From patchwork Fri Apr 26 06:47:14 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: 10918385 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 6DB631395 for ; Fri, 26 Apr 2019 06:48:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5822628B18 for ; Fri, 26 Apr 2019 06:48:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C54328B22; Fri, 26 Apr 2019 06:48:31 +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 E6C5828B18 for ; Fri, 26 Apr 2019 06:48:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726144AbfDZGrv (ORCPT ); Fri, 26 Apr 2019 02:47:51 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:64373 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725916AbfDZGru (ORCPT ); Fri, 26 Apr 2019 02:47:50 -0400 X-UUID: 8311bbaeec8b49098072af59107411af-20190426 X-UUID: 8311bbaeec8b49098072af59107411af-20190426 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 802270669; Fri, 26 Apr 2019 14:47:39 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 26 Apr 2019 14:47:37 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 26 Apr 2019 14:47:36 +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 v4 3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch Date: Fri, 26 Apr 2019 14:47:14 +0800 Message-ID: <1556261237-13823-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1556261237-13823-1-git-send-email-chunfeng.yun@mediatek.com> References: <1556261237-13823-1-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 Signed-off-by: Chunfeng Yun --- 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, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt index 3382b5cb471d..6e004c4a89af 100644 --- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt +++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt @@ -27,7 +27,9 @@ Optional properties: - ranges : allows valid 1:1 translation between child's address space and parent's address space - extcon : external connector for vbus and idpin changes detection, needed - when supports dual-role mode. + when supports dual-role mode; it's consiedered valid for compatibility + reasons, and not allowed for new bindings, use the property + usb-role-switch instead. - vbus-supply : reference to the VBUS regulator, needed when supports dual-role mode. - pinctrl-names : a pinctrl state named "default" is optional, and need be @@ -36,7 +38,8 @@ Optional properties: is not set. - pinctrl-0 : pin control group See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - + - usb-role-switch : use USB Role Switch to support dual-role switch, but + not extcon - maximum-speed : valid arguments are "super-speed", "high-speed" and "full-speed"; refer to usb/generic.txt - enable-manual-drd : supports manual dual-role switch via debugfs; usually @@ -61,6 +64,9 @@ 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";