Add bjt primitive

src/glayout/pdk/gf180_mapped/gf180_mapped.py

@@ -30,6 +30,9 @@
     "lvpwell": (204, 0),
     "dnwell": (12, 0),
     "CAP_MK": (117, 5),
+    # BJT layers
+    "drc_bjt": (127, 5),
+    "lvs_bjt": (118, 5),
     # _Label Layer Definations
     "metal5_label": (81,10),
     "metal4_label": (46,10),
@@ -60,6 +63,9 @@
     "pwell": "lvpwell",
     "dnwell": "dnwell",
     "capmet": "CAP_MK",
+    # bjt layer
+    "drc_bjt": "drc_bjt",
+    "lvs_bjt": "lvs_bjt",
     # _pin layer ampping
     "met5_pin": "metal5_label",
     "met4_pin": "metal4_label",
@@ -78,6 +84,25 @@
     "active_diff_label": "comp_label",
 }
 
+# Add valid BJT sizes
+
+gf180_valid_bjt_sizes = {
+    "npn" : [
+        (0.54, 2.0),
+        (0.54, 4.0),
+        (0.54, 8.0),
+        (0.54, 16.0),
+        (5.0, 5.0),
+        (10.0, 10.0),
+    ],
+    "pnp" : [
+        (5.0, 0.42),
+        (5.0, 5.0),
+        (10.0, 0.42),
+        (10.0, 10.0),
+    ],
+}
+
 # note for DRC, there is mim_option 'A'. This is the one configured for use
 
 gf180_lydrc_file_path = Path(__file__).resolve().parent / "gf180mcu_drc.lydrc"
@@ -111,6 +136,7 @@
     layers=LAYER,
     pdk_files=pdk_files,
     grules=grulesobj,
+    valid_bjt_sizes=gf180_valid_bjt_sizes
 )
 
 # configure the grid size and other settings

src/glayout/pdk/ihp130_mapped/ihp130_mapped.py

@@ -99,6 +99,13 @@
     "active_diff_label": "activ_pin",
 }
 
+# Add valid BJT sizes
+
+ip130_valid_bjt_sizes = {
+    "npn" : [ ],
+    "pnp" : [ ],
+}
+
 ip130_lydrc_file_path = Path(__file__).resolve().parent / "ihp130_drc.lydrc"
 
 if os.getenv('PDK_ROOT') is None:
@@ -139,6 +146,7 @@
     layers=LAYER,
     pdk_files=pdk_files,
     grules=grulesobj,
+    valid_bjt_sizes=ip130_valid_bjt_sizes
 )
 
 # Configure GDS write precision and cell decorator cache

src/glayout/pdk/mappedpdk.py

@@ -259,6 +259,8 @@ class MappedPDK(Pdk):
         "via4",
         "met5",
         "capmet",
+        "lvs_bjt",
+        "drc_bjt",
         # _pin layers
         "met5_pin",
         "met4_pin",
@@ -292,6 +294,8 @@ class MappedPDK(Pdk):
     grules: dict[StrictStr, dict[StrictStr, Optional[dict[StrictStr, Any]]]]
     pdk_files: dict[StrictStr, Union[PathType, None]]
 
+    valid_bjt_sizes: dict[StrictStr,  list[tuple[float,float]]]
+
     @validator("models")
     def models_check(cls, models_obj: dict[StrictStr, StrictStr]):
         for model in models_obj.keys():

src/glayout/pdk/sky130_mapped/sky130_mapped.py

@@ -106,6 +106,13 @@
 
 }
 
+# Add valid BJT sizes
+
+sky130_valid_bjt_sizes = {
+    "npn" : [ ],
+    "pnp" : [ ],
+}
+
 # openfasoc_dir = Path(__file__).resolve().parent.parent.parent.parent.parent.parent.parent
 
 klayout_drc_file = Path(__file__).resolve().parent / "sky130.lydrc"
@@ -139,7 +146,8 @@
     layers=LAYER,
     grules=grulesobj,
     pdk_files=pdk_files,
-    default_decorator=sky130_add_npc
+    default_decorator=sky130_add_npc,
+    valid_bjt_sizes=sky130_valid_bjt_sizes
 )
 # set the grid size
 sky130_mapped_pdk.gds_write_settings.precision = 5*10**-9