From patchwork Thu Feb 3 10:34:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 539829 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE82EC4332F for ; Thu, 3 Feb 2022 10:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349925AbiBCKfp (ORCPT ); Thu, 3 Feb 2022 05:35:45 -0500 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:8650 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349867AbiBCKfo (ORCPT ); Thu, 3 Feb 2022 05:35:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1643884544; x=1675420544; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=ipXsq7qTH1/FSymAH5tAlILjsAInI3AmrKyu6Npw8iM=; b=Om8d66dtA4AjXtJTZHuYxqyHnyfs5NuMEaX0QtlzTn4VQybrk8FJ2hoZ jybO3b07TvKcXhs4fdmn1SnQDIxFn9i59llCoYoBCKCjnSlJvUO8YeFtp alxctupqj43I/Zhv2bo+0cpbYh+GfycZX+bDEHhFxTA+y0bx2k/4Osylg w=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-02.qualcomm.com with ESMTP; 03 Feb 2022 02:35:44 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2022 02:35:44 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Thu, 3 Feb 2022 02:35:43 -0800 Received: from blr-ubuntu-525.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Thu, 3 Feb 2022 02:35:39 -0800 From: Souradeep Chowdhury To: , , , , , , CC: , , , , , , , , Subject: [PATCH V5 1/6] dt-bindings: Add the yaml bindings for EUD Date: Thu, 3 Feb 2022 16:04:30 +0530 Message-ID: <09ebfb6c3efcd3084ba2eae65820a6d4187785c7.1643880577.git.quic_schowdhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Documentation for Embedded USB Debugger(EUD) device tree bindings in yaml format. Signed-off-by: Souradeep Chowdhury Reviewed-by: Bjorn Andersson Reviewed-by: Rob Herring --- .../devicetree/bindings/soc/qcom/qcom,eud.yaml | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml new file mode 100644 index 0000000..c98aab2 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Embedded USB Debugger + +maintainers: + - Souradeep Chowdhury + +description: + This binding is used to describe the Qualcomm Embedded USB Debugger, which is + mini USB-hub implemented on chip to support USB-based debug capabilities. + +properties: + compatible: + items: + - enum: + - qcom,sc7280-eud + - const: qcom,eud + + reg: + items: + - description: EUD Base Register Region + - description: EUD Mode Manager Register + + interrupts: + description: EUD interrupt + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: + These ports is to be attached to the endpoint of the DWC3 controller node + and type C connector node. The controller has the "usb-role-switch" + property. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the DWC3 controller. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the type C connector. + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + eud@88e0000 { + compatible = "qcom,sc7280-eud","qcom,eud"; + reg = <0x88e0000 0x2000>, + <0x88e2000 0x1000>; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + eud_ep: endpoint { + remote-endpoint = <&usb2_role_switch>; + }; + }; + port@1 { + reg = <1>; + eud_con: endpoint { + remote-endpoint = <&con_eud>; + }; + }; + }; + };