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Documentation: watchdog: at91sam9_wdt: add clocks property 

The watchdog has an input clock, the slow clock. It is required as it will
not function without it.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Alexandre Belloni 2015-07-30 00:43:07 +02:00
parent 04600560a0
commit d79e327aa5
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
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@ -6,6 +6,7 @@ Required properties:
- compatible: must be "atmel,at91sam9260-wdt". - compatible: must be "atmel,at91sam9260-wdt".
- reg: physical base address of the controller and length of memory mapped - reg: physical base address of the controller and length of memory mapped
region. region.
- clocks: phandle to input clock.
Optional properties: Optional properties:
- timeout-sec: contains the watchdog timeout in seconds. - timeout-sec: contains the watchdog timeout in seconds.
@ -39,6 +40,7 @@ Example:
compatible = "atmel,at91sam9260-wdt"; compatible = "atmel,at91sam9260-wdt";
reg = <0xfffffd40 0x10>; reg = <0xfffffd40 0x10>;
interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&clk32k>;
timeout-sec = <15>; timeout-sec = <15>;
atmel,watchdog-type = "hardware"; atmel,watchdog-type = "hardware";
atmel,reset-type = "all"; atmel,reset-type = "all";