diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index 56570d1ce5f6..131f65b0426e 100644
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -56,6 +56,7 @@ cpu1: cpu@1 {
 			compatible = "arm,cortex-a15";
 			reg = <1>;
 			clock-frequency = <1000000000>;
+			clocks = <&cpg CPG_CORE R8A7792_CLK_Z>;
 			power-domains = <&sysc R8A7792_PD_CA15_CPU1>;
 			next-level-cache = <&L2_CA15>;
 		};