| Message ID | 20260326110948.68908-2-akhilrajeev@nvidia.com |
|---|---|
| State | Changes Requested |
| Headers | show
Return-Path: <linux-tegra+bounces-13284-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=VVxfM73k; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=172.232.135.74; helo=sto.lore.kernel.org; envelope-from=linux-tegra+bounces-13284-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sto.lore.kernel.org (sto.lore.kernel.org [172.232.135.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4fhLg21r9sz1y1G for <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 22:10:54 +1100 (AEDT) Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sto.lore.kernel.org (Postfix) with ESMTP id 19181303B28F for <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 11:10:36 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id ABAF638B121; Thu, 26 Mar 2026 11:10:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="VVxfM73k" X-Original-To: linux-tegra@vger.kernel.org Received: from PH0PR06CU001.outbound.protection.outlook.com (mail-westus3azon11011045.outbound.protection.outlook.com [40.107.208.45]) (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 1E3E733D6FD; Thu, 26 Mar 2026 11:10:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.208.45 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523435; cv=fail; b=YxxW8vtL4ujE1n/6uVhC9E7IvaQ2TYoTTAkFVaJccSUQ7MXr76mrdUqqZLaLMQSj0RG22UtOF4vmjnHfHg4foozEg9XIREia6uleEziIl8E7KytvdVNAV3i87AGEhpbQj2dDqTk7DQviJdkr3X/uVXYqSzTuvECZi/Os9jT7e8k= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523435; c=relaxed/simple; bh=cOnBdhYDJjoOonyxy6J9cOVn7VwNuWKKd4gElnOThgc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uIiO29+7tBGlvgJWCgvj7bFjcNrbY+SYGo38t5qDEMKO4AKGuj4+ODZLabiDPX8rIViQW+eAJmo3hodGC/JiWwFP4BoPSKiro3X0+0ycuYUFGZ2kfEoKwcu9RiHpQk9smX8hLwBNgGnrlxFDV67w13oe+mEO8oBRgto7G8JKRGg= 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=VVxfM73k; arc=fail smtp.client-ip=40.107.208.45 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=WujXDPc0BSBlybje0kw+EFUtELCPpTBSuCzOK/BDCAN1yWxLS8At6mZn/XdREO3Fb5gA7qKXEzPGWEjdZu+rc/aJzpyBFzqTXBKxA8Wm3X/MllJ2+u9752K8C3DWgPaT1ZCSv3bX2XfsGq/XW/+9HyRDP8FXKAWB3nnsf/ecdG4sxOt9b4vBTrdGGRXMxrtqXbWEk3Wqit/Lao1HWU0yxLPM45Nq95S+f3wdrzXiIkLRTbCciItvIYL4T77DJ6pI/dF1YPvVqsejGDkHNxZXvoqLPBeNqKyRA1mTERGN8kfaG4Nt0SqbxdW04PkPweD3JuEnYrjQsXAdoGc7WymgLw== 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=FdZOv3o+BgQHy9YFiHEoMmPHqXWq8rBnamTKAcsnLy4=; b=Ubl828TdtmzvGlvMGiHM4Zetb87yXGp4TPc9TP9+IGQYfi5441YUrDBoj8maM11KlX9zsUA1lEP72Iya6EoNY4KNfHfSw8++1aCdw1eUTJC3dIXTzBkfRyIJkbC3JmYzSSSQyPlL8xuo909cNTt/JxilIoZT7NYaxraelTs10fH5A97M+APO2glHr2o2edxQkrMjwHO3diSRAGGw/YaTBNBQjthUO04JeSoaEuoo2TxuAC5O27ifrXdQ4YqWtHHpqKiFgHFTNOfBsnYwnS9B4H8fwLpJ1mlT8WMK3zorE2aq3TKeVzJXPE7euVUz+C/epdLOum2uxllGLyfPgnwVqg== 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=FdZOv3o+BgQHy9YFiHEoMmPHqXWq8rBnamTKAcsnLy4=; b=VVxfM73kjHBTHoGIDJzk7Js2sO+kvWvkPSydGNqCrvFXywR34totjVFtZVq08jBr4hdMaqcL2AJAJYuufaPqYDU/r07+5wMNsZTrufW9msbWkcPPctxd1hrJVNbkRQr8FT2DqHmrT2CvKzdYlIrG1PjEjHt9HWd9MZJK5MF0tOOyxz7fhpQ8waWk9YeELji34H7WK4JzV0xaiaLTHlkMAfLTWpSbLyl6GumwmGK+vsF3axHfy4+FsHdL/+cMzJibfhq73LfxsUBMN3mFxnEc20aOftKfY4GJuCZhHo4rr7prInGAUVStUhrJBS0kqpnrQSZ7PX5JAs0qRR3ChhG39A== Received: from CH0P221CA0047.NAMP221.PROD.OUTLOOK.COM (2603:10b6:610:11d::28) by SA1PR12MB8841.namprd12.prod.outlook.com (2603:10b6:806:376::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.6; Thu, 26 Mar 2026 11:10:28 +0000 Received: from CH3PEPF00000009.namprd04.prod.outlook.com (2603:10b6:610:11d:cafe::36) by CH0P221CA0047.outlook.office365.com (2603:10b6:610:11d::28) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9723.33 via Frontend Transport; Thu, 26 Mar 2026 11:10:27 +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 CH3PEPF00000009.mail.protection.outlook.com (10.167.244.36) 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 11:10:27 +0000 Received: from drhqmail203.nvidia.com (10.126.190.182) 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 04:10:12 -0700 Received: from drhqmail201.nvidia.com (10.126.190.180) by drhqmail203.nvidia.com (10.126.190.182) 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 04:10:11 -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 04:10:08 -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 01/10] dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset optional Date: Thu, 26 Mar 2026 16:39:38 +0530 Message-ID: <20260326110948.68908-2-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: CH3PEPF00000009:EE_|SA1PR12MB8841:EE_ X-MS-Office365-Filtering-Correlation-Id: b9bd90ad-2dca-4b72-a7f0-08de8b28494b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700016|7416014|376014|921020|18002099003|22082099003|56012099003; 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)(36860700016)(7416014)(376014)(921020)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: MiB6l6Ud9nyeXGrJhzHWAVUHuxD8IPcYYy31YRXNlT7dB2TBqyyvAfQq2KWTLjgK9TDETAAbZiZlAwuM5eAwop6bMnkJlu4apBltQyUNcnvteMkyXDMoPC2fMNToEZvX55SnJEzqvOfWtbDZiQwPrgBbD64oNq698eseeVixtfawdMdP9ogXKsc/MVt/JDDJvqarg9OvR6IfHQqA3uNJzBeIbbPyY5Q1NbbFCoBgmJbyjIacpxhPlQAG0OpPKy6Ch4REPJ/A0JvdMYY05ScCjbJN+shQQ4OVBQKhX4ISCut267ipJ6w9RkeOpp+OA60L6K+GC+gl6aiKnH1rBoYYe0rVAzocCGqw2Fbjt+lp9rHEzod+fDQaaELs7SjtT64oAf0Y47RPt4j6jybC0AQtdNiOKsRaTL48KYApYBOcVDeTvSmULM050ok6e6safLGQ X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Mar 2026 11:10:27.6480 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b9bd90ad-2dca-4b72-a7f0-08de8b28494b 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: CH3PEPF00000009.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8841 |
| 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 0dabe9bbb219..9f9f1a30e139 100644 --- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml @@ -15,16 +15,14 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Rajesh Gumasta <rgumasta@nvidia.com> -allOf: - - $ref: dma-controller.yaml# - properties: compatible: oneOf: - - const: nvidia,tegra186-gpcdma + - enum: + - nvidia,tegra264-gpcdma + - nvidia,tegra186-gpcdma - items: - enum: - - nvidia,tegra264-gpcdma - nvidia,tegra234-gpcdma - nvidia,tegra194-gpcdma - const: nvidia,tegra186-gpcdma @@ -60,12 +58,25 @@ required: - compatible - reg - interrupts - - resets - - reset-names - "#dma-cells" - iommus - dma-channel-mask +allOf: + - $ref: dma-controller.yaml# + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra186-gpcdma + - nvidia,tegra194-gpcdma + - nvidia,tegra234-gpcdma + then: + required: + - resets + - reset-names + additionalProperties: false examples:
On Tegra264, GPCDMA reset control is not exposed to Linux and is handled by the boot firmware. Although reset was not exposed in Tegra234 as well, the firmware supported a dummy reset which just returns success on reset without doing an actual reset. This is also not supported in Tegra264 BPMP. Therefore mark 'reset' and 'reset-names' properties as required only for devices prior to Tegra264. This also necessitates that the Tegra264 compatible be standalone and cannot have the fallback compatible of Tegra186. Since there is no functional impact, we keep reset as required for Tegra234 to avoid breaking the ABI. Fixes: bb8c97571db5 ("dt-bindings: dma: Add Tegra264 compatible string") Signed-off-by: Akhil R <akhilrajeev@nvidia.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> --- .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 25 +++++++++++++------ 1 file changed, 18 insertions(+), 7 deletions(-)