diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index be94c6ad7e94a5523476ddf50db0c47ea23b47c7..f9ad71f7c807ce365cc5501e4fdafd4f8476a30f 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -90,6 +90,14 @@
 	clock-frequency = <25000000>;
 };
 
+&i2c1 {
+	pinctrl-0 = <&i2c1_pins_b>;
+	pinctrl-names = "default";
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+};
+
 &sdio1 {
 	status = "okay";
 	vmmc-supply = <&mmc_vcard>;