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- # SPDX-License-Identifier: GPL-2.0-only
- menuconfig HTE
- bool "Hardware Timestamping Engine (HTE) Support"
- help
- Hardware Timestamping Engine (HTE) Support.
- Some devices provide a hardware timestamping engine which can
- timestamp certain device lines/signals in realtime. It comes with a
- benefit for the applications needing accurate timestamping event with
- less jitter. This framework provides a generic interface to such HTE
- providers and consumer devices.
- If unsure, say no.
- if HTE
- config HTE_TEGRA194
- tristate "NVIDIA Tegra194 HTE Support"
- depends on (ARCH_TEGRA_194_SOC || COMPILE_TEST)
- depends on GPIOLIB
- help
- Enable this option for integrated hardware timestamping engine also
- known as generic timestamping engine (GTE) support on NVIDIA Tegra194
- systems-on-chip. The driver supports 352 LIC IRQs and 39 AON GPIOs
- lines for timestamping in realtime.
- config HTE_TEGRA194_TEST
- tristate "NVIDIA Tegra194 HTE Test"
- depends on (HTE_TEGRA194 || COMPILE_TEST)
- help
- The NVIDIA Tegra194 GTE test driver demonstrates how to use HTE
- framework to timestamp GPIO and LIC IRQ lines.
- endif
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