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resources:tools-software:linuxdsp:docs:linux_yocto_distribution_and_applications:linuxptp [22 Sep 2020 10:53]
cathy fang [Device tree configuration]
resources:tools-software:linuxdsp:docs:linux_yocto_distribution_and_applications:linuxptp [22 Sep 2020 11:14]
Sunny Feng [Device tree configuration]
Line 46: Line 46:
 \\ \\
 ==== Device tree configuration ==== ==== Device tree configuration ====
-The timestamps that are the basis of PTP can be acquired with greater accuracy when they are captured by the ethernet PHY hardware. The RGMII and RMII PHY interface support hardware timestamps, the default phy mode is RGMII. +The timestamps that are the basis of PTP can be acquired with greater accuracy when they are captured by the ethernet PHY hardware. The PHY interface ​can support hardware timestamps, the default phy-mode is RGMII. 
-The phy-mode can be changed to "​rmii"​ in the device tree header in the linux kernel source arch/​arm/​boot/​dts/​sc589-ezkit.dts other board specific sc5xx.dts files. Run "//​**bitbake linux-adi -c devshell**//"​ to enter into linux kernel source code.+ 
 +The phy-mode ​also can be changed to "​rmii"​ in the device tree header in the linux kernel source arch/​arm/​boot/​dts/​sc589-ezkit.dts ​and other board specific sc5xx.dts files. ​
 <WRAP info> <WRAP info>
 ... : ellipsis, means other properties in EMAC0 node stay the same\\ ... : ellipsis, means other properties in EMAC0 node stay the same\\
resources/tools-software/linuxdsp/docs/linux_yocto_distribution_and_applications/linuxptp.txt · Last modified: 22 Sep 2020 11:14 by Sunny Feng