+This will create composite gandet on boot through which you can insert keystrokes,
+mount disk images, or open serial port back to arm board.
+
+I'm using Debian armbian image for all Allwinner boards with linux-image-next-sunxi kernel.
+
+This setup has been tested on:
+- Raspberry Pi 0
+- Cubieboard2 A20
+- Lamobo R1 A20
+- Cubieboard A10
+
+