Deepin Linux

Aug 4, 2026 · Fundamentals

Understanding Linux I2C Framework: A Layered Kernel Subsystem Walkthrough

This article provides a comprehensive analysis of the Linux I2C framework, detailing its physical bus characteristics, protocol specifics, comparison with SMBus, and the multi‑layer kernel architecture—including hardware, adapter, core, and driver layers—culminating in a step‑by‑step MPU6050 driver implementation and testing guide.