spi: sunxi: Add Allwinner A31 SPI controller driver
The Allwinner A31 has a new SPI controller IP compared to the older Allwinner SoCs. It supports DMA, but the driver only does PIO for now, and DMA will be supported eventually. Signed-off-by:Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
Mark Brown <broonie@linaro.org>
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- Documentation/devicetree/bindings/spi/spi-sun6i.txt 24 additions, 0 deletionsDocumentation/devicetree/bindings/spi/spi-sun6i.txt
- drivers/spi/Kconfig 6 additions, 0 deletionsdrivers/spi/Kconfig
- drivers/spi/Makefile 1 addition, 0 deletionsdrivers/spi/Makefile
- drivers/spi/spi-sun6i.c 483 additions, 0 deletionsdrivers/spi/spi-sun6i.c
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