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

intro(4), scmi(4)

# HISTORY

The `qccpucp` device driver first appeared in OpenBSD 7.7.

# AUTHORS

The `qccpucp` driver was written by Tobias Heider <tobhe@openbsd.org>.

November 19, 2024 | Debian