diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index aa6ccea13d30..fa7e5b642434 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -623,23 +623,15 @@
 		clock-names = "pclk", "clk32k_in";
 	};
 
-	memory-controller@7000f000 {
+	mc: memory-controller@7000f000 {
 		compatible = "nvidia,tegra30-mc";
-		reg = <0x7000f000 0x010
-		       0x7000f03c 0x1b4
-		       0x7000f200 0x028
-		       0x7000f284 0x17c>;
-		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
-	};
+		reg = <0x7000f000 0x400>;
+		clocks = <&tegra_car TEGRA30_CLK_MC>;
+		clock-names = "mc";
 
-	iommu@7000f010 {
-		compatible = "nvidia,tegra30-smmu";
-		reg = <0x7000f010 0x02c
-		       0x7000f1f0 0x010
-		       0x7000f228 0x05c>;
-		nvidia,#asids = <4>;		/* # of ASIDs */
-		dma-window = <0 0x40000000>;	/* IOVA start & length */
-		nvidia,ahb = <&ahb>;
+		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+
+		#iommu-cells = <1>;
 	};
 
 	fuse@7000f800 {