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 Return-path: Content-Disposition: inline In-Reply-To: <20141127130053.GW7712-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown 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 List-Id: devicetree@vger.kernel.org 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