diff --git a/.gitmodules b/.gitmodules
index 78d334ffd1..4e2a8958d4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,3 +22,9 @@
 [submodule "modules/ChibiOS"]
 	path = modules/ChibiOS
 	url = git://github.com/ArduPilot/ChibiOS.git
+[submodule "libraries/AP_HAL_F4Light/support/minimosd-extra"]
+	path = libraries/AP_HAL_F4Light/support/minimosd-extra
+	url = https://github.com/night-ghost/minimosd-extra
+[submodule "libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries"]
+	path = libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
+	url = https://github.com/night-ghost/SPL
diff --git a/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries b/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
new file mode 160000
index 0000000000..a4cac64af5
--- /dev/null
+++ b/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
@@ -0,0 +1 @@
+Subproject commit a4cac64af5db8d61798dcc6fe103fa628897e640
diff --git a/libraries/AP_HAL_F4Light/support/minimosd-extra b/libraries/AP_HAL_F4Light/support/minimosd-extra
new file mode 160000
index 0000000000..9c3387c324
--- /dev/null
+++ b/libraries/AP_HAL_F4Light/support/minimosd-extra
@@ -0,0 +1 @@
+Subproject commit 9c3387c324d283e1c18f01374add8fc6e0638bf9