diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 7d24ae0306b56845c80c2c783dd818033a3a6cd1..c8fd648a7108515def0e9492936fd3760f156579 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -612,6 +612,7 @@ 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 {
@@ -619,6 +620,7 @@ 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;
 		};