[PATCH v8 0/4] Add Nvidia Tegra GPC-DMA driver

[Akhil R]

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

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2.7.4