diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index fac9cdea4965..a50924d12b6f 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -312,9 +312,8 @@
 		#size-cells = <0>;
 		compatible = "i2c-gpio";
 		status = "disabled";
-		gpios = <&gpio7 16 GPIO_ACTIVE_HIGH /* sda */
-			 &gpio7 15 GPIO_ACTIVE_HIGH /* scl */
-			>;
+		sda-gpios = <&gpio7 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio7 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 		i2c-gpio,delay-us = <5>;
 	};