From patchwork Fri Jun 4 21:40:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Kaehlcke X-Patchwork-Id: 454248 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=-19.1 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 BDB05C4743D for ; Fri, 4 Jun 2021 21:41:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8B8A6121D for ; Fri, 4 Jun 2021 21:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231580AbhFDVnQ (ORCPT ); Fri, 4 Jun 2021 17:43:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231610AbhFDVnN (ORCPT ); Fri, 4 Jun 2021 17:43:13 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7195FC061787 for ; Fri, 4 Jun 2021 14:41:10 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id q16so5328733pls.6 for ; Fri, 04 Jun 2021 14:41:10 -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=XlaFEkq/wHNy65Jvh9hblHLJ082mrVP3syH45tj6v+4=; b=NDt8RNLIdfawiZEdTDpOeV6A8iiUCNO5h3M1/8rw+ZtfgqVgKe+Gu3WbkfPNS8kn2P X20MVMY4h6OFJsHRKHG4lf7qqZGBkMg8PHitC1RAEh+08dlxQtiaOWx0hU0ovuyJMqL1 62kt2LSybipZtS2xd2dz1sPWgK/z3bSloBfqo= 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=XlaFEkq/wHNy65Jvh9hblHLJ082mrVP3syH45tj6v+4=; b=EuDukxujjPPWeg8r4ZJbirtIpxAhV7u/2p6a45EQxIiQW6d7Iwr+5uRbD+0AyX20k/ 634Gcfz0g6LAqChXxlPMdVY7ps76o+UY5+c+TzA3VPS5jpZkut0EtPgE3t5NIiWWVDLT OCblNMB4sZKbM8LtGgdQPwgRyO/jVAmo35isGbA8TLwa663we09yZ9CjIxDN9+8cUfvM sKswD3UxIyTHeLEKOGMaKYGyzcLCSA4jsXdZ+Jw27pMubANU+D8H5ydd7U30Pzu0j2Ue yFc4j1cn9vFyAByiA/VaERCaTL2E1wM9ESvPo+iKue/cPVrWVH+aa7FR3itBPpV5Q/98 BTwA== X-Gm-Message-State: AOAM533JMozDFDCLcxO4efe81qAxC4oWjRhtKXCdEHw13nCe5GoH3Cjj a5lzliK1UrSDUnGcnkGXMy4fTw== X-Google-Smtp-Source: ABdhPJzR/L91/+LM5RioB7mN8WPukc+lj8sIGlNoQJmHBEhVm8tzcmoyJTtKfrQberXzIih0/MXqhQ== X-Received: by 2002:a17:90a:aa14:: with SMTP id k20mr19227560pjq.88.1622842870006; Fri, 04 Jun 2021 14:41:10 -0700 (PDT) Received: from localhost ([2620:15c:202:201:1cfa:4a0b:c513:8c09]) by smtp.gmail.com with UTF8SMTPSA id q68sm5567348pjq.45.2021.06.04.14.41.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Jun 2021 14:41:09 -0700 (PDT) From: Matthias Kaehlcke To: Greg Kroah-Hartman , Alan Stern , Rob Herring , Frank Rowand , Mathias Nyman Cc: Michal Simek , Ravi Chandra Sadineni , linux-usb@vger.kernel.org, Bastien Nocera , linux-kernel@vger.kernel.org, Krzysztof Kozlowski , devicetree@vger.kernel.org, Peter Chen , Stephen Boyd , Douglas Anderson , Matthias Kaehlcke , Rob Herring Subject: [PATCH v11 1/5] dt-bindings: usb: Add binding for Realtek RTS5411 hub controller Date: Fri, 4 Jun 2021 14:40:57 -0700 Message-Id: <20210604144027.v11.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid> X-Mailer: git-send-email 2.32.0.rc1.229.g3e70b5a671-goog In-Reply-To: <20210604214101.3363525-1-mka@chromium.org> References: <20210604214101.3363525-1-mka@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@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 v11: - none 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>; + }; + };