Simplify the text of the driver support matrix in the readme file.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>master
Richard Cochran
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README.org
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README.org
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@ -94,79 +94,77 @@
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** Driver Support Matrix
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** Driver Support Matrix
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The table below shows the Linux drivers that support the new
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The following two tables list the drivers that support the PHC
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API. The meaning of the column abbreviations is as follows.
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subsystem and the Linux kernel version when they first appeared.
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These drivers will create a PHC device for controlling the hardware
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clock.
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- SOTS: SO_TIMESTAMPING support. This comes in three flavors.
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*** Hardware Timestamping - PHY
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1. RAW: Supports time stamping using the PHC time values.
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|---------+-------------------------------+---------|
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2. SW: Supports software time stamping using the system time.
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| Driver | Hardware | Version |
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3. SYS: Supports time stamping using PHC time values scaled to
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|---------+-------------------------------+---------|
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the system time. This is a legacy mode and its use in new
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| dp83640 | National Semiconductor PHYTER | 3.0 |
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drivers is discouraged.
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|---------+-------------------------------+---------|
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- PHC: PTP Hardware Clock support. These drivers will offer a
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*** Hardware Timestamping - MAC
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character device that allows direct control of the hardware
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clock.
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- PHY: Supports time stamping in the PHY. This indicates an
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|------------+--------------------------+---------|
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Ethernet MAC driver supporting SO_TIMESTAMPING and PHC in the
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| Driver | Hardware | Version |
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PHY. If you have or build a computer that combines this MAC with
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|------------+--------------------------+---------|
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a PTP capable PHY, then it will work with the Linux PHC
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| bfin_mac | Analog Blackfin | 3.8 |
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subsystem.
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| cpts | Texas Instruments am335x | 3.8 |
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| e1000e | Intel 82574, 82583 | 3.9 |
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- VER: Linux kernel version when the PTP API support was added.
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| fec | Freescale i.mx6 | 3.8 |
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| gianfar | Freescale eTSEC PowerPC | 3.0 |
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*** Hardware Timestamping
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| igb | Intel 82576, 82580 | 3.5 |
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| ixgbe | Intel 82599 | 3.5 |
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|------------+-------------------------+------+-----+-----+-----|
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| ptp_ixp46x | Intel IXP465 | 3.0 |
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| Driver | Hardware | SOTS | PHC | PHY | VER |
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| ptp_phc | Lapis EG20T PCH | 3.5 |
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|------------+-------------------------+------+-----+-----+-----|
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| sfc | Solarflare SFC9000 | 3.7 |
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| bfin_mac | Analog Blackfin | RAW | Y | NA | 3.8 |
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|------------+--------------------------+---------|
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| e1000e | Intel 82574, 82583 | RAW | Y | NA | 3.9 |
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| fec | Freescale i.mx6 | RAW | Y | NA | 3.8 |
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| gianfar | Freescale eTSEC PowerPC | RAW | Y | NA | 3.0 |
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| igb | Intel 82576, 82580 | RAW | Y | NA | 3.5 |
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| ixgbe | Intel 82599 | RAW | Y | NA | 3.5 |
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| dp83640 | Nat Semi PHYTER | RAW | Y | NA | 3.0 |
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| ptp_ixp46x | Intel IXP465 | RAW | Y | NA | 3.0 |
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| ptp_phc | Lapis EG20T PCH | RAW | Y | NA | 3.5 |
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| sfc | Solarflare SFC9000 | RAW | Y | NA | 3.7 |
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|------------+-------------------------+------+-----+-----+-----|
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*** Software Timestamping
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*** Software Timestamping
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|--------------+--------------------------+------+-----+-----+-----|
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The table below shows the Linux drivers that support software time
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| Driver | Hardware | SOTS | PHC | PHY | VER |
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stamping. In addition, the 'PHY' column indicates whether the
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|--------------+--------------------------+------+-----+-----+-----|
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Ethernet MAC driver can support a PTP Hardware Clock in an
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| bnx2x | Broadcom Everest | SW | N | N | 3.5 |
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external PHY. The letter 'Y' in this column means that if you
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| davinci_emac | TI DaVinci, Sitara | SW | N | Y | 3.1 |
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design a mother board that combines such a MAC with a PTP capable
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| dnet | Dave Ethernet MAC | SW | N | Y | 3.1 |
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PHY, then it will work with the Linux PHC subsystem.
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| e100 | Intel PRO/100 | SW | N | N | 3.5 |
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| e1000 | Intel PRO/1000 PCI/PCI-X | SW | N | N | 3.5 |
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|--------------+--------------------------+---------+-----|
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| e1000e | Intel PRO/1000 PCIe | SW | N | N | 3.5 |
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| Driver | Hardware | Version | PHY |
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| emaclite | Xilinx Ethernet Lite | SW | N | Y | 3.1 |
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|--------------+--------------------------+---------+-----|
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| ethoc | OpenCores 10/100 MAC | SW | N | Y | 3.1 |
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| bna | Brocade 1010/1020 10Gb | 3.14 | N |
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| fec | Freescale Coldfire | SW | N | Y | 3.1 |
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| bnx2x | Broadcom Everest | 3.5 | N |
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| fec_mpc52xx | Freescale MPC5200 | SW | N | Y | 3.1 |
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| davinci_emac | TI DaVinci, Sitara | 3.1 | Y |
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| forcedeth | NVIDIA nForce | SW | N | N | 3.5 |
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| dnet | Dave Ethernet MAC | 3.1 | Y |
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| fs_enet | Freescale MPC512x | SW | N | Y | 3.1 |
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| e100 | Intel PRO/100 | 3.5 | N |
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| ixp4xx_eth | Intel IXP4xx | SW | N | Y | 3.0 |
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| e1000 | Intel PRO/1000 PCI/PCI-X | 3.5 | N |
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| lib8390 | Asix AX88796 | SW | N | Y | 3.1 |
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| e1000e | Intel PRO/1000 PCIe | 3.5 | N |
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| lib8390 | Various 8390 based HW | SW | N | N | 3.1 |
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| emaclite | Xilinx Ethernet Lite | 3.1 | Y |
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| ll_temac | Xilinx LL TEMAC | SW | N | Y | 3.1 |
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| ethoc | OpenCores 10/100 MAC | 3.1 | Y |
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| macb | Atmel AT32, AT91 | SW | N | Y | 3.1 |
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| fec | Freescale Coldfire | 3.1 | Y |
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| mv643xx_eth | Marvell Discovery, Orion | SW | N | Y | 3.1 |
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| fec_mpc52xx | Freescale MPC5200 | 3.1 | Y |
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| pxa168_eth | Marvell pxa168 | SW | N | Y | 3.1 |
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| forcedeth | NVIDIA nForce | 3.5 | N |
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| r6040 | RDC Ethernet MAC | SW | N | Y | 3.1 |
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| fs_enet | Freescale MPC512x | 3.1 | Y |
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| r8169 | Realtek 8169/8168/8101 | SW | N | N | 3.4 |
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| ixp4xx_eth | Intel IXP4xx | 3.0 | Y |
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| smsc911x | SMSC LAN911x, LAN921x | SW | N | Y | 3.1 |
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| lib8390 | Asix AX88796 | 3.1 | Y |
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| smsc9420 | SMSC LAN9420 PCI | SW | N | Y | 3.1 |
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| lib8390 | Various 8390 based HW | 3.1 | N |
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| stmmac | STM Synopsys IP Core | SW | N | Y | 3.1 |
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| ll_temac | Xilinx LL TEMAC | 3.1 | Y |
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| tg3 | Broadcom Tigon3 PCI | SW | N | Y | 3.1 |
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| macb | Atmel AT32, AT91 | 3.1 | Y |
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| ucc_geth | Freescale QE Gigabit | SW | N | Y | 3.1 |
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| mv643xx_eth | Marvell Discovery, Orion | 3.1 | Y |
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| usbnet | USB network devices | SW | N | Y/N | 3.2 |
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| pxa168_eth | Marvell pxa168 | 3.1 | Y |
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|--------------+--------------------------+------+-----+-----+-----|
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| r6040 | RDC Ethernet MAC | 3.1 | Y |
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| r8169 | Realtek 8169/8168/8101 | 3.4 | N |
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| smsc911x | SMSC LAN911x, LAN921x | 3.1 | Y |
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| smsc9420 | SMSC LAN9420 PCI | 3.1 | Y |
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| stmmac | STM Synopsys IP Core | 3.1 | Y |
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| tg3 | Broadcom Tigon3 PCI | 3.1 | Y |
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| ucc_geth | Freescale QE Gigabit | 3.1 | Y |
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| usbnet | USB network devices | 3.2 | Y/N |
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|--------------+--------------------------+---------+-----|
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* Installation
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* Installation
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