dt-bindings: usb: dwc3-xilinx: Describe the reset constraint for the versal platform

AMD Versal platform USB 2.0 IP controller receives one reset input from
the SoC controlled by the CRL.RST_USB [RESET] register so accordingly
describe reset constraints.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://patch.msgid.link/20251114123239.1929255-1-radhey.shyam.pandey@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Radhey Shyam Pandey

Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml

@@ -47,6 +47,7 @@ properties:
       - const: ref_clk
 
   resets:
+    minItems: 1
     description:
       A list of phandles for resets listed in reset-names.
 
@@ -56,6 +57,7 @@ properties:
       - description: USB APB reset
 
   reset-names:
+    minItems: 1
     items:
       - const: usb_crst
       - const: usb_hibrst
@@ -95,6 +97,26 @@ required:
   - resets
   - reset-names
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - xlnx,versal-dwc3
+    then:
+      properties:
+        resets:
+          maxItems: 1
+        reset-names:
+          maxItems: 1
+    else:
+      properties:
+        resets:
+          minItems: 3
+        reset-names:
+          minItems: 3
+
 additionalProperties: false
 
 examples: