RPIRTC(4) Device Drivers Manual (arm64) RPIRTC(4)

rpirtcRaspberry Pi real-time clock

rpirtc* at fdt?

The rpirtc driver provides support for the firmware-managed real-time clock found in the Raspberry Pi 5.

intro(4)

The rpirtc driver first appeared in OpenBSD 7.8.

The rpirtc driver was written by Mark Kettenis <kettenis@openbsd.org>.

OpenBSD 7.8 August 24, 2025 RPIRTC(4)