diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index f884d6adb71e8ed28371afd54c04528403ad29ba..7d31c6ff246f47b14afd5eeb332d01a955faef35 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -551,6 +551,7 @@ mmu_dsp: mmu@4a066000 {
 			reg = <0x4a066000 0x100>;
 			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmu_dsp";
+			#iommu-cells = <0>;
 		};
 
 		mmu_ipu: mmu@55082000 {
@@ -558,6 +559,7 @@ mmu_ipu: mmu@55082000 {
 			reg = <0x55082000 0x100>;
 			interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmu_ipu";
+			#iommu-cells = <0>;
 			ti,iommu-bus-err-back;
 		};