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=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 EE2DEC43441 for ; Sat, 17 Nov 2018 14:47:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B62E720815 for ; Sat, 17 Nov 2018 14:47:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B62E720815 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726391AbeKRBEC (ORCPT ); Sat, 17 Nov 2018 20:04:02 -0500 Received: from mail-oi1-f195.google.com ([209.85.167.195]:39507 "EHLO mail-oi1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726020AbeKRBEC (ORCPT ); Sat, 17 Nov 2018 20:04:02 -0500 Received: by mail-oi1-f195.google.com with SMTP id 192-v6so21984832oii.6; Sat, 17 Nov 2018 06:47:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=stsnSiQvOzo+ZNhcptAw6yqhVZJPir6cu3yTcMtukUM=; b=sg3ytPc9cTteZDRB2Tl8SwkQPuwg+5WJKLlY0Fhaat5ofDAN4uysIWAPHyeZQbe0YR v+QhLfe8LxU1u7tCxMSUwDttSJLnq2lVM6DgW2dJi+w7+AUJVkrbVKsVM1bt/qN99D// EE5CRrUu9En6GJY5MapshN/rfH+7pWcIH6tBIXRnGN7Tku7LdB0Ui1y/odknpcPjn3H3 7aDTGEuuDQAolZSSFrwoA1BICuaLuwPG7Vy9u8kYfGjT5p1ojBQPxnffPo6SAODrSeqf G86yTlKn8eIjsORtyMHx2r8xXRPSta9jrLaHlSAZFzXs3bFjyYNAIw22POrH6iGfzZET rgbA== X-Gm-Message-State: AGRZ1gJuwu/MLZGGKMnJpqTogWTqt4Sn7oU/nDZ2ue8Erv+W08c5LKqC v1vtpLn67tz3MdjMACQXs8Mbuoo= X-Google-Smtp-Source: AJdET5ddZ0sDocnmXBHBCPryChPfZWIfOoGNlfXBMrDv5/D3Pk/MnCmwk/Bw+lI7WPo1eihXy3pSug== X-Received: by 2002:aca:4d8f:: with SMTP id a137mr3443132oib.168.1542466027799; Sat, 17 Nov 2018 06:47:07 -0800 (PST) Received: from localhost ([166.137.105.180]) by smtp.gmail.com with ESMTPSA id b82-v6sm12713282oif.50.2018.11.17.06.47.06 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 17 Nov 2018 06:47:07 -0800 (PST) Date: Sat, 17 Nov 2018 08:47:05 -0600 From: Rob Herring To: Prakruthi Deepak Heragu Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, rnayak@codeaurora.org, Satya Durga Srinivasu Prabhala Subject: Re: [PATCH v3 1/2] dt-bindings: Documentation for qcom,eud Message-ID: <20181117144705.GA18155@bogus> References: <1542310374-18474-1-git-send-email-pheragu@codeaurora.org> <1542310374-18474-2-git-send-email-pheragu@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1542310374-18474-2-git-send-email-pheragu@codeaurora.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 15, 2018 at 11:32:53AM -0800, Prakruthi Deepak Heragu wrote: > Documentation for Embedded USB Debugger (EUD) device tree bindings. I asked questions on v2 which were never answered. > > Signed-off-by: Satya Durga Srinivasu Prabhala > Signed-off-by: Prakruthi Deepak Heragu > --- > .../devicetree/bindings/soc/qcom/qcom,msm-eud.txt | 43 ++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > new file mode 100644 > index 0000000..6d339e7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > @@ -0,0 +1,43 @@ > +* Qualcomm Technologies Inc Embedded USB Debugger (EUD) > + > +The EUD (Embedded USB Debugger) is a mini-USB hub implemented > +on chip to support the USB-based debug and trace capabilities. > + > +Required properties: > + > + - compatible: Should be "qcom,msm-eud" > + - interrupts: Interrupt number > + - reg: Should be address and size of EUD register space > + > +EUD notifies clients for VBUS attach/detach and charger enable/disable > +events. The link between client and EUD is established via a directed > +graph. EUD has one endpoint of the graph link mentioning EUD as an > +output link and clients of EUD should have the other endpoint of the > +graph link as an input link. > + > +An example for EUD device node: > + > + eud: qcom,msm-eud@88e0000 { > + compatible = "qcom,msm-eud"; > + interrupts = ; > + reg = <0x88e0000 0x4000>; > + usb_con: connector { > + compatible = "usb-c-connector"; > + label = "USB-C"; > + port { > + eud_usb_output: endpoint { > + remote-endpoint = <&eud_usb3_input>; > + }; > + }; > + }; > + }; > + > +An example for EUD client: > + > + usb3 { > + port { > + eud_usb3_input: endpoint { > + remote-endpoint = <&eud_usb_output>; > + }; > + }; > + }; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >