diff --git a/.gitmodules b/.gitmodules
index 538b4ed66..5f5bee56c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -124,3 +124,6 @@
 [submodule "hw/mcu/gd/nuclei-sdk"]
 	path = hw/mcu/gd/nuclei-sdk
 	url = https://github.com/Nuclei-Software/nuclei-sdk.git
+[submodule "hw/mcu/mindmotion/mm32sdk"]
+	path = hw/mcu/mindmotion/mm32sdk
+	url = https://github.com/hathach/mm32sdk.git
diff --git a/hw/mcu/mindmotion/mm32sdk b/hw/mcu/mindmotion/mm32sdk
new file mode 160000
index 000000000..6512211cc
--- /dev/null
+++ b/hw/mcu/mindmotion/mm32sdk
@@ -0,0 +1 @@
+Subproject commit 6512211cc9e7b0219b88d837a6e44f0bb661e1f5