diff -ur u-boot-2020.01.orig/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts u-boot-2020.01/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts
--- u-boot-2020.01.orig/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts	Tue Jan  7 05:56:31 2020
+++ u-boot-2020.01/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts	Sun Sep 20 04:49:56 2020
@@ -18,8 +18,12 @@
 	compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 		serial1 = &uart1;
+		serial2 = &uart2;
+		serial3 = &uart3;
+		i2c0 = &i2c0;
 	};
 
 	chosen {
@@ -59,6 +63,13 @@
 	status = "okay";
 };
 
+&emac {
+	phy-handle = <&int_mii_phy>;
+	phy-mode = "mii";
+	allwinner,leds-active-low;
+	status = "okay";
+};
+
 &mmc0 {
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
@@ -104,6 +115,18 @@
 	status = "okay";
 };
 
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pins>, <&uart3_rts_cts_pins>;
+	status = "okay";
+};
+
 &usb_otg {
 	dr_mode = "otg";
 	status = "okay";
@@ -117,5 +140,11 @@
 	 * the external USB device will be powered just by the power input
 	 * from the power-only USB port.
 	 */
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
 	status = "okay";
 };
diff -ur u-boot-2020.01.orig/configs/bananapi_m2_zero_defconfig u-boot-2020.01/configs/bananapi_m2_zero_defconfig
--- u-boot-2020.01.orig/configs/bananapi_m2_zero_defconfig	Tue Jan  7 05:56:31 2020
+++ u-boot-2020.01/configs/bananapi_m2_zero_defconfig	Sun Sep 20 06:27:06 2020
@@ -9,4 +9,5 @@
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-bananapi-m2-zero"
+CONFIG_SUN8I_EMAC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y