diff --git a/utils/cam-configs/am62.py b/utils/cam-configs/am62.py
index 497caaa..584fd5b 100644
--- a/utils/cam-configs/am62.py
+++ b/utils/cam-configs/am62.py
@@ -159,5 +159,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/am62a-fpd.py b/utils/cam-configs/am62a-fpd.py
index 7e0a3bf..5678985 100644
--- a/utils/cam-configs/am62a-fpd.py
+++ b/utils/cam-configs/am62a-fpd.py
@@ -261,5 +261,5 @@ def gen_ub953_tpg(port):
 configurations['cam2-meta'] = gen_imx219_meta(2)
 configurations['cam3-meta'] = gen_imx219_meta(3)
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0', 'cam1', 'cam2', 'cam3'])
diff --git a/utils/cam-configs/debix-tpg.py b/utils/cam-configs/debix-tpg.py
index 20fa54e..3a85a5b 100644
--- a/utils/cam-configs/debix-tpg.py
+++ b/utils/cam-configs/debix-tpg.py
@@ -72,5 +72,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/debix.py b/utils/cam-configs/debix.py
index 80cc712..f077d20 100644
--- a/utils/cam-configs/debix.py
+++ b/utils/cam-configs/debix.py
@@ -68,5 +68,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/desky.py b/utils/cam-configs/desky.py
index fc315f6..c9a053b 100644
--- a/utils/cam-configs/desky.py
+++ b/utils/cam-configs/desky.py
@@ -26,5 +26,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['desky'])
diff --git a/utils/cam-configs/dra76-fpd.py b/utils/cam-configs/dra76-fpd.py
index 5555f4f..1b1bbc7 100644
--- a/utils/cam-configs/dra76-fpd.py
+++ b/utils/cam-configs/dra76-fpd.py
@@ -535,5 +535,5 @@ def gen_ub953_tpg(port):
 configurations['cam2-meta'] = gen_ov10635_meta(2)
 configurations['cam3-meta'] = gen_imx219_meta(3)
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0', 'cam1', 'cam2'])
diff --git a/utils/cam-configs/dra76-ov5640.py b/utils/cam-configs/dra76-ov5640.py
index c58a322..db82388 100644
--- a/utils/cam-configs/dra76-ov5640.py
+++ b/utils/cam-configs/dra76-ov5640.py
@@ -57,5 +57,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['ov5640'])
diff --git a/utils/cam-configs/j7-ov5640.py b/utils/cam-configs/j7-ov5640.py
index e8f0068..3e5a61b 100644
--- a/utils/cam-configs/j7-ov5640.py
+++ b/utils/cam-configs/j7-ov5640.py
@@ -42,5 +42,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['ov5640'])
diff --git a/utils/cam-configs/lappy.py b/utils/cam-configs/lappy.py
index 1df22cf..9608534 100644
--- a/utils/cam-configs/lappy.py
+++ b/utils/cam-configs/lappy.py
@@ -25,5 +25,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['lappy'])
diff --git a/utils/cam-configs/loopback.py b/utils/cam-configs/loopback.py
index 55b3ada..9d34fa9 100644
--- a/utils/cam-configs/loopback.py
+++ b/utils/cam-configs/loopback.py
@@ -20,5 +20,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/rpi4.py b/utils/cam-configs/rpi4.py
index 24853a0..ad59b1f 100644
--- a/utils/cam-configs/rpi4.py
+++ b/utils/cam-configs/rpi4.py
@@ -104,5 +104,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/rpi5-fpd.py b/utils/cam-configs/rpi5-fpd.py
index 1728720..10dda3d 100644
--- a/utils/cam-configs/rpi5-fpd.py
+++ b/utils/cam-configs/rpi5-fpd.py
@@ -246,5 +246,5 @@ def gen_ub953_tpg(port):
 configurations['cam0-tpg'] = gen_ub953_tpg(0)
 configurations['cam1-tpg'] = gen_ub953_tpg(1)
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/rpi5-gmsl.py b/utils/cam-configs/rpi5-gmsl.py
index dabc4c7..028e908 100644
--- a/utils/cam-configs/rpi5-gmsl.py
+++ b/utils/cam-configs/rpi5-gmsl.py
@@ -1,9 +1,10 @@
 import v4l2
 import v4l2.uapi
 
-USE_RAW_10=False
+USE_RAW_10=True
 MEDIA_DEVICE_NAME = ('rp1-cfe', 'model')
-DESER_NAME = 'max96724 6-0027'
+CSI2_NAME = 'csi2'
+DESER_REGEX = '(max96724|max9296a) [0-9]+-[a-f0-9]+'
 
 # Pixel
 
@@ -37,10 +38,9 @@
 fmt_tpg = (640, 480, v4l2.PixelFormats.BGR888)
 
 
-def gen_imx219_pixel(cameras, port):
+def gen_imx219_pixel(des_ent, des_src_pad, ch_index, cameras, port):
     sensor_ent = cameras[port][1]
     ser_ent = cameras[port][0]
-    des_ent = DESER_NAME
 
     return {
         'media': MEDIA_DEVICE_NAME,
@@ -75,30 +75,30 @@ def gen_imx219_pixel(cameras, port):
             {
                 'entity': des_ent,
                 'routing': [
-                    { 'src': (port, 0), 'dst': (6, port) },
+                    { 'src': (port, 0), 'dst': (des_src_pad, port) },
                 ],
                 'pads': [
                     { 'pad': (port, 0), 'fmt': mbus_fmt_imx219 },
-                    { 'pad': (6, port), 'fmt': mbus_fmt_imx219 },
+                    { 'pad': (des_src_pad, port), 'fmt': mbus_fmt_imx219 },
                 ],
             },
 
             # CSI-2 RX
             {
-                'entity': 'csi2',
+                'entity': CSI2_NAME,
                 'routing': [
-                    { 'src': (0, port), 'dst': (1 + port, 0) },
+                    { 'src': (0, port), 'dst': (1 + ch_index, 0) },
                 ],
                 'pads': [
                     { 'pad': (0, port), 'fmt': mbus_fmt_imx219 },
-                    { 'pad': (1 + port, 0), 'fmt': mbus_fmt_imx219 },
+                    { 'pad': (1 + ch_index, 0), 'fmt': mbus_fmt_imx219 },
                 ],
             },
         ],
 
         'devices': [
             {
-                'entity': f'rp1-cfe-csi2-ch{port}',
+                'entity': f'rp1-cfe-csi2-ch{ch_index}',
                 'fmt': fmt_pix,
                 'kms-format': v4l2.PixelFormats.RGB565,
             },
@@ -107,15 +107,14 @@ def gen_imx219_pixel(cameras, port):
         'links': [
             { 'src': (sensor_ent, 0), 'dst': (ser_ent, 0) },
             { 'src': (ser_ent, 1), 'dst': (des_ent, port) },
-            { 'src': (des_ent, 6), 'dst': ('csi2', 0) },
-            { 'src': ('csi2', 1 + port), 'dst': (f'rp1-cfe-csi2-ch{port}', 0) },
+            { 'src': (des_ent, des_src_pad), 'dst': (CSI2_NAME, 0) },
+            { 'src': (CSI2_NAME, 1 + ch_index), 'dst': (f'rp1-cfe-csi2-ch{ch_index}', 0) },
         ],
     }
 
-def gen_imx219_meta(cameras, port):
+def gen_imx219_meta(des_ent, des_src_pad, ch_index, cameras, port):
     sensor_ent = cameras[port][1]
     ser_ent = cameras[port][0]
-    des_ent = DESER_NAME
 
     return {
         'media': MEDIA_DEVICE_NAME,
@@ -148,30 +147,30 @@ def gen_imx219_meta(cameras, port):
             {
                 'entity': des_ent,
                 'routing': [
-                    { 'src': (port, 1), 'dst': (6, port + 4) },
+                    { 'src': (port, 1), 'dst': (des_src_pad, port + 4) },
                 ],
                 'pads': [
                     { 'pad': (port, 1), 'fmt': mbus_fmt_imx219_meta },
-                    { 'pad': (6, port + 4), 'fmt': mbus_fmt_imx219_meta },
+                    { 'pad': (des_src_pad, port + 4), 'fmt': mbus_fmt_imx219_meta },
                 ],
             },
 
             # CSI-2 RX
             {
-                'entity': 'csi2',
+                'entity': CSI2_NAME,
                 'routing': [
-                    { 'src': (0, port + 4), 'dst': (1 + port + 2, 0) },
+                    { 'src': (0, port + 4), 'dst': (1 + ch_index, 0) },
                 ],
                 'pads': [
                     { 'pad': (0, port + 4), 'fmt': mbus_fmt_imx219_meta },
-                    { 'pad': (1 + port + 2, 0), 'fmt': mbus_fmt_imx219_meta },
+                    { 'pad': (1 + ch_index, 0), 'fmt': mbus_fmt_imx219_meta },
                 ],
             },
         ],
 
         'devices': [
             {
-                'entity': f'rp1-cfe-csi2-ch{port + 2}',
+                'entity': f'rp1-cfe-csi2-ch{ch_index}',
                 'fmt': fmt_pix_imx219_meta,
                 'embedded': True,
                 'display': False,
@@ -182,14 +181,12 @@ def gen_imx219_meta(cameras, port):
         'links': [
             { 'src': (sensor_ent, 0), 'dst': (ser_ent, 0) },
             { 'src': (ser_ent, 1), 'dst': (des_ent, port) },
-            { 'src': (des_ent, 6), 'dst': ('csi2', 0) },
-            { 'src': ('csi2', 1 + port + 2), 'dst': (f'rp1-cfe-csi2-ch{port + 2}', 0) },
+            { 'src': (des_ent, des_src_pad), 'dst': (CSI2_NAME, 0) },
+            { 'src': (CSI2_NAME, 1 + ch_index), 'dst': (f'rp1-cfe-csi2-ch{ch_index}', 0) },
         ],
     }
 
-def gen_des_tpg():
-    des_ent = DESER_NAME
-
+def gen_des_tpg(des_ent, des_src_pad, ch_index):
     return {
         'media': MEDIA_DEVICE_NAME,
 
@@ -198,43 +195,42 @@ def gen_des_tpg():
             {
                 'entity': des_ent,
                 'routing': [
-                    { 'src': (8, 0), 'dst': (6, 0) },
+                    { 'src': (8, 0), 'dst': (des_src_pad, 0) },
                 ],
                 'pads': [
                     { 'pad': (8, 0), 'fmt': mbus_fmt_tpg },
-                    { 'pad': (6, 0), 'fmt': mbus_fmt_tpg },
+                    { 'pad': (des_src_pad, 0), 'fmt': mbus_fmt_tpg },
                 ],
             },
 
             # CSI-2 RX
             {
-                'entity': 'csi2',
+                'entity': CSI2_NAME,
                 'routing': [
-                    { 'src': (0, 0), 'dst': (1, 0) },
+                    { 'src': (0, 0), 'dst': (1 + ch_index, 0) },
                 ],
                 'pads': [
                     { 'pad': (0, 0), 'fmt': mbus_fmt_tpg },
-                    { 'pad': (1, 0), 'fmt': mbus_fmt_tpg },
+                    { 'pad': (1 + ch_index, 0), 'fmt': mbus_fmt_tpg },
                 ],
             },
         ],
 
         'devices': [
             {
-                'entity': 'rp1-cfe-csi2-ch0',
+                'entity': f'rp1-cfe-csi2-ch{ch_index}',
                 'fmt': fmt_tpg,
             },
         ],
 
         'links': [
-            { 'src': (des_ent, 6), 'dst': ('csi2', 0) },
-            { 'src': ('csi2', 1), 'dst': ('rp1-cfe-csi2-ch0', 0) },
+            { 'src': (des_ent, des_src_pad), 'dst': (CSI2_NAME, 0) },
+            { 'src': (CSI2_NAME, 1 + ch_index), 'dst': (f'rp1-cfe-csi2-ch{ch_index}', 0) },
         ],
     }
 
-def gen_ser_tpg(cameras, port):
+def gen_ser_tpg(des_ent, des_src_pad, ch_index, cameras, port):
     ser_ent = cameras[port][0]
-    des_ent = DESER_NAME
 
     return {
         'media': MEDIA_DEVICE_NAME,
@@ -255,23 +251,23 @@ def gen_ser_tpg(cameras, port):
             {
                 'entity': des_ent,
                 'routing': [
-                    { 'src': (port, 0), 'dst': (6, port) },
+                    { 'src': (port, 0), 'dst': (des_src_pad, port) },
                 ],
                 'pads': [
                     { 'pad': (port, 0), 'fmt': mbus_fmt_tpg },
-                    { 'pad': (6, port), 'fmt': mbus_fmt_tpg },
+                    { 'pad': (des_src_pad, port), 'fmt': mbus_fmt_tpg },
                 ],
             },
 
             # CSI-2 RX
             {
-                'entity': 'csi2',
+                'entity': CSI2_NAME,
                 'routing': [
-                    { 'src': (0, port), 'dst': (1 + port, 0) },
+                    { 'src': (0, port), 'dst': (1 + ch_index, 0) },
                 ],
                 'pads': [
                     { 'pad': (0, port), 'fmt': mbus_fmt_tpg },
-                    { 'pad': (1 + port, 0), 'fmt': mbus_fmt_tpg },
+                    { 'pad': (1 + ch_index, 0), 'fmt': mbus_fmt_tpg },
                 ],
             },
         ],
@@ -285,21 +281,32 @@ def gen_ser_tpg(cameras, port):
 
         'links': [
             { 'src': (ser_ent, 1), 'dst': (des_ent, port) },
-            { 'src': (des_ent, 6), 'dst': ('csi2', 0) },
-            { 'src': ('csi2', 1 + port), 'dst': (f'rp1-cfe-csi2-ch{port}', 0) },
+            { 'src': (des_ent, des_src_pad), 'dst': (CSI2_NAME, 0) },
+            { 'src': (CSI2_NAME, 1 + ch_index), 'dst': (f'rp1-cfe-csi2-ch{ch_index}', 0) },
         ],
     }
 
 # Find serializers and sensors connected to the deserializer
-def find_devices(mdev_name, deser_name):
+def find_devices(mdev_name, deser_regex):
     md = v4l2.MediaDevice(*mdev_name)
     assert md
-    deser = md.find_entity(deser_name)
+    deser = md.find_entity(regex=deser_regex)
     assert deser
 
+    deser_src_pad = None
+    for p in deser.pads:
+        if p.is_source and len(p.links) == 1 and \
+            p.links[0].sink.entity.name == CSI2_NAME:
+            deser_src_pad = p.index
+            break
+    assert deser_src_pad is not None
+
     cameras = {}
 
-    for p in [p for p in deser.pads if p.index < 4]:
+    for p in deser.pads:
+        if not p.is_sink:
+            continue
+
         if len(p.links) == 0:
             continue
 
@@ -310,19 +317,34 @@ def find_devices(mdev_name, deser_name):
 
         cameras[p.index] = (ser.name, sensor.name)
 
-    return cameras
+    return deser.name, deser_src_pad, cameras
 
-def get_configs():
-    cameras = find_devices(MEDIA_DEVICE_NAME, DESER_NAME)
+def get_configs(*, config_names, **kwargs):
+    des_name, des_src_pad, cameras = find_devices(MEDIA_DEVICE_NAME, DESER_REGEX)
 
     num_cameras = len(cameras)
 
     configurations = {}
+    ch_index = 0
     for i in range(num_cameras):
-        configurations[f'cam{i}'] = gen_imx219_pixel(cameras, i)
-        configurations[f'cam{i}-meta'] = gen_imx219_meta(cameras, i)
-        configurations[f'ser{i}-tpg'] = gen_ser_tpg(cameras, i)
+        cam = f'cam{i}'
+        cam_meta = f'cam{i}-meta'
+        ser_tpg = f'ser{i}-tpg'
+
+        if cam in config_names:
+            configurations[cam] = gen_imx219_pixel(des_name, des_src_pad, ch_index, cameras, i)
+            ch_index += 1
+
+        if cam_meta in config_names:
+            configurations[cam_meta] = gen_imx219_meta(des_name, des_src_pad, ch_index, cameras, i)
+            ch_index += 1
+
+        if ser_tpg in config_names:
+            configurations[ser_tpg] = gen_ser_tpg(des_name, des_src_pad, ch_index, cameras, i)
+            ch_index += 1
 
-    configurations['des-tpg'] = gen_des_tpg()
+    if 'des-tpg' in config_names:
+        configurations['des-tpg'] = gen_des_tpg(des_name, des_src_pad, ch_index)
+        ch_index += 1
 
-    return (configurations, ['cam0'])
+    return (configurations, config_names)
diff --git a/utils/cam-configs/rpi5.py b/utils/cam-configs/rpi5.py
index 0f47b66..9050541 100644
--- a/utils/cam-configs/rpi5.py
+++ b/utils/cam-configs/rpi5.py
@@ -178,5 +178,5 @@
     }
 
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/vimc.py b/utils/cam-configs/vimc.py
index a3183d7..e8f2403 100644
--- a/utils/cam-configs/vimc.py
+++ b/utils/cam-configs/vimc.py
@@ -53,5 +53,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/vivid.py b/utils/cam-configs/vivid.py
index 1d95c52..3b21a25 100644
--- a/utils/cam-configs/vivid.py
+++ b/utils/cam-configs/vivid.py
@@ -21,5 +21,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['cam0'])
diff --git a/utils/cam-configs/xilinx-tpg.py b/utils/cam-configs/xilinx-tpg.py
index 42834a8..85743b5 100644
--- a/utils/cam-configs/xilinx-tpg.py
+++ b/utils/cam-configs/xilinx-tpg.py
@@ -33,5 +33,5 @@
     ],
 }
 
-def get_configs():
+def get_configs(**kwargs):
     return (configurations, ['tpg'])
diff --git a/utils/cam_helpers.py b/utils/cam_helpers.py
index 7d7fecf..572c5af 100644
--- a/utils/cam_helpers.py
+++ b/utils/cam_helpers.py
@@ -112,9 +112,9 @@ def read_config(config_name, params):
 
     sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/cam-configs')
     if params:
-        configurations, default_configurations = importlib.import_module(config_file).get_configs(params)
+        configurations, default_configurations = importlib.import_module(config_file).get_configs(params=params, config_names=config_names)
     else:
-        configurations, default_configurations = importlib.import_module(config_file).get_configs()
+        configurations, default_configurations = importlib.import_module(config_file).get_configs(config_names=config_names)
 
     if len(config_names) == 0:
         config_names = default_configurations
diff --git a/v4l2/media.py b/v4l2/media.py
index 93fde81..cee8619 100644
--- a/v4l2/media.py
+++ b/v4l2/media.py
@@ -2,6 +2,7 @@
 
 import ctypes
 import fcntl
+import re
 import weakref
 import os
 import glob
@@ -289,8 +290,14 @@ def interfaces(self):
     def find_id(self, id) -> MediaObject | None:
         return next((o for o in self.objects if o.id == id), None)
 
-    def find_entity(self, name):
+    def find_entity(self, name=None, regex=None):
         for e in self.entities:
-            if fnmatch.fnmatch(e.name, name):
-                return e
+            if name is not None and not fnmatch.fnmatch(e.name, name):
+                continue
+
+            if regex is not None and re.match(regex, e.name) is None:
+                continue
+
+            return e
+
         return None