From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH 2/4] spi: st: Provide Device Tree binding documentation Date: Thu, 27 Nov 2014 14:55:42 +0000 Message-ID: <20141127145542.GH4628@x1> References: <1417088636-11994-1-git-send-email-lee.jones@linaro.org> <1417088636-11994-3-git-send-email-lee.jones@linaro.org> <20141127130053.GW7712@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-F5mvAk5X5gdBDgjK7y7TUQ@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown Return-path: Content-Disposition: inline In-Reply-To: <20141127130053.GW7712-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On Thu, 27 Nov 2014, Mark Brown wrote: > On Thu, Nov 27, 2014 at 11:43:54AM +0000, Lee Jones wrote: >=20 > > +Required properties: > > +- compatible : "st,comms-ssc-spi" or "st,comms-ssc4-spi" >=20 > What do the two different compatible strings mean (for example, shoul= d > ssc4 be used for version 4 and higher or is it just a quirk for that > version)? This appears to be historical. There aren't any functional differences i.e. we don't match on them. I believe the former is a more informal, generic name and the latter is the official name of the IP block. The I2C component already upstreamed has the same naming conventions by the looks of it. --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Thu, 27 Nov 2014 14:55:42 +0000 Subject: [PATCH 2/4] spi: st: Provide Device Tree binding documentation In-Reply-To: <20141127130053.GW7712@sirena.org.uk> References: <1417088636-11994-1-git-send-email-lee.jones@linaro.org> <1417088636-11994-3-git-send-email-lee.jones@linaro.org> <20141127130053.GW7712@sirena.org.uk> Message-ID: <20141127145542.GH4628@x1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 27 Nov 2014, Mark Brown wrote: > On Thu, Nov 27, 2014 at 11:43:54AM +0000, Lee Jones wrote: > > > +Required properties: > > +- compatible : "st,comms-ssc-spi" or "st,comms-ssc4-spi" > > What do the two different compatible strings mean (for example, should > ssc4 be used for version 4 and higher or is it just a quirk for that > version)? This appears to be historical. There aren't any functional differences i.e. we don't match on them. I believe the former is a more informal, generic name and the latter is the official name of the IP block. The I2C component already upstreamed has the same naming conventions by the looks of it. -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751195AbaK0Ozu (ORCPT ); Thu, 27 Nov 2014 09:55:50 -0500 Received: from mail-ig0-f182.google.com ([209.85.213.182]:49868 "EHLO mail-ig0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750784AbaK0Ozs (ORCPT ); Thu, 27 Nov 2014 09:55:48 -0500 Date: Thu, 27 Nov 2014 14:55:42 +0000 From: Lee Jones To: Mark Brown Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@stlinux.com, linux-spi@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH 2/4] spi: st: Provide Device Tree binding documentation Message-ID: <20141127145542.GH4628@x1> References: <1417088636-11994-1-git-send-email-lee.jones@linaro.org> <1417088636-11994-3-git-send-email-lee.jones@linaro.org> <20141127130053.GW7712@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20141127130053.GW7712@sirena.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 27 Nov 2014, Mark Brown wrote: > On Thu, Nov 27, 2014 at 11:43:54AM +0000, Lee Jones wrote: > > > +Required properties: > > +- compatible : "st,comms-ssc-spi" or "st,comms-ssc4-spi" > > What do the two different compatible strings mean (for example, should > ssc4 be used for version 4 and higher or is it just a quirk for that > version)? This appears to be historical. There aren't any functional differences i.e. we don't match on them. I believe the former is a more informal, generic name and the latter is the official name of the IP block. The I2C component already upstreamed has the same naming conventions by the looks of it. -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog