[PATCH 1/2] dt-bindings: add media/cec.txt

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From: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Document common HDMI CEC bindings. Add this to the MAINTAINERS file
as well.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Cc: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---
 Documentation/devicetree/bindings/media/cec.txt | 8 ++++++++
 MAINTAINERS                                     | 1 +
 2 files changed, 9 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/cec.txt

diff --git a/Documentation/devicetree/bindings/media/cec.txt b/Documentation/devicetree/bindings/media/cec.txt
new file mode 100644
index 000000000000..22d7aae3d3d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/cec.txt
@@ -0,0 +1,8 @@
+Common bindings for HDMI CEC adapters
+
+- hdmi-phandle: phandle to the HDMI controller.
+
+- 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.
diff --git a/MAINTAINERS b/MAINTAINERS
index 053c3bdd1fe5..4ac340d189a3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3137,6 +3137,7 @@ F:	include/media/cec.h
 F:	include/media/cec-notifier.h
 F:	include/uapi/linux/cec.h
 F:	include/uapi/linux/cec-funcs.h
+F:	Documentation/devicetree/bindings/media/cec.txt
 
 CELL BROADBAND ENGINE ARCHITECTURE
 M:	Arnd Bergmann <arnd@xxxxxxxx>
-- 
2.11.0

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