From patchwork Tue May 11 22:52:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Kaehlcke X-Patchwork-Id: 434669 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 8F1FCC43470 for ; Tue, 11 May 2021 22:52:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75DF861421 for ; Tue, 11 May 2021 22:52:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbhEKWxi (ORCPT ); Tue, 11 May 2021 18:53:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230126AbhEKWxg (ORCPT ); Tue, 11 May 2021 18:53:36 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7E23C06174A for ; Tue, 11 May 2021 15:52:29 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id c21so16812061pgg.3 for ; Tue, 11 May 2021 15:52:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nPfjNGu0bWmZPxek0tP9ZZksfu5jEL2EIBrcRX1glfg=; b=jI7LM9aVM57XPnXPuJRJkxCqBEh6mrB7droxTox8SAa5ztFsAOv+AVq6skwDMupyfP otqJAg85fAbfowID2PIA+rZ9cccY1SPm2Ce+nBoiqk4Kje74zAqoLIpCN+u4SXJjxY4/ kc6sEXFmF8M9/OF7sxXjvUcv00CRNH/qUQ3Jg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nPfjNGu0bWmZPxek0tP9ZZksfu5jEL2EIBrcRX1glfg=; b=PIRcdc9eieP1FlbgwfpZOCZKhDffhJd/xW1X8NO0d5/werQwmBGGyYGHMJnmiCc38X pK8AXyf2yexm3s27uQp8USnMpaXsI4EsnaAH/npXKNCgqMgPAeyvVQbcg9M3ZaQPdKO2 c2tdvZQBKFUKLqH5VvD0VQVmGOhW/SyZ/n8pUSlFlfPozM1bje9WZU2hZaS7f3Y8jpQk v03LJqKr8GjGtKd55tNJbpnnxS0ARdF08n8yLk7Dv9hpyownwSEzO2TWM4FP8FqC3oER GwSLMXZjszE4yVdNu0yn8H9ZJ+v0AgARY21fBK0gDT0Cp4Y2zMxyEvXZ9bBM6W4t1p+7 UOsA== X-Gm-Message-State: AOAM533ce1UZG7VBhf+hKTYr6dXE/Jx9tp5PYVsbCEjytvYlo8xMtMNH 4ESGdWmQX0DRe5u0UwXpQ8wTFvfq8G1f3g== X-Google-Smtp-Source: ABdhPJy4yWZ/DcWMdmWwZpF8qxLQuvC1hUn0XzngT8Xx4R8juzOn0k4q8IijTPovE+rhsFXv+j+DFA== X-Received: by 2002:a05:6a00:1ac6:b029:2ae:bde3:621c with SMTP id f6-20020a056a001ac6b02902aebde3621cmr22097698pfv.80.1620773549330; Tue, 11 May 2021 15:52:29 -0700 (PDT) Received: from localhost ([2620:15c:202:201:f1d7:673a:456e:c653]) by smtp.gmail.com with UTF8SMTPSA id c24sm14198088pfi.32.2021.05.11.15.52.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 May 2021 15:52:29 -0700 (PDT) From: Matthias Kaehlcke To: Greg Kroah-Hartman , Alan Stern , Rob Herring , Frank Rowand Cc: Michal Simek , devicetree@vger.kernel.org, Douglas Anderson , linux-usb@vger.kernel.org, Peter Chen , linux-kernel@vger.kernel.org, Stephen Boyd , Ravi Chandra Sadineni , Krzysztof Kozlowski , Bastien Nocera , Matthias Kaehlcke , Rob Herring Subject: [PATCH v10 1/5] dt-bindings: usb: Add binding for Realtek RTS5411 hub controller Date: Tue, 11 May 2021 15:52:19 -0700 Message-Id: <20210511155152.v10.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid> X-Mailer: git-send-email 2.31.1.607.g51e8a6a459-goog In-Reply-To: <20210511225223.550762-1-mka@chromium.org> References: <20210511225223.550762-1-mka@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The Realtek RTS5411 is a USB 3.0 hub controller with 4 ports. This initial version of the binding only describes USB related aspects of the RTS5411, it does not cover the option of connecting the controller as an i2c slave. Signed-off-by: Matthias Kaehlcke Reviewed-by: Rob Herring --- Changes in v10: - none Changes in v9: - added Rob's 'Reviewed-by' tag Changes in v8: - added entry for 'reg' - marked 'companion-hub' as required - changed node name of USB controller to 'usb' Changes in v7: - added type ref for 'companion-hub' property Changes in v6: - Realtek binding instead of generic onboard_usb_hub - added 'companion-hub' property - added reference to 'usb-device.yaml' - 'fixed' indentation of compatible entries to keep yamllint happy - added 'additionalProperties' entry - updated commit message Changes in v5: - updated 'title' - only use standard USB compatible strings - deleted 'usb_hub' node - renamed 'usb_controller' node to 'usb-controller' - removed labels from USB nodes - added 'vdd-supply' to USB nodes Changes in v4: - none Changes in v3: - updated commit message - removed recursive reference to $self - adjusted 'compatible' definition to support multiple entries - changed USB controller phandle to be a node Changes in v2: - removed 'wakeup-source' and 'power-off-in-suspend' properties - consistently use spaces for indentation in example .../bindings/usb/realtek,rts5411.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/realtek,rts5411.yaml diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml new file mode 100644 index 000000000000..04ee255eb4f0 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding for the Realtek RTS5411 USB 3.0 hub controller + +maintainers: + - Matthias Kaehlcke + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + items: + - enum: + - usbbda,5411 + - usbbda,411 + + reg: true + + vdd-supply: + description: + phandle to the regulator that provides power to the hub. + + companion-hub: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: + phandle to the companion hub on the controller. + +required: + - companion-hub + - compatible + - reg + +additionalProperties: false + +examples: + - | + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usbbda,5411"; + reg = <1>; + vdd-supply = <&pp3300_hub>; + companion-hub = <&hub_3_0>; + }; + + /* 3.0 hub on port 2 */ + hub_3_0: hub@2 { + compatible = "usbbda,411"; + reg = <2>; + vdd-supply = <&pp3300_hub>; + companion-hub = <&hub_2_0>; + }; + };