Hello Harish,
We have a tool, named IOMUX Tool, which has a description of the Mux options and the description of the PINS. For more details you need to access the Reference Manual for the specific module that you want to attach to the device.
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX6Q&fpsp=1&tab=Design_Tools_Tab
Have a great day,
Jaime
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