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[209.132.180.67]) by mx.google.com with ESMTP id f30si5772573pgl.340.2019.03.07.22.14.47; Thu, 07 Mar 2019 22:15:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726399AbfCHGOM (ORCPT + 99 others); Fri, 8 Mar 2019 01:14:12 -0500 Received: from Mailgw01.mediatek.com ([1.203.163.78]:46803 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726175AbfCHGOM (ORCPT ); Fri, 8 Mar 2019 01:14:12 -0500 X-UUID: 167dc05047ab43a99430f7e7238abdcb-20190308 X-UUID: 167dc05047ab43a99430f7e7238abdcb-20190308 Received: from mtkcas36.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1167906245; Fri, 08 Mar 2019 14:14:02 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 8 Mar 2019 14:13:55 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 8 Mar 2019 14:13:48 +0800 From: Chunfeng Yun To: Rob Herring , Greg Kroah-Hartman , Heikki Krogerus CC: Mark Rutland , Chunfeng Yun , Matthias Brugger , Adam Thomson , Li Jun , Badhri Jagan Sridharan , Hans de Goede , Andy Shevchenko , Min Guo , , , , , Subject: [PATCH 0/5] add USB Type-B connector driver Date: Fri, 8 Mar 2019 14:13:37 +0800 Message-ID: <1552025622-15582-1-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Because the USB Connector is introduced and the requirement of usb-connector.txt binding, the old way using extcon to support USB Dual-Role switch is now deprecated, meanwhile there is no available common driver when use Type-B connector. This patch series introduce a Type-B connector driver and try to replace the function provided by extcon-usb-gpio driver. The main purpose of the patches is also to solve the Type-B connector problem encountered in [1]. [1]: https://patchwork.kernel.org/patch/10819377/ Chunfeng Yun (5): dt-bindings: connector: add optional properties for Type-B dt-bindings: usb: mtu3: add properties about USB Role Switch usb: roles: add API to get usb_role_switch by node usb: roles: add USB Type-B connector driver usb: mtu3: register a USB Role Switch for Dual-Role mode .../bindings/connector/usb-connector.txt | 10 + .../devicetree/bindings/usb/mediatek,mtu3.txt | 10 +- drivers/usb/mtu3/mtu3.h | 5 + drivers/usb/mtu3/mtu3_dr.c | 50 ++- drivers/usb/mtu3/mtu3_plat.c | 3 +- drivers/usb/roles/Kconfig | 14 + drivers/usb/roles/Makefile | 1 + drivers/usb/roles/class.c | 30 ++ drivers/usb/roles/usb-b-connector.c | 285 ++++++++++++++++++ include/linux/usb/role.h | 1 + 10 files changed, 403 insertions(+), 6 deletions(-) create mode 100644 drivers/usb/roles/usb-b-connector.c -- 2.20.1