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31ab09b4 DP |
1 | # SPDX-License-Identifier: GPL-2.0-only |
2 | menuconfig HTE | |
3 | bool "Hardware Timestamping Engine (HTE) Support" | |
4 | help | |
5 | Hardware Timestamping Engine (HTE) Support. | |
6 | ||
7 | Some devices provide a hardware timestamping engine which can | |
8 | timestamp certain device lines/signals in realtime. It comes with a | |
9 | benefit for the applications needing accurate timestamping event with | |
10 | less jitter. This framework provides a generic interface to such HTE | |
11 | providers and consumer devices. | |
12 | ||
13 | If unsure, say no. | |
14 | ||
09574cca DP |
15 | if HTE |
16 | ||
17 | config HTE_TEGRA194 | |
18 | tristate "NVIDIA Tegra194 HTE Support" | |
19 | depends on ARCH_TEGRA_194_SOC | |
20 | help | |
21 | Enable this option for integrated hardware timestamping engine also | |
22 | known as generic timestamping engine (GTE) support on NVIDIA Tegra194 | |
23 | systems-on-chip. The driver supports 352 LIC IRQs and 39 AON GPIOs | |
24 | lines for timestamping in realtime. | |
25 | ||
9a75a7cd DP |
26 | config HTE_TEGRA194_TEST |
27 | tristate "NVIDIA Tegra194 HTE Test" | |
28 | depends on HTE_TEGRA194 | |
29 | help | |
30 | The NVIDIA Tegra194 GTE test driver demonstrates how to use HTE | |
31 | framework to timestamp GPIO and LIC IRQ lines. | |
32 | ||
09574cca | 33 | endif |