From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH v2 1/2] watchdog: at91sam9_wdt: add device tree support
Date: Thu, 20 Sep 2012 07:28:34 +0200
Message-ID: <20120920052834.GD17667@game.jcrosoft.org>
References: <1348055861-7857-1-git-send-email-fabio.porcedda@gmail.com>
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To: Fabio Porcedda <fabio.porcedda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>, linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
List-Id: devicetree@vger.kernel.org

On 13:57 Wed 19 Sep     , Fabio Porcedda wrote:
> Tested on an at91sam9260 board (evk-pro3)
> 
> Signed-off-by: Fabio Porcedda <fabio.porcedda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
>  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@fffffd40 {
> +		compatible = "atmel,at91sam9-wdt";
> +		reg = <0xfffffd40 0x10>;
> +	};

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

Best Regards,
J.