You can use a PS4 controller on PS5 if you know how to set it up. Just don
First comparison between PS4 DualShock and PS5 DualSense controller - GameRevolution
Can You Use a PS5 Controller on a PS4?
Sony PlayStation® DualSense™ Wireless Controller - Apple
How to play PS5 games by using ps4 controller?
How to connect PS4 controller to PS5
You can play PS5 games with a DualShock 4 if you use Remote Play
How to use a PS4 controller on PS5
PS5/PS4 Controller Not Connecting - 10 Easy Fixes
How to Connect a PS4/PS5 Controller to Your Android Phone - Make Tech Easier
Do third-party controllers work on PS5? Are Nacon PS4 controller compatible with the PS5?
Can You Use PS4 Controllers on a PS5?
How to Pair a PS4 Controller to a PC - IGN
Sony PS5 DualSense Wireless Controller - Midnight Black
How to use your PlayStation 4 DualShock controller with your PS5 PlayStation controller - Quora