[PATCH v7 2/6] dt-bindings: media: sun6i-a31-csi: Add internal output port to the ISP

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Some Allwinner devices come with an Image Signal Processor (ISP) that
allows processing camera data to produce good-looking images,
especially from raw bayer representations.

The ISP does not have a dedicated capture path: it is fed directly by
one of the CSI controllers, which can be selected at run-time.

Represent this possibility as a graph connection between the CSI
controller and the ISP in the device-tree bindings.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
index 8551c4a711dc..e423aaebefcd 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
@@ -73,6 +73,10 @@ properties:
         $ref: /schemas/graph.yaml#/properties/port
         description: MIPI CSI-2 bridge input port
 
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Internal output port to the ISP
+
     anyOf:
       - required:
           - port@0
-- 
2.37.3




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