From patchwork Wed Jul 21 14:04:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 12391019 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 14F8CC6377A for ; Wed, 21 Jul 2021 14:05:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0399C61279 for ; Wed, 21 Jul 2021 14:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239121AbhGUNZC (ORCPT ); Wed, 21 Jul 2021 09:25:02 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:42809 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238344AbhGUNZB (ORCPT ); Wed, 21 Jul 2021 09:25:01 -0400 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id 427E95809C6; Wed, 21 Jul 2021 10:05:38 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 21 Jul 2021 10:05:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=9qld0t2oYFxap sHbSnLOlGHHQQ9aYeesFXGzWd2oVnQ=; b=1aQFOlTU7VmB9cN5IrG9YI38Z/1oR 5L5TjyxU2T2Po1hb8pby3ztmm/4INYk0vfU0W/6EATBVlcv5wEvw2DyVb6WG7XdU U4S1x2a2kElKeP3gIp/UECWoXEyvSGjW7eY5m9k38XbIpuXx8T8mW+UAjw/n6uYE Nbq2WXO6CmioM7SHaah6lnF2jaUr8npyUV3CojHjMWqLNhNIl/KrwS8gvnDVaAAk nouuh5stkQ5QKNqw1VjzPpH5DB7T+IQna60G5NTaxlnafBFUiuA0n+xfbTWNZoi/ 2ZtNzEOIyY6uVxjFDQgpH5V8Xw1Hv6WdcQPquYaUN8bE8khmNHCpvcESg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=9qld0t2oYFxapsHbSnLOlGHHQQ9aYeesFXGzWd2oVnQ=; b=meiIO82U fJ9UV4lilmOm38p41HsApKvIgZgFonWCIm1TWh7fKTPEp4b278H9Fj72aKVg+xml /UHCjLG45kc/vZDLoAFl1dXoXcAYwA5S/R0nEJQISzbW4zdPrHIGihTADTEghwJv l8e3ik2MgRLUTUYu2kvFSaQ3PXqbSGo/0Lg6oG3e8qajmF4bfoLySzzi8WGd8IBh 3QgY0jBvHLFIE8Zk/MtP4ZRFRaFMurPUvpqHjExg9YnA0pqar48/AtwvsLy6YVz0 uDUewytjZHmfqWWU03GnvzQet4nBLA5eT8fIPb3mT4W5F8Pir+oHQrTkqvow2BQq 0LlrlSIeok4gWw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrfeeggdeiiecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenog evohgrshhtrghlqdfhgeduvddqtddvucdludehtddmnecujfgurhephffvufffkffojghf ggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhmvgcutfhiphgrrhguuceomhgrgi himhgvsegtvghrnhhordhtvggthheqnecuggftrfgrthhtvghrnhepveejieejtdevgfff gfejuefggfeutdelteekgeetueeftddutddtgfffhffgueffnecuffhomhgrihhnpeguvg hvihgtvghtrhgvvgdrohhrghenucevlhhushhtvghrufhiiigvpeegnecurfgrrhgrmhep mhgrihhlfhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 21 Jul 2021 10:05:37 -0400 (EDT) From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard , Jernej Skrabec , devicetree@vger.kernel.org, Rob Herring , Frank Rowand Cc: linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Dongjin Kim , Greg Kroah-Hartman , linux-usb@vger.kernel.org Subject: [PATCH 34/54] dt-bindings: usb: Convert SMSC USB3503 binding to a schema Date: Wed, 21 Jul 2021 16:04:04 +0200 Message-Id: <20210721140424.725744-35-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210721140424.725744-1-maxime@cerno.tech> References: <20210721140424.725744-1-maxime@cerno.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The SMSC USB3503 USB Hub Controller is supported by Linux thanks to its device tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that driver over to a YAML schema. Cc: Dongjin Kim Cc: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org Signed-off-by: Maxime Ripard --- .../devicetree/bindings/usb/smsc,usb3503.yaml | 104 ++++++++++++++++++ .../devicetree/bindings/usb/usb3503.txt | 39 ------- 2 files changed, 104 insertions(+), 39 deletions(-) create mode 100644 Documentation/devicetree/bindings/usb/smsc,usb3503.yaml delete mode 100644 Documentation/devicetree/bindings/usb/usb3503.txt diff --git a/Documentation/devicetree/bindings/usb/smsc,usb3503.yaml b/Documentation/devicetree/bindings/usb/smsc,usb3503.yaml new file mode 100644 index 000000000000..0e5622e7df87 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/smsc,usb3503.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/smsc,usb3503.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SMSC USB3503 High-Speed Hub Controller Device Tree Bindings + +maintainers: + - Dongjin Kim + +properties: + compatible: + enum: + - smsc,usb3503 + - smsc,usb3503a + + reg: + maxItems: 1 + + connect-gpios: + description: > + GPIO for connect + + intn-gpios: + description: > + GPIO for interrupt + + reset-gpios: + description: > + GPIO for reset + + disabled-ports: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 3 + items: + minimum: 1 + maximum: 3 + description: > + Specifies the ports unused using their port number. Do not describe this + property if all ports have to be enabled. + + initial-mode: + enum: [1, 2] + description: > + Specifies initial mode. 1 for Hub mode, 2 for standby mode. + + clocks: + description: > + Clock used for driving REFCLK signal. If not provided the driver assumes + that clock signal is always available, its rate is specified by REF_SEL + pins and a value from the primary reference clock frequencies table is + used. + + clock-names: + const: refclk + + refclk-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + Frequency of the REFCLK signal as defined by REF_SEL pins. If not + provided, driver will not set rate of the REFCLK signal and assume that a + value from the primary reference clock frequencies table is used. + +required: + - compatible + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + usb3503@8 { + compatible = "smsc,usb3503"; + reg = <0x08>; + connect-gpios = <&gpx3 0 1>; + disabled-ports = <2 3>; + intn-gpios = <&gpx3 4 1>; + reset-gpios = <&gpx3 5 1>; + initial-mode = <1>; + clocks = <&clks 80>; + clock-names = "refclk"; + }; + }; + + - | + #include + + usb-hub { + /* I2C is not connected */ + compatible = "smsc,usb3503"; + initial-mode = <1>; /* initialize in HUB mode */ + disabled-ports = <1>; + intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ + reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */ + connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */ + refclk-frequency = <19200000>; + }; + +... diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt deleted file mode 100644 index 057dd384d473..000000000000 --- a/Documentation/devicetree/bindings/usb/usb3503.txt +++ /dev/null @@ -1,39 +0,0 @@ -SMSC USB3503 High-Speed Hub Controller - -Required properties: -- compatible: Should be "smsc,usb3503" or "smsc,usb3503a". - -Optional properties: -- reg: Specifies the i2c slave address, it is required and should be 0x08 - if I2C is used. -- connect-gpios: Should specify GPIO for connect. -- disabled-ports: Should specify the ports unused. - '1' or '2' or '3' are available for this property to describe the port - number. 1~3 property values are possible to be described. - Do not describe this property if all ports have to be enabled. -- intn-gpios: Should specify GPIO for interrupt. -- reset-gpios: Should specify GPIO for reset. -- initial-mode: Should specify initial mode. - (1 for HUB mode, 2 for STANDBY mode) -- refclk: Clock used for driving REFCLK signal (optional, if not provided - the driver assumes that clock signal is always available, its - rate is specified by REF_SEL pins and a value from the primary - reference clock frequencies table is used). Use clocks and - clock-names in order to assign it -- refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL - pins (optional, if not provided, driver will not set rate of the - REFCLK signal and assume that a value from the primary reference - clock frequencies table is used) - -Examples: - usb3503@8 { - compatible = "smsc,usb3503"; - reg = <0x08>; - connect-gpios = <&gpx3 0 1>; - disabled-ports = <2 3>; - intn-gpios = <&gpx3 4 1>; - reset-gpios = <&gpx3 5 1>; - initial-mode = <1>; - clocks = <&clks 80>; - clock-names = "refclk"; - };