diff --git a/tools/topology/topology2/include/dais/mic_extension.conf b/tools/topology/topology2/include/dais/mic_extension.conf
index 6dc12a1f21b2..31628e9b2241 100644
--- a/tools/topology/topology2/include/dais/mic_extension.conf
+++ b/tools/topology/topology2/include/dais/mic_extension.conf
@@ -1,3 +1,6 @@
+## \brief Mic extension class
+## \struct mic_extension
+
 Class.Base."mic_extension" {
 
 	DefineAttribute."id" {}
diff --git a/tools/topology/topology2/include/dais/pdm_config.conf b/tools/topology/topology2/include/dais/pdm_config.conf
index 2a8759a7742c..3745bea7998e 100644
--- a/tools/topology/topology2/include/dais/pdm_config.conf
+++ b/tools/topology/topology2/include/dais/pdm_config.conf
@@ -1,3 +1,6 @@
+## \brief Class for PDM config
+## \struct pdm_config
+
 Class.Base."pdm_config" {
 	DefineAttribute."instance" {}
 	#
diff --git a/tools/topology/topology2/platform/intel/ssp_aux_config.conf b/tools/topology/topology2/platform/intel/ssp_aux_config.conf
index 1a814edef07e..c084faa4195c 100644
--- a/tools/topology/topology2/platform/intel/ssp_aux_config.conf
+++ b/tools/topology/topology2/platform/intel/ssp_aux_config.conf
@@ -1,3 +1,5 @@
+## \struct mn_config
+
 Class.Base."mn_config" {
 	DefineAttribute."id" {}