[ARM] 5546/1: ARM PL022 SSP/SPI driver v3

This adds a driver for the ARM PL022 PrimeCell SSP/SPI
driver found in the U300 platforms as well as in some
ARM reference hardware, and in a modified version on the
Nomadik board.

Reviewed-by: Alessandro Rubini <rubini-list@gnudd.com>
Reviewed-by: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 7c61251bea6..8e7c17e4461 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -171,6 +171,15 @@ config SPI_ORION
         help
           This enables using the SPI master controller on the Orion chips.
 
+config SPI_PL022
+        tristate "ARM AMBA PL022 SSP controller (EXPERIMENTAL)"
+        depends on ARM_AMBA && EXPERIMENTAL
+        default y if MACH_U300
+        help
+          This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
+          controller. If you have an embedded system with an AMBA(R)
+          bus and a PL022 controller, say Y or M here.
+
 config SPI_PXA2XX
         tristate "PXA2xx SSP SPI master"
         depends on ARCH_PXA && EXPERIMENTAL