nixos-config/hardware/rpi4.nix

{ config, lib, pkgs, modulesPath, ... }:

{
  boot.initrd.availableKernelModules = [ "usbhid" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ ];
  boot.extraModulePackages = [ ];

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/NIXOS_BOOT";
    fsType = "vfat";
  };

  fileSystems."/" = {
    device = "/dev/disk/by-label/NIXOS_SD";
    fsType = "ext4";
  };

  swapDevices = [ ];

  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
}