From patchwork Wed Sep 1 09:18:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 506176 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, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 902ACC4320A for ; Wed, 1 Sep 2021 09:20:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D18B61059 for ; Wed, 1 Sep 2021 09:20:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243569AbhIAJVB (ORCPT ); Wed, 1 Sep 2021 05:21:01 -0400 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:51177 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243566AbhIAJU5 (ORCPT ); Wed, 1 Sep 2021 05:20:57 -0400 Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.nyi.internal (Postfix) with ESMTP id 6F365580B24; Wed, 1 Sep 2021 05:20:00 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Wed, 01 Sep 2021 05:20:00 -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=NE9AUAjhoU4hV oBIJpvEmvndGMXYqbykLIA62gBCqIE=; b=pRlwnYEdf+7wSiJ6R1UnMt0jfhAAx iVpi7GmR4SvybcUbEsdeGpv9xBU4b/xQBi1yNDig3B8xtzf4slb1Q5kSeNx8lQP2 F5/OsN8VhrZyGQwtgwMA+a7iYqqxXgQz34u0mvTXv+j5LwxdvvIbIWQI+tYSRK90 gJ04zdFmwVp0pUd+CWV+aoSD+ani4DNo4viXv0J4glRaJUTOyah+2SCmacxGVypE BacgeN1iNGjX3fbceu9DCslRtiqnhtYOzYTexfzu41lJqB14yk0BA537IjDpjym/ FNij1mAQ7y1zlMup0Cjf7lGMGOqkt9XQ+paVqUi50QrepA/KCxDQlWzKw== 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=NE9AUAjhoU4hVoBIJpvEmvndGMXYqbykLIA62gBCqIE=; b=qg7Gg/Vr s0YSypUS/C4XP0ecBKzOm3aRX4lBRjvaA70XeWz3Us0e9flJpk1OOYRZjMR+zEQP oP8fBOhpN1UoGIrE//drKD5gWm9LxgBBN61un1Lu588kY4bde5sqs82PGN0xGVL8 Fb6GFBQCbxMWPzXTsapuTIDWfwuVgDiPLhjhGQkO0YRbJ40uK0RigzrvQhU+3LEz i8+TtBXZ6VP3wCQtyMMonb0P+C4Wg9s20UUuQdHC6CTiJ1I+Y1+I7Ebj8QPb2sLB xqCm2MRgmuE0UQaTFQw4nDT4dA94fCToHzC+gG426/nTNn2mQbMGsNTObQHAmsws aXd367SEnbbD9Q== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddruddvfedgudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne govehorghsthgrlhdqhfeguddvqddtvdculdduhedtmdenucfjughrpefhvffufffkofgj fhgggfestdekredtredttdenucfhrhhomhepofgrgihimhgvucftihhprghrugcuoehmrg igihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrghtthgvrhhnpeevjeeijedtvefg fffgjeeugffguedtleetkeegteeufedtuddttdfgfffhgfeuffenucffohhmrghinhepug gvvhhitggvthhrvggvrdhorhhgnecuvehluhhsthgvrhfuihiivgepheenucfrrghrrghm pehmrghilhhfrhhomhepmhgrgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 1 Sep 2021 05:19:59 -0400 (EDT) From: Maxime Ripard To: devicetree@vger.kernel.org, Rob Herring , Frank Rowand , Chen-Yu Tsai , Maxime Ripard , =?utf-8?q?Jernej_=C5=A0krabec?= Cc: linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Dongjin Kim , Greg Kroah-Hartman , linux-usb@vger.kernel.org Subject: [PATCH v2 36/52] dt-bindings: usb: Convert SMSC USB3503 binding to a schema Date: Wed, 1 Sep 2021 11:18:36 +0200 Message-Id: <20210901091852.479202-37-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210901091852.479202-1-maxime@cerno.tech> References: <20210901091852.479202-1-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 Reviewed-by: Rob Herring --- Changes from v1: - Added maximum number of items for clocks and gpios - Fixed the example node name --- .../devicetree/bindings/usb/smsc,usb3503.yaml | 108 ++++++++++++++++++ .../devicetree/bindings/usb/usb3503.txt | 39 ------- 2 files changed, 108 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..39228a506b93 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/smsc,usb3503.yaml @@ -0,0 +1,108 @@ +# 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: + maxItems: 1 + description: > + GPIO for connect + + intn-gpios: + maxItems: 1 + description: > + GPIO for interrupt + + reset-gpios: + maxItems: 1 + 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: + maxItems: 1 + 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>; + + usb-hub@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"; - };