diff --git a/device/milkv-duo256m/overlay/usr/bin/cvi_pinmux b/device/milkv-duo256m/overlay/usr/bin/cvi_pinmux new file mode 100755 index 000000000..afda312e7 Binary files /dev/null and b/device/milkv-duo256m/overlay/usr/bin/cvi_pinmux differ diff --git a/device/milkv-duo256m/overlay/usr/bin/duo-pinmux b/device/milkv-duo256m/overlay/usr/bin/duo-pinmux new file mode 100755 index 000000000..5780191a8 Binary files /dev/null and b/device/milkv-duo256m/overlay/usr/bin/duo-pinmux differ