diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-snfi-nand-partition.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-snfi-nand-partition.dtsi
new file mode 100644
index 0000000..b88e1c1
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-snfi-nand-partition.dtsi
@@ -0,0 +1,44 @@
+/ {
+	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>;
+			};
+		};
+	};
+};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nand-partition.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nand-partition.dtsi
new file mode 100644
index 0000000..4cc7961
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nand-partition.dtsi
@@ -0,0 +1,43 @@
+/ {
+	nmbm_spim_nand {
+		compatible = "generic,nmbm";
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		lower-mtd-device = <&spi_nand>;
+		forced-create;
+
+		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>;
+			};
+		};
+	};
+};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nor-partition.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nor-partition.dtsi
new file mode 100644
index 0000000..dcdde5a
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986-spim-nor-partition.dtsi
@@ -0,0 +1,30 @@
+&spi0 {
+	spi_nor@0 {
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@00000 {
+				label = "BL2";
+				reg = <0x00000 0x0040000>;
+			};
+			partition@40000 {
+				label = "u-boot-env";
+				reg = <0x40000 0x0010000>;
+			};
+			factory: partition@50000 {
+				label = "Factory";
+				reg = <0x50000 0x00B0000>;
+			};
+			partition@100000 {
+				label = "FIP";
+				reg = <0x100000 0x0080000>;
+			};
+			partition@180000 {
+				label = "firmware";
+				reg = <0x180000 0xE00000>;
+			};
+		};
+	};
+};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-pinctrl.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-pinctrl.dtsi
new file mode 100644
index 0000000..42619a1
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-pinctrl.dtsi
@@ -0,0 +1,141 @@
+&pio {
+	wifi_led_pins: wifi_led-pins-1-2 {
+		mux {
+			function = "led";
+			groups = "wifi_led";
+		};
+	};
+
+	i2c_pins: i2c-pins-3-4 {
+		mux {
+			function = "i2c";
+			groups = "i2c";
+		};
+	};
+
+	uart1_pins_g0: uart1-pins-7-to-10 {
+		mux {
+			function = "uart";
+			groups = "uart1_0";
+		};
+	};
+
+	pcie0_pins: pcie0-pins-9-10-41 {
+		mux {
+			function = "pcie";
+			groups = "pcie_clk", "pcie_wake", "pcie_pereset";
+		};
+	};
+
+	jtag_pins: jtag-pins-11-to-14 {
+		mux {
+			function = "jtag";
+			groups = "jtag";
+		};
+	};
+
+	spic_pins_g0: spic-pins-11-to-14 {
+		mux {
+			function = "spi";
+			groups = "spi1_0";
+		};
+	};
+
+	pwm1_pin_g0: pwm1-pin-20 {
+		mux {
+			function = "pwm";
+			groups = "pwm1_1";
+		};
+	};
+
+	pwm0_pin: pwm0-pin-21 {
+		mux {
+			function = "pwm";
+			groups = "pwm0";
+		};
+	};
+
+	pwm1_pin_g1: pwm1-pin-22 {
+		mux {
+			function = "pwm";
+			groups = "pwm1_0";
+		};
+	};
+
+	spic_pins_g1: spic-pins-23-to-26 {
+		mux {
+			function = "spi";
+			groups = "spi1_1";
+		};
+	};
+
+	uart1_pins_g1: uart1-pins-23-to-26 {
+		mux {
+			function = "uart";
+			groups = "uart1_1";
+		};
+	};
+
+	spic_pins_g2: spic-pins-29-to-32 {
+		mux {
+			function = "spi";
+			groups = "spi1_2";
+		};
+	};
+
+	uart1_pins_g2: uart1-pins-29-to-32 {
+		mux {
+			function = "uart";
+			groups = "uart1_2";
+		};
+	};
+
+	uart2_pins_g0: uart1-pins-29-to-32 {
+		mux {
+			function = "uart";
+			groups = "uart1_2";
+		};
+	};
+
+	uart2_pins_g1: uart1-pins-23-to-36 {
+		mux {
+			function = "uart";
+			groups = "uart2_1";
+		};
+	};
+
+	spic_pins_g3: spic-pins-33-to-36 {
+		mux {
+			function = "spi";
+			groups = "spi1_3";
+		};
+	};
+
+	uart1_pins_g3: uart1-pins-35-to-38 {
+		mux {
+			function = "uart";
+			groups = "uart1_3_rx_tx", "uart1_3_cts_rts";
+		};
+	};
+
+	uart1_pins: uart1-pins-42-to-45 {
+		mux {
+			function = "uart";
+			groups = "uart1";
+		};
+	};
+
+	uart2_pins: uart1-pins-46-to-49 {
+		mux {
+			function = "uart";
+			groups = "uart2";
+		};
+	};
+
+	pcm_pins: pcm-pins-62-to-65 {
+		mux {
+			function = "pcm";
+			groups = "pcm";
+		};
+	};
+};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-pinctrl.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-pinctrl.dtsi
new file mode 100644
index 0000000..de8e325
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-pinctrl.dtsi
@@ -0,0 +1,29 @@
+&pio {
+	i2c_pins: i2c-pins-3-4 {
+		mux {
+			function = "i2c";
+			groups = "i2c";
+		};
+	};
+
+	uart1_pins: uart1-pins-23-to-26 {
+		mux {
+			function = "uart";
+			groups = "uart1_1";
+		};
+	};
+
+	uart2_pins: uart1-pins-29-to-32 {
+		mux {
+			function = "uart";
+			groups = "uart2_0";
+		};
+	};
+
+	spic_pins: spi1-pins-29-to-32 {
+		mux {
+			function = "spi";
+			groups = "spi1_2";
+		};
+	};
+};