[PATCH v2 1/1] dt-bindings: display: allow port and ports in panel-lvds

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Both port and ports names may be used in a panel-lvds binding
  port - for a single port
  ports - if there is more than one port in sub-nodes

Fixes the following warning:
advantech,idk-2121wr.example.dt.yaml: panel-lvds: 'port' is a required property

advantech,idk-2121wr.yaml needs several ports, so uses a ports node.

v2:
  - Use oneOf - makes the logic more obvious (Rob)
  - Added Fixes tag
  - Added port: true, ports:true

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Fixes: 8efef33eff50 ("dt-bindings: display: Add idk-2121wr binding")
Cc: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
 .../devicetree/bindings/display/panel/lvds.yaml        | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/panel/lvds.yaml b/Documentation/devicetree/bindings/display/panel/lvds.yaml
index d0083301acbe..a5587c4f5ad0 100644
--- a/Documentation/devicetree/bindings/display/panel/lvds.yaml
+++ b/Documentation/devicetree/bindings/display/panel/lvds.yaml
@@ -96,12 +96,20 @@ properties:
       If set, reverse the bit order described in the data mappings below on all
       data lanes, transmitting bits for slots 6 to 0 instead of 0 to 6.
 
+  port: true
+  ports: true
+
 required:
   - compatible
   - data-mapping
   - width-mm
   - height-mm
   - panel-timing
-  - port
+
+oneOf:
+  - required:
+    - port
+  - required:
+    - ports
 
 ...
-- 
2.20.1




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