menuconfig I3C tristate "I3C support" select I2C help I3C is a serial protocol standardized by the MIPI alliance. It's supposed to be backward compatible with I2C while providing support for high speed transfers and native interrupt support without the need for extra pins. The I3C protocol also standardizes the slave device types and is mainly designed to communicate with sensors. If you want I3C support, you should say Y here and also to the specific driver for your bus adapter(s) below. config I3C_SANDBOX bool "Enable support for the sandbox I3C" help This is a sandbox I3C used for testing. It provides 2 interfaces and records the settings passed into it. if I3C source "drivers/i3c/master/Kconfig" endif # I3C