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Steam Deck: Neptune

The Valve Steam Deck LCD / OLD Controller also known as Neptune

Steam Input support

Yes

Linux Kernel Support

Yes, since 4.18 - hid-steam

Udev rules

# Valve USB devices
SUBSYSTEM=="usb", ATTRS{idVendor}=="28de", MODE="0666"

# Steam Controller udev write access
KERNEL=="uinput", SUBSYSTEM=="misc", MODE="0660", GROUP="input", OPTIONS+="static_node=uinput"

# Valve HID devices over USB hidraw
KERNEL=="hidraw*", ATTRS{idVendor}=="28de", MODE="0666"

# Valve HID devices over bluetooth hidraw
KERNEL=="hidraw*", KERNELS=="*28DE:*", MODE="0666"

What are the Official RetroDECK layouts for the Steam Deck?

  • RetroDECK: Steam Deck - Neptune SIMPLE
  • RetroDECK: Steam Deck - Neptune FULL