[PATCH v9 0/4] Add NVIDIA Tegra GPC-DMA driver

[Akhil R]

Add support for NVIDIA Tegra general purpose DMA driver for
Tegra186 and Tegra194 platform.

Changes in patch v9:
  * Indentation corrections
  * removed redundant check for tdc->dma_desc in tegra_dma_terminate_all

v8 - https://lkml.org/lkml/2021/9/27/668
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                     | 1297 ++++++++++++++++++++
 9 files changed, 1515 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