--- a/arch/arm/boot/dts/mediatek/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mediatek/mt7623n-bananapi-bpi-r2.dts
@@ -26,7 +26,9 @@
 
 	chosen {
 		stdout-path = "serial2:115200n8";
-		bootargs = "earlycon=uart8250,mmio32,0x11004000 console=ttyS2,115200n8 console=tty1";
+		bootargs = "root=/dev/fit0 earlycon=uart8250,mmio32,0x11004000 console=ttyS2,115200n8 console=tty1";
+		rootdisk-emmc = <&emmc_rootdisk>;
+		rootdisk-sd = <&sd_rootdisk>;
 	};
 
 	connector {
@@ -338,6 +340,20 @@
 	vmmc-supply = <&reg_3p3v>;
 	vqmmc-supply = <&reg_1p8v>;
 	non-removable;
+
+	card@0 {
+		compatible = "mmc-card";
+		reg = <0>;
+
+		block {
+			compatible = "block-device";
+			partitions {
+				emmc_rootdisk: block-partition-fit {
+					partno = <3>;
+				};
+			};
+		};
+	};
 };
 
 &mmc1 {
@@ -351,6 +367,20 @@
 	cd-gpios = <&pio 261 GPIO_ACTIVE_LOW>;
 	vmmc-supply = <&reg_3p3v>;
 	vqmmc-supply = <&reg_3p3v>;
+
+	card@0 {
+		compatible = "mmc-card";
+		reg = <0>;
+
+		block {
+			compatible = "block-device";
+			partitions {
+				sd_rootdisk: block-partition-fit {
+					partno = <3>;
+				};
+			};
+		};
+	};
 };
 
 &mt6323keys {