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-rw-r--r--Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt2
-rw-r--r--arch/arm/boot/dts/tegra20.dtsi1
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 d665a67..88cf833 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -407,6 +407,7 @@
phy_type = "utmi";
nvidia,has-legacy-mode;
clocks = <&tegra_car 22>;
+ nvidia,needs-double-reset;
status = "disabled";
};