From patchwork Fri Feb 25 13:20:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil R X-Patchwork-Id: 546277 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 81392C433EF for ; Fri, 25 Feb 2022 13:21:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241147AbiBYNWS (ORCPT ); Fri, 25 Feb 2022 08:22:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234987AbiBYNWQ (ORCPT ); Fri, 25 Feb 2022 08:22:16 -0500 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1anam02on2076.outbound.protection.outlook.com [40.107.96.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC7685FF15; Fri, 25 Feb 2022 05:21:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XOGWBSent5NQhvFacdIQlmgkfIzuLRBmHalKRNYL9yNUZJA3NqAMGkLH4+YXfDI5R36B+CVjSCX03FePp7ZZ/vwc5wu50AzZ3niboWcNbPxf13enJVKIMWZO3sprnr8ROxaSW3aF76lvU30ApAy1f0jq1Wvhk+tSSU65nx+gW8FdJHBGdQuD+P2/nPWaWI+Ig3c8tXvLxz8xUoNxG61rEAxQjqDFU0wKcN9axrNl6KwJX90KkwL2QRIPW3Q4AENBkvNOkprhYK16KBi69ZdSw8TX3FPwsaLKqFZJbCaDuSt+vkf91vVD/PW0GhjN9fbM7uDbLljugZFmdCY4ewGUyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=jZxCPO00v7/Y/9/aDPY+Dgxy/fpyOXvjoxuP9Ogann0=; b=VSS5YbAFav+iwWIgfA3aySI7tKzN5SUSjXxX+dl97yeDVuIzj8lhpMa8P5/YcSGUOt38uPqcDdGLwlqarlx/uMxU3VflwxP5cz2Qz6cvDNCx5W0iAmYKaYV1uoFqIH2g//c2SlpPTQkluZ7EYwp10SmcooDJztbPUyflpZCTSyxD7vm41Km9T6/g/XdI+ZNDD8EQ1x5r9d9buzswbgBrhj3CzuSKDWpjpHKyrMvaKUYivYom8vbx0mTrajTL5T6BXw976WKZ8YwOyPPxcVQbpgyiRDJw/opbUtI69gWwmzhkaK9miyyCSSz8Lt01bmSGri+sapFHqqhXMWWzTM1XyA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.234) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=jZxCPO00v7/Y/9/aDPY+Dgxy/fpyOXvjoxuP9Ogann0=; b=ZMfhYByE/zPk+Hrq7aXtUuQatxb9SktxCsuYRZKW0lK0haMps5ezOTV3aV6wFHWnb9OlvEup647QaDoVyWkyGMNjREBND4LsgEYIu63JmmuMUqSq+C1uZOzWDSwyp5lGc7QotiGF3e5Qr8oDCGLkEhuh0yBo0Xt5UNry1ei4df59uxlCxInCzbtqQQeGmEWIKR6QyLmFa/paqPSDxslmfZC35yNoC829NLnC0LSxIhbGLCCQCka2hSHgkeSdAwyqLyVXJoskFPhdnkK6f1FBOy5YDB/bJucZGoyWnzgiC/sEroJ1p8XXy6vn6cpRa86cm0OpWOUv9irIX7afSfCeTQ== Received: from DM5PR15CA0033.namprd15.prod.outlook.com (2603:10b6:4:4b::19) by BY5PR12MB4886.namprd12.prod.outlook.com (2603:10b6:a03:1c5::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5017.25; Fri, 25 Feb 2022 13:21:41 +0000 Received: from DM6NAM11FT012.eop-nam11.prod.protection.outlook.com (2603:10b6:4:4b:cafe::85) by DM5PR15CA0033.outlook.office365.com (2603:10b6:4:4b::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4975.16 via Frontend Transport; Fri, 25 Feb 2022 13:21:41 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.234) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.234 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.234; helo=mail.nvidia.com; Received: from mail.nvidia.com (12.22.5.234) by DM6NAM11FT012.mail.protection.outlook.com (10.13.173.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5017.22 via Frontend Transport; Fri, 25 Feb 2022 13:21:41 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by DRHQMAIL101.nvidia.com (10.27.9.10) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Fri, 25 Feb 2022 13:21:40 +0000 Received: from rnnvmail203.nvidia.com (10.129.68.9) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.9; Fri, 25 Feb 2022 05:21:38 -0800 Received: from BUILDSERVER-IO-L4T.nvidia.com (10.127.8.14) by mail.nvidia.com (10.129.68.9) with Microsoft SMTP Server id 15.2.986.9 via Frontend Transport; Fri, 25 Feb 2022 05:21:35 -0800 From: Akhil R To: , , , , , , , , , , , , CC: Subject: [PATCH v22 1/2] dt-bindings: dmaengine: Add doc for tegra gpcdma Date: Fri, 25 Feb 2022 18:50:43 +0530 Message-ID: <20220225132044.14478-2-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220225132044.14478-1-akhilrajeev@nvidia.com> References: <20220225132044.14478-1-akhilrajeev@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0d762d2b-3bfa-42ab-5725-08d9f861c2cc X-MS-TrafficTypeDiagnostic: BY5PR12MB4886:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.234; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230001)(4636009)(46966006)(36840700001)(40470700004)(4326008)(70206006)(70586007)(82310400004)(107886003)(26005)(5660300002)(8676002)(8936002)(966005)(316002)(36860700001)(110136005)(426003)(83380400001)(47076005)(81166007)(356005)(921005)(40460700003)(7696005)(2906002)(6666004)(2616005)(508600001)(336012)(36756003)(86362001)(1076003)(186003)(2101003)(83996005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Feb 2022 13:21:41.1448 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d762d2b-3bfa-42ab-5725-08d9f861c2cc X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.234]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT012.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4886 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add DT binding document for Nvidia Tegra GPCDMA controller. Signed-off-by: Rajesh Gumasta Signed-off-by: Akhil R Reviewed-by: Jon Hunter Reviewed-by: Rob Herring Acked-by: Thierry Reding --- .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml new file mode 100644 index 000000000000..9dd1476d1849 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings + +description: | + The Tegra General Purpose Central (GPC) DMA controller is used for faster + data transfers between memory to memory, memory to device and device to + memory. + +maintainers: + - Jon Hunter + - Rajesh Gumasta + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + oneOf: + - const: nvidia,tegra186-gpcdma + - items: + - const: nvidia,tegra194-gpcdma + - const: nvidia,tegra186-gpcdma + + "#dma-cells": + const: 1 + + reg: + maxItems: 1 + + interrupts: + description: + Should contain all of the per-channel DMA interrupts in + ascending order with respect to the DMA channel index. + minItems: 1 + maxItems: 31 + + resets: + maxItems: 1 + + reset-names: + const: gpcdma + + iommus: + maxItems: 1 + + dma-coherent: true + +required: + - compatible + - reg + - interrupts + - resets + - reset-names + - "#dma-cells" + - iommus + +additionalProperties: false + +examples: + - | + #include + #include + #include + + dma-controller@2600000 { + compatible = "nvidia,tegra186-gpcdma"; + reg = <0x2600000 0x210000>; + resets = <&bpmp TEGRA186_RESET_GPCDMA>; + reset-names = "gpcdma"; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + #dma-cells = <1>; + iommus = <&smmu TEGRA186_SID_GPCDMA_0>; + dma-coherent; + }; +...