Commit e8537b35 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab

[media] dt-bindings: media/s5p-cec.txt: document needs-hpd property

Needed for boards that wire the CEC pin in such a way that it
is unavailable when the HPD is low.
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 41c01d65
...@@ -17,6 +17,12 @@ Required properties: ...@@ -17,6 +17,12 @@ Required properties:
- samsung,syscon-phandle - phandle to the PMU system controller - samsung,syscon-phandle - phandle to the PMU system controller
- hdmi-phandle - phandle to the HDMI controller - hdmi-phandle - phandle to the HDMI controller
Optional:
- needs-hpd : if present the CEC support is only available when the HPD
is high. Some boards only let the CEC pin through if the HPD is high, for
example if there is a level converter that uses the HPD to power up
or down.
Example: Example:
hdmicec: cec@100B0000 { hdmicec: cec@100B0000 {
......
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