From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753396Ab1HYMHz (ORCPT ); Thu, 25 Aug 2011 08:07:55 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:46353 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752397Ab1HYMHx (ORCPT ); Thu, 25 Aug 2011 08:07:53 -0400 Date: Thu, 25 Aug 2011 14:07:45 +0200 From: Sascha Hauer To: Linus Walleij Cc: Stephen Warren , Linus Walleij , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Grant Likely , Lee Jones , Joe Perches , Russell King , Linaro Dev , ext Tony Lindgren , David Brown , Sascha Hauer Subject: Re: [PATCH 1/4 v4] drivers: create a pin control subsystem Message-ID: <20110825120745.GV31404@pengutronix.de> References: <1313747630-32258-1-git-send-email-linus.walleij@stericsson.com> <74CDBE0F657A3D45AFBB94109FB122FF04B24A3BC0@HQMAIL01.nvidia.com> <20110825110451.GU31404@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 14:07:17 up 64 days, 17:54, 63 users, load average: 2.04, 1.84, 1.96 User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 25, 2011 at 01:58:12PM +0200, Linus Walleij wrote: > On Thu, Aug 25, 2011 at 1:04 PM, Sascha Hauer wrote: > > > Not really. UART2_CTS can't be routed to arbitrary pads, but it can be > > routed to more than one pad: > > > > #define _MX51_PAD_EIM_D16__UART2_CTS            IOMUX_PAD(0x3f0, 0x5c, 3, 0x0000, 0, 0) > > #define _MX51_PAD_EIM_D25__UART2_CTS            IOMUX_PAD(0x414, 0x80, 4, 0x0000, 0, 0) > > #define _MX51_PAD_USBH1_DATA0__UART2_CTS        IOMUX_PAD(0x688, 0x288, 1, 0x0000, 0, 0) > > Aha! > > Is it typically a few pads like this, say 2,3,4 alternatives, > sometimes just one? > > So the actual relation is not 1..1 nor 1...* but 1..? Yes. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |