From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Subject: Re: [PATCH 1/2] pinctrl: mvebu: Fix mapping of pin 63 (gpo -> gpio) Date: Fri, 29 May 2015 12:06:29 +0200 Message-ID: <20150529120629.1cb0d8ae@free-electrons.com> References: <1428784160-19431-1-git-send-email-andrew@ncrmnt.org> <1428784160-19431-2-git-send-email-andrew@ncrmnt.org> <20150529111002.7368ca50@free-electrons.com> <1e014a41f99caee6f054713546efdf20@mail.ncrmnt.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from down.free-electrons.com ([37.187.137.238]:58455 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753773AbbE2KGf (ORCPT ); Fri, 29 May 2015 06:06:35 -0400 In-Reply-To: <1e014a41f99caee6f054713546efdf20@mail.ncrmnt.org> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: Andrew Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Linus Walleij , Wolfram Sang , devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Andrew, On Fri, 29 May 2015 12:55:44 +0300, Andrew wrote: > Yep, exactly. I've seen that in the public docs. It must be a typo, > unless there's something we don't know. > > On DNS-327L this pin is wired as a button. Without th patch only > gpio-buttons driver fails probing, but you can still configure the pin > as input via sysfs gpio interface and even read sensible values from it. > If you have a board where this pin is broken out - it's easy to test. Ok, I've made a request for Marvell to check this aspect. If there's a mistake, they should hopefully fix the datasheet at some point. Thanks, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com