linux-sg2042/Documentation/devicetree/bindings/watchdog/meson-wdt.txt

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Meson SoCs Watchdog timer
Required properties:
- compatible : depending on the SoC this should be one of:
"amlogic,meson6-wdt" on Meson6 SoCs
"amlogic,meson8-wdt" and "amlogic,meson6-wdt" on Meson8 SoCs
"amlogic,meson8b-wdt" on Meson8b SoCs
"amlogic,meson8m2-wdt" and "amlogic,meson8b-wdt" on Meson8m2 SoCs
- reg : Specifies base physical address and size of the registers.
Optional properties:
- timeout-sec: contains the watchdog timeout in seconds.
Example:
wdt: watchdog@c1109900 {
compatible = "amlogic,meson6-wdt";
reg = <0xc1109900 0x8>;
timeout-sec = <10>;
};