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Commit b4e07478 authored by Venu Byravarasu's avatar Venu Byravarasu Committed by Stephen Warren
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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: default avatarVenu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
parent 5b26c94c

Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt

+2 −0
Original line number Diff line number Diff line
@@ -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.

arch/arm/boot/dts/tegra20.dtsi

+1 −0
Original line number Diff line number Diff line
@@ -407,6 +407,7 @@ 
		phy_type = "utmi";

		nvidia,has-legacy-mode;

		clocks = <&tegra_car 22>;

		nvidia,needs-double-reset;

		status = "disabled";

	};