From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.webfaction.com (mail6.webfaction.com [74.55.86.74]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 51BECE0086B for ; Thu, 16 Jan 2014 14:05:32 -0800 (PST) Received: from [192.168.1.11] (c-69-141-126-228.hsd1.pa.comcast.net [69.141.126.228]) by smtp.webfaction.com (Postfix) with ESMTP id 5DD2D2253B78; Thu, 16 Jan 2014 22:05:30 +0000 (UTC) Message-ID: <52D857A9.6060703@mindchasers.com> Date: Thu, 16 Jan 2014 17:05:29 -0500 From: Bob Cochran User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Alex J Lennon , niklas.p.molin@gmail.com References: <52D84968.8080803@dynamicdevices.co.uk> In-Reply-To: <52D84968.8080803@dynamicdevices.co.uk> 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 22:05:35 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 01/16/2014 04:04 PM, Alex J Lennon wrote: > 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. When creating a new dts file, keep in mind that you may want to leave out certain board-level components that you won't be using (at first). For example, I have boards that have non utilized FLASH, so I left out the descriptions until I had time to get them right. Otherwise, the kernel wouldn't boot properly. Good luck. > > 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. > > > > _______________________________________________ > meta-freescale mailing list > meta-freescale@yoctoproject.org > https://lists.yoctoproject.org/listinfo/meta-freescale >