diff --git a/arch/arm/boot/dts/at91-ariag25.dts b/arch/arm/boot/dts/at91-ariag25.dts
index 55ab6180e350d10e9c4f816095eba4910a37cbce..e9ced30159a728d608c75b4a5098a6b08e7bb12c 100644
--- a/arch/arm/boot/dts/at91-ariag25.dts
+++ b/arch/arm/boot/dts/at91-ariag25.dts
@@ -42,6 +42,14 @@
 			compatible = "atmel,osc", "fixed-clock";
 			clock-frequency = <12000000>;
 		};
+
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
 	};
 
 	ahb {