From patchwork Mon Jun 21 14:15:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 12334901 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 A62A8C49EA5 for ; Mon, 21 Jun 2021 14:14:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C66161261 for ; Mon, 21 Jun 2021 14:14:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230059AbhFUOQX (ORCPT ); Mon, 21 Jun 2021 10:16:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229765AbhFUOQW (ORCPT ); Mon, 21 Jun 2021 10:16:22 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 332A5C061574; Mon, 21 Jun 2021 07:14:07 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id i94so19846922wri.4; Mon, 21 Jun 2021 07:14:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=B3taWVflSNylsyETfTA2qz7hFyJkqD7B41nXPhtbmMM=; b=ILfXpMfbXFI52bS+OLSGcSm5AdXrhBPsn3GzBXvdhY6d+Gy5rrvJyjXr525xGVvkgt zNvLTQY3n5jhCSjKyddoKbM6rfupKP2FPp3gDHaL7QX6vTtT7PimtgAJJnYtY5ls9KA5 +4gsrzeR1WzHbkVCZcWJ/nMnVrn+3WkbItKSs8gEnuw+DvTOxXQOgIfu6Ar2XlDC/Wtn I20qT9EQ88hhZslXiVrsIwjX/WASb7KxTohsAMUYZKcmV56lwiqLRY1MBM3xDfkEmlQQ Xa3oLXBA712NOIaVXUSfs29n2LIoEydgoc5GeUe1hJ8uo20lVs3ALYQcQ2gRPJYXzbdq wg2g== 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=B3taWVflSNylsyETfTA2qz7hFyJkqD7B41nXPhtbmMM=; b=P/wb4JnQ/JBtr6chqZ8/vUxA6lZ8k120U1KMUgyE8ww0LfGBREXab5ZDgjOZDBPlVa xd+Nedrg/WyB0g3MD+DX9YHzUCw27NcOwbbsHMf6lGkZSDpZisELeKmB7oiO52+NRTHU B9J/tA9YFtVUtWbipgN/jgWJt24nzGx10nKtiYLibX8JJ/aPF5uvGnzSU2RNrfYG2T5O YXDLFf5fkHLPHpCW7u7r5ahvqEHth03LCp69ggPUCAXR6r2EQzRkjNYvEERXuP5lQFqm FsiY8F8his0x+wgf1d1uVrRnkU/oiznEEYBYL38WAaNK/XZRklQ8NSsJllr03jz9iEEg HDJA== X-Gm-Message-State: AOAM531+QIMGDVSRGIY8MApjcNdtH8wPEx+SIyd9t2EBAqBpFKkSvxde +z4Aggad9HFLzhEBR8L4ezA= X-Google-Smtp-Source: ABdhPJyJyriNIBCsaFIx9vHLJg93yV6yRIn3ucJeKoI1hXdQtzc1oYE6aE2g0tfId+fVEvfGx4iQYw== X-Received: by 2002:adf:f946:: with SMTP id q6mr27924025wrr.283.1624284845819; Mon, 21 Jun 2021 07:14:05 -0700 (PDT) Received: from localhost ([62.96.65.119]) by smtp.gmail.com with ESMTPSA id r6sm17676638wrz.91.2021.06.21.07.14.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 07:14:05 -0700 (PDT) From: Thierry Reding To: Rob Herring Cc: Jon Hunter , Greg Kroah-Hartman , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: usb: tegra: Convert to json-schema Date: Mon, 21 Jun 2021 16:15:59 +0200 Message-Id: <20210621141559.2881667-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210621141559.2881667-1-thierry.reding@gmail.com> References: <20210621141559.2881667-1-thierry.reding@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Thierry Reding Convert the old plain-text device tree bindings for the USB EHCI controller found on NVIDIA Tegra SoCs to the json-schema format. Signed-off-by: Thierry Reding --- .../bindings/usb/nvidia,tegra20-ehci.txt | 23 --- .../bindings/usb/nvidia,tegra20-ehci.yaml | 151 ++++++++++++++++++ 2 files changed, 151 insertions(+), 23 deletions(-) delete mode 100644 Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt create mode 100644 Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.yaml diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt deleted file mode 100644 index f60785f73d3d..000000000000 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt +++ /dev/null @@ -1,23 +0,0 @@ -Tegra SOC USB controllers - -The device node for a USB controller that is part of a Tegra -SOC is as described in the document "Open Firmware Recommended -Practice : Universal Serial Bus" with the following modifications -and additions : - -Required properties : - - compatible : For Tegra20, must contain "nvidia,tegra20-ehci". - For Tegra30, must contain "nvidia,tegra30-ehci". Otherwise, must contain - "nvidia,-ehci" plus at least one of the above, where is - tegra114, tegra124, tegra132, or tegra210. - - nvidia,phy : phandle of the PHY that the controller is connected to. - - clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. - - resets : Must contain an entry for each entry in reset-names. - See ../reset/reset.txt for details. - - reset-names : Must include the following entries: - - usb - -Optional properties: - - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20 - USB ports, which need reset twice due to hardware issues. diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.yaml new file mode 100644 index 000000000000..3d942f598eac --- /dev/null +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.yaml @@ -0,0 +1,151 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/nvidia,tegra20-ehci.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Device tree binding for NVIDIA Tegra USB controllers + +description: | + The device node for a USB controller that is part of a Tegra SOC is as + described in the document "Open Firmware Recommended Practice : Universal + Serial Bus". Modifications and additions are detailed in this document. + +maintainers: + - Thierry Reding + - Jon Hunter + +properties: + compatible: + oneOf: + - items: + - enum: + - nvidia,tegra210-ehci + - nvidia,tegra124-ehci + - nvidia,tegra114-ehci + - const: nvidia,tegra30-ehci + - items: + - const: nvidia,tegra30-ehci + - items: + - const: nvidia,tegra20-ehci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + phy_type: + $ref: /schemas/types.yaml#/definitions/string + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + items: + - const: usb + + nvidia,phy: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle of the PHY that the controller is connected to + + nvidia,needs-double-reset: + type: boolean + description: + This must be set for some instances of the USB controller found on + Tegra20 that need to be reset twice due to some hardware issue. + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - resets + - reset-names + - phy_type + - nvidia,phy + +examples: + - | + #include + #include + + usb@c5000000 { + compatible = "nvidia,tegra20-ehci"; + reg = <0xc5000000 0x4000>; + interrupts = ; + phy_type = "utmi"; + clocks = <&tegra_car TEGRA20_CLK_USBD>; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,needs-double-reset; + nvidia,phy = <&phy1>; + }; + + - | + #include + #include + + usb@7d000000 { + compatible = "nvidia,tegra30-ehci"; + reg = <0x7d000000 0x4000>; + interrupts = ; + phy_type = "utmi"; + clocks = <&tegra_car TEGRA30_CLK_USBD>; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,needs-double-reset; + nvidia,phy = <&phy1>; + }; + + - | + #include + #include + + usb@7d000000 { + compatible = "nvidia,tegra114-ehci", "nvidia,tegra30-ehci"; + reg = <0x7d000000 0x4000>; + interrupts = ; + phy_type = "utmi"; + clocks = <&tegra_car TEGRA114_CLK_USBD>; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,phy = <&phy1>; + }; + + - | + #include + #include + + usb@7d000000 { + compatible = "nvidia,tegra124-ehci", "nvidia,tegra30-ehci"; + reg = <0x7d000000 0x4000>; + interrupts = ; + phy_type = "utmi"; + clocks = <&tegra_car TEGRA124_CLK_USBD>; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,phy = <&phy1>; + }; + + - | + #include + #include + + usb@7d000000 { + compatible = "nvidia,tegra210-ehci", "nvidia,tegra30-ehci"; + reg = <0x7d000000 0x4000>; + interrupts = ; + phy_type = "utmi"; + clocks = <&tegra_car TEGRA210_CLK_USBD>; + clock-names = "usb"; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,phy = <&phy1>; + };