diff --git a/arch/arm/dts/tegra20-colibri.dts b/arch/arm/dts/tegra20-colibri.dts
index a291d93c7d01acc89ecb29f7a5def3619123cb29..777f63e5bdb6a6255b44aba317c8445393fc70ac 100644
--- a/arch/arm/dts/tegra20-colibri.dts
+++ b/arch/arm/dts/tegra20-colibri.dts
@@ -39,7 +39,8 @@
 	usb@c5004000 {
 		statuc = "okay";
 		/* VBUS_LAN */
-		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>;
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 		nvidia,vbus-gpio = <&gpio TEGRA_GPIO(BB, 1) GPIO_ACTIVE_HIGH>;
 	};
 
diff --git a/arch/arm/dts/tegra20-harmony.dts b/arch/arm/dts/tegra20-harmony.dts
index cace7433948316433d22183cd74bbc2adfda8dac..5aec150b5e6121c144764ad6048dc5e6892a3303 100644
--- a/arch/arm/dts/tegra20-harmony.dts
+++ b/arch/arm/dts/tegra20-harmony.dts
@@ -626,7 +626,8 @@
 
 	usb@c5004000 {
 		status = "okay";
-		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) 0>;
+		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
+			GPIO_ACTIVE_LOW>;
 	};
 
 	usb-phy@c5004000 {
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index eb54df471d90202fc6a3851d645332d360b5b630..e3620da15fb13974a089834861d4d47d202b2aca 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -600,9 +600,18 @@ static int init_ulpi_usb_controller(struct fdt_usb *config,
 
 	/* reset ULPI phy */
 	if (dm_gpio_is_valid(&config->phy_reset_gpio)) {
-		dm_gpio_set_value(&config->phy_reset_gpio, 0);
-		mdelay(5);
+		/*
+		 * This GPIO is typically active-low, and marked as such in
+		 * device tree. dm_gpio_set_value() takes this into account
+		 * and inverts the value we pass here if required. In other
+		 * words, this first call logically asserts the reset signal,
+		 * which typically results in driving the physical GPIO low,
+		 * and the second call logically de-asserts the reset signal,
+		 * which typically results in driver the GPIO high.
+		 */
 		dm_gpio_set_value(&config->phy_reset_gpio, 1);
+		mdelay(5);
+		dm_gpio_set_value(&config->phy_reset_gpio, 0);
 	}
 
 	/* Reset the usb controller */