linux-kernel - Re: [PATCH 0/3] omap3/omap4: add device tree support for wdt

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Date:	Tue, 29 May 2012 12:47:14 -0500
From:	Jon Hunter <jon-hunter@...com>
To:	<jgq516@...il.com>
CC:	<linux@....linux.org.uk>, <b-cousson@...com>,
	<rob.herring@...xeda.com>, <grant.likely@...retlab.ca>,
	<rnayak@...com>, <tony@...mide.com>, <wim@...ana.be>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-watchdog@...r.kernel.org>
Subject: Re: [PATCH 0/3] omap3/omap4: add device tree support for wdt

Hi Xiao Jiang,

On 05/25/2012 05:42 AM, jgq516@...il.com wrote:
> From: Xiao Jiang <jgq516@...il.com>
> 
> This series can be applied to dt branch of linux-omap tree.

Thanks for sending this!

> Since omap24xx series has different wdt base addr (omap2420: 0x48022000 and
> omap2430: 0x49016000) per commit 2817142f31bfbf26c216bf4f9192540c81b2d071, so
> I don't add wdt node in omap2.dtsi just like omap3 and omap4, maybe different
> dts files are needed for omap2420 and omap2430.

Good point. I am wondering if we can simple drop the address from the
wdt2 node for omap2. It is not really being used. May be Benoit can comment.

Cheers
Jon

> Tested with omap4430 blaze board.
> 
> Xiao Jiang (3):
>   arm/dts: add wdt node for omap3 and omap4
>   OMAP: wdt: add device tree support
>   watchdog: omap_wdt: add device tree support
> 
>  arch/arm/boot/dts/omap3.dtsi  |    5 +++++
>  arch/arm/boot/dts/omap4.dtsi  |    5 +++++
>  arch/arm/mach-omap2/devices.c |    2 +-
>  drivers/watchdog/omap_wdt.c   |    8 ++++++++
>  4 files changed, 19 insertions(+), 1 deletions(-)
> 
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