diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-fpga-snfi-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-fpga-snfi-nand.dts
new file mode 100644
index 0000000..ef49a12
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-fpga-snfi-nand.dts
@@ -0,0 +1,157 @@
+/dts-v1/;
+#include "mt7981-fpga.dtsi"
+/ {
+	model = "MediaTek MT7981 FPGA";
+	compatible = "mediatek,mt7981-fpga-snfi-nand";
+	chosen {
+		bootargs = "console=ttyS0,115200n1 loglevel=8  \
+				earlycon=uart8250,mmio32,0x11002000";
+	};
+
+	memory {
+		// fpga ddr2: 128MB*2
+		reg = <0 0x40000000 0 0x10000000>;
+	};
+
+	nmbm_snfi {
+		compatible = "generic,nmbm";
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		lower-mtd-device = <&snand>;
+		forced-create;
+		empty-page-ecc-protected;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "BL2";
+				reg = <0x00000 0x0100000>;
+				read-only;
+			};
+
+			partition@100000 {
+				label = "u-boot-env";
+				reg = <0x0100000 0x0080000>;
+			};
+
+			factory: partition@180000 {
+				label = "Factory";
+				reg = <0x180000 0x0200000>;
+			};
+
+			partition@380000 {
+				label = "FIP";
+				reg = <0x380000 0x0200000>;
+			};
+
+			partition@580000 {
+				label = "ubi";
+				reg = <0x580000 0x4000000>;
+			};
+		};
+	};
+
+	wsys_adie: wsys_adie@0 {
+	// fpga cases need to manual change adie_id / sku_type for dvt only
+		compatible = "mediatek,rebb-mt7981-adie";
+		adie_id = <7976>;
+		sku_type = <3000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	/* pin shared with snfi */
+	pinctrl-0 = <&spic_pins>;
+	status = "disabled";
+};
+
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	status = "okay";
+};
+
+&pio {
+	pcie_pins: pcie-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie_pereset", "pcie_clk", "pcie_wake";
+		};
+	};
+
+	snfi_pins: snfi-pins {
+		mux {
+			function = "flash";
+			groups = "snfi";
+		};
+	};
+
+	spic_pins: spi1-pins {
+		mux {
+			function = "spi";
+			groups = "spi1_1";
+		};
+	};
+};
+
+&watchdog {
+	status = "disabled";
+};
+
+&snand {
+	pinctrl-names = "default";
+	/* pin shared with spic */
+	pinctrl-0 = <&snfi_pins>;
+	status = "okay";
+	mediatek,quad-spi;
+};
+
+&eth {
+        status = "okay";
+
+        gmac0: mac@0 {
+                compatible = "mediatek,eth-mac";
+                reg = <0>;
+                phy-mode = "rgmii";
+
+                fixed-link {
+                        speed = <100>;
+                        full-duplex;
+                        pause;
+                };
+        };
+	gmac1: mac@1 {
+                compatible = "mediatek,eth-mac";
+                reg = <1>;
+                phy-mode = "rgmii";
+
+                fixed-link {
+                        speed = <100>;
+                        full-duplex;
+                        pause;
+                };
+        };
+
+        mdio: mdio-bus {
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
+};
+
+&hnat {
+	mtketh-wan = "eth1";
+	mtketh-lan = "eth0";
+	mtketh-max-gmac = <2>;
+	status = "okay";
+};