petazzoni-device-tree-dummies.pdf

Device Tree files are not monolithic, they can be split in several files, including each other. .dtsi files are included files, while .dts files are final Device Trees Typically, .dtsi will contain definition of SoC-level information (or sometimes definitions common to several almost identical boards). The .dts file contains the board-level information. The inclusion works by overlaying the tree of the including file over the tree of the included file. Inclusion using the DT operator......