From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: Writing Device Tree Source (DTS) Date: Mon, 30 Nov 2009 14:57:54 -0600 Message-ID: <20091130205754.GA11487@loki.buserror.net> References: <200911230858.nAN8vsWf006884@arlmailha04.patni.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <200911230858.nAN8vsWf006884-QAxaCDP67tRcIBjhHP3Ktq0bRtRcJeJQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Kumar Amarjit Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, amarjit.kumar.mtech-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: devicetree@vger.kernel.org On Mon, Nov 23, 2009 at 02:27:44PM +0530, Kumar Amarjit wrote: > Hi All, > We are using PowerPc440 core on our Soc that consists of PCIe core, SAS core > and many other things. > We are writing DTS for our board to be used during booting, we have gone > through various dts files available inside the Linux Kernel 2.6.31. > Our board is closets match with Taishan board. > While referring the Taishan.dts, we are unable to get the information > regarding Interrupt-map and interrupt-map-mask property. > Please refer to the snippet....... > It would be great if anybody help me to understand the way they are writing > these properties? > I also gone through the DTS document booting-without-of but that does not > help us, so anybody having any documents on How To Write DTS can help me > out. These properties are documented in ePAPR -- or you can look at the original Open Firmware interrupt mapping recommended practice document plus the PCI binding. -Scott