linux-kernel - [PATCH v2 1/2] dt-bindings: watchdog: max63xx: Add GPIO binding

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Message-Id: <20220429131349.21229-1-pali@kernel.org>
Date:   Fri, 29 Apr 2022 15:13:48 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: watchdog: max63xx: Add GPIO binding

GPIO is optional and used for WDI logic.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
index ab9641e845db..a97aa0135ef9 100644
--- a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
+++ b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml
@@ -27,6 +27,10 @@ properties:
     description: This is a 1-byte memory-mapped address
     maxItems: 1
 
+  gpios:
+    description: Optional GPIO used for controlling WDI when WDI bit is not mapped to memory
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.20.1