Samsung SPI driver now uses the generic SPI "cs-gpios"
binding so update the documentation accordingly.
Signed-off-by: NNaveen Krishna Chatradhi <ch.naveen@samsung.com>
[javier.martinez@collabora.co.uk: split changes and improve commit message]
Signed-off-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NMark Brown <broonie@linaro.org>

Samsung SPI driver uses generic DMA bindings. Update the documentation
accordingly.
Signed-off-by: NSachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: NMark Brown <broonie@linaro.org>

With device core now able to setup the default pin configuration,
the pin configuration code based on the deprecated Samsung specific
gpio bindings is removed.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NDoug Anderson <dianders@chromium.org>
Tested-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NGrant Likely <grant.likely@linaro.org>

Bindings for DMA channels are still under discussion and will
change once this has been resolved. Therefore we mark them
the newly added ones as preliminary. Let's hope nobody starts
relying on them...
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Add support for device based discovery.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NJaswinder Singh <jaswinder.singh@linaro.org>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>