dt-bindings: interrupt-controller: Add support for Amlogic A4 and A5 SoCs

Update dt-binding document for GPIO interrupt controller
of Amlogic A4 and A5 SoCs

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20250311-irqchip-gpio-a4-a5-v5-1-ca4cc276c18c@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

Author: Xianwei Zhao

Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml

@@ -35,6 +35,9 @@ properties:
               - amlogic,meson-sm1-gpio-intc
               - amlogic,meson-a1-gpio-intc
               - amlogic,meson-s4-gpio-intc
+              - amlogic,a4-gpio-intc
+              - amlogic,a4-gpio-ao-intc
+              - amlogic,a5-gpio-intc
               - amlogic,c3-gpio-intc
               - amlogic,t7-gpio-intc
           - const: amlogic,meson-gpio-intc
@@ -49,7 +52,7 @@ properties:
 
   amlogic,channel-interrupts:
     description: Array with the upstream hwirq numbers
-    minItems: 8
+    minItems: 2
     maxItems: 12
     $ref: /schemas/types.yaml#/definitions/uint32-array
 
@@ -60,6 +63,20 @@ required:
   - "#interrupt-cells"
   - amlogic,channel-interrupts
 
+if:
+  properties:
+    compatible:
+      contains:
+        const: amlogic,a4-gpio-ao-intc
+then:
+  properties:
+    amlogic,channel-interrupts:
+      maxItems: 2
+else:
+  properties:
+    amlogic,channel-interrupts:
+      minItems: 8
+
 additionalProperties: false
 
 examples: