1# SPDX-License-Identifier: GPL-2.0-only 2# 3# PPS generators configuration 4# 5 6menuconfig PPS_GENERATOR 7 tristate "PPS generators support" 8 help 9 PPS generators are special hardware which are able to produce PPS 10 (Pulse Per Second) signals. 11 12 To compile this driver as a module, choose M here: the module 13 will be called pps_gen_core. 14 15if PPS_GENERATOR 16 17config PPS_GENERATOR_DUMMY 18 tristate "Dummy PPS generator (Testing generator, use for debug)" 19 help 20 If you say yes here you get support for a PPS debugging generator 21 (which generates no PPS signal at all). 22 23 This driver can also be built as a module. If so, the module 24 will be called pps_gen-dummy. 25 26config PPS_GENERATOR_PARPORT 27 tristate "Parallel port PPS signal generator" 28 depends on PARPORT && BROKEN 29 help 30 If you say yes here you get support for a PPS signal generator which 31 utilizes STROBE pin of a parallel port to send PPS signals. It uses 32 parport abstraction layer and hrtimers to precisely control the signal. 33 34endif # PPS_GENERATOR 35