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Kconfig 0000644 00000010031 14722072721 0006046 0 ustar 00 # SPDX-License-Identifier: GPL-2.0-only # # PTP clock support configuration # menu "PTP clock support" config PTP_1588_CLOCK tristate "PTP clock support" depends on NET && POSIX_TIMERS 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_DTE tristate "Broadcom DTE as PTP clock" depends on PTP_1588_CLOCK depends on NET && HAS_IOMEM depends on ARCH_BCM_MOBILE || (ARCH_BCM_IPROC && !(ARCH_BCM_NSP || ARCH_BCM_5301X)) || COMPILE_TEST default y help This driver adds support for using the Digital timing engine (DTE) in the Broadcom SoC's as a PTP clock. The clock can be used in both wired and wireless networks for PTP purposes. To compile this driver as a module, choose M here: the module will be called ptp_dte. config PTP_1588_CLOCK_QORIQ tristate "Freescale QorIQ 1588 timer as PTP clock" depends on GIANFAR || FSL_DPAA_ETH || FSL_DPAA2_ETH || FSL_ENETC || FSL_ENETC_VF || COMPILE_TEST depends on PTP_1588_CLOCK default y help This driver adds support for using the Freescale QorIQ 1588 timer 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-qoriq. config PTP_1588_CLOCK_IXP46X tristate "Intel IXP46x as PTP clock" depends on IXP4XX_ETH depends on 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 depends on 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 && PCI depends on NET imply 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) mechanism. The peer delay mechanism (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. config PTP_1588_CLOCK_KVM tristate "KVM virtual PTP clock" depends on PTP_1588_CLOCK depends on KVM_GUEST && X86 default y help This driver adds support for using kvm infrastructure as a PTP clock. This clock is only useful if you are using KVM guests. To compile this driver as a module, choose M here: the module will be called ptp_kvm. endmenu Makefile 0000644 00000000754 14722072721 0006216 0 ustar 00 # SPDX-License-Identifier: GPL-2.0 # # Makefile for PTP 1588 clock support. # ptp-y := ptp_clock.o ptp_chardev.o ptp_sysfs.o obj-$(CONFIG_PTP_1588_CLOCK) += ptp.o obj-$(CONFIG_PTP_1588_CLOCK_DTE) += ptp_dte.o obj-$(CONFIG_PTP_1588_CLOCK_IXP46X) += ptp_ixp46x.o obj-$(CONFIG_PTP_1588_CLOCK_PCH) += ptp_pch.o obj-$(CONFIG_PTP_1588_CLOCK_KVM) += ptp_kvm.o obj-$(CONFIG_PTP_1588_CLOCK_QORIQ) += ptp-qoriq.o ptp-qoriq-y += ptp_qoriq.o ptp-qoriq-$(CONFIG_DEBUG_FS) += ptp_qoriq_debugfs.o
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