diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 5cac79ebebb1..c065266ee377 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -339,6 +339,20 @@
 			dma-requests = <32>;
 		};
 
+		sdmmc1: sdmmc@52007000 {
+			compatible = "arm,pl18x", "arm,primecell";
+			arm,primecell-periphid = <0x10153180>;
+			reg = <0x52007000 0x1000>;
+			interrupts = <49>;
+			interrupt-names	= "cmd_irq";
+			clocks = <&rcc SDMMC1_CK>;
+			clock-names = "apb_pclk";
+			resets = <&rcc STM32H7_AHB3_RESET(SDMMC1)>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			max-frequency = <120000000>;
+		};
+
 		exti: interrupt-controller@58000000 {
 			compatible = "st,stm32h7-exti";
 			interrupt-controller;