sm501: add gpiolib support
Add support for exporting the GPIOs on the SM501 via gpiolib.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Arnaud Patard <apatard@mandriva.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9f93c29..bac9e97 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -19,6 +19,14 @@
interface. The device may be connected by PCI or local bus with
varying functions enabled.
+config MFD_SM501_GPIO
+ bool "Export GPIO via GPIO layer"
+ depends on MFD_SM501 && HAVE_GPIO_LIB
+ ---help---
+ This option uses the gpio library layer to export the 64 GPIO
+ lines on the SM501. The platform data is used to supply the
+ base number for the first GPIO line to register.
+
config MFD_ASIC3
bool "Support for Compaq ASIC3"
depends on GENERIC_HARDIRQS && HAVE_GPIO_LIB && ARM