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I2C/SMBus Subsystem

Introduction

• Introduction to I2C and SMBus
• The I2C Protocol
• The SMBus Protocol
• How to instantiate I2C devices
• I2C Bus Drivers
• I2C muxes and complex topologies
• Kernel driver i2c-mux-gpio
• Linux I2C Sysfs
• I2C Address Translators

Writing device drivers

• Implementing I2C device drivers
• Implementing I2C device drivers in userspace
• Linux I2C and DMA
• I2C/SMBUS Fault Codes
• I2C/SMBus Functionality

Debugging

• Linux I2C fault injection
• i2c-stub

Slave I2C

• Linux I2C slave interface description
• Linux I2C slave EEPROM backend
• Linux I2C slave testunit backend

Advanced topics

• I2C Ten-bit Addresses

Legacy documentation

• I2C device driver binding control from user-space in old kernels