1 files changed, 58 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/argonone.nix b/nixos/modules/services/hardware/argonone.nix
new file mode 100644
index 0000000000000..638181b1b12e2
--- /dev/null
+++ b/nixos/modules/services/hardware/argonone.nix
@@ -0,0 +1,58 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.hardware.argonone;
+in
+{
+  options.services.hardware.argonone = {
+    enable = lib.mkEnableOption "the driver for Argon One Raspberry Pi case fan and power button";
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.argononed;
+      defaultText = "pkgs.argononed";
+      description = ''
+        The package implementing the Argon One driver
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    hardware.i2c.enable = true;
+    hardware.deviceTree.overlays = [
+      {
+        name = "argononed";
+        dtboFile = "${cfg.package}/boot/overlays/argonone.dtbo";
+      }
+      {
+        name = "i2c1-okay-overlay";
+        dtsText = ''
+          /dts-v1/;
+          /plugin/;
+          / {
+            compatible = "brcm,bcm2711";
+            fragment@0 {
+              target = <&i2c1>;
+              __overlay__ {
+                status = "okay";
+              };
+            };
+          };
+        '';
+      }
+    ];
+    environment.systemPackages = [ cfg.package ];
+    systemd.services.argononed = {
+      description = "Argon One Raspberry Pi case Daemon Service";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        Type = "forking";
+        ExecStart = "${cfg.package}/bin/argononed";
+        PIDFile = "/run/argononed.pid";
+        Restart = "on-failure";
+      };
+    };
+  };
+
+  meta.maintainers = with lib.maintainers; [ misterio77 ];
+
+}