YKBEC(4) - Device Drivers Manual (loongson)

YKBEC(4) - Device Drivers Manual (loongson) #

YKBEC(4) - Device Drivers Manual (loongson)

NAME #

ykbec - Ene Technology KB3310B embedded controller chip

SYNOPSIS #

ykbec0 at isa?

DESCRIPTION #

The ykbec driver supports the Ene Technology KB3310B embedded controller chip found in the Lemote Yeeloong.

This chip provides general purpose I/O and handles several dedicated functions, including:

  • Fan control
  • Battery control
  • Button events
  • Power management
  • Lid state

Fan, battery, and lid information is made available via the sysctl(2) hardware sensor interface. Not all the device interfaces are supported under OpenBSD.

SEE ALSO #

intro(4), isa(4)

OpenBSD 7.5 - September 26, 2018