Update rpi base

hosts/common.nix

@@ -52,10 +52,12 @@
       auto-optimise-store = true;
       substituters = [
         "http://odyssey.mesh.vimium.net"
+        "https://nix-community.cachix.org"
         "https://cache.nixos.org"
       ];
       trusted-public-keys = [
         "odyssey.mesh.vimium.net:ZhQhjscPWjoN4rlZwoMELznEiBnZ9O26iyGA27ibilQ="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       ];
     };
     gc = {

hosts/skycam/default.nix

@@ -6,49 +6,7 @@
     ../server.nix
   ];
 
-  hardware = {
-    raspberry-pi."4" = {
-      apply-overlays-dtmerge.enable = true;
-      audio.enable = false;
-      xhci.enable = false;
-    };
-    deviceTree = {
-      enable = true;
-      filter = "*rpi-4-*.dtb";
-      # From https://github.com/Electrostasy/dots/blob/3b81723feece67610a252ce754912f6769f0cd34/hosts/phobos/klipper.nix#L43-L65
-      overlays =
-        let
-          mkCompatibleDtsFile = dtbo:
-            let
-              drv = pkgs.runCommand "fix-dts" { nativeBuildInputs = with pkgs; [ dtc gnused ]; } ''
-                mkdir "$out"
-                dtc -I dtb -O dts ${dtbo} | sed -e 's/bcm2835/bcm2711/' > $out/overlay.dts
-              '';
-            in
-              "${drv}/overlay.dts";
-
-          inherit (config.boot.kernelPackages) kernel;
-        in
-          [
-            {
-              name = "imx708.dtbo";
-              dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/imx708.dtbo";
-            }
-            {
-              name = "vc4-kms-v3d-pi4.dtbo";
-              dtsFile = mkCompatibleDtsFile "${kernel}/dtbs/overlays/vc4-kms-v3d-pi4.dtbo";
-            }
-          ];
-    };
-    firmware = with pkgs; [
-      firmwareLinuxNonfree
-      wireless-regdb
-    ];
-  };
-
-  services.udev.extraRules = ''
-    SUBSYSTEM="dma_heap", GROUP="video", MODE="0600"
-  '';
+  raspberry-pi-nix.board = "bcm2711";
 
   networking = {
     hostId = "731d1660";
@@ -68,12 +26,10 @@
   services.openssh.settings.PermitRootLogin = lib.mkForce "prohibit-password";
 
   environment.systemPackages = with pkgs; [
-    camera-streamer
     git
     neovim
     libraspberrypi
     raspberrypi-eeprom
-    rpicam-apps
     v4l-utils
     unstable.ustreamer
   ];

hosts/skycam/hardware-configuration.nix

@@ -1,24 +1,6 @@
 { config, lib, modulesPath, ... }:
 
 {
-  imports = [
-    (modulesPath + "/installer/sd-card/sd-image-aarch64.nix")
-  ];
-
-  boot = {
-    kernelModules = [ "bcm2835-v4l2" ];
-    kernelParams = [ "cma=512M" ];
-    supportedFilesystems = lib.mkForce [ "f2fs" "vfat xfs" ];
-    tmp.cleanOnBoot = true;
-  };
-
-  nixpkgs.overlays = [
-    (final: super: {
-      makeModulesClosure = x:
-        super.makeModulesClosure (x // { allowMissing = true; });
-    })
-  ];
-
   fileSystems = {
     "/" = {
       device = "/dev/disk/by-label/NIXOS_SD";