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GPIO watchdog timer
Describes a simple watchdog timer which is reset by toggling a gpio.
Required properties:
- compatible: Must be "linux,wdt-gpio".
- gpios: gpio to toggle when wdt driver reset method is called.
- always-running: Boolean property indicating that the watchdog cannot
be disabled. At present, U-Boot only supports this kind of GPIO
watchdog.
Example:
gpio-wdt {
gpios = <&gpio0 1 0>;
compatible = "linux,wdt-gpio";
always-running;
};
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