[PATCH v4 2/3] dt-bindings: media: imx8-isi: Use 'port' instead of 'ports' for i.MX8MN

[Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>]

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 .../bindings/media/nxp,imx8-isi.yaml          | 39 +++++++++++--------
 1 file changed, 22 insertions(+), 17 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
index 6038b9b5ab36..121594569395 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
@@ -52,11 +52,21 @@ properties:
   power-domains:
     maxItems: 1
 
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: |
+      The port represents the Pixel Link input to the ISI. It shall have a
+      single endpoint. This property is only used for ISI instances with a
+      single port (as in the i.MX8MN). For instances that includes multiple
+      ports, the 'ports' property shall be used instead.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
     description: |
       Ports represent the Pixel Link inputs to the ISI. Their number and
-      assignment are model-dependent. Each port shall have a single endpoint.
+      assignment are model-dependent. For ISI instances that have a single
+      port, the 'port' property should be used instead. Each port shall have a
+      single endpoint.
 
 required:
   - compatible
@@ -65,7 +75,6 @@ required:
   - clocks
   - clock-names
   - fsl,blk-ctrl
-  - ports
 
 allOf:
   - if:
@@ -77,12 +86,11 @@ allOf:
       properties:
         interrupts:
           maxItems: 1
-        ports:
-          properties:
-            port@0:
-              description: MIPI CSI-2 RX
-          required:
-            - port@0
+        port:
+          description: MIPI CSI-2 RX
+        ports: false
+      required:
+        - port
 
   - if:
       properties:
@@ -93,6 +101,7 @@ allOf:
       properties:
         interrupts:
           maxItems: 2
+        port: false
         ports:
           properties:
             port@0:
@@ -102,6 +111,8 @@ allOf:
           required:
             - port@0
             - port@1
+      required:
+        - ports
 
 additionalProperties: false
 
@@ -122,15 +133,9 @@ examples:
         fsl,blk-ctrl = <&disp_blk_ctrl>;
         power-domains = <&disp_blk_ctrl IMX8MN_DISPBLK_PD_ISI>;
 
-        ports {
-            #address-cells = <1>;
-            #size-cells = <0>;
-
-            port@0 {
-                reg = <0>;
-                isi_in: endpoint {
-                    remote-endpoint = <&mipi_csi_out>;
-                };
+        port {
+            isi_in: endpoint {
+                remote-endpoint = <&mipi_csi_out>;
             };
         };
     };
-- 
Regards,

Laurent Pinchart