diff --git a/drivers/soc/rockchip/rockchip_system_monitor.c b/drivers/soc/rockchip/rockchip_system_monitor.c
index c2dd057a5f3e..4f3f46364355 100644
--- a/drivers/soc/rockchip/rockchip_system_monitor.c
+++ b/drivers/soc/rockchip/rockchip_system_monitor.c
@@ -71,6 +71,7 @@ struct system_monitor {
 
 	struct thermal_zone_device *tz;
 	struct delayed_work thermal_work;
+	int last_temp;
 	int offline_cpus_temp;
 	int temp_hysteresis;
 	unsigned int delay;
@@ -91,6 +92,7 @@ static LIST_HEAD(monitor_dev_list);
 static struct system_monitor *system_monitor;
 static atomic_t monitor_in_suspend;
 
+static BLOCKING_NOTIFIER_HEAD(system_monitor_notifier_list);
 static BLOCKING_NOTIFIER_HEAD(system_status_notifier_list);
 
 int rockchip_register_system_status_notifier(struct notifier_block *nb)
@@ -1448,6 +1450,31 @@ void rockchip_system_monitor_unregister(struct monitor_dev_info *info)
 }
 EXPORT_SYMBOL(rockchip_system_monitor_unregister);
 
+int rockchip_system_monitor_register_notifier(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(&system_monitor_notifier_list, nb);
+}
+EXPORT_SYMBOL(rockchip_system_monitor_register_notifier);
+
+void rockchip_system_monitor_unregister_notifier(struct notifier_block *nb)
+{
+	blocking_notifier_chain_unregister(&system_monitor_notifier_list, nb);
+}
+EXPORT_SYMBOL(rockchip_system_monitor_unregister_notifier);
+
+static int rockchip_system_monitor_temp_notify(int temp)
+{
+	struct system_monitor_event_data event_data;
+	int ret;
+
+	event_data.temp = temp;
+	ret = blocking_notifier_call_chain(&system_monitor_notifier_list,
+					   SYSTEM_MONITOR_CHANGE_TEMP,
+					   (void *)&event_data);
+
+	return notifier_to_errno(ret);
+}
+
 static int notify_dummy(struct thermal_zone_device *tz, int trip)
 {
 	return 0;
@@ -1564,7 +1591,6 @@ static void rockchip_system_monitor_thermal_update(void)
 {
 	int temp, ret;
 	struct monitor_dev_info *info;
-	static int last_temp = INT_MAX;
 
 	ret = thermal_zone_get_temp(system_monitor->tz, &temp);
 	if (ret || temp == THERMAL_TEMP_INVALID)
@@ -1572,9 +1598,12 @@ static void rockchip_system_monitor_thermal_update(void)
 
 	dev_dbg(system_monitor->dev, "temperature=%d\n", temp);
 
-	if (temp < last_temp && last_temp - temp <= 2000)
+	if (temp < system_monitor->last_temp &&
+	    system_monitor->last_temp - temp <= 2000)
 		goto out;
-	last_temp = temp;
+	system_monitor->last_temp = temp;
+
+	rockchip_system_monitor_temp_notify(temp);
 
 	down_read(&mdev_list_sem);
 	list_for_each_entry(info, &monitor_dev_list, node)
@@ -1700,6 +1729,7 @@ static int monitor_pm_notify(struct notifier_block *nb,
 			rockchip_system_monitor_thermal_update();
 		atomic_set(&monitor_in_suspend, 0);
 		rockchip_system_monitor_set_cpu_uevent_suppress(false);
+		system_monitor->last_temp = INT_MAX;
 		break;
 	default:
 		break;
@@ -1819,6 +1849,7 @@ static int rockchip_system_monitor_probe(struct platform_device *pdev)
 
 	rockchip_system_monitor_parse_dt(system_monitor);
 	if (system_monitor->tz) {
+		system_monitor->last_temp = INT_MAX;
 		INIT_DELAYED_WORK(&system_monitor->thermal_work,
 				  rockchip_system_monitor_thermal_check);
 		mod_delayed_work(system_freezable_wq,
diff --git a/include/soc/rockchip/rockchip_system_monitor.h b/include/soc/rockchip/rockchip_system_monitor.h
index a8f500651165..e6698c054c0d 100644
--- a/include/soc/rockchip/rockchip_system_monitor.h
+++ b/include/soc/rockchip/rockchip_system_monitor.h
@@ -6,11 +6,23 @@
 #ifndef __SOC_ROCKCHIP_SYSTEM_MONITOR_H
 #define __SOC_ROCKCHIP_SYSTEM_MONITOR_H
 
+#include <linux/pm_opp.h>
+#include <linux/pm_qos.h>
+#include <linux/regulator/consumer.h>
+
 enum monitor_dev_type {
 	MONITOR_TPYE_CPU = 0,	/* CPU */
 	MONITOR_TPYE_DEV,	/* GPU, NPU, DMC, and so on */
 };
 
+enum system_monitor_event_type {
+	SYSTEM_MONITOR_CHANGE_TEMP = 0,
+};
+
+struct system_monitor_event_data {
+	int temp;
+};
+
 struct volt_adjust_table {
 	unsigned int min;	/* Minimum frequency in MHz */
 	unsigned int max;	/* Maximum frequency in MHz */
@@ -148,6 +160,8 @@ int rockchip_monitor_dev_low_temp_adjust(struct monitor_dev_info *info,
 int rockchip_monitor_dev_high_temp_adjust(struct monitor_dev_info *info,
 					  bool is_high);
 int rockchip_monitor_suspend_low_temp_adjust(int cpu);
+int rockchip_system_monitor_register_notifier(struct notifier_block *nb);
+void rockchip_system_monitor_unregister_notifier(struct notifier_block *nb);
 #else
 static inline struct monitor_dev_info *
 rockchip_system_monitor_register(struct device *dev,
@@ -208,6 +222,16 @@ static inline int rockchip_monitor_suspend_low_temp_adjust(int cpu)
 	return 0;
 };
 
+static inline int
+rockchip_system_monitor_register_notifier(struct notifier_block *nb)
+{
+	return 0;
+};
+
+static inline void
+rockchip_system_monitor_unregister_notifier(struct notifier_block *nb)
+{
+};
 #endif /* CONFIG_ROCKCHIP_SYSTEM_MONITOR */
 
 #endif