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Subject[PATCH v3 0/5] arm: aspeed: Add UART DMA support
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This patch serias adds the 8250 driver with DMA support for AST26xx UART devices

v3 change:
- add error check against dma_to_phys
- revise UDMA binding
- remove UDMA binding header
- remove redundant header inclusions of UDMA driver
- fix incorrect UDMA channel number (14->28)
- place UDMA kconfig in alphabetical order
- collect Acked-by tags

v2 change:
- re-write UDMA driver based on the DMAEngine framework
- re-write 8250_aspeed driver with DMA support based on the 8250_dma implementation
- remove virtual UART part as there is already a 8250_aspeed_vuart driver

Chia-Wei Wang (5):
dt-bindings: serial: 8250: Add aspeed,ast2600-uart
dt-bindings: dmaengine: Add AST2600 UDMA bindings
dmaengine: aspeed: Add AST2600 UART DMA driver
serial: 8250: Add AST2600 UART driver
ARM: dts: aspeed-g6: Add UDMA node

.../bindings/dma/aspeed,ast2600-udma.yaml | 56 ++
.../devicetree/bindings/serial/8250.yaml | 1 +
arch/arm/boot/dts/aspeed-g6.dtsi | 9 +
drivers/dma/Kconfig | 9 +
drivers/dma/Makefile | 1 +
drivers/dma/ast2600-udma.c | 534 ++++++++++++++++++
drivers/tty/serial/8250/8250_aspeed.c | 224 ++++++++
drivers/tty/serial/8250/Kconfig | 8 +
drivers/tty/serial/8250/Makefile | 1 +
9 files changed, 843 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/aspeed,ast2600-udma.yaml
create mode 100644 drivers/dma/ast2600-udma.c
create mode 100644 drivers/tty/serial/8250/8250_aspeed.c

--
2.25.1

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