diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts
index c92c2e2..9e8d2a0 100644
--- a/arch/arm/dts/stm32f746-disco.dts
+++ b/arch/arm/dts/stm32f746-disco.dts
@@ -65,6 +65,7 @@
 	aliases {
 		serial0 = &usart1;
 		spi0 = &qspi;
+		mmc0 = &sdio;
 		/* Aliases for gpios so as to use sequence */
 		gpio0 = &gpioa;
 		gpio1 = &gpiob;
@@ -238,3 +239,14 @@
 			reg = <0>;
 	};
 };
+
+&sdio {
+	status = "okay";
+	cd-gpios = <&gpioc 13 0>;
+	cd-inverted;
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_pins_od>;
+	bus-width = <4>;
+	max-frequency = <25000000>;
+};