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Diffstat (limited to 'kernel/drivers/ptp/Kconfig')
| -rw-r--r-- | kernel/drivers/ptp/Kconfig | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/kernel/drivers/ptp/Kconfig b/kernel/drivers/ptp/Kconfig new file mode 100644 index 000000000..ee3de3421 --- /dev/null +++ b/kernel/drivers/ptp/Kconfig @@ -0,0 +1,93 @@ +# +# PTP clock support configuration +# + +menu "PTP clock support" + +config PTP_1588_CLOCK + tristate "PTP clock support" + depends on NET + select PPS + select NET_PTP_CLASSIFY + 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 GIANFAR + select PTP_1588_CLOCK + default y + 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 IXP4XX_ETH + select PTP_1588_CLOCK + default y + 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 PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n + +config DP83640_PHY + tristate "Driver for the National Semiconductor DP83640 PHYTER" + depends on NETWORK_PHY_TIMESTAMPING + depends on PHYLIB + select PTP_1588_CLOCK + ---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_timestamp() function. + +config PTP_1588_CLOCK_PCH + tristate "Intel PCH EG20T as PTP clock" + depends on X86_32 || COMPILE_TEST + depends on HAS_IOMEM && NET + select PTP_1588_CLOCK + help + This driver adds support for using the PCH EG20T as a PTP + clock. The hardware supports time stamping of PTP packets + when using the end-to-end delay (E2E) mechansim. The peer + delay mechansim (P2P) is not supported. + + 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_pch. + +endmenu |