1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/timestamp/hardware-timestamps-common.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Hardware timestamp providers 8 9 maintainers: 10 - Dipen Patel <dipenp@nvidia.com> 11 12 description: 13 Some devices/SoCs have hardware timestamp engines (HTE) which can use 14 hardware means to timestamp entity in realtime. The entity could be anything 15 from GPIOs, IRQs, Bus and so on. The hardware timestamp engine present 16 itself as a provider with the bindings described in this document. 17 18 properties: 19 $nodename: 20 pattern: "^timestamp(@.*|-([0-9]|[1-9][0-9]+))?$" 21 22 "#timestamp-cells": 23 description: 24 Number of cells in a HTE specifier. 25 26 required: 27 - "#timestamp-cells" 28 29 additionalProperties: true
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