We don't have any software or libraries for the Raspberry Pi "in the oven" at the moment.
Depending on your comfort-level with writing the low-level bitbang-y stuff, there's no reason why this shouldn't be possible in principle
...the interface is a simple SPI-like thing. The voltage levels are different, so just watch your step there, but usually there's not a problem talking to 5V inputs from a 3.3V device.
Some Raspberry Pi GPIO tutorials
have been popping up lately