diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index a638e059135b..c3c6d7d04a76 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -482,6 +482,11 @@
 	regulator-always-on;
 };
 
+/* First two dma channels are reserved on secure omap3 */
+&sdma {
+	dma-channel-mask = <0xfffffffc>;
+};
+
 &twl {
 	twl_audio: audio {
 		compatible = "ti,twl4030-audio";
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 5698a3e241aa..06d9108a8385 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -206,17 +206,42 @@
 			reg = <0x48200000 0x1000>;
 		};
 
-		sdma: dma-controller@48056000 {
-			compatible = "ti,omap3630-sdma", "ti,omap3430-sdma";
-			reg = <0x48056000 0x1000>;
-			interrupts = <12>,
-				     <13>,
-				     <14>,
-				     <15>;
-			#dma-cells = <1>;
-			dma-channels = <32>;
-			dma-requests = <96>;
+		target-module@48056000 {
+			compatible = "ti,sysc-omap2", "ti,sysc";
 			ti,hwmods = "dma";
+			reg = <0x48056000 0x4>,
+			      <0x4805602c 0x4>,
+			      <0x48056028 0x4>;
+			reg-names = "rev", "sysc", "syss";
+			ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
+					 SYSC_OMAP2_EMUFREE |
+					 SYSC_OMAP2_SOFTRESET |
+					 SYSC_OMAP2_AUTOIDLE)>;
+			ti,sysc-midle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>,
+					<SYSC_IDLE_SMART>;
+			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>,
+					<SYSC_IDLE_SMART>;
+			ti,syss-mask = <1>;
+			/* Domains (V, P, C): core, core_pwrdm, core_l3_clkdm */
+			clocks = <&core_l3_ick>;
+			clock-names = "ick";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x48056000 0x1000>;
+
+			sdma: dma-controller@0 {
+				compatible = "ti,omap3430-sdma", "ti,omap-sdma";
+				reg = <0x0 0x1000>;
+				interrupts = <12>,
+					     <13>,
+					     <14>,
+					     <15>;
+				#dma-cells = <1>;
+				dma-channels = <32>;
+				dma-requests = <96>;
+			};
 		};
 
 		gpio1: gpio@48310000 {
diff --git a/arch/arm/boot/dts/omap36xx.dtsi b/arch/arm/boot/dts/omap36xx.dtsi
index c618cb257d00..71f3c8f1f924 100644
--- a/arch/arm/boot/dts/omap36xx.dtsi
+++ b/arch/arm/boot/dts/omap36xx.dtsi
@@ -223,6 +223,10 @@
 	};
 };
 
+&sdma {
+	compatible = "ti,omap3630-sdma", "ti,omap-sdma";
+};
+
 /* OMAP3630 needs dss_96m_fck for VENC */
 &venc {
 	clocks = <&dss_tv_fck>, <&dss_96m_fck>;