add dell xps 9315

dell/xps/13-9315/README.wiki

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+= Dell XPS 13 9315 =
+
+See also 
+
+== Firmware upgrades ==
+
+Note that this device is supported by [https://fwupd.org/ fwupd].
+To perform firmware upgrades just activate the service
+
+<code>
+services.fwupd.enable = true;
+</code>
+
+Then use <code>fwupdmgr</code> to perform updates.
+
+== Additional resources ==
+
+* Arch linux wiki: [https://wiki.archlinux.org/title/Dell_XPS_13_(9315) Dell XPS 13 9315]

dell/xps/13-9315/default.nix

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+{
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [
+    ../../../common/cpu/intel
+    ../../../common/pc/laptop
+    ../../../common/pc/ssd
+  ];
+
+  # enable firmwares with a license allowing redistribution
+  # this includes the Wi-Fi and Bluetooth firmwares
+  hardware.enableRedistributableFirmware = true;
+
+  # touchpad uses I²C, so PS/2 is unnecessary
+  boot.blacklistedKernelModules = ["psmouse"];
+
+  # enable finger print sensor
+  # configure with `sudo fprintd-enroll <username>`
+  services.fprintd.enable = true;
+  services.fprintd.tod.enable = true;
+  services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix;
+
+  # enable updating firmware via `fwupdmgr`
+  services.fwupd.enable = true;
+
+  # enable cooling management, see NixOS/nixos-hardware#127
+  services.thermald.enable = lib.mkDefault true;
+}