# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/timestamp/hardware-timestamps-common.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Hardware timestamp providers

maintainers:
  - Dipen Patel <dipenp@nvidia.com>

description:
  Some devices/SoCs have hardware timestamp engines (HTE) which can use
  hardware means to timestamp entity in realtime. The entity could be anything
  from GPIOs, IRQs, Bus and so on. The hardware timestamp engine present
  itself as a provider with the bindings described in this document.

properties:
  $nodename:
    pattern: "^timestamp(@.*|-([0-9]|[1-9][0-9]+))?$"

  "#timestamp-cells":
    description:
      Number of cells in a HTE specifier.

required:
  - "#timestamp-cells"

additionalProperties: true
