【IMX8QXP】How to know an IO port default state？

[jianwei_lan]

Dear friend

I am using i.MX8QXP MEK, Yocto L4.14.98.

Question：

1）How can I know an I/O port default output or input？2）if default output, what default output voltage is？

for example：what default output value of pin, USDHC1_VSELECT ?

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BR

your friend

[joanxie]

you can refer to the data sheet for detailed information:
"https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i-mx-applications-proces..."