From patchwork Wed Dec 28 10:03:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 13082825 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 80F6AC4708E for ; Wed, 28 Dec 2022 10:06:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232912AbiL1KGX (ORCPT ); Wed, 28 Dec 2022 05:06:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232898AbiL1KFz (ORCPT ); Wed, 28 Dec 2022 05:05:55 -0500 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E52A0DF2; Wed, 28 Dec 2022 02:05:51 -0800 (PST) Received: by mail-pj1-x1031.google.com with SMTP id u4-20020a17090a518400b00223f7eba2c4so15604888pjh.5; Wed, 28 Dec 2022 02:05:51 -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=XddeMIQqpQATN+V02+mnCt6s/9dpQm+lysoFjgM/iXM=; b=bk9fPXdUuyhpiB21Zc6lECqP3DGFcZuDaRjM9NiTQcDW49oyZnaprUVChuBu13cveQ +tuR2ei4Gmmks6GNZpxuFlZ48YVzWw+gkqvpwyUiSGGq/Y2syUZgKcfFTnDPhxp3VgIC BpOrcy7TMVP3fdt3Ik2ZrM5IVJRK9/7SH+CxvzZgWFQNNwfov1ra7ELkyAC7d6Y4EqHn F5nagEcXFH3dZzg3tuNpg9MQsoqD03c8DCLicI0G+mRDOd4fj51Bny/By7Ut0BsCtl8D J1F8UKUC0yEtzECuDGWz7qceGVaLHeKQ7RyFNkYllKcWZxwBbvn5aHZQ+miHxIV/waIE z0xw== 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=XddeMIQqpQATN+V02+mnCt6s/9dpQm+lysoFjgM/iXM=; b=xKMPbeXG91DdqmU7AJFR+BW06R4hbFDFpjr6SkVWaqZEkF/xV+EZtx+sWT91Ucr3G2 OcZm1zqR2r88uPxnyZGZonSNI7enIB9jcYNGzpa4+iUFlIWFC1psYforF58W6ja1aodg +e2a/MJF/aKVTG6uH+98SZnQ3VEXForycdYB01WfiAtIt93tZn4n4fd8FATSIcBGs9Pl 9v5egeuI2rSFbzc9qoHmWcFVye8ZY9sx12qd8o4CTLeH6UsAajx3Wl8ZRITIeNXUtJkV bqaRmBvhulQZbys0O83wRzR7wyjcBvLWprtYUyPr5+hnqmRAUL/n/6+kuZqPLkqKq+13 JrrA== X-Gm-Message-State: AFqh2kpxkfKi1BvjDE4x+XzcNsA5hxr98V0z5lMkQQy/UtKwkd1Ssybr +zEaPxvfXbKTqySmsV5peuTpwS9iSDyj5A== X-Google-Smtp-Source: AMrXdXsGyKPlSNurOpXtQXDm488FCNp4MXLMzNFxR/gCvJmOImwthWm4FQ5Snt8HpVO9Gw2aqoOuyg== X-Received: by 2002:a17:902:da86:b0:189:747e:97cc with SMTP id j6-20020a170902da8600b00189747e97ccmr35072825plx.26.1672221951502; Wed, 28 Dec 2022 02:05:51 -0800 (PST) Received: from localhost.localdomain ([45.112.3.26]) by smtp.gmail.com with ESMTPSA id t6-20020a1709027fc600b0019277df45a6sm5794915plb.53.2022.12.28.02.05.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Dec 2022 02:05:51 -0800 (PST) From: Anand Moon To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski Cc: linux-amlogic@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 08/11] dt-bindings: usb: Add binding for Via lab VL817Q7 hub controller Date: Wed, 28 Dec 2022 10:03:17 +0000 Message-Id: <20221228100321.15949-9-linux.amoon@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221228100321.15949-1-linux.amoon@gmail.com> References: <20221228100321.15949-1-linux.amoon@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The VIA Lab VL817-Q7 is a USB 3.1 Gen 1 4-Port hub controller that features 4 downstream ports, 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. Signed-off-by: Anand Moon --- .../bindings/usb/vialab,vl817q7.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml diff --git a/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml b/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml new file mode 100644 index 000000000000..4ae995160fd5 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/vialab,vl817q7.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Via labs VL817Q7 USB 3.1 hub controller + +maintainers: + - Anand Moon + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + enum: + - vialab,usb2109 + + reg: true + + reset-gpios: + description: GPIO controlling the RESET# pin. + + vdd-supply: + description: + the regulator that provides 5.0V core power to the hub. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + hub: hub@1 { + compatible = "vialab,usb2109" + reg = <1>; + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + }; + };