From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH v3 00/13] Krait clocks + Krait CPUfreq Date: Thu, 2 Apr 2015 08:17:40 +0200 Message-ID: <20150402061740.GA23963@amd> References: <1426920332-9340-1-git-send-email-sboyd@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:57878 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750973AbbDBGRn (ORCPT ); Thu, 2 Apr 2015 02:17:43 -0400 Content-Disposition: inline In-Reply-To: <1426920332-9340-1-git-send-email-sboyd@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Stephen Boyd Cc: Mike Turquette , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Viresh Kumar , devicetree@vger.kernel.org Hi! On Fri 2015-03-20 23:45:19, Stephen Boyd wrote: > These patches provide cpufreq scaling on devices with Krait CPUs. > In Krait CPU designs there's one PLL and two muxes per CPU, allowing > us to switch CPU frequencies independently. > > secondary > +-----+ + > | QSB |-------+------------|\ > +-----+ | | |-+ > | +-------|/ | > | | + | > +-----+ | | | > | PLL |----+-------+ | primary > +-----+ | | | + > | | +-----|\ +------+ > +-------+ | | | \ | | > | HFPLL |----------+-----------------| |-----| CPU0 | > +-------+ | | | | | | | > | | | +-----+ | / +------+ > | | +-| / 2 |---------|/ > | | +-----+ + > | | secondary > | | + > | +------------|\ > | | |-+ > +---------------|/ | primary > + | + > +-----|\ +------+ > +-------+ v | \ | | > | HFPLL |----------------------------| |-----| CPU1 | > +-------+ | | | | | > | +-----+ | / +------+ > +-| / 2 |---------|/ > +-----+ + Nice ascii art :-). There should be "+" at place marked by "v" :-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html