[PATCH v16 0/4] Add NVIDIA Tegra GPC-DMA driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

v15 -> v16:
  * Added cyclic mode support
  * Added device pause and resume
  * Added sg_req array to handle multiple sgs
  * Request irq only when a dma chan is allocated
  * Removed locks and busy flag
  * Updates in terminate_all callback

v15 - https://lkml.org/lkml/2021/12/16/905

The additional changes were added to align with the features that got
added in the interim.
Keeping "Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>" as the changes
were reviewed internally.

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                     | 1464 ++++++++++++++++++++
 7 files changed, 1672 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
 create mode 100644 drivers/dma/tegra186-gpc-dma.c

-- 
2.7.4




[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux