diff -Naur linux-4.14.20.ori/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts linux-4.14.20/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
--- linux-4.14.20.ori/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts	2018-03-02 09:40:04.794444000 +0100
+++ linux-4.14.20/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts	2018-03-02 09:41:04.880472000 +0100
@@ -88,7 +88,7 @@
 
 		sw4 {
 			label = "sw4";
-			linux,code = <BTN_0>;
+			linux,code = <KEY_POWER>;
 			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
 		};
 	};
@@ -203,7 +203,7 @@
 };
 
 &usb_otg {
-	dr_mode = "otg";
+	dr_mode = "host";
 	status = "okay";
 };