Richard,
If only regrading to driver level, here's related kernel source code on MX6 MIPI support, incluing display and camera:
MIPI camera:
include/linux/mipi_csi2.h
drivers/mxc/mipi/mxc_mipi_csi2.c
drivers/mxc/mipi/mxc_mipi_csi2.h
drivers/media/platform/mxc/capture/ov5640_mipi.c
MIPI display:
drivers/video/mxc/mipi_dsi.h
drivers/video/mxc/mipi_dsi.c