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-rw-r--r--ice40/cells.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/ice40/cells.h b/ice40/cells.h
index f1bc5d1f..ff8cc93d 100644
--- a/ice40/cells.h
+++ b/ice40/cells.h
@@ -83,6 +83,9 @@ bool is_clock_port(const PortRef &port);
// Return true if a port is a reset port
bool is_reset_port(const PortRef &port);
+// Return true if a port is a clock enable port
+bool is_enable_port(const PortRef &port);
+
NEXTPNR_NAMESPACE_END
#endif