Add support for NVIDIA Tegra general purpose DMA driver for
Tegra186 and Tegra194 platform.
v16 -> v17:
* Updates in terminate_all() and pause().
* Moved DMA busy check to configure_next_sg() from issue_pending()
* shortened variable names -
bytes_requested -> bytes_req; bytes_transferred -> bytes_xfer
* Correction in burst_size calculation
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 | 1488 ++++++++++++++++++++
7 files changed, 1696 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
