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-rw-r--r--dts/Bindings/watchdog/gpio-wdt.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/dts/Bindings/watchdog/gpio-wdt.txt b/dts/Bindings/watchdog/gpio-wdt.txt
index 37afec1949..1987949637 100644
--- a/dts/Bindings/watchdog/gpio-wdt.txt
+++ b/dts/Bindings/watchdog/gpio-wdt.txt
@@ -13,6 +13,11 @@ Required Properties:
by the GPIO flags.
- hw_margin_ms: Maximum time to reset watchdog circuit (milliseconds).
+Optional Properties:
+- always-running: If the watchdog timer cannot be disabled, add this flag to
+ have the driver keep toggling the signal without a client. It will only cease
+ to toggle the signal when the device is open and the timeout elapsed.
+
Example:
watchdog: watchdog {
/* ADM706 */