<file:Documentation/fb/pxafb.txt> describes the available parameters.
+config PXA3XX_GCU
+ tristate "PXA3xx 2D graphics accelerator driver"
+ depends on FB_PXA
+ help
+ Kernelspace driver for the 2D graphics controller unit (GCU)
+ found on PXA3xx processors. There is a counterpart driver in the
+ DirectFB suite, see http://www.directfb.org/
+
+ If you compile this as a module, it will be called pxa3xx_gcu.
+
config FB_MBX
tristate "2700G LCD framebuffer support"
depends on FB && ARCH_PXA