diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index aa2cdfa..99746bb 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -159,7 +159,6 @@
 	rk3399-roc-pc.dtb \
 	rk3399-roc-pc-mezzanine.dtb \
 	rk3399-rock-pi-4a.dtb \
-	rk3399-rock-pi-4b.dtb \
 	rk3399-rock-pi-4c.dtb \
 	rk3399-rock960.dtb \
 	rk3399-rockpro64.dtb \
diff --git a/arch/arm/dts/rk3399-rock-pi-4.dtsi b/arch/arm/dts/rk3399-rock-pi-4.dtsi
index b28888e..907071d 100644
--- a/arch/arm/dts/rk3399-rock-pi-4.dtsi
+++ b/arch/arm/dts/rk3399-rock-pi-4.dtsi
@@ -6,14 +6,15 @@
 
 /dts-v1/;
 #include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/leds/common.h>
 #include <dt-bindings/pwm/pwm.h>
 #include "rk3399.dtsi"
 #include "rk3399-opp.dtsi"
 
 / {
 	aliases {
-		mmc0 = &sdmmc;
-		mmc1 = &sdhci;
+		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
 	};
 
 	chosen {
@@ -27,6 +28,20 @@
 		#clock-cells = <0>;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&user_led2>;
+
+		/* USER_LED2 */
+		led-0 {
+			function = LED_FUNCTION_STATUS;
+			color = <LED_COLOR_ID_BLUE>;
+			gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
 	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		clocks = <&rk808 1>;
@@ -36,6 +51,40 @@
 		reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
 	};
 
+	sound: sound {
+		compatible = "audio-graph-card";
+		label = "Analog";
+		dais = <&i2s0_p0>;
+	};
+
+	sound-dit {
+		compatible = "audio-graph-card";
+		label = "SPDIF";
+		dais = <&spdif_p0>;
+	};
+
+	spdif-dit {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+
+		port {
+			dit_p0_0: endpoint {
+				remote-endpoint = <&spdif_p0_0>;
+			};
+		};
+	};
+
+	vbus_typec: vbus-typec-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_typec_en>;
+		regulator-name = "vbus_typec";
+		regulator-always-on;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
 	vcc12v_dcin: dc-12v {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc12v_dcin";
@@ -45,23 +94,13 @@
 		regulator-max-microvolt = <12000000>;
 	};
 
-	vcc5v0_sys: vcc-sys {
+	vcc3v3_lan: vcc3v3-lan-regulator {
 		compatible = "regulator-fixed";
-		regulator-name = "vcc5v0_sys";
+		regulator-name = "vcc3v3_lan";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		vin-supply = <&vcc12v_dcin>;
-	};
-
-	vcc_0v9: vcc-0v9 {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_0v9";
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-min-microvolt = <900000>;
-		regulator-max-microvolt = <900000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
 		vin-supply = <&vcc3v3_sys>;
 	};
 
@@ -98,35 +137,35 @@
 		vin-supply = <&vcc5v0_sys>;
 	};
 
-	vcc5v0_typec: vcc5v0-typec-regulator {
+	vcc5v0_sys: vcc-sys {
 		compatible = "regulator-fixed";
-		enable-active-high;
-		gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&vcc5v0_typec_en>;
-		regulator-name = "vcc5v0_typec";
-		regulator-always-on;
-		vin-supply = <&vcc5v0_sys>;
-	};
-
-	vcc_lan: vcc3v3-phy-regulator {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_lan";
+		regulator-name = "vcc5v0_sys";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc12v_dcin>;
+	};
+
+	vcc_0v9: vcc-0v9 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_0v9";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		vin-supply = <&vcc3v3_sys>;
 	};
 
 	vdd_log: vdd-log {
 		compatible = "pwm-regulator";
 		pwms = <&pwm2 0 25000 1>;
+		pwm-supply = <&vcc5v0_sys>;
 		regulator-name = "vdd_log";
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <800000>;
 		regulator-max-microvolt = <1400000>;
-		vin-supply = <&vcc5v0_sys>;
 	};
 };
 
@@ -162,7 +201,7 @@
 	assigned-clocks = <&cru SCLK_RMII_SRC>;
 	assigned-clock-parents = <&clkin_gmac>;
 	clock_in_out = "input";
-	phy-supply = <&vcc_lan>;
+	phy-supply = <&vcc3v3_lan>;
 	phy-mode = "rgmii";
 	pinctrl-names = "default";
 	pinctrl-0 = <&rgmii_pins>;
@@ -180,6 +219,8 @@
 };
 
 &hdmi {
+	avdd-0v9-supply = <&vcca0v9_hdmi>;
+	avdd-1v8-supply = <&vcca1v8_hdmi>;
 	ddc-i2c-bus = <&i2c3>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&hdmi_cec>;
@@ -267,8 +308,8 @@
 				};
 			};
 
-			vcc1v8_codec: LDO_REG1 {
-				regulator-name = "vcc1v8_codec";
+			vcca1v8_codec: LDO_REG1 {
+				regulator-name = "vcca1v8_codec";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
@@ -278,8 +319,8 @@
 				};
 			};
 
-			vcc1v8_hdmi: LDO_REG2 {
-				regulator-name = "vcc1v8_hdmi";
+			vcca1v8_hdmi: LDO_REG2 {
+				regulator-name = "vcca1v8_hdmi";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
@@ -336,8 +377,8 @@
 				};
 			};
 
-			vcc0v9_hdmi: LDO_REG7 {
-				regulator-name = "vcc0v9_hdmi";
+			vcca0v9_hdmi: LDO_REG7 {
+				regulator-name = "vcca0v9_hdmi";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <900000>;
@@ -422,6 +463,20 @@
 	i2c-scl-rising-time-ns = <300>;
 	i2c-scl-falling-time-ns = <15>;
 	status = "okay";
+
+	es8316: codec@11 {
+		compatible = "everest,es8316";
+		reg = <0x11>;
+		clocks = <&cru SCLK_I2S_8CH_OUT>;
+		clock-names = "mclk";
+		#sound-dai-cells = <0>;
+
+		port {
+			es8316_p0_0: endpoint {
+				remote-endpoint = <&i2s0_p0_0>;
+			};
+		};
+	};
 };
 
 &i2c3 {
@@ -441,12 +496,19 @@
 	rockchip,capture-channels = <2>;
 	rockchip,playback-channels = <2>;
 	status = "okay";
+
+	i2s0_p0: port {
+		i2s0_p0_0: endpoint {
+			dai-format = "i2s";
+			mclk-fs = <256>;
+			remote-endpoint = <&es8316_p0_0>;
+		};
+	};
 };
 
 &i2s1 {
 	rockchip,playback-channels = <2>;
 	rockchip,capture-channels = <2>;
-	status = "okay";
 };
 
 &i2s2 {
@@ -454,21 +516,10 @@
 };
 
 &io_domains {
-	status = "okay";
-
+	audio-supply = <&vcca1v8_codec>;
 	bt656-supply = <&vcc_3v0>;
-	audio-supply = <&vcc_3v0>;
-	sdmmc-supply = <&vcc_sdio>;
 	gpio1830-supply = <&vcc_3v0>;
-};
-
-&pmu_io_domains {
-	status = "okay";
-
-	pmu1830-supply = <&vcc_3v0>;
-};
-
-&pcie_phy {
+	sdmmc-supply = <&vcc_sdio>;
 	status = "okay";
 };
 
@@ -483,6 +534,10 @@
 	status = "okay";
 };
 
+&pcie_phy {
+	status = "okay";
+};
+
 &pinctrl {
 	bt {
 		bt_enable_h: bt-enable-h {
@@ -498,12 +553,42 @@
 		};
 	};
 
+	es8316 {
+		hp_detect: hp-detect {
+			rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		hp_int: hp-int {
+			rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	leds {
+		user_led2: user-led2 {
+			rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pcie {
 		pcie_pwr_en: pcie-pwr-en {
 			rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
 
+	pmic {
+		pmic_int_l: pmic-int-l {
+			rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		vsel1_pin: vsel1-pin {
+			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		vsel2_pin: vsel2-pin {
+			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+	};
+
 	sdio0 {
 		sdio0_bus4: sdio0-bus4 {
 			rockchip,pins = <2 RK_PC4 1 &pcfg_pull_up_20ma>,
@@ -521,20 +606,6 @@
 		};
 	};
 
-	pmic {
-		pmic_int_l: pmic-int-l {
-			rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
-		};
-
-		vsel1_pin: vsel1-pin {
-			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
-		};
-
-		vsel2_pin: vsel2-pin {
-			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
-		};
-	};
-
 	usb-typec {
 		vcc5v0_typec_en: vcc5v0-typec-en {
 			rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -558,6 +629,11 @@
 	};
 };
 
+&pmu_io_domains {
+	pmu1830-supply = <&vcc_3v0>;
+	status = "okay";
+};
+
 &pwm2 {
 	status = "okay";
 };
@@ -568,6 +644,14 @@
 	vref-supply = <&vcc_1v8>;
 };
 
+&sdhci {
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	non-removable;
+	status = "okay";
+};
+
 &sdio0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
@@ -595,12 +679,13 @@
 	status = "okay";
 };
 
-&sdhci {
-	bus-width = <8>;
-	mmc-hs400-1_8v;
-	mmc-hs400-enhanced-strobe;
-	non-removable;
-	status = "okay";
+&spdif {
+
+	spdif_p0: port {
+		spdif_p0_0: endpoint {
+			remote-endpoint = <&dit_p0_0>;
+		};
+	};
 };
 
 &tcphy0 {
@@ -675,15 +760,15 @@
 	status = "okay";
 };
 
+&usbdrd3_1 {
+	status = "okay";
+};
+
 &usbdrd_dwc3_0 {
 	status = "okay";
 	dr_mode = "host";
 };
 
-&usbdrd3_1 {
-	status = "okay";
-};
-
 &usbdrd_dwc3_1 {
 	status = "okay";
 	dr_mode = "host";
diff --git a/arch/arm/dts/rk3399-rock-pi-4b-u-boot.dtsi b/arch/arm/dts/rk3399-rock-pi-4a-u-boot.dtsi
similarity index 100%
rename from arch/arm/dts/rk3399-rock-pi-4b-u-boot.dtsi
rename to arch/arm/dts/rk3399-rock-pi-4a-u-boot.dtsi
diff --git a/arch/arm/dts/rk3399-rock-pi-4b.dts b/arch/arm/dts/rk3399-rock-pi-4b.dts
deleted file mode 100644
index 6c63e61..0000000
--- a/arch/arm/dts/rk3399-rock-pi-4b.dts
+++ /dev/null
@@ -1,46 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-/*
- * Copyright (c) 2019 Akash Gajjar <Akash_Gajjar@mentor.com>
- * Copyright (c) 2019 Pragnesh Patel <Pragnesh_Patel@mentor.com>
- */
-
-/dts-v1/;
-#include "rk3399-rock-pi-4.dtsi"
-
-/ {
-	model = "Radxa ROCK Pi 4B";
-	compatible = "radxa,rockpi4b", "radxa,rockpi4", "rockchip,rk3399";
-
-	aliases {
-		mmc2 = &sdio0;
-	};
-};
-
-&sdio0 {
-	status = "okay";
-
-	brcmf: wifi@1 {
-		compatible = "brcm,bcm4329-fmac";
-		reg = <1>;
-		interrupt-parent = <&gpio0>;
-		interrupts = <RK_PA3 GPIO_ACTIVE_HIGH>;
-		interrupt-names = "host-wake";
-		pinctrl-names = "default";
-		pinctrl-0 = <&wifi_host_wake_l>;
-	};
-};
-
-&uart0 {
-	status = "okay";
-
-	bluetooth {
-		compatible = "brcm,bcm43438-bt";
-		clocks = <&rk808 1>;
-		clock-names = "ext_clock";
-		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
-		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
-		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
-	};
-};
diff --git a/arch/arm/dts/rk3399-rock-pi-4c.dts b/arch/arm/dts/rk3399-rock-pi-4c.dts
index 99169bc..4053ba7 100644
--- a/arch/arm/dts/rk3399-rock-pi-4c.dts
+++ b/arch/arm/dts/rk3399-rock-pi-4c.dts
@@ -17,6 +17,13 @@
 	};
 };
 
+&es8316 {
+	pinctrl-0 = <&hp_detect &hp_int>;
+	pinctrl-names = "default";
+	interrupt-parent = <&gpio1>;
+	interrupts = <RK_PA1 IRQ_TYPE_LEVEL_HIGH>;
+};
+
 &sdio0 {
 	status = "okay";
 
@@ -24,25 +31,32 @@
 		compatible = "brcm,bcm4329-fmac";
 		reg = <1>;
 		interrupt-parent = <&gpio0>;
-		interrupts = <RK_PA3 GPIO_ACTIVE_HIGH>;
+		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-names = "host-wake";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wifi_host_wake_l>;
 	};
 };
 
+&sound {
+	hp-det-gpio = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
+};
+
 &uart0 {
 	status = "okay";
 
 	bluetooth {
-		compatible = "brcm,bcm43438-bt";
+		compatible = "brcm,bcm4345c5";
 		clocks = <&rk808 1>;
-		clock-names = "ext_clock";
+		clock-names = "lpo";
 		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
 		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
 		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+		max-speed = <1500000>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+		vbat-supply = <&vcc3v3_sys>;
+		vddio-supply = <&vcc_1v8>;
 	};
 };