From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1692720-1516626772-2-2045718669817235108 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 0.25, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES enda, 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: 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=1516626771; b=TxBOpJyDpujVB29dZXb/3I3CcwbDzWeFtc09UBr4V68rHzV HNgq9zlSAdpSWWUWlzqrSi/DoqlQ9MUvoLCeAqLE7U7yL4ZS+NDO2XzKaAdT59AK jZ/SScpTYtsjIy+fgKcHwxpN0Ti6IWdeJpkQ/6FKQ6pm6v289dRwEnEZDCC1SvXc OCLKFRNYx50PkyM1azDs62uMCyuYhnW23Wl4Zj6olZMV0Vmv7BMjgihAVdNzWGY9 xexkr2kUtJ7ggKSP1wxiqv3qNZ0+X1JOAhZcmUiQ9CgSwW/iIIJBK/fNyLXWvl7W uiLF/bfrxYU+dncDJsig8ZcU3UIPvlVAy70KXNQ== 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= 1516626771; bh=nmXpJ6tuM5bcdcPNmftuNXHlLc6FR9P7FblHTyV8Aqc=; b=k 3PznbsjAEMJJaDTzDDzjoeaKMf8lc7o0T9vgVV5z7ZAv3cDklVyWD1g9bOIOQbjL nl3k10rI9sbON/Pg94InjkLei5zKTnPV4MRu9XE9wMhCoqZroOm9S4H+YqqJ65b0 CwES9EkD4dmiOfC7gOddu3qFe+thJuXYEuaUA/2k3tBO8ACa/lmkRfNR4RIP0OBw 4FbgbRFiHAjA6JVGQYVIeVlNE/xYWNuF90UggSNzBY04/lue6l8NtuhzxFgr67ns QaTm1Hbwck/jEdo9GHCNPvHsTudbVIzvM0Isaekk+aqCqkNTA+o8UpKunMSpKcpj x7CY2+UfsDFruQYXjDaJg== ARC-Authentication-Results: i=1; mx6.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=bP/iMncb 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: mx6.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=bP/iMncb 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 S1751106AbeAVNLf (ORCPT ); Mon, 22 Jan 2018 08:11:35 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:24927 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbeAVNLf (ORCPT ); Mon, 22 Jan 2018 08:11:35 -0500 From: Roger Quadros To: CC: , , Roger Quadros Subject: [PATCH 0/4] usb: dwc3: Add dual-role support using OTG core Date: Mon, 22 Jan 2018 15:11:24 +0200 Message-ID: <1516626688-2302-1-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. 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