diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 4f68ebed2e31..e6c3a73b9e4a 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-rfb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8167-pumpkin.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
new file mode 100644
index 000000000000..a58347c09ab2
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ * Author: Sam.Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986a.dtsi"
+
+/ {
+	model = "MediaTek MT7986a RFB";
+	compatible = "mediatek,mt7986a-rfb";
+	chosen {
+		bootargs = "console=ttyS0,115200n1 loglevel=8  \
+				earlycon=uart8250,mmio32,0x11002000";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+	status = "okay";
+};
+
+&pio {
+	uart1_pins: uart1-pins-42-to-45 {
+		mux {
+			function = "uart";
+			groups = "uart1";
+		};
+	};
+
+	uart2_pins: uart1-pins-46-to-49 {
+		mux {
+			function = "uart";
+			groups = "uart2";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
new file mode 100644
index 000000000000..0fcaf70a4a71
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ * Author: Sam.Shih <sam.shih@mediatek.com>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/mt7986-clk.h>
+
+/ {
+	compatible = "mediatek,mt7986a";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	clk40m: oscillator@0 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <40000000>;
+		clock-output-names = "clkxtal";
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			enable-method = "psci";
+			reg = <0x0>;
+			#cooling-cells = <2>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			enable-method = "psci";
+			reg = <0x1>;
+			#cooling-cells = <2>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			enable-method = "psci";
+			reg = <0x2>;
+			#cooling-cells = <2>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			enable-method = "psci";
+			compatible = "arm,cortex-a53";
+			reg = <0x3>;
+			#cooling-cells = <2>;
+		};
+	};
+
+	psci {
+		compatible  = "arm,psci-0.2";
+		method      = "smc";
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		/* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+		secmon_reserved: secmon@43000000 {
+			reg = <0 0x43000000 0 0x30000>;
+			no-map;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupt-parent = <&gic>;
+		clock-frequency = <13000000>;
+		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	soc {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "simple-bus";
+		ranges;
+
+		gic: interrupt-controller@c000000 {
+			compatible = "arm,gic-v3";
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			interrupt-controller;
+			reg = <0 0x0c000000 0 0x40000>,
+			      <0 0x0c080000 0 0x200000>;
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		infracfg_ao: infracfg_ao@10001000 {
+			compatible = "mediatek,mt7986-infracfg_ao", "syscon";
+			reg = <0 0x10001000 0 0x68>;
+			#clock-cells = <1>;
+		};
+
+		infracfg: infracfg@10001040 {
+			compatible = "mediatek,mt7986-infracfg", "syscon";
+			reg = <0 0x1000106c 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		topckgen: topckgen@1001b000 {
+			compatible = "mediatek,mt7986-topckgen", "syscon";
+			reg = <0 0x1001B000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		watchdog: watchdog@1001c000 {
+			compatible = "mediatek,mt7986-wdt",
+				     "mediatek,mt6589-wdt";
+			reg = <0 0x1001c000 0 0x1000>;
+			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
+			#reset-cells = <1>;
+			status = "disabled";
+		};
+
+		apmixedsys: apmixedsys@1001e000 {
+			compatible = "mediatek,mt7986-apmixedsys";
+			reg = <0 0x1001E000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		pio: pinctrl@1001f000 {
+			compatible = "mediatek,mt7986a-pinctrl";
+			reg = <0 0x1001f000 0 0x1000>,
+			      <0 0x11c30000 0 0x1000>,
+			      <0 0x11c40000 0 0x1000>,
+			      <0 0x11e20000 0 0x1000>,
+			      <0 0x11e30000 0 0x1000>,
+			      <0 0x11f00000 0 0x1000>,
+			      <0 0x11f10000 0 0x1000>,
+			      <0 0x1000b000 0 0x1000>;
+			reg-names = "gpio_base", "iocfg_rt_base", "iocfg_rb_base",
+				    "iocfg_lt_base", "iocfg_lb_base", "iocfg_tr_base",
+				    "iocfg_tl_base", "eint";
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pio 0 0 100>;
+			interrupt-controller;
+			interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&gic>;
+			#interrupt-cells = <2>;
+		};
+
+		sgmiisys0: syscon@10060000 {
+			compatible = "mediatek,mt7986-sgmiisys",
+				     "mediatek,mt7986-sgmiisys_0",
+				     "syscon";
+			reg = <0 0x10060000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		sgmiisys1: syscon@10070000 {
+			compatible = "mediatek,mt7986-sgmiisys",
+				     "mediatek,mt7986-sgmiisys_1",
+				     "syscon";
+			reg = <0 0x10070000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		trng: trng@1020f000 {
+			compatible = "mediatek,mt7986-rng",
+				     "mediatek,mt7623-rng";
+			reg = <0 0x1020f000 0 0x100>;
+			clocks = <&infracfg_ao CK_INFRA_TRNG_CK>;
+			clock-names = "rng";
+			status = "disabled";
+		};
+
+		uart0: serial@11002000 {
+			compatible = "mediatek,mt7986-uart",
+				     "mediatek,mt6577-uart";
+			reg = <0 0x11002000 0 0x400>;
+			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg_ao CK_INFRA_UART0_SEL>,
+				 <&infracfg_ao CK_INFRA_UART0_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&topckgen CK_TOP_UART_SEL>,
+					  <&infracfg_ao CK_INFRA_UART0_SEL>;
+			assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>,
+						 <&infracfg CK_INFRA_UART>;
+			status = "disabled";
+		};
+
+		uart1: serial@11003000 {
+			compatible = "mediatek,mt7986-uart",
+				     "mediatek,mt6577-uart";
+			reg = <0 0x11003000 0 0x400>;
+			interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg_ao CK_INFRA_UART1_SEL>,
+				 <&infracfg_ao CK_INFRA_UART1_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&infracfg_ao CK_INFRA_UART1_SEL>;
+			assigned-clock-parents = <&infracfg CK_INFRA_CK_F26M>;
+			status = "disabled";
+		};
+
+		uart2: serial@11004000 {
+			compatible = "mediatek,mt7986-uart",
+				     "mediatek,mt6577-uart";
+			reg = <0 0x11004000 0 0x400>;
+			interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg_ao CK_INFRA_UART2_SEL>,
+				 <&infracfg_ao CK_INFRA_UART2_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&infracfg_ao CK_INFRA_UART2_SEL>;
+			assigned-clock-parents = <&infracfg CK_INFRA_CK_F26M>;
+			status = "disabled";
+		};
+
+		ethsys: syscon@15000000 {
+			 #address-cells = <1>;
+			 #size-cells = <1>;
+			 compatible = "mediatek,mt7986-ethsys",
+				      "syscon";
+			 reg = <0 0x15000000 0 0x1000>;
+			 #clock-cells = <1>;
+			 #reset-cells = <1>;
+		};
+
+	};
+
+};
