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Message-ID: <1357198179-10031-2-git-send-email-vbyravarasu@nvidia.com> Date: Thu, 3 Jan 2013 12:59:38 +0530 From: Venu Byravarasu <vbyravarasu@...dia.com> To: <gregkh@...uxfoundation.org>, <stern@...land.harvard.edu> CC: <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <swarren@...dotorg.org>, Venu Byravarasu <vbyravarasu@...dia.com> 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 <vbyravarasu@...dia.com> --- .../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"; nvidia,has-legacy-mode; status = "disabled"; + nvidia,needs-double-reset; }; usb@...04000 { -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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