From patchwork Wed Jan 18 04:44:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 13105547 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 4DAA1C004D4 for ; Wed, 18 Jan 2023 04:45:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229654AbjAREpw (ORCPT ); Tue, 17 Jan 2023 23:45:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229694AbjAREp1 (ORCPT ); Tue, 17 Jan 2023 23:45:27 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BBA35828A; Tue, 17 Jan 2023 20:45:12 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id d9so35692852pll.9; Tue, 17 Jan 2023 20:45:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=D9wEzdn/c8hs3xBU3OhkMlpPcDlGtL5RVLAepqVXl6k=; b=NoE/U94AsD+nnLqS+qyPulEfwZ6sTlpux/8dEzgM5sVE10YacMHwL/POKz6F744lNw E95VHpCINwOpN6j0fvHU2iqNSb8yO9WqbHeRVM/+LPnoAoPdWiydWTw+PfgBs/Hbf/vK IZoAl111CVJHa3nT+AoG/TWPuUSs/2buJRjrmYl355FjZadYJPRVwEAvxeWlGWIVhbcH 6Vw5/MxSGpAbk0HxkDvOD+M2Fc660onxKYqGvuMJOL0PwgUXDlAxcsxyZWHVk6dj1zip c48JmGa8yjKifc2EGERR3GxkaYJj8gQAGliYo/SqTYcx7J7lbQY3xq4cnIF8TBJC/irw rl4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=D9wEzdn/c8hs3xBU3OhkMlpPcDlGtL5RVLAepqVXl6k=; b=leo9QajN2c9uQlmV88rHBTbDJ3FkkhsAdvQJdetbXT7dr0N6cMceuFwVyBaSU4wmG4 ZhdoTnXV7uqYO6kwvUPtodOWVA/0ZFcO20U9ISiSwMdsY9YQnnTJhWPdfd7e7TAzU8e/ tefU/QvWSv6WnJ0wWqjJgtlxIs9Nh13ppvD8vCESULCnLsFkD+30eCNommSX2J1mRkqO 5gawQqsYKWPq3kVHyoIx4rV2Vu+pirtEshvYEvZfBjXrOOwWBZrDEIgDDp2+kR+298cZ 4kXgFZCtulyN1HejqMEvq9HBxzByLGtX3AYdJD3g9dBFTIwOuKhGde3FkczRgiI+A6k5 gikA== X-Gm-Message-State: AFqh2kpb6FW7ALuLfXTd1OHPGpsSpeNTFkoGzT7sHXghtSWufGuldD/Y 4LVfQlxHlcJ8RYBB9RXtQKCaMKClE14= X-Google-Smtp-Source: AMrXdXvKywVQxAnIW9BTyCOwR8hLsk1e+HSxDANbUVb82JskdxL3cpHUWELs3aDIuvWhv+HJOLhYag== X-Received: by 2002:a05:6a20:1611:b0:b5:d50a:4aad with SMTP id l17-20020a056a20161100b000b5d50a4aadmr7989744pzj.39.1674017111729; Tue, 17 Jan 2023 20:45:11 -0800 (PST) Received: from localhost.localdomain ([45.112.3.15]) by smtp.gmail.com with ESMTPSA id i1-20020a056a00004100b00581a156b920sm8682770pfk.132.2023.01.17.20.45.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 20:45:11 -0800 (PST) From: Anand Moon To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski Cc: linux-amlogic@lists.infradead.org, Matthias Kaehlcke , Alexander Stein , Johan Hovold , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 6/9] dt-bindings: usb: Add binding for Via lab VL817 hub controller Date: Wed, 18 Jan 2023 04:44:14 +0000 Message-Id: <20230118044418.875-7-linux.amoon@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230118044418.875-1-linux.amoon@gmail.com> References: <20230118044418.875-1-linux.amoon@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The VIA Lab VL817 is a USB 3.1 Gen 1 hub and USB 2.0 hub controller that features 4 downstream ports and 1 otg, with an internal 5V regulator and has external reset pin. Add a device tree binding for its USB protocol part. The internal LDO is not covered by this and can just be modelled as a fixed regulator. Add combo of USB 2.0 and USB 3.0 root hub using peer-hub. Signed-off-by: Anand Moon --- v2 - fix the compatible string and fix the $id - update the commit message. - update the example for use peer-hub node because it combo of USB 2.0 and USB 3.0 hub. - rename the yaml file from vialab,vl817q7.yaml to vialab,vl817.yaml as q7 suffix is ued for USB 3.1 and q5 suffix is used for USB 2.0. --- .../devicetree/bindings/usb/vialab,vl817.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/vialab,vl817.yaml diff --git a/Documentation/devicetree/bindings/usb/vialab,vl817.yaml b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml new file mode 100644 index 000000000000..5f9771e22058 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Via labs VL817 USB 3.1 hub controller + +maintainers: + - Anand Moon + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + items: + - enum: + - usb2109,2817 + - usb2109,817 + + reg: true + + reset-gpios: + description: GPIO controlling the RESET# pin. + + vdd-supply: + description: + phandle to the regulator that provides power to the hub. + + peer-hub: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: + phandle to the peer hub on the controller. + +required: + - peer-hub + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usb2109,2817"; + reg = <1>; + vdd-supply = <&vcc_5v>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + }; + + /* 3.1 hub on port 4 */ + hub_3_0: hub@2 { + compatible = "usb2109,817"; + reg = <2>; + vdd-supply = <&vcc_5v>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + }; + };