spi: Add SPI master controller for OCTEON SOCs.

Add the driver, link it into the kbuild system and provide device tree
binding documentation.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Patchwork: http://patchwork.linux-mips.org/patch/4292/
Signed-off-by: John Crispin <blogic@openwrt.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 5f84b5563c2d..d654f88f4cfb 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -237,6 +237,13 @@ config SPI_OC_TINY
         help
           This is the driver for OpenCores tiny SPI master controller.
 
+config SPI_OCTEON
+        tristate "Cavium OCTEON SPI controller"
+        depends on CPU_CAVIUM_OCTEON
+        help
+          SPI host driver for the hardware found on some Cavium OCTEON
+          SOCs.
+
 config SPI_OMAP_UWIRE
         tristate "OMAP1 MicroWire"
         depends on ARCH_OMAP1