diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
index 28e3002..e7f5b6d 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
@@ -112,6 +112,12 @@
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a73-pmu";
+		interrupt-parent = <&gic>;
+		interrupt = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+	};
+
 	thermal-zones {
 		cpu_thermal: cpu-thermal {
 			polling-delay-passive = <1000>;