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[v3,1/2] dt-bindings: watchdog: renesas,wdt: Document RZ/V2H(P) SoC

Message ID 20240805200400.54267-2-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series Add Watchdog Timer driver for Renesas RZ/V2H(P) SoC | expand

Commit Message

Lad, Prabhakar Aug. 5, 2024, 8:03 p.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.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@bp.renesas.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
v2->v3
- No change

v1->v2
- Included RB tag
---
 .../bindings/watchdog/renesas,wdt.yaml          | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
index eba454d1680f..29ada89fdcdc 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
@@ -75,6 +75,8 @@  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
 
@@ -113,7 +115,6 @@  properties:
 required:
   - compatible
   - reg
-  - interrupts
   - clocks
 
 allOf:
@@ -137,6 +138,7 @@  allOf:
         compatible:
           contains:
             enum:
+              - renesas,r9a09g057-wdt
               - renesas,rzg2l-wdt
               - renesas,rzv2m-wdt
     then:
@@ -171,6 +173,19 @@  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: