From nobody Wed Apr 1 11:17:53 2026 Received: from BN8PR05CU002.outbound.protection.outlook.com (mail-eastus2azon11011058.outbound.protection.outlook.com [52.101.57.58]) (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 569E03EDADB; Tue, 31 Mar 2026 10:25:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.57.58 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774952717; cv=fail; b=pFkVednzmepz8BrjIr7VV1+HxrcjqDqQ/0cZRJGbiscGHgJWW7vOTbObEGWqn1HrpfdgN03J/aNceVPquREGAZHkV4VFw+yCQPJPYy5Pq/jULt04ixXsXOHZx99iPZN+XTKiwCFZoEZbkD2S08eSJr5Vdiy3a7eUHrinW0M0dnQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774952717; c=relaxed/simple; bh=7NN+fCy3ciAgXr87buPM0i0enxwIfLoR6U+BS0kMvmE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eO26SZO/WfmHH8aZtaLk8ExZS2knuNP0zeOUw27ZlazmLIjhhHDHUHSCk/j25QbMtv7T6QTiF5O5PHaVWOpQv/Ks+eRbmejBuDcK8WNPqiXqxPLsoEstmsDAI3+T1C1a6GLp/jUZzI5pFG1HdwNc9vkfKFps62Yc/w2wOQBPM9s= 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=AyPJHN4f; arc=fail smtp.client-ip=52.101.57.58 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="AyPJHN4f" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=U8DcV3gWyVNGfy/VBEciQvPyRsP5+WfgneyQc08xE99/vNu29jjb++HZc3NSMJ4f8ReM9Zv2WelmoBDjfysFR7QmybhsKskRXE6dMltmxGELmHESSwNRj+Q8jiuRxuxT0VGpu86Kf19zbTe4gy3vhoykim40oNZ6U4oz2cG+N567ScXzPU3W95PZuOFuw5tW0KM+OpkVt5trrEXoZFWFFq8PAvkIXwSZhLI3WlkpeKhvO47ukjTJy7XNrA+q1Ad12vM11/P5wewtB8QkynALwZ2ncXdCSeXExS0Kd4tb6m4gVyXcLTPE5DVU5oV4XHfECqXMfMiwoDWWzd8C4uqnGQ== 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=NNb43pydXc7/NV/3gCGMgrCtYLx0sBD0PiqmxKkP4g0=; b=xZjE25em63WnizS/M324FkHN2BvESPuQ6+NnDBra141yRKtWR/8aH0I72iGgfyL4sQao9Fq/5B8iuVrSpcPzdjWoGayGQyoP0sKRL9dhbXCwbKRYtueWsb/mVJq6QfyDGhJ7RAo6whAyVmRMvUK3Z1ONmtygD0DnbMuVzxPNfOZJ6j2DjhTKSgRTp3kgskpoU/AP37imeuvNQdahVWnlLntbCtBWu3b+SqcMhWHiujxk3u9LUn5IDHSkVl8LAa/RWYmgP8UAlOp9AqhF2OH2zRL4BwTAs25g/94N74ib/oaV6Yf025HX8scrShTMRZvMLACzAvPLdJKgFwcpqHm4hw== 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=NNb43pydXc7/NV/3gCGMgrCtYLx0sBD0PiqmxKkP4g0=; b=AyPJHN4fmyzN4Cb/3fo/GRSig8N48iZjNbkoazvHOB6bQMWcQaIxstbbfL0w8ns7XRGw9SXhESvY4L1l5CbRkGcEoWKaJBrZpkynq4FdhcjQAM8Ze4x9MfZ/75QEyfFw5gWD2q/g+tv6ZSjRF2byDAl+CP+rtgPtDsHWFpnV+3SH8by4ekBsJCWjKh6AdFAhL35eUKgT3cFBKfqgOfsoDC6UxxVeNuE57gnnflwagn5ofm04CEgqQPsy+VqMxZI9hcBQogUao7ZYyMfc6yKnCGVCmC/+eVuK6Q8mzbyUVB35fVovtClzwLKkL7QxHZ9tuWo+vzPBoKIHIbD9WqEl1Q== Received: from CH2PR16CA0015.namprd16.prod.outlook.com (2603:10b6:610:50::25) by CH3PR12MB9080.namprd12.prod.outlook.com (2603:10b6:610:1a7::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.15; Tue, 31 Mar 2026 10:25:10 +0000 Received: from CH1PEPF0000A347.namprd04.prod.outlook.com (2603:10b6:610:50:cafe::a2) by CH2PR16CA0015.outlook.office365.com (2603:10b6:610:50::25) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9745.28 via Frontend Transport; Tue, 31 Mar 2026 10:24:57 +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 CH1PEPF0000A347.mail.protection.outlook.com (10.167.244.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.21 via Frontend Transport; Tue, 31 Mar 2026 10:25:08 +0000 Received: from drhqmail201.nvidia.com (10.126.190.180) 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; Tue, 31 Mar 2026 03:24:56 -0700 Received: from drhqmail203.nvidia.com (10.126.190.182) 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; Tue, 31 Mar 2026 03:24:55 -0700 Received: from BUILDSERVER-IO-L4T.nvidia.com (10.127.8.9) by mail.nvidia.com (10.126.190.182) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Tue, 31 Mar 2026 03:24:52 -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 v6 09/10] dmaengine: tegra: Add Tegra264 support Date: Tue, 31 Mar 2026 15:53:02 +0530 Message-ID: <20260331102303.33181-10-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260331102303.33181-1-akhilrajeev@nvidia.com> References: <20260331102303.33181-1-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: CH1PEPF0000A347:EE_|CH3PR12MB9080:EE_ X-MS-Office365-Filtering-Correlation-Id: f265344b-71c4-450c-7882-08de8f0fc8c6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|7416014|82310400026|376014|1800799024|921020|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: xkAttQnssvyO09t4TMN9slLFogpLzffSuM3OJyBIN/pUt2nsoq6RyZWc22Vg7WT+Aja+uRZsICRxAG0TU4cS61bUa2UrKwm5cLpUhUchCODVHi/a/ACAr28bCIQTPfMLrej/camG8VK67E8+n3+V5A6XKeWG8lIxkuvQREM6/12gbbkl/WmWwtHNxH2TziYAQiGsRHhnIC4mhH14EffrBoJ4xsajUwaJrSaQSDZavaLzDPRyIIdBYDGmqepH4Gd4DK5phi/Vj17yfyNwp5AJdpembhxFHVF8btK3eDFd12bWH0lDtwj+GqM3c0Pr7s6OyqRRrM7GraXqZmVvVrFYMzq4AP9MUpSK6RuZgdWJ8Q/UT5TxuYj34ydgXpGV2CFWkYvtDpiVYFcUGJkEHPeP00ZV++BGL7i7ZBb7WqaNrHN1WJ64Sgh+4XZ/OyceiPmLO73nv3BlI/LFl+Cw3jJSPTG2gBLEOY7lUlvrH/YjKvslNkp0tuSoHusCtyg4CyDogM5fnswARfS8iWQm4IMFcn0dlapS8v+ymxHjlkadEGvnqHxAVbVHNGCl6vrceZDSqRbaMSU3dSaxj4hRYtHapFrAqyX5yKVmWUOUIlvip9wbb2sEqa815X42ttEKt/xU3qFPrDnCGNhmjuhBrVs0H7bygmtJ3XR2JGg9AcCnLLR6KvecVWD+dInmZSwWCzwAUsEzDYRSMHZBidJcvVK/VOQn7NqLSOBeEL011u9aY0JFvUeROD/xmNW8Q8M/oqTkgcuEKKMwRW/4tslbCR8+Ok6xFNAVT0EDWSBMi3ojop5XnDyMDFUkAn+tOtF572pB 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)(36860700016)(7416014)(82310400026)(376014)(1800799024)(921020)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: +GRJNWlk8QwR8Ldh5K5oKC0dVg/ag+bXD5d2ZDVhLiC8fa2Zzr025AUSvzl2MNqLkqOBfVj6TBeAml6hzPf+9DNWMPHPs/TLowGG1fiFcKDD0K/3hfAiwFmkrBDcqL+wrNFAwmsuY+uWQM3CKPF8t0ANMdGiQoR+JJJgmga6SagYi/sSy2iQHDsdVU4FeL25nvZm5dgrk+W69nCchIvxxTszQLw2+2HcY35SSRsNyLvCyWEs9Yzc4hymLj77mRsz+ZUrOfA/SO62CYZZM1QzqIXhhJ55NxoakHiOWG11BNIKNpkegWLNulplaSp4fWJRkRVXs+o/sa2roqpb1O8dleB7yWr7CHQzNZS8YluEFrFlfCPOpnW49/0cHn5OTPKmZRsu/PzUCKVdOTqrkRvthgf9zW3MU6syeVTWW0r8m8vjPbOvAtGGgYneUQLeaOIi X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Mar 2026 10:25:08.7375 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f265344b-71c4-450c-7882-08de8f0fc8c6 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: CH1PEPF0000A347.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9080 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 cd480d047204..2383a2fe73f1 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