From patchwork Fri Mar 8 06:13:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 10844253 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1B2D214E1 for ; Fri, 8 Mar 2019 06:15:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 02B7A2E3F9 for ; Fri, 8 Mar 2019 06:15:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EA8132E772; Fri, 8 Mar 2019 06:15:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6FB472E3F9 for ; Fri, 8 Mar 2019 06:15:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=exmKpIlTpfYoYLBRFm8roMyVjL2LLK8nRq/e2+YFkWU=; b=AOyza/f8/joqwk Vgeno50XC6H7pQMX+lKkB+7O7Aax1DleXSg+b7/nkn0Fxl0POyg9VtbyGtj783V/RPiOEm8i2b3H8 CLtyDRThB1QQzhAFKaFSz3qUriFXCzaYoa0AacZbhih9uoUuX915YyY9ZyPRs6OquD6jjaWayuCvQ 0Kli+mKuEGS7eb+zyML910rLEQOFyXxszSELcg96lZEythafQMnU1vCJDElPd2sf7UzIuCUAavIGW 1k576xAwrIbX9sZHM7y4UNz6jasG6yX0BH6kJTMHE4TLMRNjcv6UJMOTpe//h1OUkBovTno9xzs6A Aa4aingHrTsZJzUJrSTQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h28mt-00046R-92; Fri, 08 Mar 2019 06:15:19 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h28mh-0003I8-En; Fri, 08 Mar 2019 06:15:08 +0000 X-UUID: 403ed0da58e546c2bf10b8522b5a1433-20190307 X-UUID: 403ed0da58e546c2bf10b8522b5a1433-20190307 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 634400115; Thu, 07 Mar 2019 22:14:43 -0800 Received: from MTKMBS31N2.mediatek.inc (172.27.4.87) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 7 Mar 2019 22:14:25 -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 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 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190307_221507_498487_B1912E96 X-CRM114-Status: GOOD ( 11.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Hans de Goede , Badhri Jagan Sridharan , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Matthias Brugger , Andy Shevchenko , linux-mediatek@lists.infradead.org, Min Guo , Chunfeng Yun , Adam Thomson , linux-arm-kernel@lists.infradead.org, Li Jun Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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