how to config 1PPS on imx8qxp

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how to config 1PPS on imx8qxp

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Contributor III

i want to hnow which pin is the PPS pin on a imx8qxp processor? the ENET0_REFCLK_125M_25M ALT2? 

how to config it?

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NXP TechSupport
NXP TechSupport

Hi Steven

>which pin is the PPS pin on a imx8qxp processor? the ENET0_REFCLK_125M_25M ALT2? 

yes this is correct. For usage one can refer to sect.4.2 ENET IEEE-1588 i.MX Linux Reference Manual

unit test:

FSL-UT-IEEE1588-001.txt\doc\misc\test - imx-test - i.MX Driver Test Application Software 

https://community.nxp.com/message/1233356 

configuration example

How to add iMX8QXP PAD(GPIO) Wakeup 


Best regards
igor
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