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sunxi: display: Add composite video out support

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Add composite video out support.

This only gets enabled on the Mele M3 for now, since that is were it
was tested. It will be enabled on more boards after testing.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede
2015-08-03 19:20:26 +02:00
parent f6d9d32462
commit 39920c81ce
4 changed files with 191 additions and 24 deletions
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7
doc/README.video
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@@ -40,12 +40,15 @@ requires the CONFIG_VIDEO_LCD_MODE Kconfig value to be set.
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