# 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 Devices

maintainers:
  - Johannes Holland <johannes.holland@infineon.com>

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

properties:
  $nodename:
    pattern: "^tpm(@[0-9a-f]+)?$"

  compatible:
    oneOf:
      - description: Infineon's Trusted Platform Module (TPM) (SLB9673).
        items:
          - const: infineon,slb9673
          - const: tcg,tpm-tis-i2c
      - description: Nuvoton's Trusted Platform Module (TPM) (NPCT75x).
        items:
          - const: nuvoton,npct75x
          - const: tcg,tpm-tis-i2c
      - const: tcg,tpm-tis-i2c
  reg:
    maxItems: 1

required:
  - compatible
  - reg

additionalProperties: false

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

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