From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751401AbbDLHxp (ORCPT ); Sun, 12 Apr 2015 03:53:45 -0400 Received: from mail-qk0-f179.google.com ([209.85.220.179]:32772 "EHLO mail-qk0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750834AbbDLHxm (ORCPT ); Sun, 12 Apr 2015 03:53:42 -0400 MIME-Version: 1.0 In-Reply-To: References: <8251B150E4DF5041A62C3EA9F0AB2E0603A53FE1082E@SELDMBX99.corpusers.net> Date: Sun, 12 Apr 2015 09:53:41 +0200 X-Google-Sender-Auth: Nu7ZaZugJdbnljY-hEIEhX4modo Message-ID: Subject: Re: [Celinux-dev] Invitation and RFC: Linux Plumbers Device Tree track proposed From: Geert Uytterhoeven To: Rob Landley Cc: "Rowand, Frank" , "devicetree@vger.kernel.org" , "celinux-dev@lists.celinuxforum.org" , "linux-embedded@vger.kernel.org" , "devicetree-compiler@vger.kernel.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rob, On Sun, Apr 12, 2015 at 2:05 AM, Rob Landley wrote: > Is there a device tree porting HOWTO anywhere? If I have a board > that's using explicit C initialization, and I want to convert it over > to device tree, step by step what do I do? > > If I'm writing a new board support, what device tree bits do I need to > get a shell prompt on a serial port running out of initramfs? > (Physical memory, interrupt controller, timer to drive the scheduler, > serial chip...) > > There's a bunch of device tree reference material out there, but no > tutorial material at all, that I can find... http://www.devicetree.org/Device_Tree_Usage Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds