linux-kernel - Re: [PATCH v2 2/4] watchdog: at91sam9

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Date:	Mon, 26 Aug 2013 15:18:15 +0200
From:	boris brezillon <b.brezillon@...rkiz.com>
To:	Boris BREZILLON <b.brezillon@...rkiz.com>
CC:	Wim Van Sebroeck <wim@...ana.be>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Yang Wenyou <Wenyou.Yang@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Fabio Porcedda <fabio.porcedda@...il.com>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 2/4] watchdog: at91sam9_wdt: update device tree doc

Hello,

I missed Grant's ack on this patch:

Acked-by: Grant Likely<grant.likely@...aro.org>

Best Regards,

Boris
On 21/06/2013 09:23, Boris BREZILLON wrote:
> Add new at91sam9 watchdog properties to the documentation.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@...rkiz.com>
> ---
>   .../devicetree/bindings/watchdog/atmel-wdt.txt     |   30 ++++++++++++++++++--
>   1 file changed, 28 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> index fcdd48f..e043106 100644
> --- a/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
> @@ -9,11 +9,37 @@ Required properties:
>   
>   Optional properties:
>   - timeout-sec: contains the watchdog timeout in seconds.
> +- interrupts : Should contain WDT interrupt.
> +- atmel,max-heartbeat-sec : Should contain the maximum heartbeat value in
> +	seconds. This value should be less than 16. It is used to compute the
> +	WDV field.
> +- atmel,min-heartbeat-sec : Should contain the minimum heartbeat value in
> +	seconds. This value should be less than 4 times the max-heartbeat-sec
> +	value. It is used to compute the WDD field.
> +- atmel,watchdog-type : Should be "hardware" or "software". Hardware watchdog
> +	use the at91 watchdog reset. Software watchdog use the watchdog
> +	interrupt to trigger a software reset.
> +- atmel,reset-type : Should be "proc" or "all".
> +	"all" : assert peripherals and processor reset signals
> +	"proc" : assert the processor reset signal
> +	This is valid only when using "hardware" watchdog.
> +- 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.
> +- atmel,dbg-halt : Should be present if you want to stop the watchdog when
> +	entering debug state.
>   
>   Example:
> -
>   	watchdog@...ffd40 {
>   		compatible = "atmel,at91sam9260-wdt";
>   		reg = <0xfffffd40 0x10>;
> -		timeout-sec = <10>;
> +		interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> +		timeout-sec = <15>;
> +		atmel,watchdog-type = "hardware";
> +		atmel,reset-type = "all";
> +		atmel,dbg-halt;
> +		atmel,idle-halt;
> +		atmel,max-heartbeat-sec = <16>;
> +		atmel,min-heartbeat-sec = <0>;
> +		status = "okay";
>   	};

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