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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2021 14:11:56.4782 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37ae21b2-1fff-4691-4558-08d979e51b8f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.35];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT032.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4833 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 v6: * Removed stream-id from DT. Get stream_id in driver using iommu api * Corrections/indentation in nvidia,tegra186-gpc-dma.yaml and dtsi v5 - https://lkml.org/lkml/2021/9/16/455 v4 - https://lkml.org/lkml/2021/9/8/513 v3 - https://lkml.org/lkml/2021/8/27/34 v2 - https://lkml.org/lkml/2020/8/6/90 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 | 98 ++ 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 | 1375 ++++++++++++++++++++ 9 files changed, 1583 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