PCA954X(4D) Devices PCA954X(4D)

pca954xPCA 954X series I2C mux driver

The pca954x driver provides support for the PCA 954X series I2C switches and multiplexors. Instances of pca954x are part of the system's I2C framework and not manipulated directly, but are visible with i2cadm(8).

The following devices are currently supported by the driver:

/kernel/drv/amd64/pca954x
Device driver (x86)

i2cadm(8)

October 4, 2025 OmniOS