diff --git a/arch/arm64/boot/dts/realtek/kent.dtsi b/arch/arm64/boot/dts/realtek/kent.dtsi
index 8d4293cd4c03..02aca12d5ba9 100644
--- a/arch/arm64/boot/dts/realtek/kent.dtsi
+++ b/arch/arm64/boot/dts/realtek/kent.dtsi
@@ -23,7 +23,7 @@ timer {
 			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
-			     <GIC_PPI  9 IRQ_TYPE_LEVEL_HIGH>;
+			     <GIC_PPI 12 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	cpus {
diff --git a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
index 3a7f6e35b7f7..43b13d133c32 100644
--- a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
@@ -105,7 +105,8 @@ timer {
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
-			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
 	};
 
 	arm_pmu: pmu {