tegra: medcom: Add device tree support

Device tree support is required for working USB host support, which in
turn enables ethernet support.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

board/avionic-design/dts/tegra2-medcom.dts

@@ -0,0 +1,58 @@
+/dts-v1/;
+
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "Avionic Design Medcom-Wide";
+	compatible = "avionic-design,medcom", "nvidia,tegra20";
+
+	aliases {
+		usb0 = "/usb@c5008000";
+	};
+
+	memory {
+		reg = <0x00000000 0x20000000>;
+	};
+
+	clocks {
+		clk_32k: clk_32k {
+			clock-frequency = <32000>;
+		};
+
+		osc {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	clock@60006000 {
+		clocks = <&clk_32k &osc>;
+	};
+
+	serial@70006300 {
+		clock-frequency = <216000000>;
+	};
+
+	i2c@7000c000 {
+		status = "disabled";
+	};
+
+	i2c@7000c400 {
+		status = "disabled";
+	};
+
+	i2c@7000c500 {
+		status = "disabled";
+	};
+
+	i2c@7000d000 {
+		status = "disabled";
+	};
+
+	usb@c5000000 {
+		status = "disabled";
+	};
+
+	usb@c5004000 {
+		status = "disabled";
+	};
+};