Welcome to My Linux Kernel Driver Documentation

• Building embedded linux system using mainline kernel for beaglebone black
  • ARM Cross Compiler Setup
• Hello World Driver
  • Introduction
  • Initialization and Exit
  • Module Information
  • module_init and module_exit
  • MODULE_LICENSE, MODULE_AUTHOR, and MODULE_DESCRIPTION
  • printk Messages
  • MODULE_LICENSE, MODULE_AUTHOR, and MODULE_DESCRIPTION
• Driver Installation and Configuration
  • Add entries to drivers/hellodriver/Kconfig:
  • Add entries to drivers/hellodriver/Makefile:
  • Create drivers/hellodriver/hello_driver.c:
  • Include drivers/hellodriver/Kconfig in the top-level drivers/Kconfig:
  • Modify the top-level drivers/Makefile:
  • Configure and build the kernel:
• Hello World Device tree
  • Introduction
  • Driver Code
  • Explanation
  • Device Tree Overlay
  • Explanation
  • Device Tree Directory Listing
  • Platform Driver Probing Process
  • Hello World Device tree with more properties
  • Device Tree Snippet
• GPIO Device Driver Documentation
  • C Code for the GPIO Device Driver
  • Device Tree Snippet for the GPIO Device
• Block Diagram Documentation
  • Device Tree Block Diagram
  • GPIO Block Diagram

Indices and tables

• Index

• Module Index

• Search Page