Home
last modified time | relevance | path

Searched refs:PPS (Results 1 – 22 of 22) sorted by relevance

/linux/drivers/pps/
H A DKconfig3 # PPS support configuration
6 menuconfig PPS config
7 tristate "PPS support"
9 PPS (Pulse Per Second) is a special pulse provided by some GPS
13 Some antennae's PPS signals are connected with the CD (Carrier
17 Some antennae's PPS signals are connected with some special host
23 if PPS
26 bool "PPS debugging messages"
28 Say Y here if you want the PPS support to produce a bunch of debug
30 problem with PPS support and want to see more of what is going on.
[all …]
/linux/Documentation/driver-api/
H A Dpps.rst4 PPS - Pulse Per Second
25 system several PPS sources.
27 PPS means "pulse per second" and a PPS source is just a device which
31 A PPS source can be connected to a serial port (usually to the Data
38 GPS receiver as PPS source, to obtain a wallclock-time with
45 While implementing a PPS API as RFC 2783 defines and using an embedded
55 task for a PPS API. But this assumption does not work for a single
58 precondition for the use of a PPS API.
60 The problem can be simply solved if you consider that a PPS source is
64 for instance) is a PPS source too, and if not they should provide the
[all …]
H A Dptp.rst27 - Synchronization of the Linux system time via the PPS subsystem
/linux/drivers/pps/clients/
H A DKconfig3 # PPS clients configuration
6 comment "PPS clients support"
11 If you say yes here you get support for a PPS debugging client
12 which uses a kernel timer to generate the PPS signal.
18 tristate "PPS line discipline"
21 If you say yes here you get support for a PPS source connected
25 tristate "Parallel port PPS client"
28 If you say yes here you get support for a PPS source connected
32 tristate "PPS client using GPIO"
34 If you say yes here you get support for a PPS source using
/linux/drivers/pps/generators/
H A DKconfig3 # PPS generators configuration
6 comment "PPS generators support"
9 tristate "Parallel port PPS signal generator"
12 If you say yes here you get support for a PPS signal generator which
13 utilizes STROBE pin of a parallel port to send PPS signals. It uses
/linux/Documentation/ABI/testing/
H A Dsysfs-pps7 the PPS sources.
14 PPS source into the system. Each directory will
15 contain files to manage and control its PPS source.
H A Dsysfs-ptp103 "1" means that the PPS is supported, while "0" means
140 PPS events to the Linux PPS subsystem. To enable PPS
H A Dsysfs-timecard22 PPS adjustments come from the PPS1 selector (default)
58 PHC output PPS is from the PHC clock
59 MAC output PPS is from the Miniature Atomic Clock
60 GNSS1 output PPS is from the first GNSS module
61 GNSS2 output PPS is from the second GNSS module
190 Description: This optional attribute links to the associated PPS device.
H A Dsysfs-class-usb_power_delivery231 Programmable Power Supply (PPS) Augmented PDO (APDO).
255 The PPS Power Limited bit indicates whether or not the source
/linux/samples/bpf/
H A Dxdp_sample_user.c60 #define PPS(pps) pps, "pkt/s" macro
674 str, PPS(pps), DROP(drop), ERR(err)); in stats_get_rx_cnt()
720 str, PPS(pps), DROP(drop), err, "bulk-avg"); in stats_get_cpumap_enqueue()
740 str, PPS(pps), DROP(drop), err, "bulk-avg"); in stats_get_cpumap_enqueue()
801 pps ? "kthread total" : "kthread", PPS(pps), DROP(drop), err, in stats_get_cpumap_kthread()
818 str, PPS(pps), DROP(drop), err, "sched"); in stats_get_cpumap_kthread()
1127 str, PPS(out->rx_cnt.pps), DROP(out->rx_cnt.drop), in stats_print()
/linux/drivers/pinctrl/
H A Dpinctrl-falcon.c112 MFP_FALCON(GPIO5, NTR, GPIO, PPS, NONE),
185 GRP_MUX("pps", PPS, pins_pps),
/linux/Documentation/userspace-api/ioctl/
H A Dioctl-number.rst103 '1' 00-1F linux/timepps.h PPS kit from Ulrich Windl
104 … <ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
/linux/Documentation/userspace-api/media/v4l/
H A Ddev-decoder.rst123 PPS
132 SPS/PPS/IDR sequence (H.264/HEVC); a resume point is required to start decode
860 over a change of SPS/PPS. Even though the target frame could be a
861 keyframe, the stale SPS/PPS inside decoder state would lead to undefined
H A Ddev-encoder.rst444 produced again, e.g. SPS and PPS for H.264/HEVC.
679 again, e.g. SPS and PPS for H.264/HEVC.
H A Ddev-stateless-decoder.rst374 that case. Also depending on the codec used, picture parameters (e.g. SPS/PPS
H A Dext-ctrls-codec.rst2672 Indicates whether to generate SPS and PPS at every IDR. Setting it to 0
2673 disables generating SPS and PPS at every IDR. Setting it to one enables
2674 generating SPS and PPS at every IDR.
H A Dext-ctrls-codec-stateless.rst2235 - Identifies the PPS for reference by other syntax elements.
2239 in the slice header RBSP for coded pictures referring to the PPS.
2249 referring to the PPS.
2364 the PPS
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mn-venice-gw7902.dts837 MX8MN_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x141 /* PPS */
H A Dimx8mm-venice-gw7902.dts900 MX8MM_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x141 /* PPS */
/linux/Documentation/networking/device_drivers/ethernet/stmicro/
H A Dstmmac.rst69 - Pulse-Per-Second Output (PPS)
/linux/
H A DCREDITS4240 D: Supports NTP on Linux. Added PPS code. Fixed bugs in adjtimex().
H A DMAINTAINERS18711 PPS SUPPORT