ISPI(4) Device Drivers Manual ISPI(4)

ispiIntel LPSS SPI controller

ispi* at acpi?
ispi* at pci?

The ispi driver supports the Serial Peripheral Interface (SPI) controller included in the Intel Low-Power Subsystem (LPSS).

acpi(4), pci(4)

The ispi device driver first appeared in OpenBSD 7.9.

OpenBSD 7.9 April 13, 2026 ISPI(4)