From 80292f11c8fefe531198cd2bb210f0af70a2bc58 Mon Sep 17 00:00:00 2001
From: Josh Hoffer <jhoffer@sansorgan.es>
Date: Fri, 21 Nov 2025 11:42:33 -0800
Subject: [PATCH] Add nv_tcu_demuxer package

---
 mk-overlay.nix                  | 4 +++-
 pkgs/nv_tcu_demuxer/default.nix | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/nv_tcu_demuxer/default.nix

diff --git a/mk-overlay.nix b/mk-overlay.nix
index 4a63041f..0bdf56b4 100644
--- a/mk-overlay.nix
+++ b/mk-overlay.nix
@@ -297,7 +297,9 @@ makeScope final.newScope (self: {
 
   # TODO(jared): deprecate this
   devicePkgsFromNixosConfig = config: config.system.build.jetsonDevicePkgs;
-}
+} // (optionalAttrs (versionAtLeast jetpackMajorMinorPatchVersion "6") {
+  nv_tcu_demuxer = final.callPackage ./pkgs/nv_tcu_demuxer { inherit (self) bspSrc; };
+})
   # Add the L4T packages
   # NOTE: Since this is adding packages to the top-level, and callPackage's auto args functionality draws from that
   # attribute set, we cannot use self.callPackages because we would end up with infinite recursion.
diff --git a/pkgs/nv_tcu_demuxer/default.nix b/pkgs/nv_tcu_demuxer/default.nix
new file mode 100644
index 00000000..7222c29a
--- /dev/null
+++ b/pkgs/nv_tcu_demuxer/default.nix
@@ -0,0 +1,6 @@
+{ bspSrc, runCommand }:
+
+runCommand "nv_tcu_demuxer" { }
+  ''
+    install -Dm0755 ${bspSrc}/tools/demuxer/nv_tcu_demuxer $out/bin/nv_tcu_demuxer
+  ''