From ab02a00c9e32a5eb1525689b990ad9d345f0832e Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 30 Nov 2021 19:53:56 +0000
Subject: [PATCH] dt-bindings: watchdog: renesas,wdt: Add support for RZ/G2L

Describe the WDT hardware in the RZ/G2L series.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211130195357.18626-2-biju.das.jz@bp.renesas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
---
 .../devicetree/bindings/watchdog/renesas,wdt.yaml  | 75 ++++++++++++++++------
 1 file changed, 57 insertions(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
index ab66d3f..91a98cc 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
@@ -10,9 +10,6 @@ maintainers:
   - Wolfram Sang <wsa+renesas@sang-engineering.com>
   - Geert Uytterhoeven <geert+renesas@glider.be>
 
-allOf:
-  - $ref: "watchdog.yaml#"
-
 properties:
   compatible:
     oneOf:
@@ -24,6 +21,11 @@ properties:
 
       - items:
           - enum:
+              - renesas,r9a07g044-wdt    # RZ/G2{L,LC}
+          - const: renesas,rzg2l-wdt     # RZ/G2L
+
+      - items:
+          - enum:
               - renesas,r8a7742-wdt      # RZ/G1H
               - renesas,r8a7743-wdt      # RZ/G1M
               - renesas,r8a7744-wdt      # RZ/G1N
@@ -56,11 +58,13 @@ properties:
   reg:
     maxItems: 1
 
-  interrupts:
-    maxItems: 1
+  interrupts: true
 
-  clocks:
-    maxItems: 1
+  interrupt-names: true
+
+  clocks: true
+
+  clock-names: true
 
   power-domains:
     maxItems: 1
@@ -75,17 +79,52 @@ required:
   - reg
   - clocks
 
-if:
-  not:
-    properties:
-      compatible:
-        contains:
-          enum:
-            - renesas,rza-wdt
-then:
-  required:
-    - power-domains
-    - resets
+allOf:
+  - $ref: "watchdog.yaml#"
+
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - renesas,rza-wdt
+    then:
+      required:
+        - power-domains
+        - resets
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,rzg2l-wdt
+    then:
+      properties:
+        interrupts:
+          maxItems: 2
+        interrupt-names:
+          items:
+            - const: wdt
+            - const: perrout
+        clocks:
+          items:
+            - description: Register access clock
+            - description: Main clock
+        clock-names:
+          items:
+            - const: pclk
+            - const: oscclk
+      required:
+        - clock-names
+        - interrupt-names
+    else:
+      properties:
+        interrupts:
+          maxItems: 1
+        clocks:
+          maxItems: 1
 
 additionalProperties: false
 
-- 
2.7.4