spi: tegra: add spi driver for SLINK controller

Tegra20/Tegra30 supports the spi interface through its SLINK
controller. Add spi driver for SLINK controller.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 1acae359cabe..25290d9780b2 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -385,6 +385,12 @@ config SPI_MXS
         help
           SPI driver for Freescale MXS devices.
 
+config SPI_TEGRA20_SLINK
+        tristate "Nvidia Tegra20/Tegra30 SLINK Controller"
+        depends on ARCH_TEGRA && TEGRA20_APB_DMA
+        help
+          SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface.
+
 config SPI_TI_SSP
         tristate "TI Sequencer Serial Port - SPI Support"
         depends on MFD_TI_SSP