--- a/drivers/phy/qualcomm/phy-qcom-dwc3.c
+++ b/drivers/phy/qualcomm/phy-qcom-dwc3.c
@@ -491,7 +491,6 @@ static int qcom_dwc3_phy_probe(struct pl
 	struct qcom_dwc3_usb_phy	*phy_dwc3;
 	struct phy_provider		*phy_provider;
 	struct phy			*generic_phy;
-	struct resource			*res;
 	const struct of_device_id *match;
 	const struct qcom_dwc3_phy_drvdata *data;
 	struct device_node *np;
@@ -505,7 +504,17 @@ static int qcom_dwc3_phy_probe(struct pl
 
 	phy_dwc3->dev = &pdev->dev;
 
-	phy_dwc3->base = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "regmap");
+	np = of_parse_phandle(pdev->dev.of_node, "regmap", 0);
+	if (!np)
+		return -ENODEV;
+
+	if (!of_device_is_compatible(np, "syscon"))
+		return -EINVAL;
+
+	phy_dwc3->base = device_node_to_regmap(np);
+
+	of_node_put(np);
+
 	if (IS_ERR_OR_NULL(phy_dwc3->base))
 		return PTR_ERR_OR_ZERO(phy_dwc3->base) ? : -EINVAL;