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=-8.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 AE150C04AB4 for ; Fri, 17 May 2019 13:27:38 +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 81B8B206A3 for ; Fri, 17 May 2019 13:27:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G+Z34irT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81B8B206A3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QXWGSVsW/1xMZ4lv35MF9H7aPUSaCZOEaHE9fgeYBCA=; b=G+Z34irT1Gm7B9 xXB/kbn2IbwelezMddhNfyC2z4QX80TOvX8QkwqDpVU/wWXC9a1atOwvfVCk7nn5Ol5rG0H6Lw3J1 xi0OZ4L486hlvk6sHyPyvn8aGbgxIH77jYnC7IvGEcJ4yODg22Fwfqie8q6wDjb1VTE0tZ4b+8HKx 6g0FwdoAj/mUsYhLnW1CZ9imDdL4aNybGsRERzs+SzRXG3K+VFOnxWQLOWH3lskIQKaKcRSiYpmPV y+nEqaVjg4LKmDV0OBpoQBnDN8W2Z0DS2ubftedpKwulPw69x5GfX8VzUPP0ik4KQp39Dz7mPlWtt fcYdH5SUly/4hny/ihfA==; 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 1hRctW-0005tQ-Cc; Fri, 17 May 2019 13:27:30 +0000 Received: from mga06.intel.com ([134.134.136.31]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRctS-0005sd-Tp; Fri, 17 May 2019 13:27:28 +0000 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 May 2019 06:27:26 -0700 X-ExtLoop1: 1 Received: from kuha.fi.intel.com ([10.237.72.189]) by fmsmga001.fm.intel.com with SMTP; 17 May 2019 06:27:21 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Fri, 17 May 2019 16:27:21 +0300 Date: Fri, 17 May 2019 16:27:21 +0300 From: Heikki Krogerus To: Chunfeng Yun Subject: Re: [v3 PATCH] dt-binding: usb: add usb-role-switch property Message-ID: <20190517132721.GB1887@kuha.fi.intel.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190517_062727_005609_9B6D5C18 X-CRM114-Status: GOOD ( 19.11 ) 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, Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org, Yu Chen , linux-kernel@vger.kernel.org, Biju Das , Rob Herring , linux-mediatek@lists.infradead.org, Min Guo , Matthias Brugger , linux-arm-kernel@lists.infradead.org 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 On Wed, May 08, 2019 at 05:17:44PM +0800, Chunfeng Yun wrote: > Add a property usb-role-switch to tell the driver that use > USB Role Switch framework to handle the role switch, > it's useful when the driver has already supported other ways, > such as extcon framework etc. > > Cc: Biju Das > Cc: Yu Chen > Signed-off-by: Chunfeng Yun Who is meant to pick this? Can you include this in your series where you introduce that USB Type-B GPIO connector driver? FWIW: Reviewed-by: Heikki Krogerus > --- > v3: > add property type, modify description suggested by Heikki > > v2: > describe it in terms of h/w functionality suggested by Rob > > v1: > the property is discussed in: > [v2,2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property > https://patchwork.kernel.org/patch/10852497/ > > Mediatek and Hisilicon also try to use it: > [v4,3/6] dt-bindings: usb: mtu3: add properties about USB Role Switch > https://patchwork.kernel.org/patch/10918385/ > [v4,6/6] usb: mtu3: register a USB Role Switch for dual role mode > https://patchwork.kernel.org/patch/10918367/ > > [v6,10/13] usb: dwc3: Registering a role switch in the DRD code > https://patchwork.kernel.org/patch/10909981/ > --- > Documentation/devicetree/bindings/usb/generic.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt > index 0a74ab8dfdc2..cf5a1ad456e6 100644 > --- a/Documentation/devicetree/bindings/usb/generic.txt > +++ b/Documentation/devicetree/bindings/usb/generic.txt > @@ -30,6 +30,10 @@ Optional properties: > optional for OTG device. > - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is > optional for OTG device. > + - usb-role-switch: boolean, indicates that the device is capable of assigning > + the USB data role (USB host or USB device) for a given > + USB connector, such as Type-C, Type-B(micro). > + see connector/usb-connector.txt. > > This is an attribute to a USB controller such as: > > -- > 2.21.0 thanks, -- heikki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel