Unnamed GPIO with gpiod on CB1

I want to control GPIO on the CB1. I saw that it is possible with [gpiod](https://wiki.radxa.com/Gpiod). In my case, pin names don't appear but there are more than 300 pin and without the alias I can't know what is who. Do you know how to solve it ? [I saw that I need to make a .dts file in the root](https://raspberrypi.stackexchange.com/questions/121655/why-is-gpioinfo-not-showing-me-pin-names) but where can I find which line of a "$sudo gpioinfo" corresponds to which GPIO ?

Start with the linked gpiod guidance, the `$ sudo gpioinfo` output, and the referenced `.dts` approach. Done means identifying how CB1 GPIO lines correspond to physical pin names and documenting where aliases or the required DTS file should be defined.

Written by the indexing model from the issue text.