diff --git a/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.c b/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.c
index 345fac905074..d146cc3d28a5 100644
--- a/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.c
+++ b/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.c
@@ -787,6 +787,25 @@ static int msm_csiphy_init(struct csiphy_device *csiphy_dev)
 
 	CDBG("%s:%d called\n", __func__, __LINE__);
 
+	rc = msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 1);
+	if (rc < 0) {
+		pr_err("%s:%d csiphy config_vreg failed\n",
+			__func__, __LINE__);
+		goto csiphy_vreg_config_fail;
+	}
+	rc = msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 1);
+	if (rc < 0) {
+		pr_err("%s:%d csiphy enable_vreg failed\n",
+			__func__, __LINE__);
+		goto top_vreg_enable_failed;
+	}
+
 	rc = msm_camera_clk_enable(&csiphy_dev->pdev->dev,
 		csiphy_dev->csiphy_clk_info, csiphy_dev->csiphy_clk,
 		csiphy_dev->num_clk, true);
@@ -795,7 +814,7 @@ static int msm_csiphy_init(struct csiphy_device *csiphy_dev)
 	if (rc < 0) {
 		pr_err("%s: csiphy clk enable failed\n", __func__);
 		csiphy_dev->ref_count--;
-		goto csiphy_resource_fail;
+		goto csiphy_enable_clk_fail;
 	}
 	CDBG("%s:%d called\n", __func__, __LINE__);
 
@@ -823,7 +842,17 @@ static int msm_csiphy_init(struct csiphy_device *csiphy_dev)
 	csiphy_dev->csiphy_state = CSIPHY_POWER_UP;
 	return 0;
 
-csiphy_resource_fail:
+csiphy_enable_clk_fail:
+	msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 0);
+top_vreg_enable_failed:
+	msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 0);
+csiphy_vreg_config_fail:
 	if (cam_config_ahb_clk(NULL, 0, CAM_AHB_CLIENT_CSIPHY,
 		CAM_AHB_SUSPEND_VOTE) < 0)
 		pr_err("%s: failed to vote for AHB\n", __func__);
@@ -862,14 +891,34 @@ static int msm_csiphy_init(struct csiphy_device *csiphy_dev)
 		return rc;
 	}
 
+	rc = msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 1);
+	if (rc < 0) {
+		pr_err("%s:%d csiphy config_vreg failed\n",
+			__func__, __LINE__);
+		goto csiphy_vreg_config_fail;
+	}
+	rc = msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 1);
+	if (rc < 0) {
+		pr_err("%s:%d csiphy enable_vreg failed\n",
+			__func__, __LINE__);
+		goto top_vreg_enable_failed;
+	}
+
 	rc = msm_camera_clk_enable(&csiphy_dev->pdev->dev,
 		csiphy_dev->csiphy_clk_info, csiphy_dev->csiphy_clk,
 		csiphy_dev->num_clk, true);
 	if (rc < 0) {
 		pr_err("%s: csiphy clk enable failed\n", __func__);
 		csiphy_dev->ref_count--;
-		goto csiphy_resource_fail;
+		goto csiphy_enable_clk_fail;
 	}
+	CDBG("%s:%d clk enable success\n", __func__, __LINE__);
 
 	if (csiphy_dev->csiphy_3phase == CSI_3PHASE_HW)
 		msm_csiphy_3ph_reset(csiphy_dev);
@@ -890,7 +939,17 @@ static int msm_csiphy_init(struct csiphy_device *csiphy_dev)
 	csiphy_dev->csiphy_state = CSIPHY_POWER_UP;
 	return 0;
 
-csiphy_resource_fail:
+csiphy_enable_clk_fail:
+	msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 0);
+top_vreg_enable_failed:
+	msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 0);
+csiphy_vreg_config_fail:
 	if (cam_config_ahb_clk(NULL, 0, CAM_AHB_CLIENT_CSIPHY,
 		CAM_AHB_SUSPEND_VOTE) < 0)
 		pr_err("%s: failed to vote for AHB\n", __func__);
@@ -999,6 +1058,14 @@ static int msm_csiphy_release(struct csiphy_device *csiphy_dev, void *arg)
 			csiphy_dev->csiphy_3p_clk, 2, false);
 	}
 
+	msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg,
+		csiphy_dev->regulator_count, NULL, 0,
+		&csiphy_dev->csiphy_reg_ptr[0], 0);
+	msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg, csiphy_dev->regulator_count,
+		NULL, 0, &csiphy_dev->csiphy_reg_ptr[0], 0);
+
 	csiphy_dev->csiphy_state = CSIPHY_POWER_DOWN;
 
 	if (cam_config_ahb_clk(NULL, 0, CAM_AHB_CLIENT_CSIPHY,
@@ -1105,6 +1172,13 @@ static int msm_csiphy_release(struct csiphy_device *csiphy_dev, void *arg)
 			csiphy_dev->csiphy_3p_clk, 2, false);
 	}
 
+	msm_camera_enable_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg, csiphy_dev->regulator_count,
+		NULL, 0, &csiphy_dev->csiphy_reg_ptr[0], 0);
+	msm_camera_config_vreg(&csiphy_dev->pdev->dev,
+		csiphy_dev->csiphy_vreg, csiphy_dev->regulator_count,
+		NULL, 0, &csiphy_dev->csiphy_reg_ptr[0], 0);
+
 	csiphy_dev->csiphy_state = CSIPHY_POWER_DOWN;
 
 	if (cam_config_ahb_clk(NULL, 0, CAM_AHB_CLIENT_CSIPHY,
@@ -1463,6 +1537,14 @@ static int csiphy_probe(struct platform_device *pdev)
 		goto csiphy_no_resource;
 	}
 
+	rc = msm_camera_get_dt_vreg_data(pdev->dev.of_node,
+		&(new_csiphy_dev->csiphy_vreg),
+		&(new_csiphy_dev->regulator_count));
+	if (rc < 0) {
+		pr_err("%s: get vreg data from dtsi fail\n", __func__);
+		rc = -EFAULT;
+		goto csiphy_no_resource;
+	}
 	/* ToDo: Enable 3phase clock for dynamic clock enable/disable */
 	rc = msm_csiphy_get_clk_info(new_csiphy_dev, pdev);
 	if (rc < 0) {
diff --git a/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.h b/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.h
index 9b38fa50ce98..025ce0d3e05a 100644
--- a/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.h
+++ b/drivers/media/platform/msm/ais/sensor/csiphy/msm_csiphy.h
@@ -20,6 +20,7 @@
 #include <media/ais/msm_ais_sensor.h>
 #include "msm_sd.h"
 #include "msm_camera_io_util.h"
+#include "msm_camera_dt_util.h"
 #include "cam_soc_api.h"
 
 #define MAX_CSIPHY 3
@@ -169,6 +170,9 @@ struct csiphy_device {
 	uint32_t csiphy_sof_debug;
 	uint32_t csiphy_sof_debug_count;
 	uint32_t is_combo_mode;
+	struct camera_vreg_t *csiphy_vreg;
+	struct regulator *csiphy_reg_ptr[MAX_REGULATOR];
+	int32_t regulator_count;
 	struct msm_camera_csiphy_params csiphy_params;
 };