From patchwork Mon May 3 19:44:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Kaehlcke X-Patchwork-Id: 430733 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=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 63602C433B4 for ; Mon, 3 May 2021 19:44:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4031D61075 for ; Mon, 3 May 2021 19:44:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229717AbhECTpo (ORCPT ); Mon, 3 May 2021 15:45:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229650AbhECTpl (ORCPT ); Mon, 3 May 2021 15:45:41 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37AC7C061763 for ; Mon, 3 May 2021 12:44:46 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id p17so3424165plf.12 for ; Mon, 03 May 2021 12:44:46 -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=ddRS2AScHEHzlrlyRh3qV79ZQtFjv/zHQpWHpAegDbs=; b=bn8SuD2klGotzTJfSUaJpQvHQRJyCYM3QL0TJ4qh9qy6QftRedWkUVODgpjsLhZE5a QBmFFUZevKUd2iHUBLaBW9GSXcRTu6gj2rt3b6syduNqrXc4SDbiWffzywbmTR9gbO7G 1RLV/uyWbFf1qRNW7Lg3ElBTTvz1DMV8ZBehg= 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=ddRS2AScHEHzlrlyRh3qV79ZQtFjv/zHQpWHpAegDbs=; b=LmxygAVkEe9WmjSK7gjadUii3dzK6ck9mtXnTzhxMVBbRukqs372GeyT1CzXrK0eT4 pZrghcfAXmZUt3Ixljn2aBsikhUrJd01o8LYxePhqmP5IeA0zfUALVGSNbFb/rv7EHyR jK6hDFGMDVnjDlIVyJs5xd4cz3cHudTIS09kliLqMi2ZaCCrxP6P4Ty6G4V+Jl7FZfir ONGNR3olVYbc76915Rbsqnn2u0o9YTEl82S6lsfztrhQ59YWW+TAkXXSfIdOt7E8qdQu Z2aGQ2mUyaPUrRk8fw+opJNlr+YqIm/H5x7dwU/S+ygkkBTO8VMH5UA9KV2IiqoEQoOb m0dA== X-Gm-Message-State: AOAM531tyNfrutG9G6nOyD6UIm2WT+draz9ca1BlzmfNgFVT4t7RnC7S v2sNirq7Zw1bFHKxB/OXzXjYDQ== X-Google-Smtp-Source: ABdhPJzLyH241/6ZtXe3lGzVfNoHbdGWe7OLeC5zZgTVQcK5LLcCBYuuIiBj9Xvq9rYCms+qagcyGQ== X-Received: by 2002:a17:902:bcc7:b029:ed:6f73:ffc4 with SMTP id o7-20020a170902bcc7b02900ed6f73ffc4mr21843321pls.1.1620071085778; Mon, 03 May 2021 12:44:45 -0700 (PDT) Received: from localhost ([2620:15c:202:201:8584:3fd:2adf:a655]) by smtp.gmail.com with UTF8SMTPSA id k127sm10335226pfd.63.2021.05.03.12.44.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 May 2021 12:44:45 -0700 (PDT) From: Matthias Kaehlcke To: Greg Kroah-Hartman , Alan Stern , Rob Herring , Frank Rowand Cc: Peter Chen , Bastien Nocera , linux-usb@vger.kernel.org, Stephen Boyd , Ravi Chandra Sadineni , Douglas Anderson , devicetree@vger.kernel.org, Krzysztof Kozlowski , linux-kernel@vger.kernel.org, Michal Simek , Matthias Kaehlcke , Rob Herring Subject: [PATCH v9 1/5] dt-bindings: usb: Add binding for Realtek RTS5411 hub controller Date: Mon, 3 May 2021 12:44:35 -0700 Message-Id: <20210503124408.v9.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid> X-Mailer: git-send-email 2.31.1.527.g47e6f16901-goog In-Reply-To: <20210503194439.3289065-1-mka@chromium.org> References: <20210503194439.3289065-1-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 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>; + }; + };