From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751500AbaGGFtg (ORCPT ); Mon, 7 Jul 2014 01:49:36 -0400 Received: from mail-bn1lp0140.outbound.protection.outlook.com ([207.46.163.140]:7108 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750736AbaGGFtd (ORCPT ); Mon, 7 Jul 2014 01:49:33 -0400 Date: Mon, 7 Jul 2014 13:49:25 +0800 From: Shawn Guo To: Liu Ying CC: , Subject: Re: [PATCH] bus: imx-weim: populate devices on a simple bus Message-ID: <20140707054923.GL30239@dragon> References: <1404464441-31755-1-git-send-email-Ying.Liu@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1404464441-31755-1-git-send-email-Ying.Liu@freescale.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2;CTRY:US;IPV:CAL;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(6009001)(24454002)(199002)(189002)(51704005)(80022001)(83322001)(97736001)(54356999)(95666004)(4396001)(46102001)(46406003)(81342001)(76482001)(76176999)(81542001)(104016002)(105606002)(85306003)(19580405001)(44976005)(21056001)(99396002)(50986999)(74662001)(57986006)(92726001)(106466001)(87936001)(47776003)(86362001)(83072002)(64706001)(77982001)(97756001)(85852003)(23726002)(102836001)(19580395003)(74502001)(6806004)(50466002)(69596002)(20776003)(68736004)(26826002)(33656002)(83506001)(31966008)(81156004)(84676001)(79102001)(107046002)(33716001)(92566001)(110136001);DIR:OUT;SFP:;SCL:1;SRVR:DM2PR03MB525;H:az84smr01.freescale.net;FPR:;MLV:ovrnspm;PTR:InfoDomainNonexistent;MX:1;LANG:en; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID: X-Forefront-PRVS: 02652BD10A Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=Shawn.Guo@freescale.com; X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 04, 2014 at 05:00:41PM +0800, Liu Ying wrote: > There could be some memory map devices located in > a certain chip select region of the i.MX WEIM. > The devices could be attached to a simple bus(for > example, a AXI bus) whose root node is one child > device tree node of the i.MX WEIM device tree node. > There should be a bridge(very likely, software > transparent) bewteen the i.MX WEIM and the simple bus. > This patch makes the i.MX WEIM driver possible to > populate devices on a simple bus. In this way, people > may try various IPs(in a FPGA, maybe) outside of i.MX > chips with the i.MX WEIM embedded. > > Signed-off-by: Liu Ying Applied, thanks.