diff --git a/board/nvidia/dts/tegra2-seaboard.dts b/board/nvidia/dts/tegra2-seaboard.dts
index dde5d03..87f58fb 100644
--- a/board/nvidia/dts/tegra2-seaboard.dts
+++ b/board/nvidia/dts/tegra2-seaboard.dts
@@ -16,6 +16,16 @@
 		reg = < 0x00000000 0x40000000 >;
 	};
 
+	clocks {
+		osc {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	clock@60006000 {
+		clocks = <&osc>;
+	};
+
 	serial@70006300 {
 		clock-frequency = < 216000000 >;
 	};