diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index da102fff96a2..b19e7939f3ea 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -579,7 +579,7 @@ vop_mmu: iommu@20053f00 {
 		interrupt-names = "vop_mmu";
 		clocks = <&cru ACLK_VOP>, <&cru HCLK_VOP>;
 		clock-names = "aclk", "iface";
-		iommu-cells = <0>;
+		#iommu-cells = <0>;
 		status = "disabled";
 	};