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/freebsd/sys/contrib/device-tree/Bindings/security/tpm/
H A Dst33zp24-i2c.txt1 * STMicroelectronics SAS. ST33ZP24 TPM SoC
4 - compatible: Should be "st,st33zp24-i2c".
5 - clock-frequency: I²C work frequency.
6 - reg: address on the bus
8 Optional ST33ZP24 Properties:
9 - interrupts: GPIO interrupt to which the chip is connected
10 - lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state.
14 - pinctrl-names: Contains only one value - "default".
15 - pintctrl-0: Specifies the pin control groups used for this controller.
17 Example (for ARM-based BeagleBoard xM with ST33ZP24 on I2C2):
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/freebsd/sys/contrib/device-tree/Bindings/tpm/
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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