From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760023Ab2D0Jud (ORCPT ); Fri, 27 Apr 2012 05:50:33 -0400 Received: from 16.mo4.mail-out.ovh.net ([188.165.55.104]:53478 "EHLO mo4.mail-out.ovh.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759924Ab2D0Juc (ORCPT ); Fri, 27 Apr 2012 05:50:32 -0400 Date: Fri, 27 Apr 2012 11:29:49 +0200 From: Jean-Christophe PLAGNIOL-VILLARD To: Shawn Guo Cc: Dong Aisheng , b20223@freescale.com, linus.walleij@stericsson.com, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, rob.herring@calxeda.com, kernel@pengutronix.de, cjb@laptop.org, s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org X-Ovh-Mailout: 178.32.228.4 (mo4.mail-out.ovh.net) Subject: Re: [PATCH v3 2/4] pinctrl: pinctrl-imx: add imx pinctrl core driver Message-ID: <20120427092949.GT9142@game.jcrosoft.org> References: <1335451227-27709-1-git-send-email-b29396@freescale.com> <1335451227-27709-2-git-send-email-b29396@freescale.com> <20120426144446.GN9142@game.jcrosoft.org> <20120426151536.GO9142@game.jcrosoft.org> <20120427054842.GJ2234@S2101-09.ap.freescale.net> <20120427062816.GQ9142@game.jcrosoft.org> <20120427072503.GP2234@S2101-09.ap.freescale.net> <20120427071104.GS9142@game.jcrosoft.org> <20120427081120.GT2234@S2101-09.ap.freescale.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120427081120.GT2234@S2101-09.ap.freescale.net> X-PGP-Key: http://uboot.jcrosoft.org/plagnioj.asc X-PGP-key-fingerprint: 6309 2BBA 16C8 3A07 1772 CC24 DEFC FFA3 279C CE7C User-Agent: Mutt/1.5.20 (2009-06-14) X-Ovh-Tracer-Id: 7768709358596434902 X-Ovh-Remote: 213.251.161.87 (ns32433.ovh.net) X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-OVH-SPAMSTATE: OK X-OVH-SPAMSCORE: -100 X-OVH-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeeggedrtdekucetufdoteggodetrfdofgetucfrrhhofhhilhgvmecuqfggjfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecuhfhrohhmpeflvggrnhdqvehhrhhishhtohhphhgvucfrnfetiffpkffqnfdqggfknffnteftffcuoehplhgrghhnihhojhesjhgtrhhoshhofhhtrdgtohhmqeenucfjughrpeffhffvuffkfhggtggujggfsehttdfttddtredv X-Spam-Check: DONE|U 0.500098/N X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeeggedrtdekucetufdoteggodetrfdofgetucfrrhhofhhilhgvmecuqfggjfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecuhfhrohhmpeflvggrnhdqvehhrhhishhtohhphhgvucfrnfetiffpkffqnfdqggfknffnteftffcuoehplhgrghhnihhojhesjhgtrhhoshhofhhtrdgtohhmqeenucfjughrpeffhffvuffkfhggtggujggfsehttdfttddtredv Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 16:11 Fri 27 Apr , Shawn Guo wrote: > On Fri, Apr 27, 2012 at 09:11:04AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > > except duplicate bindings instead having common one make no sense either > > > > so imx, at91 and ST (STB SoC and other does have the same type of pin IP > > > > to not come with a common bindig means we are doint the same crap as before > > > > with switch to DT > > > It can be every different in hardware details from one pin based > controller to another. mxs pinctrl is another pin based IP, and Dong > tried to approach a binding working good for both imx and mxs, but in > the end we agree imx binding does not work so good for mxs, and vice > versa. And that's why pinctrl core binding design leaves out the > platform specific binding. agreed on the pin level configuration but not for the group management there all the same of simple group of pins for this we must have a common way to describe it and handle it in c Best Regards, J.