diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 904c7b4ce2f0..a138cea49612 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -33,119 +33,6 @@
 
 #include <uapi/linux/sched/types.h>
 
-#define FOREACH_STATE(S)			\
-	S(INVALID_STATE),			\
-	S(TOGGLING),			\
-	S(SRC_UNATTACHED),			\
-	S(SRC_ATTACH_WAIT),			\
-	S(SRC_ATTACHED),			\
-	S(SRC_STARTUP),				\
-	S(SRC_SEND_CAPABILITIES),		\
-	S(SRC_SEND_CAPABILITIES_TIMEOUT),	\
-	S(SRC_NEGOTIATE_CAPABILITIES),		\
-	S(SRC_TRANSITION_SUPPLY),		\
-	S(SRC_READY),				\
-	S(SRC_WAIT_NEW_CAPABILITIES),		\
-						\
-	S(SNK_UNATTACHED),			\
-	S(SNK_ATTACH_WAIT),			\
-	S(SNK_DEBOUNCED),			\
-	S(SNK_ATTACHED),			\
-	S(SNK_STARTUP),				\
-	S(SNK_DISCOVERY),			\
-	S(SNK_DISCOVERY_DEBOUNCE),		\
-	S(SNK_DISCOVERY_DEBOUNCE_DONE),		\
-	S(SNK_WAIT_CAPABILITIES),		\
-	S(SNK_NEGOTIATE_CAPABILITIES),		\
-	S(SNK_NEGOTIATE_PPS_CAPABILITIES),	\
-	S(SNK_TRANSITION_SINK),			\
-	S(SNK_TRANSITION_SINK_VBUS),		\
-	S(SNK_READY),				\
-						\
-	S(ACC_UNATTACHED),			\
-	S(DEBUG_ACC_ATTACHED),			\
-	S(AUDIO_ACC_ATTACHED),			\
-	S(AUDIO_ACC_DEBOUNCE),			\
-						\
-	S(HARD_RESET_SEND),			\
-	S(HARD_RESET_START),			\
-	S(SRC_HARD_RESET_VBUS_OFF),		\
-	S(SRC_HARD_RESET_VBUS_ON),		\
-	S(SNK_HARD_RESET_SINK_OFF),		\
-	S(SNK_HARD_RESET_WAIT_VBUS),		\
-	S(SNK_HARD_RESET_SINK_ON),		\
-						\
-	S(SOFT_RESET),				\
-	S(SRC_SOFT_RESET_WAIT_SNK_TX),		\
-	S(SNK_SOFT_RESET),			\
-	S(SOFT_RESET_SEND),			\
-						\
-	S(DR_SWAP_ACCEPT),			\
-	S(DR_SWAP_SEND),			\
-	S(DR_SWAP_SEND_TIMEOUT),		\
-	S(DR_SWAP_CANCEL),			\
-	S(DR_SWAP_CHANGE_DR),			\
-						\
-	S(PR_SWAP_ACCEPT),			\
-	S(PR_SWAP_SEND),			\
-	S(PR_SWAP_SEND_TIMEOUT),		\
-	S(PR_SWAP_CANCEL),			\
-	S(PR_SWAP_START),			\
-	S(PR_SWAP_SRC_SNK_TRANSITION_OFF),	\
-	S(PR_SWAP_SRC_SNK_SOURCE_OFF),		\
-	S(PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED), \
-	S(PR_SWAP_SRC_SNK_SINK_ON),		\
-	S(PR_SWAP_SNK_SRC_SINK_OFF),		\
-	S(PR_SWAP_SNK_SRC_SOURCE_ON),		\
-	S(PR_SWAP_SNK_SRC_SOURCE_ON_VBUS_RAMPED_UP),    \
-						\
-	S(VCONN_SWAP_ACCEPT),			\
-	S(VCONN_SWAP_SEND),			\
-	S(VCONN_SWAP_SEND_TIMEOUT),		\
-	S(VCONN_SWAP_CANCEL),			\
-	S(VCONN_SWAP_START),			\
-	S(VCONN_SWAP_WAIT_FOR_VCONN),		\
-	S(VCONN_SWAP_TURN_ON_VCONN),		\
-	S(VCONN_SWAP_TURN_OFF_VCONN),		\
-						\
-	S(FR_SWAP_SEND),			\
-	S(FR_SWAP_SEND_TIMEOUT),		\
-	S(FR_SWAP_SNK_SRC_TRANSITION_TO_OFF),			\
-	S(FR_SWAP_SNK_SRC_NEW_SINK_READY),		\
-	S(FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED),	\
-	S(FR_SWAP_CANCEL),			\
-						\
-	S(SNK_TRY),				\
-	S(SNK_TRY_WAIT),			\
-	S(SNK_TRY_WAIT_DEBOUNCE),               \
-	S(SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS),    \
-	S(SRC_TRYWAIT),				\
-	S(SRC_TRYWAIT_DEBOUNCE),		\
-	S(SRC_TRYWAIT_UNATTACHED),		\
-						\
-	S(SRC_TRY),				\
-	S(SRC_TRY_WAIT),                        \
-	S(SRC_TRY_DEBOUNCE),			\
-	S(SNK_TRYWAIT),				\
-	S(SNK_TRYWAIT_DEBOUNCE),		\
-	S(SNK_TRYWAIT_VBUS),			\
-	S(BIST_RX),				\
-						\
-	S(GET_STATUS_SEND),			\
-	S(GET_STATUS_SEND_TIMEOUT),		\
-	S(GET_PPS_STATUS_SEND),			\
-	S(GET_PPS_STATUS_SEND_TIMEOUT),		\
-						\
-	S(GET_SINK_CAP),			\
-	S(GET_SINK_CAP_TIMEOUT),		\
-						\
-	S(ERROR_RECOVERY),			\
-	S(PORT_RESET),				\
-	S(PORT_RESET_WAIT_OFF),			\
-						\
-	S(AMS_START),				\
-	S(CHUNK_NOT_SUPP)
-
 #define FOREACH_AMS(S)				\
 	S(NONE_AMS),				\
 	S(POWER_NEGOTIATION),			\
@@ -182,13 +69,8 @@
 	S(COUNTRY_INFO),			\
 	S(COUNTRY_CODES)
 
-#define GENERATE_ENUM(e)	e
 #define GENERATE_STRING(s)	#s
 
-enum tcpm_state {
-	FOREACH_STATE(GENERATE_ENUM)
-};
-
 static const char * const tcpm_states[] = {
 	FOREACH_STATE(GENERATE_STRING)
 };
@@ -249,6 +131,7 @@ enum frs_typec_current {
 #define TCPM_RESET_EVENT	BIT(2)
 #define TCPM_FRS_EVENT		BIT(3)
 #define TCPM_SOURCING_VBUS	BIT(4)
+#define TCPM_PORT_CLEAN		BIT(5)
 
 #define LOG_BUFFER_ENTRIES	1024
 #define LOG_BUFFER_ENTRY_SIZE	128
@@ -483,6 +366,14 @@ struct tcpm_port {
 	 * SNK_READY for non-pd link.
 	 */
 	bool slow_charger_loop;
+
+	/*
+	 * When true indicates that the lower level drivers indicate potential presence
+	 * of contaminant in the connector pins based on the tcpm state machine
+	 * transitions.
+	 */
+	bool potential_contaminant;
+
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *dentry;
 	struct mutex logbuffer_lock;	/* log buffer access lock */
@@ -3904,15 +3795,26 @@ static void run_state_machine(struct tcpm_port *port)
 	unsigned int msecs;
 	enum tcpm_state upcoming_state;
 
+	if (port->tcpc->is_potential_contaminant)
+		port->potential_contaminant =
+			port->tcpc->is_potential_contaminant(port->tcpc, port->state);
+
 	port->enter_state = port->state;
 	switch (port->state) {
 	case TOGGLING:
 		break;
+	case CHECK_CONTAMINANT:
+		port->tcpc->check_contaminant(port->tcpc);
+		break;
 	/* SRC states */
 	case SRC_UNATTACHED:
 		if (!port->non_pd_role_swap)
 			tcpm_swap_complete(port, -ENOTCONN);
 		tcpm_src_detach(port);
+		if (port->potential_contaminant && port->tcpc->check_contaminant) {
+			tcpm_set_state(port, CHECK_CONTAMINANT, 0);
+			break;
+		}
 		if (tcpm_start_toggling(port, tcpm_rp_cc(port))) {
 			tcpm_set_state(port, TOGGLING, 0);
 			break;
@@ -4150,6 +4052,10 @@ static void run_state_machine(struct tcpm_port *port)
 			tcpm_swap_complete(port, -ENOTCONN);
 		tcpm_pps_complete(port, -ENOTCONN);
 		tcpm_snk_detach(port);
+		if (port->potential_contaminant && port->tcpc->check_contaminant) {
+			tcpm_set_state(port, CHECK_CONTAMINANT, 0);
+			break;
+		}
 		if (tcpm_start_toggling(port, TYPEC_CC_RD)) {
 			tcpm_set_state(port, TOGGLING, 0);
 			break;
@@ -4926,6 +4832,9 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
 		else if (tcpm_port_is_sink(port))
 			tcpm_set_state(port, SNK_ATTACH_WAIT, 0);
 		break;
+	case CHECK_CONTAMINANT:
+		/* Wait for Toggling to be resumed */
+		break;
 	case SRC_UNATTACHED:
 	case ACC_UNATTACHED:
 		if (tcpm_port_is_debug(port) || tcpm_port_is_audio(port) ||
@@ -5425,6 +5334,10 @@ static void tcpm_pd_event_handler(struct kthread_work *work)
 			port->vbus_source = true;
 			_tcpm_pd_vbus_on(port);
 		}
+		if (events & TCPM_PORT_CLEAN) {
+			tcpm_log(port, "port clean");
+			tcpm_set_state(port, TOGGLING, 0);
+		}
 
 		spin_lock(&port->pd_event_lock);
 	}
@@ -5477,6 +5390,19 @@ void tcpm_sourcing_vbus(struct tcpm_port *port)
 }
 EXPORT_SYMBOL_GPL(tcpm_sourcing_vbus);
 
+/*
+ * Low level tcpc drivers invoke this once the port is deemed clean to return
+ * the port to TOGGLING state.
+ */
+void tcpm_port_clean(struct tcpm_port *port)
+{
+	spin_lock(&port->pd_event_lock);
+	port->pd_events |= TCPM_PORT_CLEAN;
+	spin_unlock(&port->pd_event_lock);
+	kthread_queue_work(port->wq, &port->event_work);
+}
+EXPORT_SYMBOL_GPL(tcpm_port_clean);
+
 static void tcpm_enable_frs_work(struct kthread_work *work)
 {
 	struct tcpm_port *port = container_of(work, struct tcpm_port, enable_frs);
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index bffc8d3e14ad..9cf16372a6e4 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -10,6 +10,126 @@
 #include <linux/usb/typec.h>
 #include "pd.h"
 
+#define FOREACH_STATE(S)			\
+	S(INVALID_STATE),			\
+	S(TOGGLING),			\
+	S(CHECK_CONTAMINANT),			\
+	S(SRC_UNATTACHED),			\
+	S(SRC_ATTACH_WAIT),			\
+	S(SRC_ATTACHED),			\
+	S(SRC_STARTUP),				\
+	S(SRC_SEND_CAPABILITIES),		\
+	S(SRC_SEND_CAPABILITIES_TIMEOUT),	\
+	S(SRC_NEGOTIATE_CAPABILITIES),		\
+	S(SRC_TRANSITION_SUPPLY),		\
+	S(SRC_READY),				\
+	S(SRC_WAIT_NEW_CAPABILITIES),		\
+						\
+	S(SNK_UNATTACHED),			\
+	S(SNK_ATTACH_WAIT),			\
+	S(SNK_DEBOUNCED),			\
+	S(SNK_ATTACHED),			\
+	S(SNK_STARTUP),				\
+	S(SNK_DISCOVERY),			\
+	S(SNK_DISCOVERY_DEBOUNCE),		\
+	S(SNK_DISCOVERY_DEBOUNCE_DONE),		\
+	S(SNK_WAIT_CAPABILITIES),		\
+	S(SNK_NEGOTIATE_CAPABILITIES),		\
+	S(SNK_NEGOTIATE_PPS_CAPABILITIES),	\
+	S(SNK_TRANSITION_SINK),			\
+	S(SNK_TRANSITION_SINK_VBUS),		\
+	S(SNK_READY),				\
+						\
+	S(ACC_UNATTACHED),			\
+	S(DEBUG_ACC_ATTACHED),			\
+	S(AUDIO_ACC_ATTACHED),			\
+	S(AUDIO_ACC_DEBOUNCE),			\
+						\
+	S(HARD_RESET_SEND),			\
+	S(HARD_RESET_START),			\
+	S(SRC_HARD_RESET_VBUS_OFF),		\
+	S(SRC_HARD_RESET_VBUS_ON),		\
+	S(SNK_HARD_RESET_SINK_OFF),		\
+	S(SNK_HARD_RESET_WAIT_VBUS),		\
+	S(SNK_HARD_RESET_SINK_ON),		\
+						\
+	S(SOFT_RESET),				\
+	S(SRC_SOFT_RESET_WAIT_SNK_TX),		\
+	S(SNK_SOFT_RESET),			\
+	S(SOFT_RESET_SEND),			\
+						\
+	S(DR_SWAP_ACCEPT),			\
+	S(DR_SWAP_SEND),			\
+	S(DR_SWAP_SEND_TIMEOUT),		\
+	S(DR_SWAP_CANCEL),			\
+	S(DR_SWAP_CHANGE_DR),			\
+						\
+	S(PR_SWAP_ACCEPT),			\
+	S(PR_SWAP_SEND),			\
+	S(PR_SWAP_SEND_TIMEOUT),		\
+	S(PR_SWAP_CANCEL),			\
+	S(PR_SWAP_START),			\
+	S(PR_SWAP_SRC_SNK_TRANSITION_OFF),	\
+	S(PR_SWAP_SRC_SNK_SOURCE_OFF),		\
+	S(PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED), \
+	S(PR_SWAP_SRC_SNK_SINK_ON),		\
+	S(PR_SWAP_SNK_SRC_SINK_OFF),		\
+	S(PR_SWAP_SNK_SRC_SOURCE_ON),		\
+	S(PR_SWAP_SNK_SRC_SOURCE_ON_VBUS_RAMPED_UP),    \
+						\
+	S(VCONN_SWAP_ACCEPT),			\
+	S(VCONN_SWAP_SEND),			\
+	S(VCONN_SWAP_SEND_TIMEOUT),		\
+	S(VCONN_SWAP_CANCEL),			\
+	S(VCONN_SWAP_START),			\
+	S(VCONN_SWAP_WAIT_FOR_VCONN),		\
+	S(VCONN_SWAP_TURN_ON_VCONN),		\
+	S(VCONN_SWAP_TURN_OFF_VCONN),		\
+						\
+	S(FR_SWAP_SEND),			\
+	S(FR_SWAP_SEND_TIMEOUT),		\
+	S(FR_SWAP_SNK_SRC_TRANSITION_TO_OFF),			\
+	S(FR_SWAP_SNK_SRC_NEW_SINK_READY),		\
+	S(FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED),	\
+	S(FR_SWAP_CANCEL),			\
+						\
+	S(SNK_TRY),				\
+	S(SNK_TRY_WAIT),			\
+	S(SNK_TRY_WAIT_DEBOUNCE),               \
+	S(SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS),    \
+	S(SRC_TRYWAIT),				\
+	S(SRC_TRYWAIT_DEBOUNCE),		\
+	S(SRC_TRYWAIT_UNATTACHED),		\
+						\
+	S(SRC_TRY),				\
+	S(SRC_TRY_WAIT),                        \
+	S(SRC_TRY_DEBOUNCE),			\
+	S(SNK_TRYWAIT),				\
+	S(SNK_TRYWAIT_DEBOUNCE),		\
+	S(SNK_TRYWAIT_VBUS),			\
+	S(BIST_RX),				\
+						\
+	S(GET_STATUS_SEND),			\
+	S(GET_STATUS_SEND_TIMEOUT),		\
+	S(GET_PPS_STATUS_SEND),			\
+	S(GET_PPS_STATUS_SEND_TIMEOUT),		\
+						\
+	S(GET_SINK_CAP),			\
+	S(GET_SINK_CAP_TIMEOUT),		\
+						\
+	S(ERROR_RECOVERY),			\
+	S(PORT_RESET),				\
+	S(PORT_RESET_WAIT_OFF),			\
+						\
+	S(AMS_START),				\
+	S(CHUNK_NOT_SUPP)
+
+#define GENERATE_ENUM(e)	e
+
+enum tcpm_state {
+	FOREACH_STATE(GENERATE_ENUM)
+};
+
 enum typec_cc_status {
 	TYPEC_CC_OPEN,
 	TYPEC_CC_RA,
@@ -114,6 +234,16 @@ enum tcpm_transmit_type {
  *              Optional; The USB Communications Capable bit indicates if port
  *              partner is capable of communication over the USB data lines
  *              (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit.
+ * @check_contaminant:
+ *		Optional; The callback is invoked when chiplevel drivers indicated
+ *		that the USB port needs to be checked for contaminant presence.
+ *		Chip level drivers are expected to check for contaminant and call
+ *		tcpm_clean_port when the port is clean to put the port back into
+ *		toggling state.
+ * @is_potential_contaminant:
+ *		Optional; TCPM invokes the callback for every TCPM state machine
+ *		transition. Chiplevel drivers can monitor the state machine
+ *		transitions to flag for potential contaminant presence.
  */
 struct tcpc_dev {
 	struct fwnode_handle *fwnode;
@@ -148,6 +278,8 @@ struct tcpc_dev {
 						 bool pps_active, u32 requested_vbus_voltage);
 	bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev);
 	void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable);
+	void (*check_contaminant)(struct tcpc_dev *dev);
+	bool (*is_potential_contaminant)(struct tcpc_dev *dev, enum tcpm_state current_state);
 };
 
 struct tcpm_port;
@@ -165,5 +297,6 @@ void tcpm_pd_transmit_complete(struct tcpm_port *port,
 			       enum tcpm_transmit_status status);
 void tcpm_pd_hard_reset(struct tcpm_port *port);
 void tcpm_tcpc_reset(struct tcpm_port *port);
+void tcpm_port_clean(struct tcpm_port *port);
 
 #endif /* __LINUX_USB_TCPM_H */
