The devicetree is a data structure for describing hardware. Rather than hard coding every detail of a device into an operating system, many aspects of the hardware can be described in a data structure that is passed to the operating system at boot time. The devicetree is used by OpenFirmware, OpenPOWER Abstraction Layer (OPAL), Power Architecture Platform Requirements (PAPR) and in the standalone Flattened Device Tree (FDT) form. The devicetree specification provides a full technical description of the devicetree data format and best practices.

DeviceTree 64位版本，支持目前为止所有的64位操作系统

device-tree-xlnx-xilinx-v2016.3.zip SDK --> Xilinx tools --> Repositories --> 添加device-tree-xlnx。

devicetree-specification-v0.3.pdf

Version:2.21 Os Support:XP(x86,use srv2003 x64),Server 2003(x86,x64),Windows Vista(x86,x64),W2K8(x86,x64),Win7(x86,x64,a64) Date Updated:2009/07/22 Author:OSR

驱动开发，内核工具，调试工具，DeviceTree，Irptracker，KMDF，PNP，WDM； OSR上存档的所有驱动开发调试工具，包含（工具exe，各个工具说明html页面） DeviceTree.exe，DiskView.exe，IrpTracker.exe，Filterman.exe，PhysMem.exe，PoolTag.exe等共25个

aspeed2500的设备树文件

aspeed-2500的通用配置设备树文件

设备树dtb文件格式对应关系

该资源包含最新官方的devicetree-specification-v0.3.pdf文档，以及petazzoni-device-tree-dummies.pdf文档，其内容格式与讲解比较详细，缺点就是该资料为全英文，所以理解起来有一定的困难，忘好心的网友将其翻译成中文，一起学习。 目前设备树系统学习的资料较少，而官方文档却成了我们不可或缺的选择之一。