spi: tegra: add spi driver for sflash controller
NVIDIA's Tegra20 have the SPI (SFLASH) controller to
interface with spi flash device which is used for system
boot. Add the spi driver for this controller.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 25290d9..3cbc9fb 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -385,6 +385,14 @@
help
SPI driver for Freescale MXS devices.
+config SPI_TEGRA20_SFLASH
+ tristate "Nvidia Tegra20 Serial flash Controller"
+ depends on ARCH_TEGRA
+ help
+ SPI driver for Nvidia Tegra20 Serial flash Controller interface.
+ The main usecase of this controller is to use spi flash as boot
+ device.
+
config SPI_TEGRA20_SLINK
tristate "Nvidia Tegra20/Tegra30 SLINK Controller"
depends on ARCH_TEGRA && TEGRA20_APB_DMA