linux-kernel - [PATCH v2 1/2] dt-bindings: watchdog: renesas,wdt: Document RZ/V2H(P) SoC

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Date: Mon, 24 Jun 2024 18:25:08 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v2 1/2] dt-bindings: watchdog: renesas,wdt: Document RZ/V2H(P) SoC

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Add support for the Watchdog Timer (WDT) hardware found in the Renesas
RZ/V2H(P) SoC to the `renesas,wdt` device tree bindings. The RZ/V2H(P)
SoC features a WDT that is compatible with existing Renesas watchdog
drivers.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
v1->v2
- Included RB tag
---
 .../bindings/watchdog/renesas,wdt.yaml          | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
index ffb17add491a..21ddde8f70b7 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
@@ -74,6 +74,8 @@ properties:
               - renesas,r8a779h0-wdt     # R-Car V4M
           - const: renesas,rcar-gen4-wdt # R-Car Gen4
 
+      - const: renesas,r9a09g057-wdt       # RZ/V2H(P)
+
   reg:
     maxItems: 1
 
@@ -112,7 +114,6 @@ properties:
 required:
   - compatible
   - reg
-  - interrupts
   - clocks
 
 allOf:
@@ -136,6 +137,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - renesas,r9a09g057-wdt
               - renesas,rzg2l-wdt
               - renesas,rzv2m-wdt
     then:
@@ -170,6 +172,19 @@ allOf:
         interrupts:
           maxItems: 1
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g057-wdt
+    then:
+      properties:
+        interrupts: false
+        interrupt-names: false
+    else:
+      required:
+        - interrupts
+
 additionalProperties: false
 
 examples:
-- 
2.34.1