diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 82e9b18cb8..bcd89af6a5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -136,7 +136,8 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
 	rk3399-puma-haikou.dtb \
 	rk3399-roc-pc.dtb \
 	rk3399-roc-pc-mezzanine.dtb \
-	rk3399-rock-pi-4.dtb \
+	rk3399-rock-pi-4a.dtb \
+	rk3399-rock-pi-4b.dtb \
 	rk3399-rock960.dtb \
 	rk3399-rockpro64.dtb \
 	rk3399pro-rock-pi-n10.dtb
diff --git a/arch/arm/dts/rk3399-rock-pi-4.dts b/arch/arm/dts/rk3399-rock-pi-4.dtsi
similarity index 95%
rename from arch/arm/dts/rk3399-rock-pi-4.dts
rename to arch/arm/dts/rk3399-rock-pi-4.dtsi
index 3923ec01ef..1c55a4645b 100644
--- a/arch/arm/dts/rk3399-rock-pi-4.dts
+++ b/arch/arm/dts/rk3399-rock-pi-4.dtsi
@@ -11,9 +11,6 @@
 #include "rk3399-opp.dtsi"
 
 / {
-	model = "Radxa ROCK Pi 4";
-	compatible = "radxa,rockpi4", "rockchip,rk3399";
-
 	chosen {
 		stdout-path = "serial2:1500000n8";
 	};
@@ -587,17 +584,6 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
 	sd-uhs-sdr104;
-	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>;
-	};
 };
 
 &sdmmc {
@@ -666,18 +652,6 @@
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
-	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>;
-	};
 };
 
 &uart2 {
diff --git a/arch/arm/dts/rk3399-rock-pi-4a.dts b/arch/arm/dts/rk3399-rock-pi-4a.dts
new file mode 100644
index 0000000000..d96dd3ebd3
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock-pi-4a.dts
@@ -0,0 +1,13 @@
+// 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 4A";
+	compatible = "radxa,rockpi4", "rockchip,rk3399";
+};
diff --git a/arch/arm/dts/rk3399-rock-pi-4b-u-boot.dtsi b/arch/arm/dts/rk3399-rock-pi-4b-u-boot.dtsi
new file mode 100644
index 0000000000..85ee5770ad
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock-pi-4b-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include "rk3399-rock-pi-4-u-boot.dtsi"
diff --git a/arch/arm/dts/rk3399-rock-pi-4b.dts b/arch/arm/dts/rk3399-rock-pi-4b.dts
new file mode 100644
index 0000000000..4ca970acac
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock-pi-4b.dts
@@ -0,0 +1,42 @@
+// 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,rockpi4", "rockchip,rk3399";
+};
+
+&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/configs/rock-pi-4-rk3399_defconfig b/configs/rock-pi-4-rk3399_defconfig
index 98f71a50a5..1d34476825 100644
--- a/configs/rock-pi-4-rk3399_defconfig
+++ b/configs/rock-pi-4-rk3399_defconfig
@@ -9,7 +9,7 @@ CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y
 # CONFIG_ANDROID_BOOT_IMAGE is not set
-CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock-pi-4.dtb"
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock-pi-4b.dtb"
 CONFIG_MISC_INIT_R=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
@@ -24,7 +24,7 @@ CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_TIME=y
 CONFIG_SPL_OF_CONTROL=y
-CONFIG_DEFAULT_DEVICE_TREE="rk3399-rock-pi-4"
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-rock-pi-4b"
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y