diff --git a/arch/arm/boot/dts/tegra20-colibri-iris.dts b/arch/arm/boot/dts/tegra20-colibri-iris.dts
index b6d05da8c93c..cbf1f4d76813 100644
--- a/arch/arm/boot/dts/tegra20-colibri-iris.dts
+++ b/arch/arm/boot/dts/tegra20-colibri-iris.dts
@@ -8,10 +8,12 @@ / {
 	compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
 
 	aliases {
-		rtc0 = "/i2c@7000d000/tps6586x@34";
-		rtc1 = "/rtc@7000e000";
+		rtc0 = "/i2c@7000c000/rtc@68";
+		rtc1 = "/i2c@7000d000/tps6586x@34";
+		rtc2 = "/rtc@7000e000";
 		serial0 = &uarta;
 		serial1 = &uartd;
+		serial2 = &uartb;
 	};
 
 	chosen {