From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Estevam Subject: Re: [PATCH] ARM: dts: imx5: Add dts files for USB armory. Date: Wed, 29 Apr 2015 23:22:11 -0300 Message-ID: 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=UTF-8 Return-path: In-Reply-To: <20150428081959.GA32234@shlinux2> Sender: linux-kernel-owner@vger.kernel.org To: Peter Chen 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 List-Id: devicetree@vger.kernel.org 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? Regards, Fabio Estevam