[PATCH v2 1/2] watchdog: at91sam9_wdt: add device tree support

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Sep 20 15:28:34 EST 2012


On 13:57 Wed 19 Sep     , Fabio Porcedda wrote:
> Tested on an at91sam9260 board (evk-pro3)
> 
> Signed-off-by: Fabio Porcedda <fabio.porcedda at gmail.com>
> ---
>  Documentation/devicetree/bindings/watchdog/atmel-wdt.txt | 15 +++++++++++++++
>  drivers/watchdog/at91sam9_wdt.c                          | 11 +++++++++++
>  2 files changed, 26 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> new file mode 100644
> index 0000000..fca76fd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> @@ -0,0 +1,15 @@
> +* Atmel Watchdog Timers
> +
> +** at91sam9-wdt
> +
> +Required properties:
> +- compatible: must be "atmel,at91sam9-wdt"
atmel,at91sam9260-watchdog
> +- reg: physical base address of the controller and length of memory mapped
> +  region.
> +
> +Example:
> +
> +	watchdog at fffffd40 {
> +		compatible = "atmel,at91sam9-wdt";
> +		reg = <0xfffffd40 0x10>;
> +	};

you need to be able to specify the timeout too via DT

Best Regards,
J.


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