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2018-08-29spi: Introduce one new field to set word delayBaolin Wang1-0/+3
For some SPI controllers, after each word size (specified by bits_per_word) transimission, the hardware need some delay to make sure the slave has enough time to receive the whole data. So introducing one new 'word_delay' field of struct spi_tansfer for slave devices to set this inter word delay time. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-08-28spi: sh-msiof: Add r8a774a1 supportFabrizio Castro1-1/+2
Document RZ/G2M (R8A774A1) SoC bindings. Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com> Reviewed-by: Biju Das <biju.das@bp.renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-08-28spi: sprd: Add SPI driver for Spreadtrum SC9860Lanqing Liu3-0/+752
This patch adds the SPI controller driver for Spreadtrum SC9860 platform. Signed-off-by: Lanqing Liu <lanqing.liu@spreadtrum.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>