Adding module to romfs_list and using gpio driver from user space

I am progressing pretty good. Now I am stuck with two

1. Loading driver for my custom device

I have added the code linux2.6/drivers/projectx directory, modified the make file and Kconfig file. The test driver is compiled and driverx.o has been created in uClinux-dist/linux-2.6x/drivers/projectx.

I want to load this module with modprobe or insmod, But this getting loaded to zImage. I checked device_table.txt, But i did not understand how to add. I have checked the Module_programming article in wiki but it did not explain how to add to romfs_list.

I was able to do for a normal application with romfs target in Makefile.

2. Is there any way to access gpio driver from user space?