From patchwork Tue May 14 08:47:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 10942511 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 7C613924 for ; Tue, 14 May 2019 08:48:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6CE4A2857E for ; Tue, 14 May 2019 08:48:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6161C285C8; Tue, 14 May 2019 08:48:06 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F3A1E2857E for ; Tue, 14 May 2019 08:48:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726569AbfENIrm (ORCPT ); Tue, 14 May 2019 04:47:42 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:4294 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726449AbfENIrl (ORCPT ); Tue, 14 May 2019 04:47:41 -0400 X-UUID: 96eaa1e971b94ae6bcaac495a40ffc84-20190514 X-UUID: 96eaa1e971b94ae6bcaac495a40ffc84-20190514 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1430199521; Tue, 14 May 2019 16:47:35 +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; Tue, 14 May 2019 16:47:33 +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; Tue, 14 May 2019 16:47:32 +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 , , , , , , Biju Das , Linus Walleij Subject: [PATCH v5 3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch Date: Tue, 14 May 2019 16:47:20 +0800 Message-ID: <1557823643-8616-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1557823643-8616-1-git-send-email-chunfeng.yun@mediatek.com> References: <1557823643-8616-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now the USB Role Switch is supported, so add properties about it, and modify some description related. Signed-off-by: Chunfeng Yun Reviewed-by: Rob Herring --- v5 changes 1. modify decription about extcon and vbus-supply properties 2. make this patch depend on [1] [1]: [v3] dt-binding: usb: add usb-role-switch property https://patchwork.kernel.org/patch/10934835/ v4: no changes v3: no changes v2 changes: 1. fix typo 2. refer new binding about connector property --- .../devicetree/bindings/usb/mediatek,mtu3.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt index 3382b5cb471d..3a8300205cdb 100644 --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt @@ -28,8 +28,13 @@ Optional properties: parent's address space - extcon : external connector for vbus and idpin changes detection, needed when supports dual-role mode. + it's considered valid for compatibility reasons, not allowed for + new bindings, and use "usb-role-switch" property instead. - vbus-supply : reference to the VBUS regulator, needed when supports dual-role mode. + it's considered valid for compatibility reasons, not allowed for + new bindings, and put into a usb-connector node. + see connector/usb-connector.txt. - pinctrl-names : a pinctrl state named "default" is optional, and need be defined if auto drd switch is enabled, that means the property dr_mode is set as "otg", and meanwhile the property "mediatek,enable-manual-drd" @@ -39,6 +44,8 @@ Optional properties: - maximum-speed : valid arguments are "super-speed", "high-speed" and "full-speed"; refer to usb/generic.txt + - usb-role-switch : use USB Role Switch to support dual-role switch, but + not extcon; see usb/generic.txt. - enable-manual-drd : supports manual dual-role switch via debugfs; usually used when receptacle is TYPE-A and also wants to support dual-role mode. @@ -61,6 +68,9 @@ The xhci should be added as subnode to mtu3 as shown in the following example if host mode is enabled. The DT binding details of xhci can be found in: Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt +The port would be added as subnode if use "usb-role-switch" property. + see graph.txt + Example: ssusb: usb@11271000 { compatible = "mediatek,mt8173-mtu3";