blob: 87bce0692129f3c59e6c32d1ac287004b8db2d94 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-mmio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MMIO-accessed Trusted Platform Module conforming to TCG TIS specification
maintainers:
- Lukas Wunner <lukas@wunner.de>
description: |
The Trusted Computing Group (TCG) has defined a multi-vendor standard
for accessing a TPM chip. It can be transported over various buses,
one of them being LPC (via MMIO). The standard is named:
TCG PC Client Specific TPM Interface Specification (TIS)
https://trustedcomputinggroup.org/resource/pc-client-work-group-pc-client-specific-tpm-interface-specification-tis/
properties:
compatible:
items:
- enum:
- at97sc3201
- atmel,at97sc3204
- socionext,synquacer-tpm-mmio
- const: tcg,tpm-tis-mmio
reg:
description:
location and length of the MMIO registers, length should be
at least 0x5000 bytes
allOf:
- $ref: tpm-common.yaml#
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
tpm@90000 {
compatible = "atmel,at97sc3204", "tcg,tpm-tis-mmio";
reg = <0x90000 0x5000>;
interrupt-parent = <&EIC0>;
interrupts = <1 2>;
};
|
