PlayStation 5 - DualSense

The DualSense controller, released on November 12, 2020, is the wireless gamepad developed by Sony for the PlayStation 5 console. It features haptic feedback, adaptive triggers, and a built-in microphone, providing an immersive gaming experience. The controller has undergone several revisions, including internal adjustments for improved stability and efficiency.

Steam Input support

Yes

Linux Kernel Support

Yes, since 5.14 - hid-playstation

Sony Firmware Update

You can find the Windows software to update the firmware here:

Playstation: DualSense Firmware Update

Udev rules

# Sony DualSense Wireless-Controller; Bluetooth; USB
KERNEL=="hidraw*", KERNELS=="*054C:0CE6*", MODE="0660", TAG+="uaccess"
KERNEL=="hidraw*", ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0ce6", MODE="0660", TAG+="uaccess"

What is the Official RetroDECK - Steam Input Profile called?

DualSense: RetroDECK: DualSense