diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 3ff259207527..ebf5b7cfe215 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -296,7 +296,7 @@
 			 <&cpg_clocks R8A7779_CLK_S>,
 			 <&scif_clk>;
 		clock-names = "fck", "brg_int", "scif_clk";
-		power-domains = <&cpg_clocks>;
+		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
 		status = "disabled";
 	};
 
@@ -309,7 +309,7 @@
 			 <&cpg_clocks R8A7779_CLK_S>,
 			 <&scif_clk>;
 		clock-names = "fck", "brg_int", "scif_clk";
-		power-domains = <&cpg_clocks>;
+		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
 		status = "disabled";
 	};