linux-kernel - Re: [RFC, PATCH] watchdog on gpio

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Message-ID: <20080110171422.GA27399@fluff.org.uk>
Date:	Thu, 10 Jan 2008 17:14:22 +0000
From:	Ben Dooks <ben@...ff.org>
To:	Marc Pignat <marc.pignat@...s.ch>
Cc:	wim@...ana.be, linux-kernel@...r.kernel.org
Subject: Re: [RFC, PATCH] watchdog on gpio

On Thu, Jan 10, 2008 at 04:11:08PM +0100, Marc Pignat wrote:
> watchdog driver for embedded systems with a supervisor watchdog (MAX823 or so)
> connected to a gpio. This is the platform_driver and needs platform_data for
> defining the gpio pin and the watchdog timeout.
> 
> Signed-off-by: Marc Pignat <marc.pignat@...s.ch>
> ---
> 
> Hi!
> 
> If you've got a max823, 824 or any cpu supervisor like this connected to your
> cpu by a gpio pin, you can use this watchdog driver.
> 
> Simply add this to your board specific setup file:
> 
> #include <linux/gpio_wdt.h>
> 
> static struct gpio_wdt_pdata my_wdt = {
> 	/* WDI input connected to this gpio */
> 	.pin		= AT91_PIN_PD27,
> 	/* The *min* timeout */
> 	.timeout_ms	= 1140
> };
> 
> static struct platform_device my_watchdog_device =
> {
> 	.name = GPIO_WDT_DRIVER_NAME,
> 	.id   = 0,
> 	.dev  =	{
> 		.platform_data=&my_wdt,

minor style problem here, ".platform_data = &my_wdt"

[snip]

-- 
Ben (ben@...ff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'
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