How to turn on i2s mclk on tx2nx?

I am not good at python. Can you tell me what jetson-io do except change the dts?~_~

Jetson-io dump the device tree and add the hdr40-pin7 {} and compile to dtb and modify the /boot/extlinux/extlinux.conf to apply the dtb that add hdr40-pin-* context.

I see. ?
That means the node name must be hdr40-pin7, if the name is aud_mclk_pj4, I must sudo busybox devmem 0x02431020 32 0x00000408?

No sure if the driver looking for the hdr40-pin7 or aud_mclk_pj4 need to confirm it.

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