linux-kernel - [PATCH 2/2] dt-bindings: watchdog: fsl-imx: document continue in low power mode

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Message-Id: <20251229145000.421426-3-nandor.han@gehealthcare.com>
Date: Mon, 29 Dec 2025 16:50:00 +0200
From: Nandor Han <nandor.han@...ealthcare.com>
To: wim@...ux-watchdog.org,
	linux@...ck-us.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de
Cc: kernel@...gutronix.de,
	festevam@...il.com,
	nandor.han@...ealthcare.com,
	linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] dt-bindings: watchdog: fsl-imx: document continue in low power mode

Property "fsl,wdt-continue-in-low-power" allows the watchdog to continue
running in low power modes (STOP and DOZE). By default, the watchdog is
suspended in these modes. This property provides the option to keep the
watchdog active during low power states when needed.

Signed-off-by: Nandor Han <nandor.han@...ealthcare.com>
---
 Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
index 34951783a633..4dd9cc81c926 100644
--- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml
@@ -64,6 +64,12 @@ properties:
       If present, the watchdog device is suspended in WAIT mode
       (Suspend-to-Idle). Only supported on certain devices.
 
+  fsl,wdt-continue-in-low-power:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: |
+      If present, the watchdog device continues to run in low power modes
+      (STOP and DOZE). By default, the watchdog is suspended in these modes.
+
 required:
   - compatible
   - interrupts
-- 
2.39.5