[PATCH v4] add support for Mediatek Command-Queue DMA controller on MT6765 SoC

shun-chih.yu
2018-12-27T13:10:56Z

Changes since v3:
- simplify the ISR and management on descriptors by removing tasklet and ASYNC_TX_ENABLE_CHANNEL_SWITCH
- remove useless field in mtk_cqdma_vdesc structure
- change dev_info to dev_dbg
- fix typos

Changes since v2:
- fix build warning for kernel with DMA address in 32-bit

Changes since v1:
- remove unused macros, typos
- leverage ASYNC_TX_ENABLE_CHANNEL_SWITCH to maintain DMA descriptor list

Shun-Chih Yu (2):
dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller
bindings
dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for
MT6765 SoC

.../devicetree/bindings/dma/mtk-cqdma.txt | 31 +
drivers/dma/mediatek/Kconfig | 12 +
drivers/dma/mediatek/Makefile | 1 +
drivers/dma/mediatek/mtk-cqdma.c | 867 ++++++++++++++++++
4 files changed, 911 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/mtk-cqdma.txt
create mode 100644 drivers/dma/mediatek/mtk-cqdma.c