From: Sean Wang <sean.wang@xxxxxxxxxxxx>
Changes since v2:
- remove extra tasklets and refactor driver for letting descriptors being processed ASAP.
- add more comments stating the relevant logic
- remove unused macro and variables
- change to use the disclaimer with SPDX identifier
- add mt7622 support
- refine hardware initialization sequence
- add tx_status support for DMA_RESIDUE_GRANULARITY_SEGMENT
- refine remove handler with killing vc's tasklet
Changes since v1:
- fix typo in the commit message.
- delete status shown in the dt-binding example.
This patchset introduces support for MediaTek High-Speed DMA controller
(MTK-HSDMA) Currently, the driver is already tested successfully with
dmatest module on MT7622 and MT7623 SoC.
MTK-HSDMA on MT7622/23 SoC has a single ring which is dedicated for
doing memory-to-memory transfer through ring-based descriptor management.
Even though there is only a single ring available inside HSDMA, the
driver is being extended to the support for multiple virtual channels
processing simultaneously by means of DMA_VIRTUAL_CHANNELS.
Sean Wang (3):
dt-bindings: dmaengine: Add MediaTek High-Speed DMA controller
bindings
dmaengine: mediatek: Add MediaTek High-Speed DMA controller for MT7622
and MT7623 SoC
dmaengine: mediatek: update MAINTAINERS entry with MediaTek DMA driver
.../devicetree/bindings/dma/mtk-hsdma.txt | 33 +
MAINTAINERS | 9 +
drivers/dma/Kconfig | 2 +
drivers/dma/Makefile | 1 +
drivers/dma/mediatek/Kconfig | 13 +
drivers/dma/mediatek/Makefile | 1 +
drivers/dma/mediatek/mtk-hsdma.c | 1045 ++++++++++++++++++++
7 files changed, 1104 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/mtk-hsdma.txt
create mode 100644 drivers/dma/mediatek/Kconfig
create mode 100644 drivers/dma/mediatek/Makefile
create mode 100644 drivers/dma/mediatek/mtk-hsdma.c
--
2.7.4
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