Thread (46 messages) 46 messages, 6 authors, 2017-05-03
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[PATCH 6/15] dt-bindings: display: sun4i: Add HDMI display bindings

From: Maxime Ripard <hidden>
Date: 2017-03-07 09:30:38
Also in: dri-devel, linux-clk, linux-devicetree, lkml
Subsystem: drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

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 <redacted>
---
 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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