projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d94ba80e RC |
1 | # |
| 2 | # PTP clock support configuration | |
| 3 | # | |
| 4 | ||
| 5 | menu "PTP clock support" | |
| 6 | ||
| 7 | comment "Enable Device Drivers -> PPS to see the PTP clock options." | |
| 8 | depends on PPS=n | |
| 9 | ||
| 10 | config PTP_1588_CLOCK | |
| 11 | tristate "PTP clock support" | |
| 12 | depends on EXPERIMENTAL | |
| 13 | depends on PPS | |
| 14 | help | |
| 15 | The IEEE 1588 standard defines a method to precisely | |
| 16 | synchronize distributed clocks over Ethernet networks. The | |
| 17 | standard defines a Precision Time Protocol (PTP), which can | |
| 18 | be used to achieve synchronization within a few dozen | |
| 19 | microseconds. In addition, with the help of special hardware | |
| 20 | time stamping units, it can be possible to achieve | |
| 21 | synchronization to within a few hundred nanoseconds. | |
| 22 | ||
| 23 | This driver adds support for PTP clocks as character | |
| 24 | devices. If you want to use a PTP clock, then you should | |
| 25 | also enable at least one clock driver as well. | |
| 26 | ||
| 27 | To compile this driver as a module, choose M here: the module | |
| 28 | will be called ptp. | |
| 29 | ||
| c78275f3 RC |
30 | config PTP_1588_CLOCK_GIANFAR |
| 31 | tristate "Freescale eTSEC as PTP clock" | |
| 32 | depends on PTP_1588_CLOCK | |
| 33 | depends on GIANFAR | |
| 34 | help | |
| 35 | This driver adds support for using the eTSEC as a PTP | |
| 36 | clock. This clock is only useful if your PTP programs are | |
| 37 | getting hardware time stamps on the PTP Ethernet packets | |
| 38 | using the SO_TIMESTAMPING API. | |
| 39 | ||
| 40 | To compile this driver as a module, choose M here: the module | |
| 41 | will be called gianfar_ptp. | |
| 42 | ||
| 32bd93e8 RC |
43 | config PTP_1588_CLOCK_IXP46X |
| 44 | tristate "Intel IXP46x as PTP clock" | |
| 45 | depends on PTP_1588_CLOCK | |
| 46 | depends on IXP4XX_ETH | |
| 47 | help | |
| 48 | This driver adds support for using the IXP46X as a PTP | |
| 49 | clock. This clock is only useful if your PTP programs are | |
| 50 | getting hardware time stamps on the PTP Ethernet packets | |
| 51 | using the SO_TIMESTAMPING API. | |
| 52 | ||
| 53 | To compile this driver as a module, choose M here: the module | |
| 54 | will be called ptp_ixp46x. | |
| 55 | ||
| cb646e2b RC |
56 | comment "Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks." |
| 57 | depends on PTP_1588_CLOCK && (PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n) | |
| 58 | ||
| 59 | config DP83640_PHY | |
| 60 | tristate "Driver for the National Semiconductor DP83640 PHYTER" | |
| 61 | depends on PTP_1588_CLOCK | |
| 62 | depends on NETWORK_PHY_TIMESTAMPING | |
| 63 | depends on PHYLIB | |
| 64 | ---help--- | |
| 65 | Supports the DP83640 PHYTER with IEEE 1588 features. | |
| 66 | ||
| 67 | This driver adds support for using the DP83640 as a PTP | |
| 68 | clock. This clock is only useful if your PTP programs are | |
| 69 | getting hardware time stamps on the PTP Ethernet packets | |
| 70 | using the SO_TIMESTAMPING API. | |
| 71 | ||
| 72 | In order for this to work, your MAC driver must also | |
| 6b2aac42 | 73 | implement the skb_tx_timestamp() function. |
| cb646e2b | 74 | |
| 863d08ec TS |
75 | config PTP_1588_CLOCK_PCH |
| 76 | tristate "Intel PCH EG20T as PTP clock" | |
| 77 | depends on PTP_1588_CLOCK | |
| 78 | depends on PCH_GBE | |
| 79 | help | |
| 80 | This driver adds support for using the PCH EG20T as a PTP | |
| 81 | clock. This clock is only useful if your PTP programs are | |
| 82 | getting hardware time stamps on the PTP Ethernet packets | |
| 83 | using the SO_TIMESTAMPING API. | |
| 84 | ||
| 85 | To compile this driver as a module, choose M here: the module | |
| 86 | will be called ptp_pch. | |
| 87 | ||
| d94ba80e | 88 | endmenu |