diff options
| author | Venu Byravarasu <vbyravarasu@nvidia.com> | 2012-12-14 00:59:07 +0400 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2013-01-28 22:20:05 +0400 |
| commit | b4e074788a4a461431e25906358c6e62cb8daf9d (patch) | |
| tree | 4062ef7fc8c31559dfb59a297aa33cd82b816136 | |
| parent | 5b26c94cdc1a201f3ae1aa75bf8963da53e1aa71 (diff) | |
| download | linux-b4e074788a4a461431e25906358c6e62cb8daf9d.tar.xz | |
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 <vbyravarasu@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt | 2 | ||||
| -rw-r--r-- | 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 e9b005dc7625..6ea765ad3dad 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 d665a67d4358..88cf8332e3f7 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"; }; |