From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH] ARM: regulator: tps6586x: add PFM/PWM options on SMs Date: Fri, 15 Apr 2011 10:30:53 +0100 Message-ID: <20110415093052.GC23466@opensource.wolfsonmicro.com> References: <1302818393-19067-1-git-send-email-yelin@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1302818393-19067-1-git-send-email-yelin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Yen.Lin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org Cc: olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org, mike-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org, lrg-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org, swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, xxie-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, Yen Lin List-Id: linux-tegra@vger.kernel.org On Thu, Apr 14, 2011 at 02:59:53PM -0700, Yen.Lin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org wrote: > TPS6586x SM0, SM1 and SM2 port have 2 power switching modes: > - PWM only, or > - PMW-PFM auto mode > Some of TPS6586x have voltage spike in PFM-to-FWM transition which > can lockup the CPU if choose PWM-PFM auto mode. > This patch enables such mode selection on SMs ports from the > board level power configuration file. This is just the regular regulator mode API - forced PWM mode would map onto _FAST.