diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 31c99526470d..f88d45a368af 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -202,6 +202,7 @@
 	firmware {
 		acpm_ipc: power-management {
 			compatible = "google,gs101-acpm-ipc";
+			#clock-cells = <1>;
 			mboxes = <&ap2apm_mailbox>;
 			shmem = <&apm_sram>;
 		};