| # 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 |