diff --git a/include/gint/mpu/keysc.h b/include/gint/mpu/keysc.h
new file mode 100644
index 0000000..ed6d932
--- /dev/null
+++ b/include/gint/mpu/keysc.h
@@ -0,0 +1,34 @@
+//---
+// gint:mpu:keysc - Key Scan Controller
+//---
+
+#ifndef GINT_MPU_KEYSC
+#define GINT_MPU_KEYSC
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <gint/defs/attributes.h>
+#include <gint/defs/types.h>
+
+typedef volatile struct {
+    uint16_t KIUDATA[6];
+    uint16_t KIUCNTREG;
+    uint16_t KIAUTOFIXREG;
+    uint16_t KIUMODEREG;
+    uint16_t KIUSTATEREG;
+    uint16_t KIUINTREG;
+    uint16_t KIUWSETREG;
+    uint16_t KIUINTERVALREG;
+    uint16_t KOUTPINSET;
+    uint16_t KINPINSET;
+} GPACKED(4) sh7305_keysc_t;
+
+#define SH7305_KEYSC (*(sh7305_keysc_t *)0xa44b0000)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GINT_MPU_KEYSC */