diff --git a/boards/arm/stm32l562e_dk/doc/index.rst b/boards/arm/stm32l562e_dk/doc/index.rst
index 22e5ec16465..e26887732ac 100644
--- a/boards/arm/stm32l562e_dk/doc/index.rst
+++ b/boards/arm/stm32l562e_dk/doc/index.rst
@@ -174,6 +174,8 @@ hardware features:
 +-----------+------------+-------------------------------------+
 | RNG       | on-chip    | entropy                             |
 +-----------+------------+-------------------------------------+
+| SDMMC     | on-chip    | sd/mmc                              |
++-----------+------------+-------------------------------------+
 | SPI       | on-chip    | spi                                 |
 +-----------+------------+-------------------------------------+
 | TrustZone | on-chip    | Trusted Firmware-M                  |
diff --git a/boards/arm/stm32l562e_dk/stm32l562e_dk.yaml b/boards/arm/stm32l562e_dk/stm32l562e_dk.yaml
index 8ae4c8c6646..8a2496e077f 100644
--- a/boards/arm/stm32l562e_dk/stm32l562e_dk.yaml
+++ b/boards/arm/stm32l562e_dk/stm32l562e_dk.yaml
@@ -17,6 +17,7 @@ supported:
   - dma
   - usart
   - arduino_spi
+  - sdhc
   - usb
   - nvs
 ram: 192
diff --git a/boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi b/boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi
index 9e2da1432c5..0db539833cb 100644
--- a/boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi
+++ b/boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi
@@ -214,3 +214,18 @@ zephyr_udc0: &usb {
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&sdmmc1 {
+	status = "okay";
+
+	pinctrl-0 = <&sdmmc1_d0_pc8
+		     &sdmmc1_d1_pc9
+		     &sdmmc1_d2_pc10
+		     &sdmmc1_d3_pc11
+		     &sdmmc1_ck_pc12
+		     &sdmmc1_cmd_pd2>;
+
+	pinctrl-names = "default";
+
+	cd-gpios = <&gpiof 2 GPIO_ACTIVE_LOW>;
+};
diff --git a/boards/arm/stm32l562e_dk/stm32l562e_dk_ns.yaml b/boards/arm/stm32l562e_dk/stm32l562e_dk_ns.yaml
index f8abd716398..414e0bc4961 100644
--- a/boards/arm/stm32l562e_dk/stm32l562e_dk_ns.yaml
+++ b/boards/arm/stm32l562e_dk/stm32l562e_dk_ns.yaml
@@ -12,5 +12,6 @@ supported:
   - dac
   - spi
   - arduino_spi
+  - sdhc
 ram: 192
 flash: 512
diff --git a/dts/arm/st/l5/stm32l5.dtsi b/dts/arm/st/l5/stm32l5.dtsi
index c9efaa35a2c..ab884c83a07 100644
--- a/dts/arm/st/l5/stm32l5.dtsi
+++ b/dts/arm/st/l5/stm32l5.dtsi
@@ -337,6 +337,14 @@
 			status = "disabled";
 		};
 
+		sdmmc1: sdmmc@420c8000 {
+			compatible = "st,stm32-sdmmc";
+			reg = <0x420c8000 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00400000>;
+			interrupts = <78 0>;
+			status = "disabled";
+		};
+
 		dac1: dac@40007400 {
 			compatible = "st,stm32-dac";
 			reg = <0x40007400 0x400>;