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Date:	Thu, 3 Jan 2013 12:59:38 +0530
From:	Venu Byravarasu <>
To:	<>, <>
CC:	<>, <>,
	<>, Venu Byravarasu <>
Subject: [PATCH RESEND 1/2] arm: tegra: Add new DT property to USB node.

As Tegra USB host driver is using instance number for resetting
PORT0 twice, adding a new DT property for handling this.

Signed-off-by: Venu Byravarasu <>
 .../bindings/usb/nvidia,tegra20-ehci.txt           |    2 ++
 arch/arm/boot/dts/tegra20.dtsi                     |    1 +
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt
index e9b005d..6ea765a 100644
--- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt
+++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt
@@ -27,3 +27,5 @@ Optional properties:
     registers are accessed through the APB_MISC base address instead of
     the USB controller. Since this is a legacy issue it probably does not
     warrant a compatible string of its own.
+  - nvidia,needs-double-reset : boolean is to be set for some of the Tegra2
+    USB ports, which need reset twice due to hardware issues.
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index fe35c72..7f74339 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -384,6 +384,7 @@
 		phy_type = "utmi";
 		status = "disabled";
+		nvidia,needs-double-reset;
 	usb@...04000 {

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