From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Mon, 17 Jun 2013 22:42:29 +0200 Subject: [U-Boot] [PATCH v3 1/3] ARM: Tegra: FDT: Add USB EHCI function for T30/T114 In-Reply-To: <51BF3976.7090501@wwwdotorg.org> References: <1371460197-17912-1-git-send-email-jilin@nvidia.com> <51BF3976.7090501@wwwdotorg.org> Message-ID: <201306172242.30005.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Stephen Warren, > On 06/17/2013 03:09 AM, Jim Lin wrote: > > Add DT node for USB EHCI function. > > Add support for T30-Cardhu, T30-Beaver, T114-Dalmore boards. > > This patch shouldn't touch both DT files and code at the same time. The > code changes should be part of the patch to the USB driver. > > > diff --git a/board/nvidia/dts/tegra30-cardhu.dts > > b/board/nvidia/dts/tegra30-cardhu.dts > > > > + usb at 7d008000 { > > + nvidia,vbus-gpio = <&gpio 233 3>; /* PDD1, EN_3V3_PU */ > > + status = "okay"; > > + }; > > PDD1 is the wrong signal. That enables a 100L pullup to a bunch of > different signals, including the VBUS GPIO. Instead, I think you should > be using PEX_L1_PRSNT / EN_USB3_VBUS_OC / PDD4, which co-incidentally > matches the value in the Beaver .dts file in this patch, most likely > because Beaver is closely based on Cardhu. Thanks for reviewing those, will wait for V4. Best regards, Marek Vasut