diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
index 71dc7eb..110eb43 100644
--- a/arch/arm/dts/exynos4.dtsi
+++ b/arch/arm/dts/exynos4.dtsi
@@ -128,6 +128,14 @@
 		interrupts = <0 78 0>;
 	};
 
+	dwmmc@12550000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-dwmmc";
+		reg = <0x12550000 0x1000>;
+		interrupts = <0 131 0>;
+	};
+
 	gpio: gpio {
 		gpio-controller;
 		#gpio-cells = <2>;
diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
index 1596f83..5269ae6 100644
--- a/arch/arm/dts/exynos4412-trats2.dts
+++ b/arch/arm/dts/exynos4412-trats2.dts
@@ -31,6 +31,7 @@
 		console = "/serial@13820000";
 		mmc0 = "sdhci@12510000";
 		mmc2 = "sdhci@12530000";
+		mmc4 = "dwmmc@12550000";
 	};
 
 	i2c@138d0000 {
@@ -431,4 +432,11 @@
 	sdhci@12540000 {
 		status = "disabled";
 	};
+
+	dwmmc@12550000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <0 1 0>;
+		pwr-gpios = <&gpio 0xB2 0>;
+		index = <4>;
+	};
 };