mfd: Add LPC driver for Intel ICH chipsets

This driver currently creates resources for use by a forthcoming ICH
chipset GPIO driver. It could be expanded to create the resources for
converting the esb2rom (mtd) and iTCO_wdt (wdt), and potentially more,
drivers to use the mfd model.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 11e44386fa9b..c6edba69678a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -748,6 +748,15 @@ config LPC_SCH
           LPC bridge function of the Intel SCH provides support for
           System Management Bus and General Purpose I/O.
 
+config LPC_ICH
+        tristate "Intel ICH LPC"
+        depends on PCI
+        select MFD_CORE
+        help
+          The LPC bridge function of the Intel ICH provides support for
+          many functional units. This driver provides needed support for
+          other drivers to control these functions, currently GPIO.
+
 config MFD_RDC321X
         tristate "Support for RDC-R321x southbridge"
         select MFD_CORE