diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
index 2c8ab223fdf6..2063507d0c50 100644
--- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
@@ -45,11 +45,13 @@ cpu@0 {
 	clocks {
 		slow_xtal: clock-slowxtal {
 			compatible = "fixed-clock";
+			clock-output-names = "slow_xtal";
 			#clock-cells = <0>;
 		};
 
 		main_xtal: clock-mainxtal {
 			compatible = "fixed-clock";
+			clock-output-names = "main_xtal";
 			#clock-cells = <0>;
 		};
 	};