diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
index 6da65099047d22f0a865685437ccb2e8100aa748..d3526cd38f3d812f688c1b156200c74c4875b4bb 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
@@ -1,5 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2014-2019 aQuantia Corporation. */
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
+ */
 
 /* File aq_drvinfo.c: Definition of common code for firmware info in sys.*/
 
@@ -12,32 +16,51 @@
 #include <linux/uaccess.h>
 
 #include "aq_drvinfo.h"
+#include "aq_nic.h"
 
 #if IS_REACHABLE(CONFIG_HWMON)
+static const char * const atl_temp_label[] = {
+	"PHY Temperature",
+	"MAC Temperature",
+};
+
 static int aq_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
 			 u32 attr, int channel, long *value)
 {
 	struct aq_nic_s *aq_nic = dev_get_drvdata(dev);
+	int err = 0;
 	int temp;
-	int err;
 
 	if (!aq_nic)
 		return -EIO;
 
-	if (type != hwmon_temp)
+	if (type != hwmon_temp || attr != hwmon_temp_input)
 		return -EOPNOTSUPP;
 
-	if (!aq_nic->aq_fw_ops->get_phy_temp)
-		return -EOPNOTSUPP;
+	switch (channel) {
+	case 0:
+		if (!aq_nic->aq_fw_ops->get_phy_temp)
+			return -EOPNOTSUPP;
 
-	switch (attr) {
-	case hwmon_temp_input:
 		err = aq_nic->aq_fw_ops->get_phy_temp(aq_nic->aq_hw, &temp);
 		*value = temp;
-		return err;
+		break;
+	case 1:
+		if (!aq_nic->aq_fw_ops->get_mac_temp &&
+		    !aq_nic->aq_hw_ops->hw_get_mac_temp)
+			return -EOPNOTSUPP;
+
+		if (aq_nic->aq_fw_ops->get_mac_temp)
+			err = aq_nic->aq_fw_ops->get_mac_temp(aq_nic->aq_hw, &temp);
+		else
+			err = aq_nic->aq_hw_ops->hw_get_mac_temp(aq_nic->aq_hw, &temp);
+		*value = temp;
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
+
+	return err;
 }
 
 static int aq_hwmon_read_string(struct device *dev,
@@ -49,28 +72,32 @@ static int aq_hwmon_read_string(struct device *dev,
 	if (!aq_nic)
 		return -EIO;
 
-	if (type != hwmon_temp)
+	if (type != hwmon_temp || attr != hwmon_temp_label)
 		return -EOPNOTSUPP;
 
-	if (!aq_nic->aq_fw_ops->get_phy_temp)
+	if (channel < ARRAY_SIZE(atl_temp_label))
+		*str = atl_temp_label[channel];
+	else
 		return -EOPNOTSUPP;
 
-	switch (attr) {
-	case hwmon_temp_label:
-		*str = "PHY Temperature";
-		return 0;
-	default:
-		return -EOPNOTSUPP;
-	}
+	return 0;
 }
 
 static umode_t aq_hwmon_is_visible(const void *data,
 				   enum hwmon_sensor_types type,
 				   u32 attr, int channel)
 {
+	const struct aq_nic_s *nic = data;
+
 	if (type != hwmon_temp)
 		return 0;
 
+	if (channel == 0 && !nic->aq_fw_ops->get_phy_temp)
+		return 0;
+	else if (channel == 1 && !nic->aq_fw_ops->get_mac_temp &&
+		 !nic->aq_hw_ops->hw_get_mac_temp)
+		return 0;
+
 	switch (attr) {
 	case hwmon_temp_input:
 	case hwmon_temp_label:
@@ -87,6 +114,7 @@ static const struct hwmon_ops aq_hwmon_ops = {
 };
 
 static u32 aq_hwmon_temp_config[] = {
+	HWMON_T_INPUT | HWMON_T_LABEL,
 	HWMON_T_INPUT | HWMON_T_LABEL,
 	0,
 };
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
index 23a0487893a7bb95baabbb477d681ee4088ef898..59113a20622a0c71615e87fac7625e516e7ad2cd 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
@@ -1,14 +1,16 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (C) 2014-2017 aQuantia Corporation. */
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
+ */
 
 /* File aq_drvinfo.h: Declaration of common code for firmware info in sys.*/
 
 #ifndef AQ_DRVINFO_H
 #define AQ_DRVINFO_H
 
-#include "aq_nic.h"
-#include "aq_hw.h"
-#include "hw_atl/hw_atl_utils.h"
+struct net_device;
 
 int aq_drvinfo_init(struct net_device *ndev);
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 96d59ee3eb7050473e66edf9835f9856bb72e10c..95ee1336ac79bdaeec1312a3e9e5378a3690d47f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -333,6 +333,8 @@ struct aq_hw_ops {
 	int (*hw_set_fc)(struct aq_hw_s *self, u32 fc, u32 tc);
 
 	int (*hw_set_loopback)(struct aq_hw_s *self, u32 mode, bool enable);
+
+	int (*hw_get_mac_temp)(struct aq_hw_s *self, u32 *temp);
 };
 
 struct aq_fw_ops {
@@ -355,6 +357,8 @@ struct aq_fw_ops {
 
 	int (*update_stats)(struct aq_hw_s *self);
 
+	int (*get_mac_temp)(struct aq_hw_s *self, int *temp);
+
 	int (*get_phy_temp)(struct aq_hw_s *self, int *temp);
 
 	u32 (*get_flow_control)(struct aq_hw_s *self, u32 *fcmode);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index ee74cad4a168920d056e82c1bcdfdef3738c9b83..34626eef2909f6122d9e499d4391eff7249eed16 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1581,6 +1581,48 @@ int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable)
 	return 0;
 }
 
+static u32 hw_atl_b0_ts_ready_and_latch_high_get(struct aq_hw_s *self)
+{
+	if (hw_atl_ts_ready_get(self) && hw_atl_ts_ready_latch_high_get(self))
+		return 1;
+
+	return 0;
+}
+
+static int hw_atl_b0_get_mac_temp(struct aq_hw_s *self, u32 *temp)
+{
+	bool ts_disabled;
+	int err;
+	u32 val;
+	u32 ts;
+
+	ts_disabled = (hw_atl_ts_power_down_get(self) == 1U);
+
+	if (ts_disabled) {
+		// Set AFE Temperature Sensor to on (off by default)
+		hw_atl_ts_power_down_set(self, 0U);
+
+		// Reset internal capacitors, biasing, and counters
+		hw_atl_ts_reset_set(self, 1);
+		hw_atl_ts_reset_set(self, 0);
+	}
+
+	err = readx_poll_timeout_atomic(hw_atl_b0_ts_ready_and_latch_high_get,
+					self, val, val == 1, 10000U, 500000U);
+	if (err)
+		return err;
+
+	ts = hw_atl_ts_data_get(self);
+	*temp = ts * ts * 16 / 100000 + 60 * ts - 83410;
+
+	if (ts_disabled) {
+		// Set AFE Temperature Sensor back to off
+		hw_atl_ts_power_down_set(self, 1U);
+	}
+
+	return 0;
+}
+
 const struct aq_hw_ops hw_atl_ops_b0 = {
 	.hw_soft_reset        = hw_atl_utils_soft_reset,
 	.hw_prepare           = hw_atl_utils_initfw,
@@ -1637,4 +1679,6 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
 	.hw_set_offload          = hw_atl_b0_hw_offload_set,
 	.hw_set_loopback         = hw_atl_b0_set_loopback,
 	.hw_set_fc               = hw_atl_b0_set_fc,
+
+	.hw_get_mac_temp         = hw_atl_b0_get_mac_temp,
 };
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index 9c3debae425fc42abfb624677154effbb3e20be5..7b67bdd8a258ef562a0cc136e333e68df186f933 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -13,6 +13,50 @@
 #include "hw_atl_llh_internal.h"
 #include "../aq_hw_utils.h"
 
+void hw_atl_ts_reset_set(struct aq_hw_s *aq_hw, u32 val)
+{
+	aq_hw_write_reg_bit(aq_hw, HW_ATL_TS_RESET_ADR,
+			    HW_ATL_TS_RESET_MSK,
+			    HW_ATL_TS_RESET_SHIFT,
+			    val);
+}
+
+void hw_atl_ts_power_down_set(struct aq_hw_s *aq_hw, u32 val)
+{
+	aq_hw_write_reg_bit(aq_hw, HW_ATL_TS_POWER_DOWN_ADR,
+			    HW_ATL_TS_POWER_DOWN_MSK,
+			    HW_ATL_TS_POWER_DOWN_SHIFT,
+			    val);
+}
+
+u32 hw_atl_ts_power_down_get(struct aq_hw_s *aq_hw)
+{
+	return aq_hw_read_reg_bit(aq_hw, HW_ATL_TS_POWER_DOWN_ADR,
+				  HW_ATL_TS_POWER_DOWN_MSK,
+				  HW_ATL_TS_POWER_DOWN_SHIFT);
+}
+
+u32 hw_atl_ts_ready_get(struct aq_hw_s *aq_hw)
+{
+	return aq_hw_read_reg_bit(aq_hw, HW_ATL_TS_READY_ADR,
+				  HW_ATL_TS_READY_MSK,
+				  HW_ATL_TS_READY_SHIFT);
+}
+
+u32 hw_atl_ts_ready_latch_high_get(struct aq_hw_s *aq_hw)
+{
+	return aq_hw_read_reg_bit(aq_hw, HW_ATL_TS_READY_LATCH_HIGH_ADR,
+				  HW_ATL_TS_READY_LATCH_HIGH_MSK,
+				  HW_ATL_TS_READY_LATCH_HIGH_SHIFT);
+}
+
+u32 hw_atl_ts_data_get(struct aq_hw_s *aq_hw)
+{
+	return aq_hw_read_reg_bit(aq_hw, HW_ATL_TS_DATA_OUT_ADR,
+				  HW_ATL_TS_DATA_OUT_MSK,
+				  HW_ATL_TS_DATA_OUT_SHIFT);
+}
+
 /* global */
 void hw_atl_reg_glb_cpu_sem_set(struct aq_hw_s *aq_hw, u32 glb_cpu_sem,
 				u32 semaphore)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
index f0954711df24c06854a53b3c5d47a0bf68ddf77f..58f5ee0a6214f21f70df8e5731e0f6a4481423fe 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
@@ -16,6 +16,24 @@
 
 struct aq_hw_s;
 
+/* set temperature sense reset */
+void hw_atl_ts_reset_set(struct aq_hw_s *aq_hw, u32 val);
+
+/* set temperature sense power down */
+void hw_atl_ts_power_down_set(struct aq_hw_s *aq_hw, u32 val);
+
+/* get temperature sense power down */
+u32 hw_atl_ts_power_down_get(struct aq_hw_s *aq_hw);
+
+/* get temperature sense ready */
+u32 hw_atl_ts_ready_get(struct aq_hw_s *aq_hw);
+
+/* get temperature sense ready latch high */
+u32 hw_atl_ts_ready_latch_high_get(struct aq_hw_s *aq_hw);
+
+/* get temperature sense data */
+u32 hw_atl_ts_data_get(struct aq_hw_s *aq_hw);
+
 /* global */
 
 /* set global microprocessor semaphore */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index ee11cb88325e5a729a95b67940d6b5b2482facc8..4a6467031b9edb4102dc059c5eeb9a63196b6b1c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -12,6 +12,36 @@
 #ifndef HW_ATL_LLH_INTERNAL_H
 #define HW_ATL_LLH_INTERNAL_H
 
+/* COM Temperature Sense Reset Bitfield Definitions */
+#define HW_ATL_TS_RESET_ADR 0x00003100
+#define HW_ATL_TS_RESET_MSK 0x00000004
+#define HW_ATL_TS_RESET_SHIFT 2
+#define HW_ATL_TS_RESET_WIDTH 1
+
+/* COM Temperature Sense Power Down Bitfield Definitions */
+#define HW_ATL_TS_POWER_DOWN_ADR 0x00003100
+#define HW_ATL_TS_POWER_DOWN_MSK 0x00000001
+#define HW_ATL_TS_POWER_DOWN_SHIFT 0
+#define HW_ATL_TS_POWER_DOWN_WIDTH 1
+
+/* COM Temperature Sense Ready Bitfield Definitions */
+#define HW_ATL_TS_READY_ADR 0x00003120
+#define HW_ATL_TS_READY_MSK 0x80000000
+#define HW_ATL_TS_READY_SHIFT 31
+#define HW_ATL_TS_READY_WIDTH 1
+
+/*  COM Temperature Sense Ready Latch High Bitfield Definitions */
+#define HW_ATL_TS_READY_LATCH_HIGH_ADR 0x00003120
+#define HW_ATL_TS_READY_LATCH_HIGH_MSK 0x40000000
+#define HW_ATL_TS_READY_LATCH_HIGH_SHIFT 30
+#define HW_ATL_TS_READY_LATCH_HIGH_WIDTH 1
+
+/* COM Temperature Sense Data Out [B:0] Bitfield Definitions */
+#define HW_ATL_TS_DATA_OUT_ADR 0x00003120
+#define HW_ATL_TS_DATA_OUT_MSK 0x00000FFF
+#define HW_ATL_TS_DATA_OUT_SHIFT 0
+#define HW_ATL_TS_DATA_OUT_WIDTH 12
+
 /* global microprocessor semaphore  definitions
  * base address: 0x000003a0
  * parameter: semaphore {s} | stride size 0x4 | range [0, 15]
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index cacab3352cb8e2e70dfd2831f67ed0a691e2396e..404cbf60d3f2ffecfc59ffb3308fcabfa2e2949c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -1066,6 +1066,7 @@ const struct aq_fw_ops aq_fw_1x_ops = {
 	.set_state = hw_atl_utils_mpi_set_state,
 	.update_link_status = hw_atl_utils_mpi_get_link_status,
 	.update_stats = hw_atl_utils_update_stats,
+	.get_mac_temp = NULL,
 	.get_phy_temp = NULL,
 	.set_power = aq_fw1x_set_power,
 	.set_eee_rate = NULL,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
index 013676cd38e480bd685a36b668885331dca0061c..93c06dfa6c55400f90229b7c676bd99c9105ecea 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
@@ -353,7 +353,7 @@ static int aq_fw2x_get_phy_temp(struct aq_hw_s *self, int *temp)
 	/* Convert PHY temperature from 1/256 degree Celsius
 	 * to 1/1000 degree Celsius.
 	 */
-	*temp = (temp_res & 0xFFFF) * 1000 / 256;
+	*temp = (int16_t)(temp_res & 0xFFFF) * 1000 / 256;
 
 	return 0;
 }
@@ -681,6 +681,7 @@ const struct aq_fw_ops aq_fw_2x_ops = {
 	.set_state          = aq_fw2x_set_state,
 	.update_link_status = aq_fw2x_update_link_status,
 	.update_stats       = aq_fw2x_update_stats,
+	.get_mac_temp       = NULL,
 	.get_phy_temp       = aq_fw2x_get_phy_temp,
 	.set_power          = aq_fw2x_set_power,
 	.set_eee_rate       = aq_fw2x_set_eee_rate,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
index a8ce9a2c1c51b85c9919fb90864602827d273faf..85628acbcc1d66ce7771877b0f7fe784ea03f174 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
@@ -379,6 +379,25 @@ static int aq_a2_fw_update_stats(struct aq_hw_s *self)
 	return 0;
 }
 
+static int aq_a2_fw_get_phy_temp(struct aq_hw_s *self, int *temp)
+{
+	struct phy_health_monitor_s phy_health_monitor;
+
+	hw_atl2_shared_buffer_read_safe(self, phy_health_monitor,
+					&phy_health_monitor);
+
+	*temp = (int8_t)phy_health_monitor.phy_temperature * 1000;
+	return 0;
+}
+
+static int aq_a2_fw_get_mac_temp(struct aq_hw_s *self, int *temp)
+{
+	/* There's only one temperature sensor on A2, use it for
+	 * both MAC and PHY.
+	 */
+	return aq_a2_fw_get_phy_temp(self, temp);
+}
+
 static int aq_a2_fw_set_eee_rate(struct aq_hw_s *self, u32 speed)
 {
 	struct link_options_s link_options;
@@ -510,6 +529,8 @@ const struct aq_fw_ops aq_a2_fw_ops = {
 	.set_state          = aq_a2_fw_set_state,
 	.update_link_status = aq_a2_fw_update_link_status,
 	.update_stats       = aq_a2_fw_update_stats,
+	.get_mac_temp       = aq_a2_fw_get_mac_temp,
+	.get_phy_temp       = aq_a2_fw_get_phy_temp,
 	.set_eee_rate       = aq_a2_fw_set_eee_rate,
 	.get_eee_rate       = aq_a2_fw_get_eee_rate,
 	.set_flow_control   = aq_a2_fw_set_flow_control,