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[1/2] dt-bindings: watchdog: gpio: add minimum interval

Message ID 20220629110626.2158127-1-isaac.true@canonical.com
State New
Headers show
Series [1/2] dt-bindings: watchdog: gpio: add minimum interval | expand

Commit Message

Isaac True June 29, 2022, 11:06 a.m. UTC
Add the "min_hw_margin_ms" parameter to gpio_wdt devices, allowing a
minimum interval to be specified, stopping watchdog devices from being
fed too quickly if they require a certain interval between feeds.

Signed-off-by: Isaac True <isaac.true@canonical.com>
 Documentation/devicetree/bindings/watchdog/gpio-wdt.txt | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series


diff --git a/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt b/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
index 198794963786..4f13dbbf12fd 100644
--- a/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/gpio-wdt.txt
@@ -12,6 +12,8 @@  Required Properties:
     the opposite level disables the WDT. Active level is determined
     by the GPIO flags.
 - hw_margin_ms: Maximum time to reset watchdog circuit (milliseconds).
+- min_hw_margin_ms: Minimum time to reset watchdog circuit (milliseconds).
+  Defaults to 0 ms.
 Optional Properties:
 - always-running: If the watchdog timer cannot be disabled, add this flag to