diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index de133badcdc9..f2120be74331 100644
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -89,7 +89,8 @@ i2c0: i2c-master@0d090000 {
 			#size-cells = <0>;
 			reg = <0x0d090000 0x20>;
 			reg-shift = <2>;
-			reg-io-width = <1>;
+			reg-io-width = <4>;
+			native-endian;
 			interrupts = <4 1>;
 			clocks = <&osc>;