Documentation for device trees, a data structure by which bootloaders pass hardware layout to Linux in a device-independent manner, simplifying hardware probing. This subsystem is maintained by Grant Likely <grant.likely@secretlab.ca> and has a mailing list at https://lists.ozlabs.org/listinfo/devicetree-discuss 00-INDEX - this file booting-without-of.txt - Booting Linux without Open Firmware, describes history and format of device trees.