linux-kernel - [PATCH] mfd, lpc_sch: Intel Quark X1000 WDT enabling

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Message-Id: <1421223621-22385-1-git-send-email-boon.leong.ong@intel.com>
Date:	Wed, 14 Jan 2015 16:20:19 +0800
From:	Ong Boon Leong <boon.leong.ong@...el.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] mfd, lpc_sch: Intel Quark X1000 WDT enabling

Hi,
	This patch simply adds WDT IO resource for Quark within lpc_sch driver.
The MFD driver would register 'ie6xx_wdt' platform device and eventually be bound
to its platform driver under drivers/watchdog/ie6xx_wdt.c

	I have tested this patch on Intel Quark Galileo Gen v2 boad by opening
/dev/watchdog0 and confirmed that the board undergo warm reset when time-out.

	I can read the debugfs for the driver by following command:-
		$ cat /sys/kernel/debug/ie6xx_wdt

	To modify the time-out value, we use kernel param:-
		ie6xx_wdt.timeout=<val in second>

	To activate warm reset & enable reset, we use kernel param:-
		ie6xx_wdt.resetmode=0x18

Thank you very much
Ong Boon Leong
Intel Corp.

Ong Boon Leong (1):
  mfd: lpc_sch: enable WDT for Intel Quark X1000

 drivers/mfd/lpc_sch.c |    1
 1 file changed, 1 insertion(+)

-- 
1.7.9.5

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