29V", "0.32V", "0.35V", "0.38V", "0.41V", "0.44V", "0.47V",
+	"0.50V", "0.53V", "0.56V", "0.58V", "0.61V", "0.64V", "0.67V", "0.70V",
+	"0.73V", "0.76V", "0.79V", "0.82V", "0.85V", "0.88V", "0.91V", "0.94V",
+	"0.96V", "0.99V", "1.02V", "1.05V", "1.08V", "1.11V", "1.14V", "1.17V",
+	"1.20V", "1.23V", "1.26V", "1.29V", "1.32V", "1.35V", "1.37V", "1.40V",
+	"1.43V", "1.46V", "1.49V", "1.52V", "1.55V", "1.58V", "1.61V", "1.64V",
+	"1.67V", "1.70V", "1.73V", "1.75V", "1.78V", "1.81V", "1.84V", "1.87V",
+	"1.90V", "1.93V", "1.96V", "1.99V", "2.02V", "2.05V", "2.08V", "2.11V",
+	"2.13V", "2.16V", "2.19V", "2.22V", "2.25V", "2.28V", "2.31V", "2.34V",
+	"2.37V", "2.40V", "2.43V", "2.46V", "2.49V", "2.51V", "2.54V", "2.57V",
+	"2.60V", "2.63V", "2.66V", "2.69V", "2.72V", "2.75V", "2.78V", "2.81V",
+	"2.84V", "2.87V", "2.89V", "2.92V", "2.95V", "2.98V", "3.01V", "3.04V",
+	"3.07V", "3.10V", "3.13V", "3.16V", "3.19V", "3.22V", "3.25V", "3.27V",
+	"3.30V", "3.33V", "3.36V", "3.39V", "3.42V", "3.45V", "3.48V", "3.51V",
+	"3.54V", "3.57V", "3.60V", "3.63V", "3.66V", "3.68V", "3.71V", "3.74V"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_spkmon_thresh_enum,
+			    MAX98388_R2031_SPK_MON_THRESH,
+			    MAX98388_SPKMON_THRESH_SHIFT,
+			    max98388_spkmon_thresh_text);
+
+static const char * const max98388_spkmon_load_text[] = {
+	"2.00ohm", "2.25ohm", "2.50ohm", "2.75ohm", "3.00ohm", "3.25ohm",
+	"3.50ohm", "3.75ohm", "4.00ohm", "4.25ohm", "4.50ohm", "4.75ohm",
+	"5.00ohm", "5.25ohm", "5.50ohm", "5.75ohm", "6.00ohm", "6.25ohm",
+	"6.50ohm", "6.75ohm", "7.00ohm", "7.25ohm", "7.50ohm", "7.75ohm",
+	"8.00ohm", "8.25ohm", "8.50ohm", "8.75ohm", "9.00ohm", "9.25ohm",
+	"9.50ohm", "9.75ohm", "10.00ohm", "10.25ohm", "10.50ohm", "10.75ohm",
+	"11.00ohm", "11.25ohm", "11.50ohm", "11.75ohm",	"12.00ohm", "12.25ohm",
+	"12.50ohm", "12.75ohm", "13.00ohm", "13.25ohm", "13.50ohm", "13.75ohm",
+	"14.00ohm", "14.25ohm", "14.50ohm", "14.75ohm", "15.00ohm", "15.25ohm",
+	"15.50ohm", "15.75ohm", "16.00ohm", "16.25ohm", "16.50ohm", "16.75ohm",
+	"17.00ohm", "17.25ohm", "17.50ohm", "17.75ohm", "18.00ohm", "18.25ohm",
+	"18.50ohm", "18.75ohm", "19.00ohm", "19.25ohm", "19.50ohm", "19.75ohm",
+	"20.00ohm", "20.25ohm", "20.50ohm", "20.75ohm", "21.00ohm", "21.25ohm",
+	"21.50ohm", "21.75ohm",	"22.00ohm", "22.25ohm", "22.50ohm", "22.75ohm",
+	"23.00ohm", "23.25ohm", "23.50ohm", "23.75ohm",	"24.00ohm", "24.25ohm",
+	"24.50ohm", "24.75ohm", "25.00ohm", "25.25ohm", "25.50ohm", "25.75ohm",
+	"26.00ohm", "26.25ohm", "26.50ohm", "26.75ohm", "27.00ohm", "27.25ohm",
+	"27.50ohm", "27.75ohm",	"28.00ohm", "28.25ohm", "28.50ohm", "28.75ohm",
+	"29.00ohm", "29.25ohm", "29.50ohm", "29.75ohm",	"30.00ohm", "30.25ohm",
+	"30.50ohm", "30.75ohm", "31.00ohm", "31.25ohm", "31.50ohm", "31.75ohm",
+	"32.00ohm", "32.25ohm", "32.50ohm", "32.75ohm", "33.00ohm", "33.25ohm",
+	"33.50ohm", "33.75ohm"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_spkmon_load_enum,
+			    MAX98388_R2032_SPK_MON_LD_SEL,
+			    MAX98388_SPKMON_LOAD_SHIFT,
+			    max98388_spkmon_load_text);
+
+static const char * const max98388_edge_rate_text[] = {
+	"Normal", "Reduced", "Maximum", "Increased",
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_edge_rate_falling_enum,
+			    MAX98388_R2094_SPK_AMP_ER_CTRL,
+			    MAX98388_EDGE_RATE_FALL_SHIFT,
+			    max98388_edge_rate_text);
+
+static SOC_ENUM_SINGLE_DECL(max98388_edge_rate_rising_enum,
+			    MAX98388_R2094_SPK_AMP_ER_CTRL,
+			    MAX98388_EDGE_RATE_RISE_SHIFT,
+			    max98388_edge_rate_text);
+
+static const char * const max98388_ssm_mod_text[] = {
+	"1.5%", "3.0%", "4.5%", "6.0%",
+};
+
+static SOC_ENUM_SINGLE_DECL(max98388_ssm_mod_enum,
+			    MAX98388_R2093_SPK_AMP_SSM_CFG,
+			    MAX98388_SPK_AMP_SSM_MOD_SHIFT,
+			    max98388_ssm_mod_text);
+
+static const struct snd_kcontrol_new max98388_snd_controls[] = {
+	SOC_SINGLE("Ramp Up Switch", MAX98388_R2091_SPK_CH_CFG,
+		   MAX98388_SPK_CFG_VOL_RMPUP_SHIFT, 1, 0),
+	SOC_SINGLE("Ramp Down Switch", MAX98388_R2091_SPK_CH_CFG,
+		   MAX98388_SPK_CFG_VOL_RMPDN_SHIFT, 1, 0),
+	/* Two Cell Mode Enable */
+	SOC_SINGLE("OP Mode Switch", MAX98388_R2092_SPK_AMP_OUT_CFG,
+		   MAX98388_SPK_AMP_OUT_MODE_SHIFT, 1, 0),
+	/* Speaker Amplifier Overcurrent Automatic Restart Enable */
+	SOC_SINGLE("OVC Autorestart Switch", MAX98388_R210E_AUTO_RESTART,
+		   MAX98388_OVC_AUTORESTART_SHIFT, 1, 0),
+	/* Thermal Shutdown Automatic Restart Enable */
+	SOC_SINGLE("THERM Autorestart Switch", MAX98388_R210E_AUTO_RESTART,
+		   MAX98388_THERM_AUTORESTART_SHIFT, 1, 0),
+	/* PVDD UVLO Auto Restart */
+	SOC_SINGLE("UVLO Autorestart Switch", MAX98388_R210E_AUTO_RESTART,
+		   MAX98388_PVDD_UVLO_AUTORESTART_SHIFT, 1, 0),
+	/* Clock Monitor Automatic Restart Enable */
+	SOC_SINGLE("CMON Autorestart Switch", MAX98388_R210E_AUTO_RESTART,
+		   MAX98388_CMON_AUTORESTART_SHIFT, 1, 0),
+	SOC_SINGLE("CLK Monitor Switch", MAX98388_R2037_ERR_MON_CTRL,
+		   MAX98388_CLOCK_MON_SHIFT, 1, 0),
+	/* Pinknoise Generator Enable */
+	SOC_SINGLE("Pinknoise Gen Switch", MAX98388_R209E_SPK_CH_PINK_NOISE_EN,
+		   MAX98388_PINK_NOISE_GEN_SHIFT, 1, 0),
+	/* Dither Enable */
+	SOC_SINGLE("Dither Switch", MAX98388_R2091_SPK_CH_CFG,
+		   MAX98388_SPK_CFG_DITH_EN_SHIFT, 1, 0),
+	SOC_SINGLE("VI Dither Switch", MAX98388_R20A0_IV_DATA_DSP_CTRL,
+		   MAX98388_AMP_DSP_CTRL_DITH_SHIFT, 1, 0),
+	/* DC Blocker Enable */
+	SOC_SINGLE("DC Blocker Switch", MAX98388_R2091_SPK_CH_CFG,
+		   MAX98388_SPK_CFG_DCBLK_SHIFT, 1, 0),
+	SOC_SINGLE("Voltage DC Blocker Switch", MAX98388_R20A0_IV_DATA_DSP_CTRL,
+		   MAX98388_AMP_DSP_CTRL_VOL_DCBLK_SHIFT, 1, 0),
+	SOC_SINGLE("Current DC Blocker Switch", MAX98388_R20A0_IV_DATA_DSP_CTRL,
+		   MAX98388_AMP_DSP_CTRL_CUR_DCBLK_SHIFT, 1, 0),
+	/* Digital Volume */
+	SOC_SINGLE_TLV("Digital Volume", MAX98388_R2090_SPK_CH_VOL_CTRL,
+		       0, 0x7F, 1, max98388_digital_tlv),
+	/* Speaker Volume */
+	SOC_SINGLE_TLV("Speaker Volume", MAX98388_R2092_SPK_AMP_OUT_CFG,
+		       0, 5, 0, max98388_amp_gain_tlv),
+	SOC_ENUM("Thermal Warn Thresh", max98388_thermal_warning_thresh_enum),
+	SOC_ENUM("Thermal SHDN Thresh", max98388_thermal_shutdown_thresh_enum),
+	/* Brownout Protection Automatic Level Control */
+	SOC_SINGLE("ALC Switch", MAX98388_R20EF_BP_ALC_EN, 0, 1, 0),
+	SOC_ENUM("ALC Thresh", max98388_alc_thresh_single_enum),
+	SOC_ENUM("ALC Attack Rate", max98388_alc_attack_rate_enum),
+	SOC_ENUM("ALC Release Rate", max98388_alc_release_rate_enum),
+	SOC_ENUM("ALC Max Atten", max98388_alc_max_atten_enum),
+	SOC_ENUM("ALC Debounce Time", max98388_alc_debouce_enum),
+	SOC_SINGLE("ALC Unmute Ramp Switch", MAX98388_R20E4_BP_ALC_MUTE,
+		   MAX98388_ALC_UNMUTE_RAMP_EN_SHIFT, 1, 0),
+	SOC_SINGLE("ALC Mute Ramp Switch", MAX98388_R20E4_BP_ALC_MUTE,
+		   MAX98388_ALC_MUTE_RAMP_EN_SHIFT, 1, 0),
+	SOC_SINGLE("ALC Mute Switch", MAX98388_R20E4_BP_ALC_MUTE,
+		   MAX98388_ALC_MUTE_EN_SHIFT, 1, 0),
+	SOC_ENUM("ALC Mute Delay", max98388_alc_mute_delay_enum),
+	/* Speaker Monitor */
+	SOC_SINGLE("SPKMON Switch", MAX98388_R2037_ERR_MON_CTRL,
+		   MAX98388_SPK_MON_SHIFT, 1, 0),
+	SOC_ENUM("SPKMON Thresh", max98388_spkmon_thresh_enum),
+	SOC_ENUM("SPKMON Load", max98388_spkmon_load_enum),
+	SOC_ENUM("SPKMON Duration", max98388_spkmon_duration_enum),
+	/* General Parameters */
+	SOC_ENUM("Fall Slew Rate", max98388_edge_rate_falling_enum),
+	SOC_ENUM("Rise Slew Rate", max98388_edge_rate_rising_enum),
+	SOC_SINGLE("AMP SSM Switch", MAX98388_R2093_SPK_AMP_SSM_CFG,
+		   MAX98388_SPK_AMP_SSM_EN_SHIFT, 1, 0),
+	SOC_ENUM("AMP SSM Mod", max98388_ssm_mod_enum),
+};
+
+static const struct snd_soc_dapm_route max98388_audio_map[] = {
+	/* Plabyack */
+	{"DAI Sel Mux", "Left", "Amp Enable"},
+	{"DAI Sel Mux", "Right", "Amp Enable"},
+	{"DAI Sel Mux", "LeftRight", "Amp Enable"},
+	{"BE_OUT", NULL, "DAI Sel Mux"},
+	/* Capture */
+	{ "ADC Voltage", NULL, "VMON"},
+	{ "ADC Current", NULL, "IMON"},
+	{ "VI Sense", "Switch", "ADC Voltage"},
+	{ "VI Sense", "Switch", "ADC Current"},
+	{ "Voltage Sense", NULL, "VI Sense"},
+	{ "Current Sense", NULL, "VI Sense"},
+};
+
+void max98388_reset(struct max98388_priv *max98388, struct device *dev)
+{
+	int ret, reg, count;
+
+	/* Software Reset */
+	ret = regmap_update_bits(max98388->regmap,
+				 MAX98388_R2000_SW_RESET,
+				 MAX98388_SOFT_RESET,
+				 MAX98388_SOFT_RESET);
+	if (ret)
+		dev_err(dev, "Reset command failed. (ret:%d)\n", ret);
+
+	count = 0;
+	while (count < 3) {
+		usleep_range(10000, 11000);
+		/* Software Reset Verification */
+		ret = regmap_read(max98388->regmap,
+				  MAX98388_R22FF_REV_ID, &reg);
+		if (!ret) {
+			dev_info(dev, "Reset completed (retry:%d)\n", count);
+			return;
+		}
+		count++;
+	}
+	dev_err(dev, "Reset failed. (ret:%d)\n", ret);
+}
+
+static int max98388_probe(struct snd_soc_component *component)
+{
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+
+	/* Software Reset */
+	max98388_reset(max98388, component->dev);
+
+	/* General channel source configuration */
+	regmap_write(max98388->regmap,
+		     MAX98388_R2059_PCM_RX_SRC2,
+		     0x10);
+
+	/* Enable DC blocker */
+	regmap_write(max98388->regmap,
+		     MAX98388_R2091_SPK_CH_CFG,
+		     0x1);
+	/* Enable IMON VMON DC blocker */
+	regmap_write(max98388->regmap,
+		     MAX98388_R20A0_IV_DATA_DSP_CTRL,
+		     0x3);
+	/* TX slot configuration */
+	regmap_write(max98388->regmap,
+		     MAX98388_R2044_PCM_TX_CTRL1,
+		     max98388->v_slot);
+
+	regmap_write(max98388->regmap,
+		     MAX98388_R2045_PCM_TX_CTRL2,
+		     max98388->i_slot);
+	/* Enable Auto-restart behavior by default */
+	regmap_write(max98388->regmap,
+		     MAX98388_R210E_AUTO_RESTART, 0xF);
+	/* Set interleave mode */
+	if (max98388->interleave_mode)
+		regmap_update_bits(max98388->regmap,
+				   MAX98388_R2040_PCM_MODE_CFG,
+				   MAX98388_PCM_TX_CH_INTERLEAVE_MASK,
+				   MAX98388_PCM_TX_CH_INTERLEAVE_MASK);
+
+	/* Speaker Amplifier Channel Enable */
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R209F_SPK_CH_AMP_EN,
+			   MAX98388_SPK_EN_MASK, 1);
+
+	return 0;
+}
+
+static int max98388_dai_set_fmt(struct snd_soc_dai *codec_dai,
+				unsigned int fmt)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+	unsigned int format = 0;
+	unsigned int invert = 0;
+
+	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		invert = MAX98388_PCM_MODE_CFG_PCM_BCLKEDGE;
+		break;
+	default:
+		dev_err(component->dev, "DAI invert mode unsupported\n");
+		return -EINVAL;
+	}
+
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R2041_PCM_CLK_SETUP,
+			   MAX98388_PCM_MODE_CFG_PCM_BCLKEDGE,
+			   invert);
+
+	/* interface format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		format = MAX98388_PCM_FORMAT_I2S;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		format = MAX98388_PCM_FORMAT_LJ;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		format = MAX98388_PCM_FORMAT_TDM_MODE1;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		format = MAX98388_PCM_FORMAT_TDM_MODE0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R2040_PCM_MODE_CFG,
+			   MAX98388_PCM_MODE_CFG_FORMAT_MASK,
+			   format << MAX98388_PCM_MODE_CFG_FORMAT_SHIFT);
+
+	return 0;
+}
+
+/* BCLKs per LRCLK */
+static const int bclk_sel_table[] = {
+	32, 48, 64, 96, 128, 192, 256, 384, 512, 320,
+};
+
+static int max98388_get_bclk_sel(int bclk)
+{
+	int i;
+	/* match BCLKs per LRCLK */
+	for (i = 0; i < ARRAY_SIZE(bclk_sel_table); i++) {
+		if (bclk_sel_table[i] == bclk)
+			return i + 2;
+	}
+	return 0;
+}
+
+static int max98388_set_clock(struct snd_soc_component *component,
+			      struct snd_pcm_hw_params *params)
+{
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+	/* BCLK/LRCLK ratio calculation */
+	int blr_clk_ratio = params_channels(params) * max98388->ch_size;
+	int value;
+
+	if (!max98388->tdm_mode) {
+		/* BCLK configuration */
+		value = max98388_get_bclk_sel(blr_clk_ratio);
+		if (!value) {
+			dev_err(component->dev, "format unsupported %d\n",
+				params_format(params));
+			return -EINVAL;
+		}
+
+		regmap_update_bits(max98388->regmap,
+				   MAX98388_R2041_PCM_CLK_SETUP,
+				   MAX98388_PCM_CLK_SETUP_BSEL_MASK,
+				   value);
+	}
+	return 0;
+}
+
+static int max98388_dai_hw_params(struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *params,
+				  struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+	unsigned int sampling_rate = 0;
+	unsigned int chan_sz = 0;
+	int ret, reg;
+	int status = 0;
+
+	/* pcm mode configuration */
+	switch (snd_pcm_format_width(params_format(params))) {
+	case 16:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_16;
+		break;
+	case 24:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_24;
+		break;
+	case 32:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_32;
+		break;
+	default:
+		dev_err(component->dev, "format unsupported %d\n",
+			params_format(params));
+		goto err;
+	}
+
+	max98388->ch_size = snd_pcm_format_width(params_format(params));
+
+	ret = regmap_read(max98388->regmap,
+			  MAX98388_R2040_PCM_MODE_CFG, &reg);
+	if (ret < 0)
+		goto err;
+
+	/* GLOBAL_EN OFF prior to the channel size re-configure */
+	if (chan_sz != (reg & MAX98388_PCM_MODE_CFG_CHANSZ_MASK))	{
+		ret = regmap_read(max98388->regmap,
+				  MAX98388_R210F_GLOBAL_EN, &status);
+		if (ret < 0)
+			goto err;
+
+		if (status) {
+			regmap_write(max98388->regmap,
+				     MAX98388_R210F_GLOBAL_EN, 0);
+			usleep_range(30000, 31000);
+		}
+		regmap_update_bits(max98388->regmap,
+				   MAX98388_R2040_PCM_MODE_CFG,
+				   MAX98388_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
+	}
+	dev_dbg(component->dev, "format supported %d",
+		params_format(params));
+
+	/* sampling rate configuration */
+	switch (params_rate(params)) {
+	case 8000:
+		sampling_rate = MAX98388_PCM_SR_8000;
+		break;
+	case 11025:
+		sampling_rate = MAX98388_PCM_SR_11025;
+		break;
+	case 12000:
+		sampling_rate = MAX98388_PCM_SR_12000;
+		break;
+	case 16000:
+		sampling_rate = MAX98388_PCM_SR_16000;
+		break;
+	case 22050:
+		sampling_rate = MAX98388_PCM_SR_22050;
+		break;
+	case 24000:
+		sampling_rate = MAX98388_PCM_SR_24000;
+		break;
+	case 32000:
+		sampling_rate = MAX98388_PCM_SR_32000;
+		break;
+	case 44100:
+		sampling_rate = MAX98388_PCM_SR_44100;
+		break;
+	case 48000:
+		sampling_rate = MAX98388_PCM_SR_48000;
+		break;
+	case 88200:
+		sampling_rate = MAX98388_PCM_SR_88200;
+		break;
+	case 96000:
+		sampling_rate = MAX98388_PCM_SR_96000;
+		break;
+	default:
+		dev_err(component->dev, "rate %d not supported\n",
+			params_rate(params));
+		goto err;
+	}
+
+	/* set DAI_SR to correct LRCLK frequency */
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R2042_PCM_SR_SETUP,
+			   MAX98388_PCM_SR_MASK,
+			   sampling_rate);
+
+	/* set sampling rate of IV */
+	if (max98388->interleave_mode &&
+	    sampling_rate > MAX98388_PCM_SR_16000)
+		regmap_update_bits(max98388->regmap,
+				   MAX98388_R2042_PCM_SR_SETUP,
+				   MAX98388_PCM_SR_IV_MASK,
+				   (sampling_rate - 3) << MAX98388_PCM_SR_IV_SHIFT);
+	else
+		regmap_update_bits(max98388->regmap,
+				   MAX98388_R2042_PCM_SR_SETUP,
+				   MAX98388_PCM_SR_IV_MASK,
+				   sampling_rate << MAX98388_PCM_SR_IV_SHIFT);
+
+	ret = max98388_set_clock(component, params);
+
+	if (status) {
+		regmap_write(max98388->regmap,
+			     MAX98388_R210F_GLOBAL_EN, 1);
+		usleep_range(30000, 31000);
+	}
+
+	return ret;
+
+err:
+	return -EINVAL;
+}
+
+#define MAX_NUM_SLOTS 16
+#define MAX_NUM_CH 2
+
+static int max98388_dai_tdm_slot(struct snd_soc_dai *dai,
+				 unsigned int tx_mask, unsigned int rx_mask,
+				 int slots, int slot_width)
+{
+	struct snd_soc_component *component = dai->component;
+	struct max98388_priv *max98388 = snd_soc_component_get_drvdata(component);
+	int bsel = 0;
+	unsigned int chan_sz = 0;
+	unsigned int mask;
+	int cnt, slot_found;
+	int addr, bits;
+
+	if (!tx_mask && !rx_mask && !slots && !slot_width)
+		max98388->tdm_mode = false;
+	else
+		max98388->tdm_mode = true;
+
+	/* BCLK configuration */
+	bsel = max98388_get_bclk_sel(slots * slot_width);
+	if (bsel == 0) {
+		dev_err(component->dev, "BCLK %d not supported\n",
+			slots * slot_width);
+		return -EINVAL;
+	}
+
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R2041_PCM_CLK_SETUP,
+			   MAX98388_PCM_CLK_SETUP_BSEL_MASK,
+			   bsel);
+
+	/* Channel size configuration */
+	switch (slot_width) {
+	case 16:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_16;
+		break;
+	case 24:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_24;
+		break;
+	case 32:
+		chan_sz = MAX98388_PCM_MODE_CFG_CHANSZ_32;
+		break;
+	default:
+		dev_err(component->dev, "format unsupported %d\n",
+			slot_width);
+		return -EINVAL;
+	}
+
+	regmap_update_bits(max98388->regmap,
+			   MAX98388_R2040_PCM_MODE_CFG,
+			   MAX98388_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
+
+	/* Rx slot configuration */
+	slot_found = 0;
+	mask = rx_mask;
+	for (cnt = 0 ; cnt < MAX_NUM_SLOTS ; cnt++, mask >>= 1) {
+		if (mask & 0x1) {
+			if (slot_found == 0)
+				regmap_update_bits(max98388->regmap,
+						   MAX98388_R2059_PCM_RX_SRC2,
+						   MAX98388_RX_SRC_CH0_SHIFT,
+						   cnt);
+			else
+				regmap_update_bits(max98388->regmap,
+						   MAX98388_R2059_PCM_RX_SRC2,
+						   MAX98388_RX_SRC_CH1_SHIFT,
+						   cnt);
+			slot_found++;
+			if (slot_found >= MAX_NUM_CH)
+				break;
+		}
+	}
+
+	/* speaker feedback slot configuration */
+	slot_found = 0;
+	mask = tx_mask;
+	for (cnt = 0 ; cnt < MAX_NUM_SLOTS ; cnt++, mask >>= 1) {
+		if (mask & 0x1) {
+			addr = MAX98388_R2044_PCM_TX_CTRL1 + (cnt / 8);
+			bits = cnt % 8;
+			regmap_update_bits(max98388->regmap, addr, bits, bits);
+			if (slot_found >= MAX_NUM_CH)
+				break;
+		}
+	}
+
+	return 0;
+}
+
+#define MAX98388_RATES SNDRV_PCM_RATE_8000_96000
+
+#define MAX98388_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static const struct snd_soc_dai_ops max98388_dai_ops = {
+	.set_fmt = max98388_dai_set_fmt,
+	.hw_params = max98388_dai_hw_params,
+	.set_tdm_slot = max98388_dai_tdm_slot,
+};
+
+static bool max98388_readable_register(struct device *dev,
+				       unsigned int reg)
+{
+	switch (reg) {
+	case MAX98388_R2001_INT_RAW1 ... MAX98388_R2002_INT_RAW2:
+	case MAX98388_R2004_INT_STATE1... MAX98388_R2005_INT_STATE2:
+	case MAX98388_R2020_THERM_WARN_THRESH:
+	case MAX98388_R2031_SPK_MON_THRESH
+		... MAX98388_R2033_SPK_MON_DURATION:
+	case MAX98388_R2037_ERR_MON_CTRL:
+	case MAX98388_R2040_PCM_MODE_CFG
+		... MAX98388_R2042_PCM_SR_SETUP:
+	case MAX98388_R2044_PCM_TX_CTRL1
+		... MAX98388_R2045_PCM_TX_CTRL2:
+	case MAX98388_R2050_PCM_TX_HIZ_CTRL1
+		... MAX98388_R2059_PCM_RX_SRC2:
+	case MAX98388_R205C_PCM_TX_DRIVE_STRENGTH
+		... MAX98388_R205F_PCM_TX_EN:
+	case MAX98388_R2090_SPK_CH_VOL_CTRL
+		... MAX98388_R2094_SPK_AMP_ER_CTRL:
+	case MAX98388_R209E_SPK_CH_PINK_NOISE_EN
+		... MAX98388_R209F_SPK_CH_AMP_EN:
+	case MAX98388_R20A0_IV_DATA_DSP_CTRL:
+	case MAX98388_R20A7_IV_DATA_EN:
+	case MAX98388_R20E0_BP_ALC_THRESH ... MAX98388_R20E4_BP_ALC_MUTE:
+	case MAX98388_R20EE_BP_INF_HOLD_REL ... MAX98388_R20EF_BP_ALC_EN:
+	case MAX98388_R210E_AUTO_RESTART:
+	case MAX98388_R210F_GLOBAL_EN:
+	case MAX98388_R22FF_REV_ID:
+		return true;
+	default:
+		return false;
+	}
+};
+
+static bool max98388_volatile_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case MAX98388_R2001_INT_RAW1 ... MAX98388_R2005_INT_STATE2:
+	case MAX98388_R210F_GLOBAL_EN:
+	case MAX98388_R22FF_REV_ID:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static struct snd_soc_dai_driver max98388_dai[] = {
+	{
+		.name = "max98388-aif1",
+		.playback = {
+			.stream_name = "HiFi Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MAX98388_RATES,
+			.formats = MAX98388_FORMATS,
+		},
+		.capture = {
+			.stream_name = "HiFi Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MAX98388_RATES,
+			.formats = MAX98388_FORMATS,
+		},
+		.ops = &max98388_dai_ops,
+	}
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int max98388_suspend(struct device *dev)
+{
+	struct max98388_priv *max98388 = dev_get_drvdata(dev);
+
+	regcache_cache_only(max98388->regmap, true);
+	regcache_mark_dirty(max98388->regmap);
+
+	return 0;
+}
+
+static int max98388_resume(struct device *dev)
+{
+	struct max98388_priv *max98388 = dev_get_drvdata(dev);
+
+	regcache_cache_only(max98388->regmap, false);
+	max98388_reset(max98388, dev);
+	regcache_sync(max98388->regmap);
+
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops max98388_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(max98388_suspend, max98388_resume)
+};
+
+static const struct regmap_config max98388_regmap = {
+	.reg_bits = 16,
+	.val_bits = 8,
+	.max_register = MAX98388_R22FF_REV_ID,
+	.reg_defaults  = max98388_reg,
+	.num_reg_defaults = ARRAY_SIZE(max98388_reg),
+	.readable_reg = max98388_readable_register,
+	.volatile_reg = max98388_volatile_reg,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+const struct snd_soc_component_driver soc_codec_dev_max98388 = {
+	.probe			= max98388_probe,
+	.controls		= max98388_snd_controls,
+	.num_controls		= ARRAY_SIZE(max98388_snd_controls),
+	.dapm_widgets		= max98388_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(max98388_dapm_widgets),
+	.dapm_routes		= max98388_audio_map,
+	.num_dapm_routes	= ARRAY_SIZE(max98388_audio_map),
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+};
+
+void max98388_read_deveice_property(struct device *dev,
+				    struct max98388_priv *max98388)
+{
+	int value;
+
+	if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value))
+		max98388->v_slot = value & 0xF;
+	else
+		max98388->v_slot = 0;
+
+	if (!device_property_read_u32(dev, "adi,imon-slot-no", &value))
+		max98388->i_slot = value & 0xF;
+	else
+		max98388->i_slot = 1;
+
+	if (device_property_read_bool(dev, "adi,interleave-mode"))
+		max98388->interleave_mode = true;
+	else
+		max98388->interleave_mode = false;
+
+	if (dev->of_node) {
+		max98388->reset_gpio = of_get_named_gpio(dev->of_node,
+							 "reset-gpio", 0);
+		if (!gpio_is_valid(max98388->reset_gpio)) {
+			dev_err(dev, "Looking up %s property in node %s failed %d\n",
+				"reset-gpio", dev->of_node->full_name,
+				max98388->reset_gpio);
+		} else {
+			dev_dbg(dev, "reset-gpio=%d",
+				max98388->reset_gpio);
+		}
+	} else {
+		/* this makes reset_gpio as invalid */
+		max98388->reset_gpio = -1;
+	}
+}
+
+static int max98388_i2c_probe(struct i2c_client *i2c)
+{
+	int ret = 0;
+	int reg = 0;
+
+	struct max98388_priv *max98388 = NULL;
+
+	max98388 = devm_kzalloc(&i2c->dev, sizeof(*max98388), GFP_KERNEL);
+
+	if (!max98388) {
+		ret = -ENOMEM;
+		return ret;
+	}
+	i2c_set_clientdata(i2c, max98388);
+
+	/* regmap initialization */
+	max98388->regmap = devm_regmap_init_i2c(i2c, &max98388_regmap);
+	if (IS_ERR(max98388->regmap)) {
+		ret = PTR_ERR(max98388->regmap);
+		dev_err(&i2c->dev,
+			"Failed to allocate regmap: %d\n", ret);
+		return ret;
+	}
+
+	/* voltage/current slot & gpio configuration */
+	max98388_read_deveice_property(&i2c->dev, max98388);
+
+	/* Power on device */
+	if (gpio_is_valid(max98388->reset_gpio)) {
+		ret = devm_gpio_request(&i2c->dev, max98388->reset_gpio,
+					"MAX98388_RESET");
+		if (ret) {
+			dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",
+				__func__, max98388->reset_gpio);
+			return -EINVAL;
+		}
+		gpio_direction_output(max98388->reset_gpio, 0);
+		msleep(50);
+		gpio_direction_output(max98388->reset_gpio, 1);
+		msleep(20);
+	}
+
+	/* Read Revision ID */
+	ret = regmap_read(max98388->regmap,
+			  MAX98388_R22FF_REV_ID, &reg);
+	if (ret < 0) {
+		dev_err(&i2c->dev,
+			"Failed to read: 0x%02X\n", MAX98388_R22FF_REV_ID);
+		return ret;
+	}
+	dev_info(&i2c->dev, "MAX98388 revisionID: 0x%02X\n", reg);
+
+	/* codec registration */
+	ret = devm_snd_soc_register_component(&i2c->dev,
+					      &soc_codec_dev_max98388,
+					      max98388_dai,
+					      ARRAY_SIZE(max98388_dai));
+	if (ret < 0)
+		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
+
+	return ret;
+}
+
+static const struct i2c_device_id max98388_i2c_id[] = {
+	{ "max98388", 0},
+	{ },
+};
+
+MODULE_DEVICE_TABLE(i2c, max98388_i2c_id);
+
+#if defined(CONFIG_OF)
+static const struct of_device_id max98388_of_match[] = {
+	{ .compatible = "adi,max98388", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, max98388_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id max98388_acpi_match[] = {
+	{ "ADS8388", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, max98388_acpi_match);
+#endif
+
+static struct i2c_driver max98388_i2c_driver = {
+	.driver = {
+		.name = "max98388",
+		.of_match_table = of_match_ptr(max98388_of_match),
+		.acpi_match_table = ACPI_PTR(max98388_acpi_match),
+		.pm = &max98388_pm,
+	},
+	.probe = max98388_i2c_probe,
+	.id_table = max98388_i2c_id,
+};
+
+module_i2c_driver(max98388_i2c_driver)
+
+MODULE_DESCRIPTION("ALSA SoC MAX98388 driver");
+MODULE_AUTHOR("Ryan Lee <ryans.lee@analog.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/max98388.h b/sound/soc/codecs/max98388.h
new file mode 100644
index 000000000000..74f8c86381ac
--- /dev/null
+++ b/sound/soc/codecs/max98388.h
@@ -0,0 +1,234 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * max98388.h -- MAX98388 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2022, Analog Devices Inc.
+ */
+
+#ifndef _MAX98388_H
+#define _MAX98388_H
+
+/* Device Status Registers */
+#define MAX98388_R2000_SW_RESET			0x2000
+#define MAX98388_R2001_INT_RAW1			0x2001
+#define MAX98388_R2002_INT_RAW2			0x2002
+#define MAX98388_R2004_INT_STATE1		0x2004
+#define MAX98388_R2005_INT_STATE2		0x2005
+/* Thermal Protection Registers */
+#define MAX98388_R2020_THERM_WARN_THRESH	0x2020
+/* Error Monitor */
+#define MAX98388_R2031_SPK_MON_THRESH		0x2031
+#define MAX98388_R2032_SPK_MON_LD_SEL		0x2032
+#define MAX98388_R2033_SPK_MON_DURATION		0x2033
+#define MAX98388_R2037_ERR_MON_CTRL		0x2037
+/* PCM Registers */
+#define MAX98388_R2040_PCM_MODE_CFG		0x2040
+#define MAX98388_R2041_PCM_CLK_SETUP		0x2041
+#define MAX98388_R2042_PCM_SR_SETUP		0x2042
+#define MAX98388_R2044_PCM_TX_CTRL1		0x2044
+#define MAX98388_R2045_PCM_TX_CTRL2		0x2045
+#define MAX98388_R2050_PCM_TX_HIZ_CTRL1		0x2050
+#define MAX98388_R2051_PCM_TX_HIZ_CTRL2		0x2051
+#define MAX98388_R2052_PCM_TX_HIZ_CTRL3		0x2052
+#define MAX98388_R2053_PCM_TX_HIZ_CTRL4		0x2053
+#define MAX98388_R2054_PCM_TX_HIZ_CTRL5		0x2054
+#define MAX98388_R2055_PCM_TX_HIZ_CTRL6		0x2055
+#define MAX98388_R2056_PCM_TX_HIZ_CTRL7		0x2056
+#define MAX98388_R2057_PCM_TX_HIZ_CTRL8		0x2057
+#define MAX98388_R2058_PCM_RX_SRC1		0x2058
+#define MAX98388_R2059_PCM_RX_SRC2		0x2059
+#define MAX98388_R205C_PCM_TX_DRIVE_STRENGTH	0x205C
+#define MAX98388_R205D_PCM_TX_SRC_EN		0x205D
+#define MAX98388_R205E_PCM_RX_EN		0x205E
+#define MAX98388_R205F_PCM_TX_EN		0x205F
+/* Speaker Channel Control */
+#define MAX98388_R2090_SPK_CH_VOL_CTRL		0x2090
+#define MAX98388_R2091_SPK_CH_CFG		0x2091
+#define MAX98388_R2092_SPK_AMP_OUT_CFG		0x2092
+#define MAX98388_R2093_SPK_AMP_SSM_CFG		0x2093
+#define MAX98388_R2094_SPK_AMP_ER_CTRL		0x2094
+#define MAX98388_R209E_SPK_CH_PINK_NOISE_EN	0x209E
+#define MAX98388_R209F_SPK_CH_AMP_EN		0x209F
+#define MAX98388_R20A0_IV_DATA_DSP_CTRL		0x20A0
+#define MAX98388_R20A7_IV_DATA_EN		0x20A7
+#define MAX98388_R20E0_BP_ALC_THRESH		0x20E0
+#define MAX98388_R20E1_BP_ALC_RATES		0x20E1
+#define MAX98388_R20E2_BP_ALC_ATTEN		0x20E2
+#define MAX98388_R20E3_BP_ALC_REL		0x20E3
+#define MAX98388_R20E4_BP_ALC_MUTE		0x20E4
+#define MAX98388_R20EE_BP_INF_HOLD_REL		0x20EE
+#define MAX98388_R20EF_BP_ALC_EN		0x20EF
+#define MAX98388_R210E_AUTO_RESTART		0x210E
+#define MAX98388_R210F_GLOBAL_EN		0x210F
+#define MAX98388_R22FF_REV_ID			0x22FF
+
+/* MAX98388_R2000_SW_RESET */
+#define MAX98388_SOFT_RESET			(0x1 << 0)
+
+/* MAX98388_R2020_THERM_WARN_THRESH */
+#define MAX98388_THERM_SHDN_THRESH_SHIFT	(0)
+#define MAX98388_THERM_WARN_THRESH_SHIFT	(2)
+
+/* MAX98388_R2022_PCM_TX_SRC_1 */
+#define MAX98388_PCM_TX_CH_SRC_A_V_SHIFT	(0)
+#define MAX98388_PCM_TX_CH_SRC_A_I_SHIFT	(4)
+
+/* MAX98388_R2024_PCM_DATA_FMT_CFG */
+#define MAX98388_PCM_MODE_CFG_FORMAT_MASK	(0x7 << 3)
+#define MAX98388_PCM_MODE_CFG_FORMAT_SHIFT	(3)
+#define MAX98388_PCM_TX_CH_INTERLEAVE_MASK	(0x1 << 2)
+#define MAX98388_PCM_FORMAT_I2S			(0x0 << 0)
+#define MAX98388_PCM_FORMAT_LJ			(0x1 << 0)
+#define MAX98388_PCM_FORMAT_TDM_MODE0		(0x3 << 0)
+#define MAX98388_PCM_FORMAT_TDM_MODE1		(0x4 << 0)
+#define MAX98388_PCM_FORMAT_TDM_MODE2		(0x5 << 0)
+#define MAX98388_PCM_MODE_CFG_CHANSZ_MASK	(0x3 << 6)
+#define MAX98388_PCM_MODE_CFG_CHANSZ_16		(0x1 << 6)
+#define MAX98388_PCM_MODE_CFG_CHANSZ_24		(0x2 << 6)
+#define MAX98388_PCM_MODE_CFG_CHANSZ_32		(0x3 << 6)
+
+/* MAX98388_R2031_SPK_MON_THRESH */
+#define MAX98388_SPKMON_THRESH_SHIFT		(0)
+
+/* MAX98388_R2032_SPK_MON_LD_SEL */
+#define MAX98388_SPKMON_LOAD_SHIFT		(0)
+
+/* MAX98388_R2033_SPK_MON_DURATION */
+#define MAX98388_SPKMON_DURATION_SHIFT		(0)
+
+/* MAX98388_R2037_ERR_MON_CTRL */
+#define MAX98388_CLOCK_MON_SHIFT		(0)
+#define MAX98388_SPK_MON_SHIFT			(1)
+
+/* MAX98388_R203E_AMP_PATH_GAIN */
+#define MAX98388_SPK_DIGI_GAIN_MASK		(0xF << 4)
+#define MAX98388_SPK_DIGI_GAIN_SHIFT		(4)
+#define MAX98388_FS_GAIN_MAX_MASK		(0xF << 0)
+#define MAX98388_FS_GAIN_MAX_SHIFT		(0)
+
+/* MAX98388_R2041_PCM_CLK_SETUP */
+#define MAX98388_PCM_MODE_CFG_PCM_BCLKEDGE	(0x1 << 4)
+#define MAX98388_PCM_CLK_SETUP_BSEL_MASK	(0xF << 0)
+
+/* MAX98388_R2042_PCM_SR_SETUP */
+#define MAX98388_PCM_SR_MASK			(0xF << 0)
+#define MAX98388_PCM_SR_IV_MASK			(0xF << 4)
+#define MAX98388_PCM_SR_IV_SHIFT			(4)
+#define MAX98388_PCM_SR_8000			(0x0 << 0)
+#define MAX98388_PCM_SR_11025			(0x1 << 0)
+#define MAX98388_PCM_SR_12000			(0x2 << 0)
+#define MAX98388_PCM_SR_16000			(0x3 << 0)
+#define MAX98388_PCM_SR_22050			(0x4 << 0)
+#define MAX98388_PCM_SR_24000			(0x5 << 0)
+#define MAX98388_PCM_SR_32000			(0x6 << 0)
+#define MAX98388_PCM_SR_44100			(0x7 << 0)
+#define MAX98388_PCM_SR_48000			(0x8 << 0)
+#define MAX98388_PCM_SR_88200			(0x9 << 0)
+#define MAX98388_PCM_SR_96000			(0xA << 0)
+
+/* MAX98388_R2043_AMP_EN */
+#define MAX98388_SPK_EN_MASK			(0x1 << 0)
+#define MAX98388_SPKFB_EN_MASK			(0x1 << 1)
+#define MAX98388_SPKFB_EN_SHIFT			(1)
+
+/* MAX98388_R2052_MEAS_ADC_PVDD_FLT_CFG */
+#define MAX98388_FLT_EN_SHIFT			(4)
+
+/* MAX98388_R2058_PCM_RX_SRC1 */
+#define MAX98388_PCM_TO_SPK_MONOMIX_CFG_SHIFT	(0)
+
+/* MAX98388_R2059_PCM_RX_SRC2 */
+#define MAX98388_RX_SRC_CH0_SHIFT		(0)
+#define MAX98388_RX_SRC_CH1_SHIFT		(4)
+
+/* MAX98388_R2091_SPK_CH_CFG */
+#define MAX98388_SPK_CFG_DCBLK_SHIFT		(0)
+#define MAX98388_SPK_CFG_DITH_EN_SHIFT		(1)
+#define MAX98388_SPK_CFG_INV_SHIFT		(2)
+#define MAX98388_SPK_CFG_VOL_RMPUP_SHIFT	(3)
+#define MAX98388_SPK_CFG_VOL_RMPDN_SHIFT	(4)
+
+/* MAX98388_R2092_SPK_AMP_OUT_CFG */
+#define MAX98388_SPK_AMP_OUT_GAIN_SHIFT		(0)
+#define MAX98388_SPK_AMP_OUT_MODE_SHIFT		(3)
+
+/* MAX98388_R2093_SPK_AMP_SSM_CFG */
+#define MAX98388_SPK_AMP_SSM_EN_SHIFT		(0)
+#define MAX98388_SPK_AMP_SSM_MOD_SHIFT		(1)
+
+/* MAX98388_R2094_SPK_AMP_ER_CTRL */
+#define MAX98388_EDGE_RATE_RISE_SHIFT		(0)
+#define MAX98388_EDGE_RATE_FALL_SHIFT		(2)
+
+/* MAX98388_R209E_SPK_CH_PINK_NOISE_EN */
+#define MAX98388_PINK_NOISE_GEN_SHIFT		(0)
+
+/* MAX98388_R20A0_IV_DATA_DSP_CTRL */
+#define MAX98388_AMP_DSP_CTRL_VOL_DCBLK_SHIFT	(0)
+#define MAX98388_AMP_DSP_CTRL_CUR_DCBLK_SHIFT	(1)
+#define MAX98388_AMP_DSP_CTRL_VOL_INV_SHIFT	(2)
+#define MAX98388_AMP_DSP_CTRL_CUR_INV_SHIFT	(3)
+#define MAX98388_AMP_DSP_CTRL_DITH_SHIFT	(4)
+
+/* MAX98388_R20B2_BDE_L4_CFG_2 */
+#define MAX98388_LVL4_HOLD_EN_SHIFT		(6)
+#define MAX98388_LVL4_MUTE_EN_SHIFT		(7)
+
+/* MAX98388_R20B5_BDE_EN */
+#define MAX98388_BDE_EN_SHIFT			(0)
+
+/* MAX98388_R20D1_DHT_CFG */
+#define MAX98388_DHT_ROT_PNT_SHIFT		(0)
+#define MAX98388_DHT_SPK_GAIN_MIN_SHIFT		(4)
+
+/* MAX98388_R20D2_DHT_ATTACK_CFG */
+#define MAX98388_DHT_ATTACK_RATE_SHIFT		(0)
+#define MAX98388_DHT_ATTACK_STEP_SHIFT		(3)
+
+/* MAX98388_R20D3_DHT_RELEASE_CFG */
+#define MAX98388_DHT_RELEASE_RATE_SHIFT		(0)
+#define MAX98388_DHT_RELEASE_STEP_SHIFT		(3)
+
+/* MAX98388_R20D4_DHT_EN */
+#define MAX98388_DHT_EN_SHIFT			(0)
+
+/* MAX98388_R20E0_BP_ALC_THRESH */
+#define MAX98388_ALC_THRESH_SHIFT		(0)
+
+/* MAX98388_R20E1_BP_ALC_RATES */
+#define MAX98388_ALC_RELEASE_RATE_SHIFT		(0)
+#define MAX98388_ALC_ATTACK_RATE_SHIFT		(4)
+
+/* MAX98388_R20E2_BP_ALC_ATTEN */
+#define MAX98388_ALC_MAX_ATTEN_SHIFT		(0)
+
+/* MAX98388_R20E3_BP_ALC_REL */
+#define MAX98388_ALC_DEBOUNCE_TIME_SHIFT	(0)
+
+/* MAX98388_R20E4_BP_ALC_MUTE */
+#define MAX98388_ALC_MUTE_EN_SHIFT		(0)
+#define MAX98388_ALC_MUTE_DELAY_SHIFT		(1)
+#define MAX98388_ALC_MUTE_RAMP_EN_SHIFT		(4)
+#define MAX98388_ALC_UNMUTE_RAMP_EN_SHIFT	(5)
+
+/* MAX98388_R210E_AUTO_RESTART */
+#define MAX98388_PVDD_UVLO_AUTORESTART_SHIFT	(0)
+#define MAX98388_THERM_AUTORESTART_SHIFT	(1)
+#define MAX98388_OVC_AUTORESTART_SHIFT		(2)
+#define MAX98388_CMON_AUTORESTART_SHIFT		(3)
+
+/* MAX98388_R210F_GLOBAL_EN */
+#define MAX98388_GLOBAL_EN_MASK			(0x1 << 0)
+
+struct max98388_priv {
+	struct regmap *regmap;
+	int reset_gpio;
+	unsigned int v_slot;
+	unsigned int i_slot;
+	unsigned int spkfb_slot;
+	bool interleave_mode;
+	unsigned int ch_size;
+	bool tdm_mode;
+};
+
+#endif
-- 
2.34.1