Linux Framebuffer drivers for small TFT LCD display modules. The module 'fbtft' makes writing drivers for some of these displays very easy.
Development is done on a Raspberry Pi running the Raspbian "wheezy" distribution.
sudo apt-get install bc
git clone --depth=1 https://github.com/raspberrypi/linux
cd linux
pushd .
cd drivers/video/fbdev
git clone https://github.com/alkass/fbtft.git
echo 'source "drivers/video/fbdev/fbtft/Kconfig"' >> Kconfig
echo 'obj-y += fbtft/' >> Makefile
popd
KERNEL=kernel7
make bcm2709_defconfig
make -j4 zImage modules dtbs
sudo make modules_install
sudo cp arch/arm/boot/dts/*.dtb /boot/
sudo cp arch/arm/boot/dts/overlays/*.dtb* /boot/overlays/
sudo cp arch/arm/boot/dts/overlays/README /boot/overlays/
sudo scripts/mkknlimg arch/arm/boot/zImage /boot/$KERNEL.img