Where is tegra_pinctrl_reg in Orin Nano?


Before, I used “/sys/kernel/debug/tegra_pinctrl_reg” in Xavier NX and Nano for knowing register address and value.
But, I can’t find it in Orin Nano.

Please inform about tegra_pinctrl_reg or getting regster address and value.

Thank you.

Hi jtlee,

Please use the following command instead to check the pinmux configuration.

$ sudo cat /sys/kernel/debug/pinctrl/2430000.pinmux/pinconf-groups


What I want to do is changing pinmux through command line.

In Xavier NX, I can changing pinmux using “devmem” command.
For example, if I want to enable aud_mclk that No.7 header of 40-pin header, I just run “sudo busybox devmem 0x02431020 32 0x00000400” in Xavier NX.

But, when I run “sudo cat /sys/kernel/debug/pinctrl/2430000.pinmux/pinconf-groups”, I can’t get register address and value.

How can I changing pinmux in command line?

You could still use devmem to read/write the pinmux register, but you should search for the pinmux register address through TRM document.

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.