From nobody Fri Apr 3 00:00:15 2026 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010002.outbound.protection.outlook.com [52.101.46.2]) (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 C4F5B3DC4DC; Thu, 26 Mar 2026 11:11:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.46.2 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523499; cv=fail; b=G5HBGT2v8EyxP3Cb/FOuwoqX5XQ7DHH2t1ZDA/0L8zjW1/JXtp+X28UB28WtJU12U+h55mm4t2od9wViB29GrLm7fIGPonlZmFt8sf79EhaMdLxn/34SS3Fv+QTDX33aXfO4um7///a67wuxVWD34ESzrTzcIwvqwiJfVDZV8XQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774523499; c=relaxed/simple; bh=JYTlyNhUv4vTBGck67zbdcRECNh1OxgvWj9elxg2QHo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NgFs2ol4DHluCmhXz8XNRcR8IbJqSG0dIFMKVbM404LkmC3UMg1lUG8QtBdszd9Pb7BeQ+3300Khj0HGHav/RCECDeOC886EwA22/bqL31EIy1oGks40iXkltSJWGSEf6IuMZrDDVEzPtMT+E7FmL+v6mcKjDVeitZ7Yg2qesHk= 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=k+MsYTac; arc=fail smtp.client-ip=52.101.46.2 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="k+MsYTac" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=fEJGVPQuduwX11VGwTGY2NI7DAZR7/7pKZPNvi3+077sC7NDmbRdcRYP1znJgExdOCWpRuAvKIh1mz3eMaw/aD/RKEeoN+AIEphIFZ3K/puF/kvft8LACZWooFYNrOeVFCBB64QpCtpfuwPgfps7FTmjQrMjIB8qbzd28yBuJH2/34ufjkAkTe3/ncAHdhpSkrJSji3X8yd+/ldClLAEkqdK0PVw8fLAtAYKLkwdEjEfOJmBCRHbP15n/VsxWenaWoHtI7RsudE2Z6PT4sUIakB20l/0fz1Vvo1Lz9vDze/Omt75YwxTOlqRkffRrQJS8O5WH77IrdE6/tCm6vJRMg== 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=FSfzwSDdJu+HGJQknoI/vRE0SzfoPnO8Gbka8zaRvEk=; b=ri8/wfPy4zJM6178dbEmMP5XIaVlDXwhx1qlLrGtM5FsjgJYAKJ4nb4f67XAAhvpaDXnNIF0jvl1cj5WubTsGdN348ZTCcWO/zZprXPtJ/xtZ7ZSnXfgIp7YkDoBiNVRKMHmdnGIf5R3OFJDTVoNnZIsLcOmE1AgEorLs48/kFeQTcWTmVfatDFPkJ+XrbRMpoYI0uGtsq4pLXYXkP4mBmNEsfCVxBcT/v8B+YgTTY1DxtiWfzG1KHwe1CHtFETk3+GZknPr+YKCJDBi3obmVvzqbM7injk0BxDBFZ85eaOUWFRUGBysFNUJY7OCqecq6GriLf79oAjpj3HMsYcJ7A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.232) 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=FSfzwSDdJu+HGJQknoI/vRE0SzfoPnO8Gbka8zaRvEk=; b=k+MsYTacKgGfhEYDumsmoAkt34zSEMrD31RBHXXVAiyG6V6E71ifnehkYunDOy2Pyd4Mp/BBcmT5smA7Vx4nFsVkWCej3H8GphPmFdmtf2Kt9ZT76CmH1Dd4evOvLTuHGKpuyoRVh2LsMzry6TLjUQcDK0cwatLZuAc8yfVoDZIEtnpskK4IFCMeGJLItd5dbd3YeraBC07xa78zUT6IZCB5A5kx9HTQADo4gjkQdWB64o58n8HODZvlteCbZ2k1PEthIx4dApVUjf3qPFQ4jCJ6+CwyDmI59Tlulgvgl6c+QtsjX/llJuHqG0RBmnqmXwnT6zCXkvx8s9wJc+s1SQ== Received: from DM6PR05CA0040.namprd05.prod.outlook.com (2603:10b6:5:335::9) by SA5PPF9BB0D8619.namprd12.prod.outlook.com (2603:10b6:80f:fc04::8d8) 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 11:11:33 +0000 Received: from DM2PEPF00003FC3.namprd04.prod.outlook.com (2603:10b6:5:335:cafe::cc) by DM6PR05CA0040.outlook.office365.com (2603:10b6:5:335::9) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9745.23 via Frontend Transport; Thu, 26 Mar 2026 11:11:33 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.232) 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 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.232) by DM2PEPF00003FC3.mail.protection.outlook.com (10.167.23.21) 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 11:11:32 +0000 Received: from drhqmail203.nvidia.com (10.126.190.182) by mail.nvidia.com (10.127.129.5) 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 04:11:29 -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 04:11:29 -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 04:11:25 -0700 From: Akhil R To: Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , "Jonathan Hunter" , Laxman Dewangan , Philipp Zabel , , , , CC: Akhil R , Frank Li Subject: [PATCH v4 09/10] dmaengine: tegra: Add Tegra264 support Date: Thu, 26 Mar 2026 16:39:46 +0530 Message-ID: <20260326110948.68908-10-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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM2PEPF00003FC3:EE_|SA5PPF9BB0D8619:EE_ X-MS-Office365-Filtering-Correlation-Id: e916922c-8def-4572-eab1-08de8b287004 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|82310400026|376014|1800799024|36860700016|921020|56012099003|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(7416014)(82310400026)(376014)(1800799024)(36860700016)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: S5ITpCWUcmGjVfF+DiFFBf9VnRIhsdn9iuKIHD0T3V17v4LLMWmbO3s6m5p/GpD8N3Nku1hohScN92V6ug6b0wjossF4iyN7IyHaBkP6hCatY22N20uw6QZr4Q38nQ/GhzZ/ArzetBioWH60no0J0gvLJlfBByHS86mP/zOFwVeTbPOF2z4n64VWg2nUN449V7bM32zXBIB4goC2F6cpWJeUfE6EmAcKpBXpezHgbCuGVNGRQv+c8iJCRE6vgtJxc1QYJK3yV/danQgC9K2I+ycMXs+FL69st6jX6r7Uvwd4HE+YauCuskJiHhsKtEAU1P8IqPq4hSVyhAYnqeUmlDpvaE+aI+6tEakDUl3Ey0/dkbosOfhUN+Oyl5nqhfGdilTPkJLcfnSSCfHXWthIW32dbfmaOhfa8KB2JeSsgVU/PTw/kDOtgmLiFen27PmC X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Mar 2026 11:11:32.6685 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e916922c-8def-4572-eab1-08de8b287004 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM2PEPF00003FC3.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPF9BB0D8619 Content-Type: text/plain; charset="utf-8" Add compatible and chip data to support GPCDMA in Tegra264, which has differences in register layout and address bits compared to previous versions. Signed-off-by: Akhil R Reviewed-by: Frank Li --- drivers/dma/tegra186-gpc-dma.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c index 3b377f34be58..c2f32604e7fb 100644 --- a/drivers/dma/tegra186-gpc-dma.c +++ b/drivers/dma/tegra186-gpc-dma.c @@ -1319,6 +1319,23 @@ static const struct tegra_dma_channel_regs tegra186_= reg_offsets =3D { .fixed_pattern =3D 0x34, }; =20 +static const struct tegra_dma_channel_regs tegra264_reg_offsets =3D { + .csr =3D 0x0, + .status =3D 0x4, + .csre =3D 0x8, + .src =3D 0xc, + .dst =3D 0x10, + .src_high =3D 0x14, + .dst_high =3D 0x18, + .mc_seq =3D 0x1c, + .mmio_seq =3D 0x20, + .wcount =3D 0x24, + .wxfer =3D 0x28, + .wstatus =3D 0x2c, + .err_status =3D 0x34, + .fixed_pattern =3D 0x38, +}; + static const struct tegra_dma_chip_data tegra186_dma_chip_data =3D { .nr_channels =3D 32, .addr_bits =3D 39, @@ -1349,6 +1366,16 @@ static const struct tegra_dma_chip_data tegra234_dma= _chip_data =3D { .terminate =3D tegra_dma_pause_noerr, }; =20 +static const struct tegra_dma_chip_data tegra264_dma_chip_data =3D { + .nr_channels =3D 32, + .addr_bits =3D 41, + .channel_reg_size =3D SZ_64K, + .max_dma_count =3D SZ_1G, + .hw_support_pause =3D true, + .channel_regs =3D &tegra264_reg_offsets, + .terminate =3D tegra_dma_pause_noerr, +}; + static const struct of_device_id tegra_dma_of_match[] =3D { { .compatible =3D "nvidia,tegra186-gpcdma", @@ -1359,6 +1386,9 @@ static const struct of_device_id tegra_dma_of_match[]= =3D { }, { .compatible =3D "nvidia,tegra234-gpcdma", .data =3D &tegra234_dma_chip_data, + }, { + .compatible =3D "nvidia,tegra264-gpcdma", + .data =3D &tegra264_dma_chip_data, }, { }, }; --=20 2.50.1