From patchwork Tue Jun 22 14:24:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 465518 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, URIBL_BLOCKED, 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 D77D2C49EA5 for ; Tue, 22 Jun 2021 14:22:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B723661361 for ; Tue, 22 Jun 2021 14:22:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231847AbhFVOZD (ORCPT ); Tue, 22 Jun 2021 10:25:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231621AbhFVOZC (ORCPT ); Tue, 22 Jun 2021 10:25:02 -0400 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60183C061756; Tue, 22 Jun 2021 07:22:46 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id q14so2621876eds.5; Tue, 22 Jun 2021 07:22:46 -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=gKFa9cbppvuSzICTPCyOrCLDkwJRcl6t3DzrxGzA/dw=; b=I+uKF56Gn/CjXdVBmgDr0ESzogsO8XEg4sPLQ28pDtZiDI0lek/jseRmmLijm1SPye 1SIKihRWsiDqfXSuoj7H/PmhWTVVhZtR2xa7T993kj45Q55oSfDShmgx3+ITp6QkQR9p sNsZ5xr5X10g+2uQ4cWgKCFEJUsBBXBfDZMUEaNb/zPFXcsScuS4iHIrAFn9yav8yaNR lQqWSlbrvWT5ZBdN9hzb654yQz0PMtn2kmF3gTXHaLVg3H/0ZeUYI2bK1Kz3ufT62+F5 t/2p9R+hq/u6rA3DNjZOqLQFBsAJjpoSH8pKeWGLZLTOknjFgDYl+j9L1/CBNsGYnNRh fpQg== 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=gKFa9cbppvuSzICTPCyOrCLDkwJRcl6t3DzrxGzA/dw=; b=TYerjw9gorvocKOs2bkoRJ+0Rp8ceqQekSQlFCiXdLGzTbn7N7BPSbZHOKeUDhZsJi ibeayjWzeIWXl/vz1U57q38a3eGXdAxDgAkQQYMcxPOk5/zjFXCVZKD0lNXsIhHECmgW ENAnPrg3xUQia7yZF2TyaLoD+aDuJxzxQi63+Zy2DPiSouAERh4vroAGXIhDUSFOttRG fmnvtqt+KV72BMb7EtZzSCZ/P0H7W1dLigkPv+DGgYQfnHrZydBr6f8wjCkfEi9HSzsG Pq650jxrkmvnPzCmK/puLc9UcALQYp+9ppQdMYaXtImrnRfuocSUptffCwZkdNOxT9Tf EUlQ== X-Gm-Message-State: AOAM532UB+y+HoNyutJ9ECWLami+t6Je6GuP/qAu/QQ3G5Um1zi50Qgt oxFwFJUfmWEpM8Q6ldekJE0= X-Google-Smtp-Source: ABdhPJxHuIeC+bfIDGXEWab2/pNXQbgJwer0PCekKjMU5VnJeSCiOaJiwRV3CkZIQbYdd/PHv4n3QQ== X-Received: by 2002:a05:6402:3492:: with SMTP id v18mr5342791edc.130.1624371765004; Tue, 22 Jun 2021 07:22:45 -0700 (PDT) Received: from localhost ([62.96.65.119]) by smtp.gmail.com with ESMTPSA id j19sm2748996ejo.3.2021.06.22.07.22.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Jun 2021 07:22:44 -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 v2 2/2] dt-bindings: usb: tegra: Convert to json-schema Date: Tue, 22 Jun 2021 16:24:36 +0200 Message-Id: <20210622142436.4014610-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210622142436.4014610-1-thierry.reding@gmail.com> References: <20210622142436.4014610-1-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 --- Changes in v2: - drop unneeded clock-names property - fix indentation issues .../bindings/usb/nvidia,tegra20-ehci.txt | 23 --- .../bindings/usb/nvidia,tegra20-ehci.yaml | 150 ++++++++++++++++++ 2 files changed, 150 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..079cae44b8d9 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.yaml @@ -0,0 +1,150 @@ +# 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>; + resets = <&tegra_car 22>; + reset-names = "usb"; + nvidia,phy = <&phy1>; + };