I have just written an SPI driver for the Gumstix Overo Kernel 2.6.32 as a kernel module which talks to IMU unit that we are integrating with. Currently it is working as expected however I am just using CS0 on the SPI1 bus. To fully utilise this device we need to drive 3 chip select lines, however it appears that there are only 2 available.
Is there any way I can use SPI1_NIRQ as a fake GPIO driven SPI1_CS2? As this would solve my problem I believe.