[PATCH 0/4] add uart DMA function

Long Cheng
2017-02-16T11:07:27Z

In Mediatek SOCs, the uart can support DMA function.
Base on DMA engine formwork, we add the DMA code to support uart. And put the code under drivers/dma.

This series contains document bindings, Kconfig to control the function enable or not,
device tree including interrupt and dma device node, the code of UART DMA function.

Long Cheng (4):
dt-bindings: dma: uart: add uart dma bindings
dmaengine: mtk_uart_dma: add Mediatek uart DMA support
serial: 8250-mtk: add uart DMA support
arm: dts: mt2701: add uart APDMA to device tree

.../devicetree/bindings/dma/mtk_uart_dma.txt | 32 +
arch/arm/boot/dts/mt2701-evb.dts | 22 +
arch/arm/boot/dts/mt2701.dtsi | 29 +
drivers/dma/Kconfig | 9 +
drivers/dma/Makefile | 1 +
drivers/dma/mtk_uart_dma.c | 955 ++++++++++++++++++++
drivers/tty/serial/8250/8250_mtk.c | 194 +++-
7 files changed, 1241 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/dma/mtk_uart_dma.txt
create mode 100644 drivers/dma/mtk_uart_dma.c

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1.7.9.5

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