1 files changed, 12 insertions, 1 deletions
diff --git a/nixos/modules/hardware/device-tree.nix b/nixos/modules/hardware/device-tree.nix
index cf553497c89..b3f1dda98c8 100644
--- a/nixos/modules/hardware/device-tree.nix
+++ b/nixos/modules/hardware/device-tree.nix
@@ -22,11 +22,22 @@ in {
           example = literalExample "pkgs.device-tree_rpi";
           type = types.path;
           description = ''
-            The package containing the base device-tree (.dtb) to boot. Contains
+            The path containing the base device-tree (.dtb) to boot. Contains
             device trees bundled with the Linux kernel by default.
           '';
         };
 
+        name = mkOption {
+          default = null;
+          example = "some-dtb.dtb";
+          type = types.nullOr types.str;
+          description = ''
+            The name of an explicit dtb to be loaded, relative to the dtb base.
+            Useful in extlinux scenarios if the bootloader doesn't pick the
+            right .dtb file from FDTDIR.
+          '';
+        };
+
         overlays = mkOption {
           default = [];
           example = literalExample