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

Akhil R
2021-12-16T17:12:11Z

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