diff --git a/.gitmodules b/.gitmodules
index c0e6eef03..1a5ae2c5d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -113,3 +113,6 @@
 [submodule "lib/CMSIS_5"]
 	path = lib/CMSIS_5
 	url = https://github.com/ARM-software/CMSIS_5.git
+[submodule "hw/mcu/silabs/cmsis-dfp-efm32gg12b"]
+	path = hw/mcu/silabs/cmsis-dfp-efm32gg12b
+	url = https://github.com/cmsis-packs/cmsis-dfp-efm32gg12b
diff --git a/hw/mcu/silabs/cmsis-dfp-efm32gg12b b/hw/mcu/silabs/cmsis-dfp-efm32gg12b
new file mode 160000
index 000000000..f1c31b788
--- /dev/null
+++ b/hw/mcu/silabs/cmsis-dfp-efm32gg12b
@@ -0,0 +1 @@
+Subproject commit f1c31b7887669cb230b3ea63f9b56769078960bc