Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750979AbbD3Iyl (ORCPT ); Thu, 30 Apr 2015 04:54:41 -0400 Received: from mail-bn1on0113.outbound.protection.outlook.com ([157.56.110.113]:61952 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750778AbbD3Iye (ORCPT ); Thu, 30 Apr 2015 04:54:34 -0400 Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=freescale.com; vger.kernel.org; dkim=none (message not signed) header.d=none; Date: Thu, 30 Apr 2015 16:51:12 +0800 From: Peter Chen To: Fabio Estevam CC: Shawn Guo , Vagrant Cascadian , "devicetree@vger.kernel.org" , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , "Kumar Gala" , Russell King , "Sascha Hauer" , "linux-arm-kernel@lists.infradead.org" , linux-kernel Subject: Re: [PATCH] ARM: dts: imx5: Add dts files for USB armory. Message-ID: <20150430085111.GB12957@shlinux2> References: <87h9t6i40r.fsf@aikidev.net> <20150427115747.GA11975@dragon> <20150427133708.GC11598@core.inversepath.com> <20150428081959.GA32234@shlinux2> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(339900001)(189002)(377454003)(51704005)(24454002)(199003)(92566002)(83506001)(1411001)(50986999)(19580405001)(87936001)(110136002)(33716001)(2950100001)(106466001)(19580395003)(6806004)(77096005)(104016003)(54356999)(62966003)(77156002)(93886004)(50466002)(4001350100001)(85426001)(33656002)(105606002)(76176999)(46406003)(15975445007)(46102003)(47776003)(86362001)(5001960100002)(97756001);DIR:OUT;SFP:1102;SCL:1;SRVR:CY1PR0301MB1194;H:az84smr01.freescale.net;FPR:;SPF:Fail;MLV:sfv;MX:1;A:1;LANG:en; X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CY1PR0301MB1194; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(5005006)(3002001);SRVR:CY1PR0301MB1194;BCL:0;PCL:0;RULEID:;SRVR:CY1PR0301MB1194; X-Forefront-PRVS: 056297E276 X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Apr 2015 08:54:29.7048 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d;Ip=[192.88.158.2];Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0301MB1194 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 28 On Wed, Apr 29, 2015 at 11:22:11PM -0300, Fabio Estevam wrote: > Hi Peter, > > On Tue, Apr 28, 2015 at 5:20 AM, Peter Chen wrote: > > > Current chipidea usb driver supports role switch function well, if you > > have a gpio or id pin for it. > > On mx6 we are able to perform OTG role-switch funtion as they have the > OTG_ID pins. > > We are talking about mx53 here, which does not have such OTG_ID pins, > so not sure how they can perform role-switch in run-time? > Using gpio as extcon, lvan is working on patch for that http://www.spinics.net/lists/linux-usb/msg123903.html -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/