From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Simek Subject: Re: arasan,sdhci.txt "compatibility" DT binding Date: Wed, 3 Feb 2016 08:20:36 +0100 Message-ID: <56B1AA44.1010108@xilinx.com> References: <56B07BA5.4060407@free.fr> <56B166F1.5080605@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-sn1nam02on0052.outbound.protection.outlook.com ([104.47.36.52]:23587 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933155AbcBCHUw (ORCPT ); Wed, 3 Feb 2016 02:20:52 -0500 In-Reply-To: <56B166F1.5080605@rock-chips.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Shawn Lin , Mason , linux-mmc Cc: Michal Simek , Anton Vorontsov , Xiaobo Xie , Suman Tripathi , Michal Simek , soren.brinkmann@xilinx.com Hi, On 3.2.2016 03:33, Shawn Lin wrote: > + Michal, S=F6ren Brinkmann >=20 > On 2016/2/2 17:49, Mason wrote: >> Hello everyone, >> >> Documentation/devicetree/bindings/mmc/arasan,sdhci.txt states: >> >> Required Properties: >> - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' o= r >> 'arasan,sdhci-4.9a' or 'arasan,sdhci-5.1' >> >> What do 8.9a, 4.9a, and 5.1 refer to? >> >=20 > Good question. >=20 > Michal told me that 8.9a and 4.9a came from Xilinx > databook which define their available arasan controller to be version > 4.9a and 8.9a. Our version is coming from here. http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000= -TRM.pdf page 28 Datasheets from 2012 and 2010 doesn't look too recent and I expect that Arasan did a lot of work from that time that's why I am not surprised that you are not able to see that versions. Thanks, Michal