[PATCH v15 0/4] Add NVIDIA Tegra GPC-DMA driver

[Akhil R]

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

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2.7.4