1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
index fbdcfef7169b..6efc9b793333 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/otg/nop-usb-xceiv.c
@@ -40,6 +40,7 @@ struct nop_usb_xceiv {
 	struct device		*dev;
 	struct clk		*clk;
 	struct regulator	*vcc;
+	struct regulator	*reset;
 };
 
 static struct platform_device *pd;
@@ -80,6 +81,12 @@ static int nop_init(struct usb_phy *phy)
 	if (!IS_ERR(nop->clk))
 		clk_enable(nop->clk);
 
+	if (!IS_ERR(nop->reset)) {
+		/* De-assert RESET */
+		if (regulator_enable(nop->reset))
+			dev_err(phy->dev, "Failed to de-assert reset\n");
+	}
+
 	return 0;
 }
 
@@ -87,6 +94,12 @@ static void nop_shutdown(struct usb_phy *phy)
 {
 	struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
 
+	if (!IS_ERR(nop->reset)) {
+		/* Assert RESET */
+		if (regulator_disable(nop->reset))
+			dev_err(phy->dev, "Failed to assert reset\n");
+	}
+
 	if (!IS_ERR(nop->clk))
 		clk_disable(nop->clk);
 
@@ -172,6 +185,12 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev)
 					PTR_ERR(nop->vcc));
 	}
 
+	nop->reset = devm_regulator_get(&pdev->dev, "reset");
+	if (IS_ERR(nop->reset)) {
+		dev_dbg(&pdev->dev, "Error getting reset regulator: %ld\n",
+					PTR_ERR(nop->reset));
+	}
+
 	nop->dev		= &pdev->dev;
 	nop->phy.dev		= nop->dev;
 	nop->phy.label		= "nop-xceiv";