From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcel Ziswiler Subject: Re: [PATCH] ARM: tegra: colibri t30: fix on-module ethernet Date: Fri, 21 Nov 2014 12:57:52 +0100 Message-ID: <1416571072.2744.4.camel@localhost.localdomain> References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org Cc: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stefan-XLVq0VzYD2Y@public.gmane.org List-Id: devicetree@vger.kernel.org On Fri, 2014-11-21 at 11:41 +0100, Marcel Ziswiler wrote: > Looks like Ethernet only ever worked if U-Boot properly brought it up > as both the reset as well as the VBUS lines were not actively handled > in-kernel. > This patch fixes this by just pulling up the reset GPIO Doing automatic power-cycle tests revealed that this is still not enough and a proper reset-cycle might be required. However I don't know as of yet how one can easily do that in mainline with a USB device otherwise not mentioned anywhere in the device tree. Any ideas? > and properly > enabling VBUS via a GPIO enabled fixed regulator VBUS supply. > > Signed-off-by: Marcel Ziswiler -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html