diff --git a/arch/arm/boot/dts/renesas/r7s72100-genmai.dts b/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
index 3ceb1ea3163c..c81840dfb7da 100644
--- a/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
@@ -87,6 +87,15 @@ memory@8000000 {
 		device_type = "memory";
 		reg = <0x08000000 0x08000000>;
 	};
+
+	cvcc2: regulator-mmc {
+		compatible = "regulator-fixed";
+		regulator-name = "Cvcc2";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
 };
 
 &bsc {
@@ -178,6 +187,17 @@ eeprom@50 {
 	};
 };
 
+&mmcif {
+	pinctrl-0 = <&mmcif_pins>;
+	pinctrl-names = "default";
+	cd-gpios = <&port3 8 GPIO_ACTIVE_LOW>;
+
+	vmmc-supply = <&cvcc2>;
+	vqmmc-supply = <&cvcc2>;
+	bus-width = <8>;
+	status = "okay";
+};
+
 &mtu2 {
 	status = "okay";
 };
@@ -223,6 +243,20 @@ keyboard_pins: keyboard {
 		pinmux = <RZA1_PINMUX(3, 1, 3)>;
 	};
 
+	mmcif_pins: mmcif {
+		/* MMCIF: P3_8 is CD_GPIO, P3_10 up to P3_15, P4_0 up to P4_3 */
+		pinmux = <RZA1_PINMUX(3, 10, 8)>,	/* MMC_D1 */
+			 <RZA1_PINMUX(3, 11, 8)>,	/* MMC_D0 */
+			 <RZA1_PINMUX(3, 12, 8)>,	/* MMC_CLK */
+			 <RZA1_PINMUX(3, 13, 8)>,	/* MMC_CMD */
+			 <RZA1_PINMUX(3, 14, 8)>,	/* MMC_D3 */
+			 <RZA1_PINMUX(3, 15, 8)>,	/* MMC_D2 */
+			 <RZA1_PINMUX(4, 0, 8)>,	/* MMC_D4 */
+			 <RZA1_PINMUX(4, 1, 8)>,	/* MMC_D5 */
+			 <RZA1_PINMUX(4, 2, 8)>,	/* MMC_D6 */
+			 <RZA1_PINMUX(4, 3, 8)>;	/* MMC_D7 */
+	};
+
 	scif2_pins: serial2 {
 		/* P3_0 as TxD2; P3_2 as RxD2 */
 		pinmux = <RZA1_PINMUX(3, 0, 6)>, <RZA1_PINMUX(3, 2, 4)>;