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OpenCloudOS-Kernel
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3 Commits

Author SHA1 Message Date
Axel Lin 743a46b89a spi: sun6i: Set bits_per_word_mask to only support 8 bits word length 
This controller only supports 8 bits word length.
Set bits_per_word_mask so spi core will reject transfers that attempt to use
an unsupported bits_per_word value.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-03-04 11:08:06 +08:00
Axel Lin d31ad46f58 spi: sun6i: Fix define for SUN6I_TFR_CTL_CS_MASK 
Current code in sun6i_spi_set_cs() actually clears CPHA and CPOL bits which is
obvious wrong. The define for SUN6I_TFR_CTL_CS_MASK is wrong. Fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-02-16 09:11:05 +08:00
Maxime Ripard 3558fe900e 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>
 2014-02-05 14:58:36 +00:00