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Thu, 16 Dec 2021 17:12:01 +0000 From: Akhil R To: , , , , , , , , , , , , CC: Subject: [PATCH v15 0/4] Add NVIDIA Tegra GPC-DMA driver Date: Thu, 16 Dec 2021 22:41:56 +0530 Message-ID: <1639674720-18930-1-git-send-email-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ff2c07bc-7728-4999-57db-08d9c0b72ffd X-MS-TrafficTypeDiagnostic: DM6PR12MB4827:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3631; 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:12.22.5.236; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(40470700001)(4326008)(356005)(36756003)(2906002)(110136005)(40460700001)(36860700001)(5660300002)(2616005)(86362001)(70206006)(7696005)(107886003)(4744005)(70586007)(316002)(966005)(82310400004)(34020700004)(81166007)(508600001)(426003)(26005)(8936002)(47076005)(921005)(186003)(8676002)(336012)(6666004)(83380400001)(2101003)(83996005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Dec 2021 17:12:06.4910 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ff2c07bc-7728-4999-57db-08d9c0b72ffd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.236]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT026.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4827 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for NVIDIA Tegra general purpose DMA driver for Tegra186 and Tegra194 platform. v14 -> v15: * Removed late suspend. * Removed unneeded prototype * Updated kfree to free tdc->vc instead of tdc->dma_desc. * Updated Kconfig to use ARCH_TEGRA instead of specific chips. v14 - https://lkml.org/lkml/2021/12/6/370 Akhil R (4): dt-bindings: dmaengine: Add doc for tegra gpcdma dmaengine: tegra: Add tegra gpcdma driver arm64: defconfig: tegra: Enable GPCDMA arm64: tegra: Add GPCDMA node for tegra186 and tegra194 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 110 ++ arch/arm64/boot/dts/nvidia/tegra186.dtsi | 42 + arch/arm64/boot/dts/nvidia/tegra194.dtsi | 43 + arch/arm64/configs/defconfig | 1 + drivers/dma/Kconfig | 11 + drivers/dma/Makefile | 1 + drivers/dma/tegra186-gpc-dma.c | 1281 ++++++++++++++++++++ 7 files changed, 1489 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml create mode 100644 drivers/dma/tegra186-gpc-dma.c