The sunxi u-boot driver supports the following video-mode options:
-- monitor=[none|dvi|hdmi|lcd] - Select the video output to use
+- monitor=[none|dvi|hdmi|lcd|vga|composite-*] - Select the video output to use
none: Disable video output.
dvi/hdmi: Selects output over the hdmi connector with dvi resp. hdmi output
format, if edid is used the format is automatically selected.
lcd: Selects video output to a LCD screen.
- vga: Selects bideo output over the VGA connector.
+ vga: Selects video output over the VGA connector.
+ composite-pal/composite-ntsc/composite-pal-m/composite-pal-nc:
+ Selects composite video output, note the specified resolution is
+ ignored with composite video output.
Defaults to monitor=dvi.
- hpd=[0|1] - Enable use of the hdmi HotPlug Detect feature