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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Sep 2021 16:11:35.5882 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4e0213b4-ed71-40d3-796c-08d981d17abd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.32];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT065.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR12MB5234 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for Nvida Tegra general purpose DMA driver for Tegra186 and Tegra194 platform. Changes in patch v8: * Fixed dt_binding_check errors in binding doc . * Updated get_burst_size and dma_tx_status functions. * Removed slave_id assigning in tegra_dma_slave_config * dt node name changed from dma to dma-controller v6..v7 - https://lkml.org/lkml/2021/9/17/652 v2..v5 - https://lkml.org/lkml/2021/9/16/455 v1 - https://lkml.org/lkml/2020/7/20/96 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 | 108 ++ arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 4 + arch/arm64/boot/dts/nvidia/tegra186.dtsi | 44 + arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 4 + arch/arm64/boot/dts/nvidia/tegra194.dtsi | 44 + arch/arm64/configs/defconfig | 1 + drivers/dma/Kconfig | 12 + drivers/dma/Makefile | 1 + drivers/dma/tegra186-gpc-dma.c | 1298 ++++++++++++++++++++ 9 files changed, 1516 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml create mode 100644 drivers/dma/tegra186-gpc-dma.c -- 2.7.4