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3 Commits

Author SHA1 Message Date
Geert Uytterhoeven 9c5de2c175 spi: rspi: Remove unused 16-bit DMA support 
The 16-bit DMA support doesn't fit well within the SPI core DMA framework,
as it needs to manage its own double-sized temporary buffers, for handling
the interleaved data.
Remove it, as there is no in-tree board code that sets
rspi_plat_data.dma_width_16bit.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2014-06-02 15:49:32 +01:00
Hiep Cao Minh 5ce0ba8865 spi: rcar: add Renesas QSPI support on RSPI 
The R8A7790 has QSPI module which is very similar to RSPI.
This patch adds into RSPI module together to supports QSPI module.

Signed-off-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Mark Brown <broonie@linaro.org>
 2013-09-17 00:22:50 +01:00
Shimoda, Yoshihiro a3633fe7aa spi/rspi: add dmaengine support 
This patch adds dmaengine supporting using sh_dma driver. The module
receives data by DMAC, it also needs TX DMAC to generate SPI's clocks.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
 2012-05-19 22:37:16 -06:00