diff --git a/ports/rp2/mpconfigport.h b/ports/rp2/mpconfigport.h
index f5391b5a78..c987a0dc24 100644
--- a/ports/rp2/mpconfigport.h
+++ b/ports/rp2/mpconfigport.h
@@ -201,6 +201,11 @@ extern const struct _mp_obj_type_t mod_network_nic_type_wiznet5k;
     MICROPY_HW_NIC_WIZNET5K \
     MICROPY_BOARD_NETWORK_INTERFACES \
 
+// Additional entries for use with pendsv_schedule_dispatch.
+#ifndef MICROPY_BOARD_PENDSV_ENTRIES
+#define MICROPY_BOARD_PENDSV_ENTRIES
+#endif
+
 #define MP_STATE_PORT MP_STATE_VM
 
 // Miscellaneous settings
diff --git a/ports/rp2/pendsv.c b/ports/rp2/pendsv.c
index 91b133c069..e4f662715f 100644
--- a/ports/rp2/pendsv.c
+++ b/ports/rp2/pendsv.c
@@ -25,6 +25,7 @@
  */
 
 #include <assert.h>
+#include "py/mpconfig.h"
 #include "pendsv.h"
 #include "RP2040.h"
 
diff --git a/ports/rp2/pendsv.h b/ports/rp2/pendsv.h
index 1da3d22e53..294cef3c70 100644
--- a/ports/rp2/pendsv.h
+++ b/ports/rp2/pendsv.h
@@ -38,6 +38,7 @@ enum {
     #if MICROPY_PY_NETWORK_WIZNET5K
     PENDSV_DISPATCH_WIZNET,
     #endif
+    MICROPY_BOARD_PENDSV_ENTRIES
     PENDSV_DISPATCH_MAX
 };