diff --git a/include/circt-c/Dialect/FIRRTL.h b/include/circt-c/Dialect/FIRRTL.h
index 6dfcbe16cb19..7a02f84180b3 100644
--- a/include/circt-c/Dialect/FIRRTL.h
+++ b/include/circt-c/Dialect/FIRRTL.h
@@ -29,6 +29,13 @@ typedef enum FIRRTLConvention {
   FIRRTL_CONVENTION_SCALARIZED,
 } FIRRTLConvention;
 
+/// Layer lowering conventions.
+// NOLINTNEXTLINE(modernize-use-using)
+typedef enum FIRRTLLayerConvention {
+  FIRRTL_LAYER_CONVENTION_BIND,
+  FIRRTL_LAYER_CONVENTION_INLINE,
+} FIRRTLLayerConvention;
+
 /// Port direction.
 // NOLINTNEXTLINE(modernize-use-using)
 typedef enum FIRRTLDirection {
@@ -266,6 +273,10 @@ MLIR_CAPI_EXPORTED MlirType firrtlTypeGetMaskType(MlirType type);
 MLIR_CAPI_EXPORTED MlirAttribute
 firrtlAttrGetConvention(MlirContext ctx, FIRRTLConvention convention);
 
+/// Creates a LayerConventionAttr with the specified value.
+MLIR_CAPI_EXPORTED MlirAttribute
+firrtlAttrGetLayerConvention(MlirContext ctx, FIRRTLLayerConvention convention);
+
 /// Creates a DenseBoolArrayAttr with the specified port directions.
 MLIR_CAPI_EXPORTED MlirAttribute firrtlAttrGetPortDirs(
     MlirContext ctx, size_t count, const FIRRTLDirection *dirs);
diff --git a/lib/CAPI/Dialect/FIRRTL.cpp b/lib/CAPI/Dialect/FIRRTL.cpp
index c3dea4d70dba..3827b07acf67 100644
--- a/lib/CAPI/Dialect/FIRRTL.cpp
+++ b/lib/CAPI/Dialect/FIRRTL.cpp
@@ -291,6 +291,22 @@ MlirAttribute firrtlAttrGetConvention(MlirContext ctx,
   return wrap(ConventionAttr::get(unwrap(ctx), value));
 }
 
+MlirAttribute firrtlAttrGetLayerConvention(MlirContext ctx,
+                                           FIRRTLLayerConvention convention) {
+  LayerConvention value;
+
+  switch (convention) {
+  case FIRRTL_LAYER_CONVENTION_BIND:
+    value = LayerConvention::Bind;
+    break;
+  case FIRRTL_LAYER_CONVENTION_INLINE:
+    value = LayerConvention::Inline;
+    break;
+  }
+
+  return wrap(LayerConventionAttr::get(unwrap(ctx), value));
+}
+
 MlirAttribute firrtlAttrGetPortDirs(MlirContext ctx, size_t count,
                                     const FIRRTLDirection *dirs) {
   static_assert(FIRRTL_DIRECTION_IN ==