diff --git a/ion/src/device/regs/rcc.h b/ion/src/device/regs/rcc.h
index f5a49d08b..805b91341 100644
--- a/ion/src/device/regs/rcc.h
+++ b/ion/src/device/regs/rcc.h
@@ -60,6 +60,11 @@ public:
     REGS_BOOL_FIELD(DMA2EN, 22);
   };
 
+  class AHB2ENR : Register32 {
+  public:
+    REGS_BOOL_FIELD(RNGEN, 6);
+  };
+
   class AHB3ENR : Register32 {
   public:
     REGS_BOOL_FIELD(FSMCEN, 0);
@@ -92,6 +97,7 @@ public:
   REGS_REGISTER_AT(PLLCFGR, 0x04);
   REGS_REGISTER_AT(CFGR, 0x08);
   REGS_REGISTER_AT(AHB1ENR, 0x30);
+  REGS_REGISTER_AT(AHB2ENR, 0x34);
   REGS_REGISTER_AT(AHB3ENR, 0x38);
   REGS_REGISTER_AT(APB1ENR, 0x40);
   REGS_REGISTER_AT(APB2ENR, 0x44);
diff --git a/ion/src/device/regs/regs.h b/ion/src/device/regs/regs.h
index 4b96a63a3..9375e1ed7 100644
--- a/ion/src/device/regs/regs.h
+++ b/ion/src/device/regs/regs.h
@@ -11,6 +11,7 @@
 #include "itm.h"
 #include "pwr.h"
 #include "rcc.h"
+#include "rng.h"
 #include "sdio.h"
 #include "syscfg.h"
 #include "tim.h"
diff --git a/ion/src/device/regs/rng.h b/ion/src/device/regs/rng.h
new file mode 100644
index 000000000..6aa2d6505
--- /dev/null
+++ b/ion/src/device/regs/rng.h
@@ -0,0 +1,33 @@
+#ifndef REGS_RNG_H
+#define REGS_RNG_H
+
+#include "register.h"
+
+class RNG {
+public:
+  class CR : Register32 {
+  public:
+    REGS_BOOL_FIELD(RNGEN, 2);
+  };
+
+  class SR : Register32 {
+  public:
+    REGS_BOOL_FIELD(DRDY, 0);
+  };
+
+  class DR : public Register32 {
+  };
+
+  constexpr RNG() {};
+  REGS_REGISTER_AT(CR, 0x00);
+  REGS_REGISTER_AT(SR, 0x04);
+  REGS_REGISTER_AT(DR, 0x08);
+private:
+  constexpr uint32_t Base() const {
+    return 0x50060800;
+  }
+};
+
+constexpr RNG RNG;
+
+#endif