diff --git a/src/arm64/nuvoton/nuvoton-common-npcm8xx.dtsi b/src/arm64/nuvoton/nuvoton-common-npcm8xx.dtsi
new file mode 100644
index 0000000..ecd171b
--- /dev/null
+++ b/src/arm64/nuvoton/nuvoton-common-npcm8xx.dtsi
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com
+
+#include <dt-bindings/clock/nuvoton,npcm845-clk.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+	interrupt-parent = <&gic>;
+
+	soc {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "simple-bus";
+		interrupt-parent = <&gic>;
+		ranges;
+
+		gcr: system-controller@f0800000 {
+			compatible = "nuvoton,npcm845-gcr", "syscon";
+			reg = <0x0 0xf0800000 0x0 0x1000>;
+		};
+
+		gic: interrupt-controller@dfff9000 {
+			compatible = "arm,gic-400";
+			reg = <0x0 0xdfff9000 0x0 0x1000>,
+			      <0x0 0xdfffa000 0x0 0x2000>,
+			      <0x0 0xdfffc000 0x0 0x2000>,
+			      <0x0 0xdfffe000 0x0 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+			#interrupt-cells = <3>;
+			interrupt-controller;
+			#address-cells = <0>;
+			ppi-partitions {
+				ppi_cluster0: interrupt-partition-0 {
+					affinity = <&cpu0 &cpu1 &cpu2 &cpu3>;
+				};
+			};
+		};
+	};
+
+	ahb {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "simple-bus";
+		interrupt-parent = <&gic>;
+		ranges;
+
+		rstc: reset-controller@f0801000 {
+			compatible = "nuvoton,npcm845-reset";
+			reg = <0x0 0xf0801000 0x0 0x78>;
+			#reset-cells = <2>;
+			nuvoton,sysgcr = <&gcr>;
+		};
+
+		clk: clock-controller@f0801000 {
+			compatible = "nuvoton,npcm845-clk";
+			#clock-cells = <1>;
+			reg = <0x0 0xf0801000 0x0 0x1000>;
+		};
+
+		apb {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "simple-bus";
+			interrupt-parent = <&gic>;
+			ranges = <0x0 0x0 0xf0000000 0x00300000>,
+				<0xfff00000 0x0 0xfff00000 0x00016000>;
+
+			peci: peci-controller@100000 {
+				compatible = "nuvoton,npcm845-peci";
+				reg = <0x100000 0x1000>;
+				interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk NPCM8XX_CLK_APB3>;
+				cmd-timeout-ms = <1000>;
+				status = "disabled";
+			};
+
+			timer0: timer@8000 {
+				compatible = "nuvoton,npcm845-timer";
+				interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x8000 0x1C>;
+				clocks = <&clk NPCM8XX_CLK_REFCLK>;
+				clock-names = "refclk";
+			};
+
+			serial0: serial@0 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x0 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial1: serial@1000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x1000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial2: serial@2000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x2000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial3: serial@3000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x3000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial4: serial@4000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x4000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial5: serial@5000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x5000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			serial6: serial@6000 {
+				compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart";
+				reg = <0x6000 0x1000>;
+				clocks = <&clk NPCM8XX_CLK_UART>;
+				interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
+				reg-shift = <2>;
+				status = "disabled";
+			};
+
+			watchdog0: watchdog@801c {
+				compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt";
+				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x801c 0x4>;
+				status = "disabled";
+				clocks = <&clk NPCM8XX_CLK_REFCLK>;
+				syscon = <&gcr>;
+			};
+
+			watchdog1: watchdog@901c {
+				compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt";
+				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x901c 0x4>;
+				status = "disabled";
+				clocks = <&clk NPCM8XX_CLK_REFCLK>;
+				syscon = <&gcr>;
+			};
+
+			watchdog2: watchdog@a01c {
+				compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt";
+				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xa01c 0x4>;
+				status = "disabled";
+				clocks = <&clk NPCM8XX_CLK_REFCLK>;
+				syscon = <&gcr>;
+			};
+		};
+	};
+};