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/linux/Documentation/devicetree/bindings/tpm/
H A Dtpm-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/tpm/tpm-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lukas Wunner <lukas@wunner.de>
14 pattern: '^tpm(@[0-9a-f]+)?$'
23 linux,sml-base:
25 base address of reserved memory allocated for firmware event log
28 linux,sml-size:
33 memory-region:
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H A Dmicrosoft,ftpm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microsoft firmware-based Trusted Platform Module (fTPM)
10 - Thirupathaiah Annapureddy <thiruan@microsoft.com>
11 - Sasha Levin <sashal@kernel.org>
20 Microsoft's firmware-based TPM 2.0 (fTPM) leverages ARM TrustZone to overcome
24 https://www.microsoft.com/en-us/research/publication/ftpm-software-implementation-tpm-chip/
25 https://github.com/Microsoft/ms-tpm-20-ref/tree/main/Samples/ARM32-FirmwareTPM
32 - compatible
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H A Dibm,vtpm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nayna Jain <nayna@linux.ibm.com>
23 - IBM,vtpm
24 - IBM,vtpm20
30 - IBM,vtpm
31 - IBM,vtpm20
36 ibm,#dma-address-cells:
39 dma-window properties
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H A Dtcg,tpm-tis-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: I²C-attached Trusted Platform Module conforming to TCG TIS specification
10 - Lukas Wunner <lukas@wunner.de>
13 The Trusted Computing Group (TCG) has defined a multi-vendor standard
17 …tps://trustedcomputinggroup.org/resource/pc-client-work-group-pc-client-specific-tpm-interface-spe…
22 https://trustedcomputinggroup.org/resource/pc-client-platform-tpm-profile-ptp-specification/
25 vendor-specific I²C interface.
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/linux/drivers/char/tpm/eventlog/
H A Dof.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
30 rc = of_reserved_mem_region_to_resource(chip->dev.parent->of_node, 0, &res); in tpm_read_log_memory_region()
34 chip->log.bios_event_log = devm_memremap(&chip->dev, res.start, resource_size(&res), in tpm_read_log_memory_region()
36 if (IS_ERR(chip->log.bios_event_log)) in tpm_read_log_memory_region()
37 return -ENOMEM; in tpm_read_log_memory_region()
39 chip->log.bios_event_log_end = chip->log.bios_event_log + resource_size(&res); in tpm_read_log_memory_region()
41 return chip->flags & TPM_CHIP_FLAG_TPM2 ? EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 : in tpm_read_log_memory_region()
52 u64 base; in tpm_read_log_of() local
54 log = &chip->log; in tpm_read_log_of()
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