A USB-C port that wants to receive power needs to have a pulldown. This part is well-known by now, but we’ve seen lack-of-resistor failures in cheap devices aplenty, and the colloquial advice is ...

I’ll give you schematics for the kinds of USB-C devices you’re actually likely ... You must have the 5.1 K resistors, one resistor per pin, and remember to join both of the data pins ...