diff options
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog/samsung-wdt.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/samsung-wdt.txt | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt index 2aa486cc1ff6..cfff37511aac 100644 --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt @@ -5,10 +5,29 @@ after a preset amount of time during which the WDT reset event has not occurred. Required properties: -- compatible : should be "samsung,s3c2410-wdt" +- compatible : should be one among the following + (a) "samsung,s3c2410-wdt" for Exynos4 and previous SoCs + (b) "samsung,exynos5250-wdt" for Exynos5250 + (c) "samsung,exynos5420-wdt" for Exynos5420 + - 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>; +}; |