| Message ID | 20260326110948.68908-4-akhilrajeev@nvidia.com |
|---|---|
| State | Changes Requested |
| Headers | show
Return-Path: <linux-tegra+bounces-13286-incoming=patchwork.ozlabs.org@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256 header.s=selector2 header.b=fVqMW1Is; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=172.234.253.10; helo=sea.lore.kernel.org; envelope-from=linux-tegra+bounces-13286-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4fhLp43vRRz1yGD for <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 22:17:00 +1100 (AEDT) Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sea.lore.kernel.org (Postfix) with ESMTP id 182E330F5C74 for <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 11:10:59 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F18A43BE65C; Thu, 26 Mar 2026 11:10:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="fVqMW1Is" X-Original-To: linux-tegra@vger.kernel.org Received: from CH5PR02CU005.outbound.protection.outlook.com (mail-northcentralusazon11012035.outbound.protection.outlook.com [40.107.200.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9213538C2A9; Thu, 26 Mar 2026 11:10:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.200.35 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523458; cv=fail; b=JMsxewWCYzRMoJggGvIM2NCEOf1bF4Qx0Tfvidc3g0uj5kFfhzt4BhIQ7PYtofbkRt7OTRQ7FLT8W6sS9s60UoeoIINemvko7Gu6DqH8os3Bj+KYenXDa4Fn4XKoTZaOhONBCirO7focKLmpS5SaaVzDl5xjUXEItf7126MF/T8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523458; c=relaxed/simple; bh=6j28uLu1xKmrY8yhSmyvyK4Jmout6qnXPmI+SWxxXZw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ay80jBohFEWjZWgU2fFlYUeLb9q+uo1YToM7nCGVd7yeZiT4aYtZ0vz3NTC9pk80GANxJLlksKxbOyBzDHLv1BGMvGRFD8fNfBKJ7rH9WhPZA241yB/GHhbbZIe7INirO+OIPbrbxxFhmg/2w/ovPkkp/OrDca66uuL5ocPcny0= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=fVqMW1Is; arc=fail smtp.client-ip=40.107.200.35 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=IR0utsTQ2tcZs+iL34u66C8cmjjlU8xp6nPF935YvDPQL9KWaxpzJ7+0ReNX/soGWe7imjG8iCQl+dZZgpWzwUuQTXkFR9yceOCn/Aa5t+jbq5qjqeovvCfL42KpmHDvyvCgIsjyCWLppD48WPoJ7zeicQ29vmJRdFMkF1jgsgF0yClgg+YnWPQ1JnnN44ZUFG4exdUkinXTANXxRD7C+ceasYtbtehG/lgkboDpyOzya1olLRxPfghgcVYSMBkZR54iNsuxShOk0badLulbc7Gcvtfa0UfjYMGB9g4nEHrLFjdZ3yWOCJ6blU9hPjhyLzRUsoWCx19akqw4JoMkOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=F4/6eiXNtz/Xnhq3+6P8/inzJUExGAOUHTx0roSa2NY=; b=OQK7D74nTm3c2F89vzM97w2bpTkWuXxKnSxrqmeQWGtRZTa8NKiy43ur7NAZGdkmqmqEng2lNAIgwBRQLNWUVP9Re1pbMSOkcQyREtqqOw1JVflXtd5uZmN4y2ATRZ8dPerVwDRon2Oi4T3IdsruvXv+z3pybtJjph1OztfsQEByYJijcIqdyTPuSp+RMjoHKnN6sX1iRsXyzECx9OMX37W7IhtNEqRcqxE76/1Z8+fYyU34e4KVp72/w8xQK0Y53OG9KQ95LSi01KxaPtSuPL2ER7fvUZoGM90NmsaEEqJnNNdrodNkizqGpKBlMKbfwr9mcmbCo0xKCqaTMLn8kg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.233) smtp.rcpttodomain=kernel.org 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 (0) 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=F4/6eiXNtz/Xnhq3+6P8/inzJUExGAOUHTx0roSa2NY=; b=fVqMW1IslCGnFerZ6Iho9IT3DjqQyJvkrEjezkLbeosON+8o3ttsYblD10YQ/O6m3Xdx5D2RL1Yw3gLJfiDCinnuK4i4PmQFHSPZfMWGoikrVN7pnOaUHkBIjq1aURhSPETTxLFMIvj6nw4fdsgLpVJt74N7F2Hk2QzkGjDLNCDgeSmA7i67L2O+8GCbLluI1sH+hSZNWFnD6y5OmvnJK36DfCYPjlZOWvXXWd3t8b8sR8q8Qe945+M7j4T0O8MagSPHqxnU+rWn+OO9ORtz4Spfp+gNyYy4ydzXr6/NhxjDXMyPT+6rnTCMfq5mQECDzx9GqB3kPzMyMFk0f+EhFQ== Received: from PH5P220CA0011.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:34a::11) by CY3PR12MB9553.namprd12.prod.outlook.com (2603:10b6:930:109::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Thu, 26 Mar 2026 11:10:53 +0000 Received: from SN1PEPF000397B1.namprd05.prod.outlook.com (2603:10b6:510:34a:cafe::21) by PH5P220CA0011.outlook.office365.com (2603:10b6:510:34a::11) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9745.22 via Frontend Transport; Thu, 26 Mar 2026 11:10:53 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.233) 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 216.228.118.233 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.233; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.233) by SN1PEPF000397B1.mail.protection.outlook.com (10.167.248.55) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.21 via Frontend Transport; Thu, 26 Mar 2026 11:10:52 +0000 Received: from drhqmail201.nvidia.com (10.126.190.180) by mail.nvidia.com (10.127.129.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Thu, 26 Mar 2026 04:10:42 -0700 Received: from drhqmail201.nvidia.com (10.126.190.180) by drhqmail201.nvidia.com (10.126.190.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Thu, 26 Mar 2026 04:10:41 -0700 Received: from BUILDSERVER-IO-L4T.nvidia.com (10.127.8.9) by mail.nvidia.com (10.126.190.180) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Thu, 26 Mar 2026 04:10:37 -0700 From: Akhil R <akhilrajeev@nvidia.com> To: Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, "Jonathan Hunter" <jonathanh@nvidia.com>, Laxman Dewangan <ldewangan@nvidia.com>, Philipp Zabel <p.zabel@pengutronix.de>, <dmaengine@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org> CC: Akhil R <akhilrajeev@nvidia.com> Subject: [PATCH v4 03/10] dt-bindings: dma: nvidia,tegra186-gpc-dma: Add iommu-map property Date: Thu, 26 Mar 2026 16:39:40 +0530 Message-ID: <20260326110948.68908-4-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260326110948.68908-1-akhilrajeev@nvidia.com> References: <20260326110948.68908-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: <linux-tegra.vger.kernel.org> List-Subscribe: <mailto:linux-tegra+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-tegra+unsubscribe@vger.kernel.org> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B1:EE_|CY3PR12MB9553:EE_ X-MS-Office365-Filtering-Correlation-Id: aee0b708-3fe6-4dfa-fa82-08de8b285833 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|376014|7416014|36860700016|921020|56012099003|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(376014)(7416014)(36860700016)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 2Ou7slZcE9hqpoEbFzAhGeL8332nc5c0vx++XQEFLXeMRWosTt8hEWSjpj0LM/iTv6D+JS5hj6LoM++owGCWNYjrMFDPy338CSIe4ySFLdwMMMOquTRskClrqSMsu4uMvuqcz4kzrCvoCv3mjqF7EEbsVPBarfomMe+wwCDPKM8XusQNorgKLnQg+2CU5QsOhLQ9PR/GmPEygTtJjGlLH5KtQExTXft4JHsmJ0XO6edn0UpvX5I1LKF6CcTmn/g5CFZv6sDYrtZdNdy/iSCWRMxvnTPP2jAlukZBiXEclnPE2rwHIDsXmGd/oUMwMekFB4MebBeEK4RLYPomj41ViwWmDweWLK4a3fOKcHyKEQvOcW7Y2ft4oLXKGqJidklDwJAIuXuV7rBAT1/27LfYRyuxlUB5yRQzP9fME50zqbPX4FjGmyL9epT87bxDyoPI X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Mar 2026 11:10:52.6882 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: aee0b708-3fe6-4dfa-fa82-08de8b285833 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397B1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY3PR12MB9553 |
| Series |
Add GPCDMA support in Tegra264
|
expand
|
diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml index 9f9f1a30e139..b849d4cc2901 100644 --- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml @@ -14,6 +14,7 @@ description: | maintainers: - Jon Hunter <jonathanh@nvidia.com> - Rajesh Gumasta <rgumasta@nvidia.com> + - Akhil R <akhilrajeev@nvidia.com> properties: compatible: @@ -49,6 +50,14 @@ properties: iommus: maxItems: 1 + iommu-map: + description: + Maps DMA channel numbers to IOMMU stream IDs. A single entry can map all + channels when stream IDs are contiguous. In systems where the channels or + stream IDs are not contiguous, multiple entries may be needed. + minItems: 1 + maxItems: 32 + dma-coherent: true dma-channel-mask: