diff options
Diffstat (limited to 'Bindings/watchdog/atmel-wdt.txt')
| -rw-r--r-- | Bindings/watchdog/atmel-wdt.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Bindings/watchdog/atmel-wdt.txt b/Bindings/watchdog/atmel-wdt.txt index f90e294d7631..86fa6de1019b 100644 --- a/Bindings/watchdog/atmel-wdt.txt +++ b/Bindings/watchdog/atmel-wdt.txt @@ -6,6 +6,7 @@ Required properties: - compatible: must be "atmel,at91sam9260-wdt". - reg: physical base address of the controller and length of memory mapped region. +- clocks: phandle to input clock. Optional properties: - timeout-sec: contains the watchdog timeout in seconds. @@ -26,6 +27,11 @@ Optional properties: - atmel,disable : Should be present if you want to disable the watchdog. - atmel,idle-halt : Should be present if you want to stop the watchdog when entering idle state. + CAUTION: This property should be used with care, it actually makes the + watchdog not counting when the CPU is in idle state, therefore the + watchdog reset time depends on mean CPU usage and will not reset at all + if the CPU stop working while it is in idle state, which is probably + not what you want. - atmel,dbg-halt : Should be present if you want to stop the watchdog when entering debug state. @@ -34,6 +40,7 @@ Example: compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&clk32k>; timeout-sec = <15>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; |