From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F37BC10F00 for ; Fri, 15 Mar 2019 07:40:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0284221871 for ; Fri, 15 Mar 2019 07:40:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cBDS8ED8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0284221871 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=MPH8NaJSfOWLstXhGn91MQQBy0D1OjswhUw0ZUVLGUA=; b=cBDS8ED8qoUD9F oAsK7sBHxMt8A+AcMJJRuj+YSN8NXVRgUHJDC62tgeexwSN7WNlJSysJnbwB+QoHBngmgsfdtLjmy 9yp0ReT23FrBkhJ7avRiZzz72/zcUPagI7ks/2dBYJ3T+cBhMAap5Ixyzw6+Zz4NglWeBWJFwkqmo n+xSG7ZdO7rZG51AFWpKIFhSdWTRm8FY00AP+YrZGvzLqsBszEGjA8kYQbwb5PftKQLVTtj4i9WxG dF+LXKTeiyLTI+ChN1zN+rYWkthVx7gohldyYi/l4+HlX/jSchQuR1bMBAYr3uNJ8FdpPpriTBc55 /K2uEvRd81UE9VBJfrlw==; 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 1h4hRz-00047N-3d; Fri, 15 Mar 2019 07:40:19 +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 1h4hRv-00046d-0r; Fri, 15 Mar 2019 07:40:16 +0000 X-UUID: 717203d0140a4d039683462163daa1fc-20190314 X-UUID: 717203d0140a4d039683462163daa1fc-20190314 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1659243761; Thu, 14 Mar 2019 23:40:10 -0800 Received: from MTKMBS31DR.mediatek.inc (172.27.6.102) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 15 Mar 2019 00:40:08 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by MTKMBS31DR.mediatek.inc (172.27.6.102) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 15 Mar 2019 15:40:06 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 15 Mar 2019 15:40:05 +0800 From: Chunfeng Yun To: Rob Herring , Greg Kroah-Hartman , Heikki Krogerus Subject: [PATCH v2 0/6] add USB Type-B GPIO based role switch driver Date: Fri, 15 Mar 2019 15:38:27 +0800 Message-ID: <1552635513-2378-1-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-20190315_004015_072870_C7AE8001 X-CRM114-Status: GOOD ( 11.78 ) 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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/ v2 changes: 1. make binding clear, and add a extra compatible suggested by Hans Chunfeng Yun (6): dt-bindings: connector: add optional properties for Type-B dt-bindings: usb: add binding for Type-B dual role switch by GPIO dt-bindings: usb: mtu3: add properties about USB Role Switch usb: roles: add API to get usb_role_switch by node usb: roles: add driver of USB Type-B role switch by GPIO usb: mtu3: register a USB Role Switch for dual role mode .../bindings/connector/usb-connector.txt | 9 + .../devicetree/bindings/usb/mediatek,mtu3.txt | 10 +- .../bindings/usb/typeb-switch-gpio.txt | 26 ++ 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/typeb-switch-gpio.c | 285 ++++++++++++++++++ include/linux/usb/role.h | 1 + 11 files changed, 428 insertions(+), 6 deletions(-) create mode 100644 Documentation/devicetree/bindings/usb/typeb-switch-gpio.txt create mode 100644 drivers/usb/roles/typeb-switch-gpio.c -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel