spi: sunxi: Add Allwinner A31 SPI controller driver

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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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Maxime Ripard 2014-02-05 14:05:05 +01:00 • committed by Mark Brown

parent 38dbfb59d1

commit 3558fe900e

4 changed files with 514 additions and 0 deletions

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24

Documentation/devicetree/bindings/spi/spi-sun6i.txt

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6

drivers/spi/Kconfig

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1

drivers/spi/Makefile

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483

drivers/spi/spi-sun6i.c

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