diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 6b64ec78d1b6..cf2958093fc8 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -1627,3 +1627,97 @@ u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale)
 {
 	return ale ? ale->params.ale_entries : 0;
 }
+
+/* Reads the specified policer index into ALE POLICER registers */
+static void cpsw_ale_policer_read_idx(struct cpsw_ale *ale, u32 idx)
+{
+	idx &= ALE_POLICER_TBL_INDEX_MASK;
+	writel_relaxed(idx, ale->params.ale_regs + ALE_POLICER_TBL_CTL);
+}
+
+/* Writes the ALE POLICER registers into the specified policer index */
+static void cpsw_ale_policer_write_idx(struct cpsw_ale *ale, u32 idx)
+{
+	idx &= ALE_POLICER_TBL_INDEX_MASK;
+	idx |= ALE_POLICER_TBL_WRITE_ENABLE;
+	writel_relaxed(idx, ale->params.ale_regs + ALE_POLICER_TBL_CTL);
+}
+
+/* enables/disables the custom thread value for the specified policer index */
+static void cpsw_ale_policer_thread_idx_enable(struct cpsw_ale *ale, u32 idx,
+					       u32 thread_id, bool enable)
+{
+	regmap_field_write(ale->fields[ALE_THREAD_CLASS_INDEX], idx);
+	regmap_field_write(ale->fields[ALE_THREAD_VALUE], thread_id);
+	regmap_field_write(ale->fields[ALE_THREAD_ENABLE], enable ? 1 : 0);
+}
+
+/* Disable all policer entries and thread mappings */
+static void cpsw_ale_policer_reset(struct cpsw_ale *ale)
+{
+	int i;
+
+	for (i = 0; i < ale->params.num_policers ; i++) {
+		cpsw_ale_policer_read_idx(ale, i);
+		regmap_field_write(ale->fields[POL_PORT_MEN], 0);
+		regmap_field_write(ale->fields[POL_PRI_MEN], 0);
+		regmap_field_write(ale->fields[POL_OUI_MEN], 0);
+		regmap_field_write(ale->fields[POL_DST_MEN], 0);
+		regmap_field_write(ale->fields[POL_SRC_MEN], 0);
+		regmap_field_write(ale->fields[POL_OVLAN_MEN], 0);
+		regmap_field_write(ale->fields[POL_IVLAN_MEN], 0);
+		regmap_field_write(ale->fields[POL_ETHERTYPE_MEN], 0);
+		regmap_field_write(ale->fields[POL_IPSRC_MEN], 0);
+		regmap_field_write(ale->fields[POL_IPDST_MEN], 0);
+		regmap_field_write(ale->fields[POL_EN], 0);
+		regmap_field_write(ale->fields[POL_RED_DROP_EN], 0);
+		regmap_field_write(ale->fields[POL_YELLOW_DROP_EN], 0);
+		regmap_field_write(ale->fields[POL_PRIORITY_THREAD_EN], 0);
+
+		cpsw_ale_policer_thread_idx_enable(ale, i, 0, 0);
+	}
+}
+
+/* Default classifier is to map 8 user priorities to N receive channels */
+void cpsw_ale_classifier_setup_default(struct cpsw_ale *ale, int num_rx_ch)
+{
+	int pri, idx;
+	/* IEEE802.1D-2004, Standard for Local and metropolitan area networks
+	 *    Table G-2 - Traffic type acronyms
+	 *    Table G-3 - Defining traffic types
+	 * User priority values 1 and 2 effectively communicate a lower
+	 * priority than 0. In the below table 0 is assigned to higher priority
+	 * thread than 1 and 2 wherever possible.
+	 * The below table maps which thread the user priority needs to be
+	 * sent to for a given number of threads (RX channels). Upper threads
+	 * have higher priority.
+	 * e.g. if number of threads is 8 then user priority 0 will map to
+	 * pri_thread_map[8-1][0] i.e. thread 2
+	 */
+	int pri_thread_map[8][8] = {	{ 0, 0, 0, 0, 0, 0, 0, 0, },
+					{ 0, 0, 0, 0, 1, 1, 1, 1, },
+					{ 0, 0, 0, 0, 1, 1, 2, 2, },
+					{ 1, 0, 0, 1, 2, 2, 3, 3, },
+					{ 1, 0, 0, 1, 2, 3, 4, 4, },
+					{ 1, 0, 0, 2, 3, 4, 5, 5, },
+					{ 1, 0, 0, 2, 3, 4, 5, 6, },
+					{ 2, 0, 1, 3, 4, 5, 6, 7, } };
+
+	cpsw_ale_policer_reset(ale);
+
+	/* use first 8 classifiers to map 8 (DSCP/PCP) priorities to channels */
+	for (pri = 0; pri < 8; pri++) {
+		idx = pri;
+
+		/* Classifier 'idx' match on priority 'pri' */
+		cpsw_ale_policer_read_idx(ale, idx);
+		regmap_field_write(ale->fields[POL_PRI_VAL], pri);
+		regmap_field_write(ale->fields[POL_PRI_MEN], 1);
+		cpsw_ale_policer_write_idx(ale, idx);
+
+		/* Map Classifier 'idx' to thread provided by the map */
+		cpsw_ale_policer_thread_idx_enable(ale, idx,
+						   pri_thread_map[num_rx_ch - 1][pri],
+						   1);
+	}
+}
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index 2cb76acc6d16..1e4e9a3dd234 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -193,5 +193,6 @@ int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask,
 int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask);
 void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask,
 			      bool add);
+void cpsw_ale_classifier_setup_default(struct cpsw_ale *ale, int num_rx_ch);
 
 #endif
