[PATCH v2 0/2] Add dma controller for hisi ascend310/910

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The patch set add driver and device-tree bindings for a dma controller
on hisi ascend310/910 platform.

Changes in v2:
	- Use common driver apis: dev_xxx() devm_xxx()
	- Fix dts-binding properties, based on feedbacks
	- If iommu sva feature is disabled, probe will not lead to failure

Guo Mengqi (2):
  dmaengine: Add HiSilicon Ascend SDMA engine support
  dt-bindings: dma: hisi: Add bindings for Hisi Ascend sdma

 .../bindings/dma/hisi,ascend-sdma.yaml        |  75 ++
 drivers/dma/Kconfig                           |   9 +
 drivers/dma/Makefile                          |   1 +
 drivers/dma/ascend_sdma.c                     | 817 ++++++++++++++++++
 4 files changed, 902 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/hisi,ascend-sdma.yaml
 create mode 100644 drivers/dma/ascend_sdma.c


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