package megi's linux firmware

pkgs/additional/linux-firmware-megous/default.nix

@@ -0,0 +1,41 @@
+{ stdenv
+, lib
+, fetchgit
+, anx7688 ? true  # USB-C chip (pinephone)
+, ov5640 ? true   # camera (pinephone: rear camera)
+, rtl_bt ? true   # rtl8723cs bluetooth (pinephone)
+# other files in megi's repo:
+# - brcm/
+#   - brcmfmac43362-*
+#   - brcmfmac43455-sdio-*: BCM43455 WiFi/BT (raspberry pi 4b)
+#   - brcmfmac43456-*
+# - hm5065-*.bin:  5 MP sensor used in the pine devboards (likely not in the phones)
+# - regulatory.db
+# - rockchip/dptx.bin
+# - rtlwifi/rtl8188eufw.bin
+# - rtw88/rtw8822c-*.bin
+# - rtw89/rtw8852a_fw.bin
+}:
+stdenv.mkDerivation {
+  name = "linux-firmware-megous";
+  version = "unstable-2023-2023-05-06";
+  src = fetchgit {
+    url = "https://megous.com/git/linux-firmware";
+    rev = "0510074346983ad33b3d52ce8f5d6a8f89a564a8";
+    hash = "sha256-qZVkGv4PCqKSYz92yy0+9oZY7dPW24rmj5obeaVXt0Y=";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p "$out/lib/firmware"
+    ${lib.optionalString rtl_bt "cp -R rtl_bt $out/lib/firmware"}
+    ${lib.optionalString anx7688 "cp anx7688-fw.bin $out/lib/firmware"}
+    ${lib.optionalString ov5640 "cp ov5640_af.bin $out/lib/firmware"}
+  '';
+
+  meta = with lib; {
+    description = "firmware files associated with megi's kernel, particularly for the pinephone";
+    homepage = "https://xnux.eu/howtos/build-pinephone-kernel.html#toc-firmware-files";
+  };
+}

pkgs/default.nix

@@ -44,6 +44,7 @@ let
     koreader-from-src = callPackage ./additional/koreader-from-src { };
     ldd-aarch64 = callPackage ./additional/ldd-aarch64 { };
     lightdm-mobile-greeter = callPackage ./additional/lightdm-mobile-greeter { };
+    linux-firmware-megous = callPackage ./additional/linux-firmware-megous { };
     linux-manjaro = callPackage ./additional/linux-manjaro { };
     linux-megous = callPackage ./additional/linux-megous { };
     mcg = callPackage ./additional/mcg { };