[1692265940247] Hello I don’t know how to calculate this “value”。And According to what document to change this value, change to what, what does this value represent? I need help,Thanks

Hi sjz_shaohua, The <value> is for the pinmux register, and you could find more details in the TRM document for your module. You could also use the following command to read/write pinmux register as following. Read: $ sudo busybox devmem <address> Write: $ sudo busybox devmem <address> w <value> …

OK,Thank you very much,I see Another problem: What do I do if I want to open a pin directly in a configuration file instead of through jetson-io.py, such as “aud_mclk”? Thanks

You could modify the pinmux dts directly. Please share the full flash log for further check.

Jetson xavier nx Pinmux/GPIO Configuration

Robotics & Edge Computing Jetson Systems Jetson Xavier NX

sjz_SH August 21, 2023, 3:22am 6

Hi KevinFFF
I have solved my problem, thank you for your help.

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