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2013-04-04spi: mxs-spi: move to use generic DMA helperShawn Guo1-4/+8
With the generic DMA device tree helper supported by mxs-dma driver, client devices only need to call dma_request_slave_channel() for requesting a DMA channel from dmaengine. Since mxs is a DT only platform now, along with the changes, the non-DT case handling in probe function also gets removed. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-09-06spi/mxs: Make the SPI block clock speed configurable via DTMarek Vasut1-0/+4
Add "clock-frequency" property, which allows configuring the SPI block's base speed. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-17spi/mxs: Add SSP/SPI device tree documentationMarek Vasut1-0/+18
Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Chris Ball <cjb@laptop.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>