From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753263Ab3ACHaO (ORCPT ); Thu, 3 Jan 2013 02:30:14 -0500 Received: from hqemgate03.nvidia.com ([216.228.121.140]:8481 "EHLO hqemgate03.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753213Ab3ACHaH (ORCPT ); Thu, 3 Jan 2013 02:30:07 -0500 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Wed, 02 Jan 2013 23:26:09 -0800 From: Venu Byravarasu To: , CC: , , , Venu Byravarasu Subject: [PATCH RESEND 1/2] arm: tegra: Add new DT property to USB node. Date: Thu, 3 Jan 2013 12:59:38 +0530 Message-ID: <1357198179-10031-2-git-send-email-vbyravarasu@nvidia.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1357198179-10031-1-git-send-email-vbyravarasu@nvidia.com> References: <1357198179-10031-1-git-send-email-vbyravarasu@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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"; nvidia,has-legacy-mode; status = "disabled"; + nvidia,needs-double-reset; }; usb@c5004000 { -- 1.7.0.4