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Linux Device Drivers Development: Develop customized drivers for embedded Linux
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About Linux Device Drivers Development: Develop
Product Description Key Features Learn to develop customized Linux device drivers Learn the core concepts of device drivers such as memory management, kernel caching, advanced IRQ management, and so on. Practical experience on the embedded side of Linux 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 to 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 About the Author John Madieu is an embedded Linux and kernel engineer living in France, in Paris. His main activities consist of developing drivers and Board Support Packages (BSP) for companies in domains such as automation, transport, healthcare, energy, and the military. John works at EXPEMB, a French company that is a pioneer in electronical board design based on computer-on-module, and in embedded Linux solutions. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that one learns more. He is passionate about boxing, which he practised for 6 years professionally, and continues to transmit this passion through sessions of training that he provides voluntarily. 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 About the Author John Madieu is an embedded Linux and kernel engineer living in France, in Paris. His main activities consist of developing drivers and Board Support Packages (BSP) for companies in domains such as automation, transport, healthcare, energy, and the military. John works at EXPEMB, a French company that is a pioneer in electronical board design based on computer-on-module, and in embedded Linux solutions. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that one learns more. He is passionate about boxing, which he practised for 6 years professionally, and continues to transmit this passion through sessions of training that he provides voluntarily.
