From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753780AbcHSBqy (ORCPT ); Thu, 18 Aug 2016 21:46:54 -0400 Received: from arroyo.ext.ti.com ([198.47.19.12]:52166 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754727AbcHSBqY (ORCPT ); Thu, 18 Aug 2016 21:46:24 -0400 Date: Thu, 18 Aug 2016 11:08:40 -0500 From: Bin Liu To: ayaka CC: , Felipe Balbi , , Subject: Re: musb: am3358: having problem with high-speed on usb1 at peripheral Message-ID: <20160818160712.GA1853@uda0271908> Mail-Followup-To: Bin Liu , ayaka , linux-usb@vger.kernel.org, Felipe Balbi , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org References: <1470968595-29231-1-git-send-email-ayaka@soulik.info> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1470968595-29231-1-git-send-email-ayaka@soulik.info> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Fri, Aug 12, 2016 at 10:23:15AM +0800, ayaka wrote: > Hello all: > I recently add a support for customize am3358 board using the branch > processor-sdk-linux-03.00.00 from Ti git. But I meet a problem with musb > at the peripheral mode. > I have force usb1 in peripheral mode in dts as it only have USB_DP, > USB_DM and USBDRV connected. I start up a ether gadget using the configfs, Do you mean USB1_DRVVBUS pin? If so, you have wrong hw design. For peripheral mode, you should float this pin, but connect USB1_VBUS pin instead. Regards, -Bin. > But I found it would always work on the USB 2.0 full speed mode, > even the testmode can't force it in high speed mode or it won't appear > at host side. If I want it work at high speed mode, what should I do? > I also meet the DMA problem, I have to apply the "ARM: dts: am33xx: > fix DMA support for the second USB interface", but does patches really > work? Although it make the error message disapear, but the mail list > said the just make the usb back to PIO mode. > > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html