diff options
Diffstat (limited to 'drivers/ptp/Kconfig')
| -rw-r--r-- | drivers/ptp/Kconfig | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig new file mode 100644 index 000000000000..68d720102296 --- /dev/null +++ b/drivers/ptp/Kconfig @@ -0,0 +1,75 @@ +# +# PTP clock support configuration +# + +menu "PTP clock support" + +comment "Enable Device Drivers -> PPS to see the PTP clock options." + depends on PPS=n + +config PTP_1588_CLOCK + tristate "PTP clock support" + depends on EXPERIMENTAL + depends on PPS + help + The IEEE 1588 standard defines a method to precisely + synchronize distributed clocks over Ethernet networks. The + standard defines a Precision Time Protocol (PTP), which can + be used to achieve synchronization within a few dozen + microseconds. In addition, with the help of special hardware + time stamping units, it can be possible to achieve + synchronization to within a few hundred nanoseconds. + + This driver adds support for PTP clocks as character + devices. If you want to use a PTP clock, then you should + also enable at least one clock driver as well. + + To compile this driver as a module, choose M here: the module + will be called ptp. + +config PTP_1588_CLOCK_GIANFAR + tristate "Freescale eTSEC as PTP clock" + depends on PTP_1588_CLOCK + depends on GIANFAR + help + This driver adds support for using the eTSEC as a PTP + clock. This clock is only useful if your PTP programs are + getting hardware time stamps on the PTP Ethernet packets + using the SO_TIMESTAMPING API. + + To compile this driver as a module, choose M here: the module + will be called gianfar_ptp. + +config PTP_1588_CLOCK_IXP46X + tristate "Intel IXP46x as PTP clock" + depends on PTP_1588_CLOCK + depends on IXP4XX_ETH + help + This driver adds support for using the IXP46X as a PTP + clock. This clock is only useful if your PTP programs are + getting hardware time stamps on the PTP Ethernet packets + using the SO_TIMESTAMPING API. + + To compile this driver as a module, choose M here: the module + will be called ptp_ixp46x. + +comment "Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks." + depends on PTP_1588_CLOCK && (PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n) + +config DP83640_PHY + tristate "Driver for the National Semiconductor DP83640 PHYTER" + depends on PTP_1588_CLOCK + depends on NETWORK_PHY_TIMESTAMPING + depends on PHYLIB + ---help--- + Supports the DP83640 PHYTER with IEEE 1588 features. + + This driver adds support for using the DP83640 as a PTP + clock. This clock is only useful if your PTP programs are + getting hardware time stamps on the PTP Ethernet packets + using the SO_TIMESTAMPING API. + + In order for this to work, your MAC driver must also + implement the skb_tx_timetamp() function. + +endmenu |