dt-bindings: display: bridge: cdns,dsi: Add compatible for dsi on j721e

Add compatible to support dsi bridge on j721e
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230103101951.10963-3-r-ravikumar@ti.com

Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml

@@ -16,9 +16,15 @@ properties:
   compatible:
     enum:
       - cdns,dsi
+      - ti,j721e-dsi
 
   reg:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description:
+          Register block for controller's registers.
+      - description:
+          Register block for wrapper settings registers in case of TI J7 SoCs.
 
   clocks:
     items:
@@ -67,6 +73,23 @@ properties:
 allOf:
   - $ref: ../dsi-controller.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,j721e-dsi
+    then:
+      properties:
+        reg:
+          minItems: 2
+          maxItems: 2
+        power-domains:
+          maxItems: 1
+    else:
+      properties:
+        reg:
+          maxItems: 1
+
 required:
   - compatible
   - reg