diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index 5afa8d92acbf..d3c47966e8fc 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -101,7 +101,8 @@ timer {
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_PPI 12 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	soc {