1*ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 246b402a0SAlexander Gordeev# 346b402a0SAlexander Gordeev# PPS generators configuration 446b402a0SAlexander Gordeev# 546b402a0SAlexander Gordeev 646b402a0SAlexander Gordeevcomment "PPS generators support" 746b402a0SAlexander Gordeev 846b402a0SAlexander Gordeevconfig PPS_GENERATOR_PARPORT 946b402a0SAlexander Gordeev tristate "Parallel port PPS signal generator" 10ab4f5260SRobert P. J. Day depends on PARPORT && BROKEN 1146b402a0SAlexander Gordeev help 1246b402a0SAlexander Gordeev If you say yes here you get support for a PPS signal generator which 1346b402a0SAlexander Gordeev utilizes STROBE pin of a parallel port to send PPS signals. It uses 1446b402a0SAlexander Gordeev parport abstraction layer and hrtimers to precisely control the signal. 15