No, PS5 Backwards Compatibility with PS3, PS2, and PS1 Games Has Not Been Confirmed | Push Square
PlayStation 1 Classic PS5 Controller : r/playstation
Which PS5 Controller do you like better? Classic PS1 theme or the black PS2 theme? : r/playstation
PS1 Retro Skin Sticker Decals For Sony PS5 Console &Controllers (Disc) | eBay
Patent Suggests PS1, PS2, PS3 Games Might Come to PS5 | PlayStation Fanatic
PS5 Carrying Case, Compatible with Playstation 5 Console/Controllers/Headset/Games and Other Accessories - Protective Travel Case with Hard Shell & Customized Foam for Storage (Classic PS1 Style)