I believe this is what you are looking for
https://github.com/adafruit/adafruit-raspberrypi-linux
Type: Posts; User: nieldk
I believe this is what you are looking for
https://github.com/adafruit/adafruit-raspberrypi-linux
I believe (looking at the automatic script to create the image), that you will find the kernel sources here
https://github.com/adafruit/adafruit-raspberrypi-linux