diff -urN linux-2.6.24.orig/arch/powerpc/boot/dts/mpc8313erdb.dts linux-2.6.24/arch/powerpc/boot/dts/mpc8313erdb.dts
--- linux-2.6.24.orig/arch/powerpc/boot/dts/mpc8313erdb.dts	2008-01-24 23:58:37.000000000 +0100
+++ linux-2.6.24/arch/powerpc/boot/dts/mpc8313erdb.dts	2008-02-08 08:09:07.000000000 +0100
@@ -52,12 +52,20 @@
 		};
 
 		i2c@3000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			device_type = "i2c";
 			compatible = "fsl-i2c";
 			reg = <3000 100>;
 			interrupts = <e 8>;
 			interrupt-parent = < &ipic >;
 			dfsrr;
+
+			rtc@68 {
+				device_type = "rtc";
+				compatible = "dallas,ds1339";
+				reg = <68>;
+			};
 		};
 
 		i2c@3100 {