dt-bindings: gpio: vf610: add ngpios and gpio-reserved-ranges

Add optional ngpios and gpio-reserved-ranges property.

Reviewed-by: Frank Li <[email protected]>
Signed-off-by: Haibo Chen <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bartosz Golaszewski <[email protected]>

Author: Haibo Chen

Documentation/devicetree/bindings/gpio/gpio-vf610.yaml

@@ -70,6 +70,13 @@ properties:
     minItems: 1
     maxItems: 4
 
+  gpio-reserved-ranges: true
+
+  ngpios:
+    minimum: 1
+    maximum: 32
+    default: 32
+
 patternProperties:
   "^.+-hog(-[0-9]+)?$":
     type: object