1 files changed, 49 insertions, 2 deletions

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index ed22d722884e..0ed85834bfec 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -27,6 +27,7 @@
 #include <linux/usb/usb_phy_generic.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/regulator/consumer.h>
 
 struct dwc3_exynos {
         struct platform_device  *usb2_phy;
@@ -34,6 +35,8 @@ struct dwc3_exynos {
         struct device           *dev;
 
         struct clk              *clk;
+        struct regulator        *vdd33;
+        struct regulator        *vdd10;
 };
 
 static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos)
@@ -144,20 +147,46 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
 
         clk_prepare_enable(exynos->clk);
 
+        exynos->vdd33 = devm_regulator_get(dev, "vdd33");
+        if (IS_ERR(exynos->vdd33)) {
+                ret = PTR_ERR(exynos->vdd33);
+                goto err2;
+        }
+        ret = regulator_enable(exynos->vdd33);
+        if (ret) {
+                dev_err(dev, "Failed to enable VDD33 supply\n");
+                goto err2;
+        }
+
+        exynos->vdd10 = devm_regulator_get(dev, "vdd10");
+        if (IS_ERR(exynos->vdd10)) {
+                ret = PTR_ERR(exynos->vdd10);
+                goto err3;
+        }
+        ret = regulator_enable(exynos->vdd10);
+        if (ret) {
+                dev_err(dev, "Failed to enable VDD10 supply\n");
+                goto err3;
+        }
+
         if (node) {
                 ret = of_platform_populate(node, NULL, NULL, dev);
                 if (ret) {
                         dev_err(dev, "failed to add dwc3 core\n");
-                        goto err2;
+                        goto err4;
                 }
         } else {
                 dev_err(dev, "no device node, failed to add dwc3 core\n");
                 ret = -ENODEV;
-                goto err2;
+                goto err4;
         }
 
         return 0;
 
+err4:
+        regulator_disable(exynos->vdd10);
+err3:
+        regulator_disable(exynos->vdd33);
 err2:
         clk_disable_unprepare(clk);
 err1:
@@ -174,6 +203,9 @@ static int dwc3_exynos_remove(struct platform_device *pdev)
 
         clk_disable_unprepare(exynos->clk);
 
+        regulator_disable(exynos->vdd33);
+        regulator_disable(exynos->vdd10);
+
         return 0;
 }
 
@@ -192,12 +224,27 @@ static int dwc3_exynos_suspend(struct device *dev)
 
         clk_disable(exynos->clk);
 
+        regulator_disable(exynos->vdd33);
+        regulator_disable(exynos->vdd10);
+
         return 0;
 }
 
 static int dwc3_exynos_resume(struct device *dev)
 {
         struct dwc3_exynos *exynos = dev_get_drvdata(dev);
+        int ret;
+
+        ret = regulator_enable(exynos->vdd33);
+        if (ret) {
+                dev_err(dev, "Failed to enable VDD33 supply\n");
+                return ret;
+        }
+        ret = regulator_enable(exynos->vdd10);
+        if (ret) {
+                dev_err(dev, "Failed to enable VDD10 supply\n");
+                return ret;
+        }
 
         clk_enable(exynos->clk);