From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-941211-1518680639-2-6387904120107405909 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no ("Email failed DMARC policy for domain") X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='utf-8' X-IgnoreVacation: yes ("Email failed DMARC policy for domain") X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-usb-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518680639; b=Xsx8aI2Lefdi+dszHnTMpaxxIRn8xLWTMyNNWXb0k+nsIhF xsutzNBcHiSsfZ73ZNX4rDEm4clfqBrAO1cHqag1T49F2yQLTDbt94wA4GR36/OH hrYAieDdFbtmUzJ2eSZn10LgJEbaIMR0zFwF/3xrbiGZ1V8eUTI1E5mFHS84mkD7 eU4ggrTrIhSoHvIOJW7WsM0UaWutAg6sFGhp725YYv96FUuqSHO66qRlVw+kQnpd lKwqgNaYBaiXOylpGEJFkPf0kuvhoGvNP2YkdF0TF6bXY6qCG4/0aNsE6Oa20V/v mlslY3VsMUciBPAxkTnvVRVm2GDBIeDLXKXbHpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=subject:to:cc:references:from:message-id :date:mime-version:in-reply-to:content-type :content-transfer-encoding:sender:list-id; s=arctest; t= 1518680639; bh=9m+02/dNeaQEvnSOM8esj2Lx99AsNiZQl2Qd+NCf8xQ=; b=S 218OZl70mgV0HM/z7wpPBKwWbVJXibd9pBC/G7vm7r6sQL9i/3IAkhu+zi6AMczf nxWv6BYY8HgKwixIv+cgm2KLYuQb4BC2YX1IgUj/5IZn+NsNY0K/9Jcm1oO8lHR3 ytl2yeGTuwC+qrMZScRBTLYtRmH02xugVZzNWG2lzmoTGFxOYtAPD6auQL0n0FoH GJdjv2iJ8WwKgtjWTUbvjGi3tT7TzrprPW0aO6CC6pWaSr51K8AlUpnqoRVQvZ07 Zib9EQmt+8lhj9/f3Rx3IzE0HZ7vH+UDAVpRWbWz2xeIp8o16eEH4UdqAv2Q3cFX 6N7b/Ct7IGOyeXtoUBS4A== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 1024-bit rsa key sha256) header.d=ti.com header.i=@ti.com header.b=nu1HQ7mf x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=ti-com-17Q1; dmarc=fail (p=quarantine,has-list-id=yes,d=quarantine) header.from=ti.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=ti.com header.result=pass header_is_org_domain=yes Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 1024-bit rsa key sha256) header.d=ti.com header.i=@ti.com header.b=nu1HQ7mf x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=ti-com-17Q1; dmarc=fail (p=quarantine,has-list-id=yes,d=quarantine) header.from=ti.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=ti.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755025AbeBOHnq (ORCPT ); Thu, 15 Feb 2018 02:43:46 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:64309 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754962AbeBOHno (ORCPT ); Thu, 15 Feb 2018 02:43:44 -0500 Subject: Re: [PATCH 0/4] usb: dwc3: Add dual-role support using OTG core To: CC: , References: <1516626688-2302-1-git-send-email-rogerq@ti.com> From: Roger Quadros Message-ID: <5eec2d8e-5ce5-491c-706b-c8aa0b9fdd6a@ti.com> Date: Thu, 15 Feb 2018 09:43:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <1516626688-2302-1-git-send-email-rogerq@ti.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-GB Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi Felipe, On 22/01/18 15:11, Roger Quadros wrote: > Hi Felipe, > > Some platforms (e.g. TI's AM437x) don't have USB ID pin state available > over GPIO/extcon but need to rely on the DWC3 core's OTG block to > get the ID pin state instead. > > This series implements simple dual-role functionality using DWC3's OTG block. > Debugfs 'mode' override is also functional so user can switch > between "otg", "host" or "device" modes for debug. > > Although system suspend/resume isn't working yet in mainline for AM437x, > I've tested this series for system suspend/resume using a local tree. Any comments on this series? > > This series depends on [1] and [2] > > [1] https://www.mail-archive.com/linux-usb@vger.kernel.org/msg98771.html > > [2] https://www.mail-archive.com/linux-usb@vger.kernel.org/msg98848.html > > Roger Quadros (4): > usb: dwc3: prevent setting PRTCAP to OTG from debugfs > usb: dwc3: core.h: add some register definitions > usb: dwc3: add dual role support using OTG block > ARM: dts: am43xx: Enable dual-role mode for USB1 > > arch/arm/boot/dts/am437x-gp-evm.dts | 2 +- > arch/arm/boot/dts/am437x-sk-evm.dts | 2 +- > arch/arm/boot/dts/am43x-epos-evm.dts | 2 +- > drivers/usb/dwc3/core.c | 70 ++++- > drivers/usb/dwc3/core.h | 111 ++++++++ > drivers/usb/dwc3/drd.c | 492 +++++++++++++++++++++++++++++++++-- > 6 files changed, 650 insertions(+), 29 deletions(-) > -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki