Documentation/devicetree/bindings/security/tpm/tpm-tis-i2c.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/security/tpm/tpm-tis-i2c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: I2C PTP based TPM Device Tree Bindings

maintainers:
  - Amir Mizinski <amirmizi6@gmail.com>

description:
  Device Tree Bindings for I2C based Trusted Platform Module(TPM).

properties:
  compatible:
    items:
      - enum:
          # Nuvoton's Trusted Platform Module (TPM) (NPCT75x)
          - nuvoton,npct75x
      - const: tcg,tpm-tis-i2c

  reg:
    maxItems: 1

  interrupt:
    maxItems: 1

  crc-checksum:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      Set this flag to enable CRC checksum.

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      tpm@2e {
        compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c";
        reg = <0x2e>;
        crc-checksum;
      };
    };
...