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- * Samsung's Watchdog Timer Controller
- The Samsung's Watchdog controller is used for resuming system operation
- after a preset amount of time during which the WDT reset event has not
- occurred.
- Required properties:
- - compatible : should be one among the following
- - "samsung,s3c2410-wdt" for S3C2410
- - "samsung,s3c6410-wdt" for S3C6410, S5PV210 and Exynos4
- - "samsung,exynos5250-wdt" for Exynos5250
- - "samsung,exynos5420-wdt" for Exynos5420
- - "samsung,exynos7-wdt" for Exynos7
- - reg : base physical address of the controller and length of memory mapped
- region.
- - interrupts : interrupt number to the cpu.
- - samsung,syscon-phandle : reference to syscon node (This property required only
- in case of compatible being "samsung,exynos5250-wdt" or "samsung,exynos5420-wdt".
- In case of Exynos5250 and 5420 this property points to syscon node holding the PMU
- base address)
- Optional properties:
- - timeout-sec : contains the watchdog timeout in seconds.
- Example:
- watchdog@101d0000 {
- compatible = "samsung,exynos5250-wdt";
- reg = <0x101D0000 0x100>;
- interrupts = <0 42 0>;
- clocks = <&clock 336>;
- clock-names = "watchdog";
- samsung,syscon-phandle = <&pmu_syscon>;
- };
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