From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1330738-1519730973-2-16858843162507346134 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 0.249, 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='CN', FromHeader='com', MailFrom='org' X-Spam-charsets: 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=1519730973; b=Jle4sZIaykdESTF7ij1bvTRqzMY0kqo5b8gF9ShGW5HQtg+ 3leYmTDlBB+ALfZugIkG66zn7I6aUTnRYJitCZYuMSTYbSKZfK3/HXTUt5VQlTuj Qpf2SBNVhA3CtVQSXhFy1CbWnWTWTClAVeLvAGsMJsplBy6cX1Z2Tcbl2PS6gV8G /tGLd1aubNfoyQQAnv486U+eKeYFbiUdNNxpkSCmoZgz9Ye54pRbQo1/UdG9JGxB G3Vz2l6gSiqN9WQYH88+QuXwMUusIbrW13M1+kRk1ktnSUyhMnJjaP1Nnv02zBPt EltyFzrZTR80ZBEzmrG37OuFWFtO53xUGtuBs+Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :mime-version:content-type:sender:list-id; s=arctest; t= 1519730973; bh=O+L0eGnvLUpHqCI3Gl0sOmkaH4B0ug+zhQCTibdyUOc=; b=u 57PLDzI6KxMVKNd/zc2z1FDnN5jLqaIiSdWG0ooxCCQx1BUggYrCIZAzrp8darhU nlNoKGLYNb3u15hePPpbeus/9ZmbCYhXReT5BuWyrDWS2XE2twYUzTArbrSwyCez S7sVql3mlICyD3MAJ4fPwVaMZCf5hM+p1Frsw1Rx/7bkkF2sGpY6sa0f0x9gtDGI Jp7T5wnl7NrS8txuwwWloJFZ1m/jCaiqbjkhylm+nGVSAW9fju59zDRMgY8LvxyZ qGBzyIEu/P1J6dJ16LU8wshbnCdoKlzx6D38UAy7G4vjvmuqABJZL3UAFz5HxtIt U24pa23muwxWRYKPl9uJg== ARC-Authentication-Results: i=1; mx1.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=AWjg9Wmr 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: mx1.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=AWjg9Wmr 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 S1752705AbeB0L3S (ORCPT ); Tue, 27 Feb 2018 06:29:18 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:10556 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130AbeB0L3R (ORCPT ); Tue, 27 Feb 2018 06:29:17 -0500 From: Roger Quadros To: CC: , , Roger Quadros Subject: [PATCH v2 0/2] usb: dwc3: Add dual-role support using OTG core Date: Tue, 27 Feb 2018 13:29:10 +0200 Message-ID: <1519730952-2102-1-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain 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, 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. Roger Quadros (2): usb: dwc3: core.h: add some register definitions usb: dwc3: add dual role support using OTG block drivers/usb/dwc3/core.c | 67 ++++++- drivers/usb/dwc3/core.h | 111 +++++++++++ drivers/usb/dwc3/drd.c | 489 ++++++++++++++++++++++++++++++++++++++++++++++-- 3 files changed, 639 insertions(+), 28 deletions(-) -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki