[PATCH 6/15] dt-bindings: display: sun4i: Add HDMI display bindings

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One of the possible output of the display pipeline, on the SoCs that have
it, is the HDMI controller.

Add a binding for it.

Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 21 +++++++-
 1 file changed, 21 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index b82c00449468..4b280672658e 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -4,6 +4,27 @@ Allwinner A10 Display Pipeline
 The Allwinner A10 Display pipeline is composed of several components
 that are going to be documented below:
 
+HDMI Encoder
+------------
+
+The HDMI Encoder supports the HDMI video and audio outputs, and does
+CEC. It is one end of the pipeline.
+
+Required properties:
+  - compatible: value must be one of:
+    * allwinner,sun5i-a10s-hdmi
+  - reg: base address and size of memory-mapped region
+  - clocks: phandles to the clocks feeding the HDMI encoder
+    * ahb: the HDMI interface clock
+    * mod: the HDMI module clock
+    * pll-0: the first video PLL
+    * pll-1: the second video PLL
+  - clock-names: the clock names mentioned above
+
+  - ports: A ports node with endpoint definitions as defined in
+    Documentation/devicetree/bindings/media/video-interfaces.txt. The
+    first port should be the input endpoint.
+
 TV Encoder
 ----------
 
-- 
git-series 0.8.11
--
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