Summary
In this chapter, we looked at I2C device drivers. Now, it's time for you to pick any I2C device on the market and write the corresponding driver, along with the necessary device tree support. This chapter talked about the kernel I2C core and its associated API, including device tree support, to give you the necessary skills to talk with I2C devices. You should now be able to write efficient probe functions and register them with the kernel I2C core.
In the next chapter, we will use the skills we have learned in this chapter to develop an SPI device driver.
