diff --git a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 060b88f9dd..86090f8ebe 100644
--- a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -86,6 +86,46 @@
 			no-map;
 			reg = <0 0x4fc00000 0 0x00100000>;
 		};
+
+		wo_emi0: wo-emi@4fd00000 {
+			reg = <0 0x4fd00000 0 0x40000>;
+			no-map;
+		};
+
+		wo_emi1: wo-emi@4fd40000 {
+			reg = <0 0x4fd40000 0 0x40000>;
+			no-map;
+		};
+
+		wo_ilm0: wo-ilm@151e0000 {
+			reg = <0 0x151e0000 0 0x8000>;
+			no-map;
+		};
+
+		wo_ilm1: wo-ilm@151f0000 {
+			reg = <0 0x151f0000 0 0x8000>;
+			no-map;
+		};
+
+		wo_data: wo-data@4fd80000 {
+			reg = <0 0x4fd80000 0 0x240000>;
+			no-map;
+		};
+
+		wo_dlm0: wo-dlm@151e8000 {
+			reg = <0 0x151e8000 0 0x2000>;
+			no-map;
+		};
+
+		wo_dlm1: wo-dlm@151f8000 {
+			reg = <0 0x151f8000 0 0x2000>;
+			no-map;
+		};
+
+		wo_boot: wo-boot@15194000 {
+			reg = <0 0x15194000 0 0x1000>;
+			no-map;
+		};
 	};
 
 	timer {
@@ -577,12 +617,18 @@
 			reg = <0 0x10003000 0 0x10>;
 		};
 
+
 		wed0: wed@15010000 {
 			compatible = "mediatek,mt7986-wed",
 				     "syscon";
 			reg = <0 0x15010000 0 0x1000>;
 			interrupt-parent = <&gic>;
 			interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+			memory-region = <&wo_emi0>, <&wo_ilm0>, <&wo_dlm0>,
+					<&wo_data>, <&wo_boot>;
+			memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+					      "wo-data", "wo-boot";
+			mediatek,wo-ccif = <&wo_ccif0>;
 		};
 
 		wed1: wed@15011000 {
@@ -591,6 +637,25 @@
 			reg = <0 0x15011000 0 0x1000>;
 			interrupt-parent = <&gic>;
 			interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>;
+			memory-region = <&wo_emi1>, <&wo_ilm1>, <&wo_dlm1>,
+					<&wo_data>, <&wo_boot>;
+			memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+					      "wo-data", "wo-boot";
+			mediatek,wo-ccif = <&wo_ccif1>;
+		};
+
+		wo_ccif0: syscon@151a5000 {
+			compatible = "mediatek,mt7986-wo-ccif", "syscon";
+			reg = <0 0x151a5000 0 0x1000>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		wo_ccif1: syscon@151ad000 {
+			compatible = "mediatek,mt7986-wo-ccif", "syscon";
+			reg = <0 0x151ad000 0 0x1000>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
 		eth: ethernet@15100000 {