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 -- 2.7.4
