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

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Message-Id: <20220924153304.77598-3-paul.kocialkowski@bootlin.com>
Date:   Sat, 24 Sep 2022 17:33:00 +0200
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev
Cc:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v7 2/6] dt-bindings: media: sun6i-a31-csi: Add internal output port to the ISP

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@...tlin.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../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