From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laxman Dewangan Subject: Re: [PATCH 3/3] regulator: palmas: add support for LDO8 tracking mode Date: Wed, 17 Apr 2013 21:44:17 +0530 Message-ID: <516ECA59.3050200@nvidia.com> References: <1366191793-13934-1-git-send-email-ldewangan@nvidia.com> <1366191793-13934-3-git-send-email-ldewangan@nvidia.com> <516EA998.3050008@slimlogic.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <516EA998.3050008-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Graeme Gregory Cc: "broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org" , "ian-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-tegra@vger.kernel.org On Wednesday 17 April 2013 07:24 PM, Graeme Gregory wrote: > Looks good to me, I don't actually know the use case for this feature! > > Acked-by: Graeme Gregory > This is require for Tegra. The always ON section of Tegra (say vdd_ao) need to be same as the core voltage(vdd_core) when system is active/idle. Hence the vdd_ao should be track to vdd_core and for this we need to configure the rail in tracking mode.