diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index c6433a1c996d..c5edfa9a68a6 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -106,6 +106,7 @@ pmu {
 		compatible = "arm,cortex-a7-pmu";
 		interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>;
 	};
 
 	reboot {