diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index a8a674bafa67..60ca62254536 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -453,7 +453,7 @@ subck_clks: subck_clks@e6150080 {
 			reg = <0xe6150080 4>;
 			clocks = <&sub_clk>, <&sub_clk>;
 			#clock-cells = <1>;
-			renesas,clock-indices = <
+			clock-indices = <
 				R8A7740_CLK_SUBCK R8A7740_CLK_SUBCK2
 			>;
 			clock-output-names =
@@ -468,7 +468,7 @@ mstp1_clks: mstp1_clks@e6150134 {
 				 <&cpg_clocks R8A7740_CLK_HPP>, <&sub_clk>,
 				 <&cpg_clocks R8A7740_CLK_B>;
 			#clock-cells = <1>;
-			renesas,clock-indices = <
+			clock-indices = <
 				R8A7740_CLK_CEU21 R8A7740_CLK_CEU20 R8A7740_CLK_TMU0
 				R8A7740_CLK_LCDC1 R8A7740_CLK_IIC0 R8A7740_CLK_TMU1
 				R8A7740_CLK_LCDC0
@@ -489,7 +489,7 @@ mstp2_clks: mstp2_clks@e6150138 {
 				 <&sub_clk>, <&sub_clk>, <&sub_clk>,
 				 <&sub_clk>;
 			#clock-cells = <1>;
-			renesas,clock-indices = <
+			clock-indices = <
 				R8A7740_CLK_SCIFA6 R8A7740_CLK_INTCA
 				R8A7740_CLK_SCIFA7
 				R8A7740_CLK_DMAC1 R8A7740_CLK_DMAC2
@@ -518,7 +518,7 @@ mstp3_clks: mstp3_clks@e615013c {
 				 <&cpg_clocks R8A7740_CLK_HP>,
 				 <&cpg_clocks R8A7740_CLK_HP>;
 			#clock-cells = <1>;
-			renesas,clock-indices = <
+			clock-indices = <
 				R8A7740_CLK_CMT1 R8A7740_CLK_FSI R8A7740_CLK_IIC1
 				R8A7740_CLK_USBF R8A7740_CLK_SDHI0 R8A7740_CLK_SDHI1
 				R8A7740_CLK_MMC R8A7740_CLK_GETHER R8A7740_CLK_TPU0
@@ -535,7 +535,7 @@ mstp4_clks: mstp4_clks@e6150140 {
 				 <&cpg_clocks R8A7740_CLK_HP>,
 				 <&cpg_clocks R8A7740_CLK_HP>;
 			#clock-cells = <1>;
-			renesas,clock-indices = <
+			clock-indices = <
 				R8A7740_CLK_USBH R8A7740_CLK_SDHI2
 				R8A7740_CLK_USBFUNC R8A7740_CLK_USBPHY
 			>;