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1# SPDX-License-Identifier: GPL-2.0-only2menuconfig HTE3 bool "Hardware Timestamping Engine (HTE) Support"4 help5 Hardware Timestamping Engine (HTE) Support.6 7 Some devices provide a hardware timestamping engine which can8 timestamp certain device lines/signals in realtime. It comes with a9 benefit for the applications needing accurate timestamping event with10 less jitter. This framework provides a generic interface to such HTE11 providers and consumer devices.12 13 If unsure, say no.14 15if HTE16 17config HTE_TEGRA19418 tristate "NVIDIA Tegra194 HTE Support"19 depends on (ARCH_TEGRA_194_SOC || COMPILE_TEST)20 depends on GPIOLIB21 help22 Enable this option for integrated hardware timestamping engine also23 known as generic timestamping engine (GTE) support on NVIDIA Tegra19424 systems-on-chip. The driver supports 352 LIC IRQs and 39 AON GPIOs25 lines for timestamping in realtime.26 27config HTE_TEGRA194_TEST28 tristate "NVIDIA Tegra194 HTE Test"29 depends on (HTE_TEGRA194 || COMPILE_TEST)30 help31 The NVIDIA Tegra194 GTE test driver demonstrates how to use HTE32 framework to timestamp GPIO and LIC IRQ lines.33 34endif35