linux/drivers/pps/clients/Kconfig
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   1#
   2# PPS clients configuration
   3#
   4
   5if PPS
   6
   7comment "PPS clients support"
   8
   9config PPS_CLIENT_KTIMER
  10        tristate "Kernel timer client (Testing client, use for debug)"
  11        help
  12          If you say yes here you get support for a PPS debugging client
  13          which uses a kernel timer to generate the PPS signal.
  14
  15          This driver can also be built as a module.  If so, the module
  16          will be called pps-ktimer.
  17
  18config PPS_CLIENT_LDISC
  19        tristate "PPS line discipline"
  20        depends on PPS && TTY
  21        help
  22          If you say yes here you get support for a PPS source connected
  23          with the CD (Carrier Detect) pin of your serial port.
  24
  25config PPS_CLIENT_PARPORT
  26        tristate "Parallel port PPS client"
  27        depends on PPS && PARPORT
  28        help
  29          If you say yes here you get support for a PPS source connected
  30          with the interrupt pin of your parallel port.
  31
  32config PPS_CLIENT_GPIO
  33        tristate "PPS client using GPIO"
  34        depends on PPS
  35        help
  36          If you say yes here you get support for a PPS source using
  37          GPIO. To be useful you must also register a platform device
  38          specifying the GPIO pin and other options, usually in your board
  39          setup.
  40
  41endif
  42