diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index c33ad39a5e84..4a46a4fb0ba3 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -831,7 +831,7 @@
 	vop_mmu: iommu@20050300 {
 		compatible = "rockchip,iommu";
 		reg = <0x20053f00 0x100>;
-		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-names = "vop_mmu";
 		clocks = <&cru ACLK_VOP>, <&cru HCLK_VOP>;
 		clock-names = "aclk", "hclk";