tpm(4)

tpm4

Trusted platform module device

Usage

tpm* at acpi?

Overview

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

Caveats

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

Releases

21 releases since OpenBSD 6.1; the text changed 1 time.

  1. 6.1–6.9
  2. 7.0–8.0

History

The tpm driver first appeared in OpenBSD 6.1.

Authors

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

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.