[PATCH 03/12] dt-bindings: display: sun4i-drm: Add DDC power supply

[megous at megous.com]

From: Ondrej Jirman <megous at megous.com>

Some Allwinner SoC using boards need to enable a regulator
for the DDC bus to be usable.

Add binding documentation for it.

Signed-off-by: Ondrej Jirman <megous at megous.com>
---
 Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index 31ab72cba3d4..31474fb92313 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -104,6 +104,7 @@ Required properties:
     output, usually to an HDMI connector.
 
 Optional properties:
+  - ddc-supply: the VCC power supply for the DDC bus
   - hvcc-supply: the VCC power supply of the controller
 
 DWC HDMI PHY
-- 
2.21.0