diff --git a/src/sonic-yang-models/doc/Configuration.md b/src/sonic-yang-models/doc/Configuration.md
index e16e6342ea..e0547d8330 100644
--- a/src/sonic-yang-models/doc/Configuration.md
+++ b/src/sonic-yang-models/doc/Configuration.md
@@ -74,6 +74,7 @@ Table of Contents
          * [Restapi](#restapi)
          * [System Port](#system-port)
          * [Tacplus Server](#tacplus-server)
+         * [TC to DSCP map](#tc-to-dscp-map)
          * [TC to Priority group map](#tc-to-priority-group-map)
          * [TC to Queue map](#tc-to-queue-map)
          * [Telemetry](#telemetry)
@@ -2363,6 +2364,21 @@ and is listed in this table.
 }
 ```
 
+### TC to DSCP map
+
+```json
+{
+    "TC_TO_DSCP_MAP": {
+        "AZURE": {
+            "5": "10",
+            "6": "20"
+        }
+    }
+}
+```
+
+**Note:**
+* configuration is mandatory when packet trimming Asymmetric DSCP mode is used
 
 ### TC to Priority group map
 
@@ -2515,7 +2531,8 @@ and try sending it on a different queue to deliver a packet drop notification to
 
 ***TRIMMING***
 
-```
+Symmetric DSCP and static queue:
+```json
 {
     "SWITCH_TRIMMING": {
         "GLOBAL": {
@@ -2527,7 +2544,22 @@ and try sending it on a different queue to deliver a packet drop notification to
 }
 ```
 
+Asymmetric DSCP and dynamic queue:
+```json
+{
+    "SWITCH_TRIMMING": {
+        "GLOBAL": {
+            "size": "128",
+            "dscp_value": "from-tc",
+            "tc_value": "8",
+            "queue_index": "dynamic"
+        }
+    }
+}
+```
+
 **Note:**
+* when `dscp_value` is set to `from-tc`, the `tc_value` is used for mapping to DSCP
 * when `queue_index` is set to `dynamic`, the `dscp_value` is used for mapping to queue
 
 ### Versions
diff --git a/src/sonic-yang-models/tests/files/sample_config_db.json b/src/sonic-yang-models/tests/files/sample_config_db.json
index 167962c595..ad26395085 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -370,7 +370,8 @@
         "SWITCH_TRIMMING": {
             "GLOBAL": {
                 "size": "128",
-                "dscp_value": "48",
+                "dscp_value": "from-tc",
+                "tc_value": "6",
                 "queue_index": "6"
             }
         },
diff --git a/src/sonic-yang-models/tests/yang_model_pytests/test_trimming.py b/src/sonic-yang-models/tests/yang_model_pytests/test_trimming.py
index a8a580d2f0..65da792871 100644
--- a/src/sonic-yang-models/tests/yang_model_pytests/test_trimming.py
+++ b/src/sonic-yang-models/tests/yang_model_pytests/test_trimming.py
@@ -3,19 +3,26 @@
 
 class TestTrimming:
     @pytest.mark.parametrize(
-        "index", [
-            pytest.param('6', id="static"),
-            pytest.param('dynamic', id="dynamic")
+        "queue", [
+            pytest.param('6', id="queue-static"),
+            pytest.param('dynamic', id="queue-dynamic")
         ]
     )
-    def test_valid_data(self, yang_model, index):
+    @pytest.mark.parametrize(
+        "dscp", [
+            pytest.param('48', id="dscp-symmetric"),
+            pytest.param('from-tc', id="dscp-asymmetric")
+        ]
+    )
+    def test_valid_data(self, yang_model, dscp, queue):
         data = {
             "sonic-trimming:sonic-trimming": {
                 "sonic-trimming:SWITCH_TRIMMING": {
                     "GLOBAL": {
                         "size": "128",
-                        "dscp_value": "48",
-                        "queue_index": index
+                        "dscp_value": dscp,
+                        "tc_value": "6",
+                        "queue_index": queue
                     }
                 }
             }
@@ -45,7 +52,7 @@ def test_neg_size(self, yang_model, size, error_message):
     @pytest.mark.parametrize(
         "dscp,error_message", [
             pytest.param('-1', 'Invalid value', id="min-1"),
-            pytest.param('64', 'Invalid DSCP value', id="max+1")
+            pytest.param('64', 'Invalid value', id="max+1")
         ]
     )
     def test_neg_dscp_value(self, yang_model, dscp, error_message):
@@ -62,17 +69,36 @@ def test_neg_dscp_value(self, yang_model, dscp, error_message):
         yang_model.load_data(data, error_message)
 
     @pytest.mark.parametrize(
-        "index,error_message", [
+        "tc,error_message", [
+            pytest.param('-1', 'Invalid value', id="min-1"),
+            pytest.param('256', 'Invalid value', id="max+1")
+        ]
+    )
+    def test_neg_tc_value(self, yang_model, tc, error_message):
+        data = {
+            "sonic-trimming:sonic-trimming": {
+                "sonic-trimming:SWITCH_TRIMMING": {
+                    "GLOBAL": {
+                        "tc_value": tc
+                    }
+                }
+            }
+        }
+
+        yang_model.load_data(data, error_message)
+
+    @pytest.mark.parametrize(
+        "queue,error_message", [
             pytest.param('-1', 'Invalid value', id="min-1"),
             pytest.param('256', 'Invalid value', id="max+1")
         ]
     )
-    def test_neg_queue_index(self, yang_model, index, error_message):
+    def test_neg_queue_index(self, yang_model, queue, error_message):
         data = {
             "sonic-trimming:sonic-trimming": {
                 "sonic-trimming:SWITCH_TRIMMING": {
                     "GLOBAL": {
-                        "queue_index": index
+                        "queue_index": queue
                     }
                 }
             }
diff --git a/src/sonic-yang-models/yang-models/sonic-trimming.yang b/src/sonic-yang-models/yang-models/sonic-trimming.yang
index f524b1bc7f..2cb6e654fb 100644
--- a/src/sonic-yang-models/yang-models/sonic-trimming.yang
+++ b/src/sonic-yang-models/yang-models/sonic-trimming.yang
@@ -25,19 +25,31 @@ module sonic-trimming {
                 }
 
                 leaf dscp_value {
-                    description "DSCP value assigned to a packet after trimming";
-                    type uint8 {
-                        range "0..63" {
-                            error-message "Invalid DSCP value";
-                            error-app-tag dscp-invalid;
+                    description
+                        "DSCP value assigned to a packet after trimming.
+                        When set to from-tc, the tc_value is used for mapping to the DSCP";
+                    type union {
+                        type uint8 {
+                            range "0..63" {
+                                error-message "Invalid DSCP value";
+                                error-app-tag dscp-invalid;
+                            }
+                        }
+                        type string {
+                            pattern "from-tc";
                         }
                     }
                 }
 
+                leaf tc_value {
+                    description "TC value assigned to a packet after trimming";
+                    type uint8;
+                }
+
                 leaf queue_index {
                     description
                         "Queue index to use for transmission of a packet after trimming.
-                        When set to dynamic, the dscp_value is used for mapping to queue";
+                        When set to dynamic, the dscp_value is used for mapping to the queue";
                     type union {
                         type uint8;
                         type string {