[PATCH 2/3] media: dt-bindings: nxp,imx8-isi: Allow single port for single pipeline models

[Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>]

In case the hardware only supports just one pipeline, allow using a
single port node as well.

Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
 .../devicetree/bindings/media/nxp,imx8-isi.yaml    | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
index 4d5348d456a1f..f855f3cc91fea 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
@@ -53,6 +53,12 @@ properties:
   power-domains:
     maxItems: 1
 
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: |
+      Port representing the Pixel Link input to the ISI. Used for
+      single-pipeline models. The port shall have a single endpoint.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
     description: |
@@ -66,7 +72,6 @@ required:
   - clocks
   - clock-names
   - fsl,blk-ctrl
-  - ports
 
 allOf:
   - if:
@@ -87,6 +92,11 @@ allOf:
             port@1: false
           required:
             - port@0
+      oneOf:
+        - required:
+            - port
+        - required:
+            - ports
 
   - if:
       properties:
@@ -106,6 +116,8 @@ allOf:
           required:
             - port@0
             - port@1
+      required:
+        - ports
 
 additionalProperties: false
 
-- 
2.34.1