From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.genesi-usa.com (mithrandir.softwarenexus.net [66.98.186.96]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 9248EDDEEC for ; Sat, 19 May 2007 01:37:22 +1000 (EST) Message-ID: <464DC844.4040101@genesi-usa.com> Date: Fri, 18 May 2007 16:37:40 +0100 From: Matt Sealey MIME-Version: 1.0 To: Thomas Gleixner Subject: Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver References: <200705172142.26739.sshtylyov@ru.mvista.com> <8E44DB06-767D-4864-8D2C-6132E4D4370B@kernel.crashing.org> <464C99FF.8080404@ru.mvista.com> <135307ED-7125-4859-8594-4B5B900D92D6@kernel.crashing.org> <464C9E67.2020909@ru.mvista.com> <6E0D5E13-C939-4FCE-81A3-F29DFA6436A2@kernel.crashing.org> <464CA222.8000407@ru.mvista.com> <464D9E7E.3090605@genesi-usa.com> <464DADFC.3080802@ru.mvista.com> <464DB800.40702@genesi-usa.com> <1179499713.12981.75.camel@chaos> In-Reply-To: <1179499713.12981.75.camel@chaos> Content-Type: text/plain; charset=UTF-8 Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, mingo@elte.hu List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I already have that stuff, but it only implements the decrementer (in fact it's the patch submitted at the beginning of this thread). I got it because I was far more interested in the GPIO handling.. -- Matt Sealey Genesi, Manager, Developer Relations Thomas Gleixner wrote: > On Fri, 2007-05-18 at 15:28 +0100, Matt Sealey wrote: >>>> I guess the real question is, how high resolution does a high resolution >>>> timer need to be, >>> In the order of microseconds. >> I think both the MPC52xx GPT0-7 and the SLT0-1 fulfil this fairly >> easily. > > There is some basic work for MPC5200 available: > > http://www.pengutronix.de/oselas/bsp/phytec/index_en.html#phyCORE-MPC5200B-tiny > > tglx > >