mfd: Add cs5535-mfd driver for AMD Geode's CS5535/CS5536 support

Add an MFD driver to handle the ISA device on CS5535 and CS5536
southbridges. This ISA bridge is actually multiple devices: GPIOs,
MFGPTs, etc.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index da9d2971102e..b5e3e09f5637 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -537,6 +537,14 @@ config AB3550_CORE
           LEDs, vibrator, system power and temperature, power management
           and ALSA sound.
 
+config MFD_CS5535
+        tristate "Support for CS5535 and CS5536 southbridge core functions"
+        select MFD_CORE
+        depends on PCI
+        ---help---
+          This is the core driver for CS5535/CS5536 MFD functions.  This is
+          necessary for using the board's GPIO and MFGPT functionality.
+
 config MFD_TIMBERDALE
         tristate "Support for the Timberdale FPGA"
         select MFD_CORE