dt-bindings: watchdog: renesas,wdt: Add support for RZ/N1

Describe the WDT hardware in the RZ/N1 series.

Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[groeck: Rebased, fixed conflicts]
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>

Author: jjhiblot

Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml

@@ -19,6 +19,11 @@ properties:
               - renesas,r7s9210-wdt      # RZ/A2
           - const: renesas,rza-wdt       # RZ/A
 
+      - items:
+          - enum:
+              - renesas,r9a06g032-wdt    # RZ/N1D
+          - const: renesas,rzn1-wdt      # RZ/N1
+
       - items:
           - enum:
               - renesas,r9a07g043-wdt    # RZ/G2UL
@@ -96,6 +101,7 @@ allOf:
             contains:
               enum:
                 - renesas,rza-wdt
+                - renesas,rzn1-wdt
     then:
       required:
         - power-domains