From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.dynamicdevices.co.uk (www.dynamicdevices.co.uk [89.200.136.37]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 51CDEE00869 for ; Thu, 16 Jan 2014 13:04:44 -0800 (PST) Received: from [127.0.0.1] (cpc16-live22-2-0-cust180.know.cable.virginm.net [82.42.220.181]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by www.dynamicdevices.co.uk (Postfix) with ESMTPSA id C29E786096; Thu, 16 Jan 2014 21:04:41 +0000 (UTC) Message-ID: <52D84968.8080803@dynamicdevices.co.uk> Date: Thu, 16 Jan 2014 21:04:40 +0000 From: Alex J Lennon User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: niklas.p.molin@gmail.com References: In-Reply-To: X-Enigmail-Version: 1.6 Cc: meta-freescale@yoctoproject.org Subject: Re: dts and dtb files X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Jan 2014 21:04:45 -0000 X-Groupsio-MsgNum: 6449 Content-Type: multipart/alternative; boundary="------------060303050609080707050604" --------------060303050609080707050604 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi Niklas, On 16/01/2014 00:22, Niklas Molin wrote: > Hi. > > I'm trying to figure out how the dts/dtsi and dtb files works, when > compiling for the sabreSD board. > Where can I find more info about this? > It appears to be a bit of a black art. The ePAPR document helped me a lot (seems to need a login now but I believe it's the one I was referencing when I last looked at this) https://www.power.org/documentation/epapr-version-1-1/ There was a presentation at ELCE 2013 which I also found useful. Device Tree seems to be a bit of a work in progress, http://www.youtube.com/watch?v=m_NyYEBxfn8&list=PLbzoR-pLrL6oxnDyb7IvnNOOBur7z_8tE&index=18 Hope this helps, Cheers, Alex > When I checked in the imx6dlsabresd.conf, it pointed to some dtb (e.g. > imx6dl-sabresd.dtb) files (which seems to be some kind of binary files). > If I want to modify (enable/disable ports etc.) in my project, is it > ht edts and dtsi files I should use then. > Does these file have to be compiled in some way, to be included in the > sabresd project? > > Thanks, > Niklas > > > _______________________________________________ > meta-freescale mailing list > meta-freescale@yoctoproject.org > https://lists.yoctoproject.org/listinfo/meta-freescale -- Dynamic Devices Ltd Alex J Lennon / Director 1 Queensway, Liverpool L22 4RA mobile: +44 (0)7956 668178 Linkedin Skype This e-mail message may contain confidential or legally privileged information and is intended only for the use of the intended recipient(s). Any unauthorized disclosure, dissemination, distribution, copying or the taking of any action in reliance on the information herein is prohibited. E-mails are not secure and cannot be guaranteed to be error free as they can be intercepted, amended, or contain viruses. Anyone who communicates with us by e-mail is deemed to have accepted these risks. Company Name is not responsible for errors or omissions in this message and denies any responsibility for any damage arising from the use of e-mail. Any opinion and other statement contained in this message and any attachment are solely those of the author and do not necessarily represent those of the company. --------------060303050609080707050604 Content-Type: multipart/related; boundary="------------060009080200040802080706" --------------060009080200040802080706 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi Niklas,

On 16/01/2014 00:22, Niklas Molin wrote:
Hi.

I'm trying to figure out how the dts/dtsi and dtb files works, when compiling for the sabreSD board.
Where can I find more info about this?


It appears to be a bit of a black art.

The ePAPR document helped me a lot (seems to need a login now but I believe it's the one I was referencing when I last looked at this)

https://www.power.org/documentation/epapr-version-1-1/

There was a presentation at ELCE 2013 which I also found useful. Device Tree seems to be a bit of a work in progress,

http://www.youtube.com/watch?v=m_NyYEBxfn8&list=PLbzoR-pLrL6oxnDyb7IvnNOOBur7z_8tE&index=18

Hope this helps, Cheers,

Alex

When I checked in the imx6dlsabresd.conf, it pointed to some dtb (e.g. imx6dl-sabresd.dtb) files (which seems to be some kind of binary files).
If I want to modify (enable/disable ports etc.) in my project, is it ht edts and dtsi files I should use then.
Does these file have to be compiled in some way, to be included in the sabresd project?

Thanks,
Niklas


_______________________________________________
meta-freescale mailing list
meta-freescale@yoctoproject.org
https://lists.yoctoproject.org/listinfo/meta-freescale

--

Alex J Lennon / Director
1 Queensway, Liverpool L22 4RA

mobile: +44 (0)7956 668178

This e-mail message may contain confidential or legally privileged information and is intended only for the use of the intended recipient(s). Any unauthorized disclosure, dissemination, distribution, copying or the taking of any action in reliance on the information herein is prohibited. E-mails are not secure and cannot be guaranteed to be error free as they can be intercepted, amended, or contain viruses. Anyone who communicates with us by e-mail is deemed to have accepted these risks. Company Name is not responsible for errors or omissions in this message and denies any responsibility for any damage arising from the use of e-mail. Any opinion and other statement contained in this message and any attachment are solely those of the author and do not necessarily represent those of the company.

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