diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 0e4a13295d8a..84c4358dacac 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -19,6 +19,7 @@ host1x@50000000 {
 		clocks = <&tegra_car TEGRA114_CLK_HOST1X>;
 		resets = <&tegra_car 28>;
 		reset-names = "host1x";
+		iommus = <&mc TEGRA_SWGROUP_HC>;
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -32,6 +33,8 @@ gr2d@54140000 {
 			clocks = <&tegra_car TEGRA114_CLK_GR2D>;
 			resets = <&tegra_car 21>;
 			reset-names = "2d";
+
+			iommus = <&mc TEGRA_SWGROUP_G2>;
 		};
 
 		gr3d@54180000 {
@@ -40,6 +43,8 @@ gr3d@54180000 {
 			clocks = <&tegra_car TEGRA114_CLK_GR3D>;
 			resets = <&tegra_car 24>;
 			reset-names = "3d";
+
+			iommus = <&mc TEGRA_SWGROUP_NV>;
 		};
 
 		dc@54200000 {
diff --git a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
index bb67edb016c5..3455822350c5 100644
--- a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
+++ b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
@@ -1536,15 +1536,15 @@ sdmmc3_clk_lb_out_pee4 { /* NC */
 	};
 
 	serial@70006040 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	serial@70006200 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	serial@70006300 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	hdmi_ddc: i2c@7000c700 {
diff --git a/arch/arm/boot/dts/tegra124-apalis.dtsi b/arch/arm/boot/dts/tegra124-apalis.dtsi
index 65a2161b9b8e..9f960c84ba10 100644
--- a/arch/arm/boot/dts/tegra124-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra124-apalis.dtsi
@@ -1565,15 +1565,15 @@ sdmmc3_clk_lb_out_pee4 { /* NC */
 	};
 
 	serial@70006040 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	serial@70006200 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	serial@70006300 {
-		compatible = "nvidia,tegra124-hsuart";
+		compatible = "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart";
 	};
 
 	hdmi_ddc: i2c@7000c400 {
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index a110cf84d85f..09087b9c5e26 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -112,6 +112,7 @@ host1x@50000000 {
 		clocks = <&tegra_car TEGRA30_CLK_HOST1X>;
 		resets = <&tegra_car 28>;
 		reset-names = "host1x";
+		iommus = <&mc TEGRA_SWGROUP_HC>;
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -125,6 +126,8 @@ mpe@54040000 {
 			clocks = <&tegra_car TEGRA30_CLK_MPE>;
 			resets = <&tegra_car 60>;
 			reset-names = "mpe";
+
+			iommus = <&mc TEGRA_SWGROUP_MPE>;
 		};
 
 		vi@54080000 {
@@ -134,6 +137,8 @@ vi@54080000 {
 			clocks = <&tegra_car TEGRA30_CLK_VI>;
 			resets = <&tegra_car 20>;
 			reset-names = "vi";
+
+			iommus = <&mc TEGRA_SWGROUP_VI>;
 		};
 
 		epp@540c0000 {
@@ -143,6 +148,8 @@ epp@540c0000 {
 			clocks = <&tegra_car TEGRA30_CLK_EPP>;
 			resets = <&tegra_car 19>;
 			reset-names = "epp";
+
+			iommus = <&mc TEGRA_SWGROUP_EPP>;
 		};
 
 		isp@54100000 {
@@ -152,6 +159,8 @@ isp@54100000 {
 			clocks = <&tegra_car TEGRA30_CLK_ISP>;
 			resets = <&tegra_car 23>;
 			reset-names = "isp";
+
+			iommus = <&mc TEGRA_SWGROUP_ISP>;
 		};
 
 		gr2d@54140000 {
@@ -161,6 +170,8 @@ gr2d@54140000 {
 			clocks = <&tegra_car TEGRA30_CLK_GR2D>;
 			resets = <&tegra_car 21>;
 			reset-names = "2d";
+
+			iommus = <&mc TEGRA_SWGROUP_G2>;
 		};
 
 		gr3d@54180000 {
@@ -172,6 +183,9 @@ gr3d@54180000 {
 			resets = <&tegra_car 24>,
 				 <&tegra_car 98>;
 			reset-names = "3d", "3d2";
+
+			iommus = <&mc TEGRA_SWGROUP_NV>,
+				 <&mc TEGRA_SWGROUP_NV2>;
 		};
 
 		dc@54200000 {