Specifying interrupt information for devices ============================================ 1) Interrupt client nodes ------------------------- Nodes that describe devices which generate interrupts must contain an "interrupts" property, an "i…
http://elinux.org/Device_Tree_Usage Device Tree Usage Top Device Tree page This page walks through how to write a device tree for a new machine. It is intended to provide an overview of device tree concepts and how they are used to describe a mac…
Basic Data Format The device tree is a simple tree structure of nodes and properties. Properties are key-value pairs, and node may contain both properties and child nodes. For example, the following is a simple tree in the .dts format: / { node1 { a-…
转自:http://blog.chinaunix.net/uid-20522771-id-3457184.html 原文链接:http://devicetree.org/Device_Tree_Usage#How_Interrupts_Work Device Tree Usage 设备树使用手册 This page walks through how to write a device tree for a new machine. It is intended to provide an…
http://blog.csdn.net/21cnbao/article/details/8457546 宋宝华 Barry Song <21cnbao@gmail.com> 1. ARM Device Tree起源 Linus Torvalds在2011年3月17日的ARM Linux邮件列表宣称“this whole ARM thing is a f*cking pain in the ass”,引发ARM Linux社区的地震,随后ARM社区进行了一系列的重大修正.在过去的ARM…
1. ARM Device Tree起源 Linus Torvalds在2011年3月17日的ARM Linux邮件列表宣称“this whole ARM thing is a f*cking pain in the ass”,引发ARM Linux社区的地震,随后ARM社区进行了一系列的重大修正.在过去的ARM Linux中,arch/arm/plat-xxx和arch/arm/mach-xxx中充斥着大量的垃圾代码,相当多数的代码只是在描述板级细节,而 这些板级细节对于内核来讲,不过是垃圾,…
1. ARM Device Tree起源 http://blog.csdn.net/21cnbao/article/details/8457546 Linus Torvalds在2011年3月17日的ARM Linux邮件列表宣称“this whole ARM thing is a f*cking pain in the ass”,引发ARM Linux社区的地震,随后ARM社区进行了一系列的重大修正.在过去的ARM Linux中,arch/arm/plat-xxx和arch/arm/ma…
原文网址:http://blog.csdn.net/21cnbao/article/details/8457546 1. ARM Device Tree起源 Linus Torvalds在2011年3月17日的ARM Linux邮件列表宣称“this whole ARM thing is a f*cking pain in the ass”,引发ARM Linux社区的地震,随后ARM社区进行了一系列的重大修正.在过去的ARM Linux中,arch/arm/plat-xxx和arch/a…
转自:http://blog.csdn.net/21cnbao/article/details/8457546 宋宝华 Barry Song <21cnbao@gmail.com> 1. ARM Device Tree起源 Linus Torvalds在2011年3月17日的ARM Linux邮件列表宣称“this whole ARM thing is a f*cking pain in the ass”,引发ARM Linux社区的地震,随后ARM社区进行了一系列的重大修正.在过去的A…
来之\kernel\Documentation\devicetree\usage-model.txt Linux and the Device Tree -------------------------The Linux usage model for device tree data Author: Grant Likely <grant.likely@secretlab.ca> This article describes how Linux uses the device tree.…
//Based on Linux v3.14 source code Linux设备树机制(Device Tree) 一.描述 ARM Device Tree起源于OpenFirmware (OF),在过去的Linux中,arch/arm/plat-xxx和arch/arm/mach-xxx 中充斥着大量的垃圾代码,相当多数的代码只是在描述板级细节,而这些板级细节对于内核来讲,不过是垃圾,如板上的platform设备. resource.i2c_board_info.spi_board_info…