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[v8,2/6] dt-bindings: media: sun6i-a31-csi: Add internal output port to the ISP

Message ID 20221103163717.246217-3-paul.kocialkowski@bootlin.com
State Accepted
Commit 4c6f0bc17783c00d5ba412f2dc1c982547ef4337
Headers show
Series Allwinner A31/A83T MIPI CSI-2 and A31 ISP / ISP Driver | expand

Commit Message

Paul Kocialkowski Nov. 3, 2022, 4:37 p.m. UTC 
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@bootlin.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml    | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
index f1ccca35a790..b3d6db922693 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