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What is the most up-to-date reference for understanding the device tree binary and how it is built?

Question asked by Ed Sutter on Nov 11, 2013
Latest reply on Nov 12, 2013 by Fabio Estevam

I'm running with SABRESDB in preparation for my custom hardware.

My custom hardware core is similar to SABRESDB; but I still wanna make sure I know how to build/modify the .dtb file.

I'm currently reading through the kernel's Documentation/devicetree/usage-mode.txt and also,

are these documentation sources the correct place to be reading up on the FDT stuff used with iMX6/SabreSDB or is there

additional/other places to get better acquainted with this?

Thanks in advance,




Perhaps a more fundamental question is: will I need to modify the .dts file for custom iMX6 hardware or is this file something that describes the SOC/CPU and its IO independent of the circuitry around the SOC?