1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/tpm/microso
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Microsoft firmware-based Trusted Platfo
8
9 maintainers:
10 - Thirupathaiah Annapureddy <thiruan@microsof
11 - Sasha Levin <sashal@kernel.org>
12
13 description: |
14 Commodity CPU architectures, such as ARM and
15 offer trusted computing features in their CP
16 trusted hardware. Unfortunately, these CPU
17 challenges to building trusted systems becau
18 resources outside the CPU perimeter.
19
20 Microsoft's firmware-based TPM 2.0 (fTPM) le
21 these challenges and provide software with s
22 those of dedicated trusted hardware.
23
24 https://www.microsoft.com/en-us/research/pub
25 https://github.com/Microsoft/ms-tpm-20-ref/t
26
27 properties:
28 compatible:
29 const: microsoft,ftpm
30
31 required:
32 - compatible
33 - linux,sml-base
34 - linux,sml-size
35
36 allOf:
37 - $ref: tpm-common.yaml#
38
39 unevaluatedProperties: false
40
41 examples:
42 - |
43 tpm {
44 compatible = "microsoft,ftpm";
45 linux,sml-base = <0x0 0xc0000000>;
46 linux,sml-size = <0x10000>;
47 };
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