Linux Device Drivers Development
Develop customized drivers for embedded Linux
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Develop Linux device drivers from scratch, with hands-on guidance focused on embedded systems, covering key subsystems like I2C, SPI, GPIO, IRQ, and DMA for real-world hardware integration using kernel 4.13 Key Features: - Develop custom drivers for I2C, SPI, GPIO, RTC, and input devices using modern Linux kernel APIs - Learn memory management, IRQ handling, DMA, and the device tree through hands on examples - Explore embedded driver development with platform drivers, regmap, and IIO frameworks Book Description: Linux kernel is a complex, portable, modular and widely used piece of software, ru...
Develop Linux device drivers from scratch, with hands-on guidance focused on embedded systems, covering key subsystems like I2C, SPI, GPIO, IRQ, and DMA for real-world hardware integration using kernel 4.13 Key Features: - Develop custom drivers for I2C, SPI, GPIO, RTC, and input devices using modern Linux kernel APIs - Learn memory management, IRQ handling, DMA, and the device tree through hands on examples - Explore embedded driver development with platform drivers, regmap, and IIO frameworks Book Description: Linux kernel is a complex, portable, modular and widely used piece of software, running on around 80% of servers and embedded systems in more than half of devices throughout the World. Device drivers play a critical role in how well a Linux system performs. As Linux has turned out to be one of the most popular operating systems used, the interest in developing proprietary device drivers is also increasing steadily. This book will initially help you understand the basics of drivers as well as prepare for the long journey through the Linux Kernel. This book then covers drivers development based on various Linux subsystems such as memory management, PWM, RTC, IIO, IRQ management, and so on. The book also offers a practical approach on direct memory access and network device drivers. By the end of this book, you will be comfortable with the concept of device driver development and will be in a position to write any device driver from scratch using the latest kernel version (v4.13 at the time of writing this book). What You Will Learn: - Use kernel facilities to develop powerful drivers - Develop drivers for widely used I2C and SPI devices and use the regmap API - Write and support devicetree from within your drivers - Program advanced drivers for network and frame buffer devices - Delve into the Linux irqdomain API and write interrupt controller drivers - Enhance your skills with regulator and PWM frameworks - Develop measurement system drivers with IIO framework - Get the best from memory management and the DMA subsystem - Access and manage GPIO subsystems and develop GPIO controller drivers Who this book is for: This book is ideal for embedded systems developers, engineers, and Linux enthusiasts who want to learn how to write device drivers from scratch. Whether you're new to kernel development or looking to deepen your understanding of subsystems like I2C, SPI, and IRQs, this book provides practical, real-world instructions tailored for working with embedded Linux platforms. Foundational knowledge of C and basic Linux concepts is recommended. Table of Contents - Introduction to Kernel Development - Device Driver Basis - Kernel Facilities and Helper Functions - Character Device Drivers - Platform Device Drivers - The Concept of Device Tree - I2C Client Drivers - SPI Device Drivers - Regmap API - A Register Map Abstraction - IIO Framework - Kernel Memory Management - DMA - Direct Memory Access - Linux Device Model - Pin Control and GPIO Subsystem - GPIO Controller Drivers - gpio_chip - Advanced IRQ Management - Input Devices Drivers - RTC Drivers - PWM Drivers - Regulator Framework - Framebuffer Drivers - Network Interface Card Drivers
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