Add config for Librem 5

purism/librem/5r4/default.nix

@@ -0,0 +1,53 @@
+{ config, pkgs, lib, ... }:
+let cfg = config.hardware.librem5;
+in {
+  options = {
+    hardware.librem5 = {
+      wifiCard = lib.mkOption {
+        type = lib.types.enum [ "redpine" "sparklan" "none" ];
+        description = lib.mdDoc ''
+          Which wi-fi card is installed in your phone.
+
+          Phones shipped before Januarly 2023 have redpine, newer phones have sparklan.
+        '';
+        default = "redpine";
+      };
+      customInitrdModules = lib.mkEnableOption (lib.mdDoc "use of custom kernel modules in the initrd.");
+      installUdevPackages = lib.mkEnableOption (lib.mdDoc "installation of udev packages from librem5-base.");
+      lockdownFix = lib.mkEnableOption (lib.mdDoc "fix for orientation and proximity sensors not working after lockdown.");
+    };
+  };
+
+  imports = [ ./initrd.nix ./wifi.nix ./lockdown-fix.nix ];
+
+  config = {
+    hardware.librem5 = {
+      customInitrdModules = lib.mkDefault true;
+      installUdevPackages = lib.mkDefault true;
+      lockdownFix = lib.mkDefault true;
+    };
+
+    nixpkgs.overlays = [
+      (import ./kernel)
+      (final: prev: {
+        ubootLibrem5 = final.callPackage ./u-boot { };
+
+        librem5-base = final.callPackage ./librem5-base { };
+      })
+    ];
+
+    boot = {
+      kernelParams = [ "rootwait" ];
+
+      loader = {
+        generic-extlinux-compatible.enable = lib.mkDefault true;
+        grub.enable = false;
+      };
+
+      kernelPackages = lib.mkDefault pkgs.linuxPackages_librem5;
+    };
+
+    services.udev.packages = lib.mkIf cfg.installUdevPackages [ pkgs.librem5-base ];
+
+  };
+}