QCCPUCP(4)
Device Drivers Manual
QCCPUCP(4)
NAME
qccpucp —
Qualcomm CPUCP mailbox
controller
SYNOPSIS
qccpucp* at fdt?
DESCRIPTION
The qccpucp handles communication with the
Qualcomm CPUSS Control Processor. It is used as a doorbell for CPU frequency
management via scmi(4) on
Qualcomm Snapdragon X Elite devices.
SEE ALSO
HISTORY
The qccpucp device driver first appeared
in OpenBSD 7.7.
AUTHORS
The qccpucp driver was written by
Tobias Heider
<tobhe@openbsd.org>.
OpenBSD 7.8
November 19, 2024
QCCPUCP(4)