The page describes the configuration process and usage of the U-Boot i2c driver used on Zynq-7000 and Zynq Ultrascale+.
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The I2C module is a bus controller that can function as a master or a slave in a multi-master design. It supports a wide clock frequency range up to 400 Kb/s. The controller supports multi-master mode for 7-bit and extended addressing modes.