TPM(4) Device Drivers Manual TPM(4)

tpmTrusted Platform Module device

tpm* at acpi?

The tpm driver supports devices implementing the TPM Interface Spec 1.2.

Supported devices include:

  • Atmel 97SC3203
  • Broadcom BCM0102
  • Infineon IFX SLD 9630 TT 1.1 and IFX SLB 9635 TT 1.2
  • Intel INTC0102
  • Sinosun SNS SSX35
  • STM ST19WP18
  • Winbond WEC WPCT200

The tpm driver first appeared in OpenBSD 6.1.

The tpm driver was initially written by Michael Shalayeff and Hans-Joerg Hoexer.

Functionality is limited to instructing the device to save its state before a system suspend.

September 12, 2021 OpenBSD 7.5