Initial pi config

hosts/pi/default.nix

@@ -0,0 +1,44 @@
+{ config, lib, pkgs, ... }:
+
+with lib.my;
+{
+  imports = [
+    <nixos-hardware/raspberry-pi/4>
+    ./hardware-configuration.nix
+    ../server.nix
+  ];
+
+  networking.hostName = "pi";
+  networking.hostId = "";
+
+  hardware = {
+    raspberry-pi."4" = {
+      apply-overlays-dtmerge.enable = true;
+      audio.enable = true;
+      fkms-3d.enable = true;
+    };
+    deviceTree = {
+      enable = true;
+      filter = "*rpi-4-*.dtb";
+    };
+  };
+
+  sound.enable = true;
+  console.enable = false;
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    libraspberrypi
+    raspberrypi-eeprom
+  ];
+
+  system.stateVersion = "22.11";
+}
+

hosts/pi/hardware-configuration.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [
+    <nixos-hardware/raspberry-pi/4>
+  ];
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+}
+