--- zzzz-none-000/linux-3.10.107/arch/arm/boot/dts/wm8505-ref.dts	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/boot/dts/wm8505-ref.dts	2021-02-04 17:41:59.000000000 +0000
@@ -30,3 +30,7 @@
 		};
 	};
 };
+
+&uart0 {
+	status = "okay";
+};