--- arch/arm/dts/rk3399-nanopi-m4.dts.orig	2020-07-06 22:22:53.000000000 +0300
+++ arch/arm/dts/rk3399-nanopi-m4.dts	2021-07-13 11:59:42.982820000 +0300
@@ -60,6 +60,21 @@
 	phy-supply = <&vcc5v0_usb2>;
 };
 
+&usbdrd_dwc3_0 {
+        status = "okay";
+	dr_mode = "host";
+};
+
+&usbdrd_dwc3_1 {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&sdhci {
+	mmc-hs400-1_8v;
+        mmc-hs400-enhanced-strobe;
+};
+
 &vbus_typec {
 	regulator-always-on;
 	vin-supply = <&vdd_5v>;