From: "Eric Bénard" <eric@eukrea.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
Ezequiel Garcia <elezegarcia@gmail.com>,
Jason Cooper <jason@lakedaemon.net>,
Nobuhiro Iwamatsu <iwamatsu@nigauri.org>,
Michael Opdenacker <michael.opdenacker@free-electrons.com>,
devicetree-discuss@lists.ozlabs.org, linux-usb@vger.kernel.org,
Yehuda Yitschak <yehuday@marvell.com>,
Arnd Bergmann <arnd@arndb.de>,
Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
Gregory CLEMENT <gregory.clement@free-electrons.com>,
Florian Fainelli <florian@openwrt.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/3] arm: mvebu: Enable USB controllers on Armada 370/XP boards
Date: Wed, 23 Jan 2013 22:14:58 +0100 [thread overview]
Message-ID: <20130123221458.6237568b@e6520eb> (raw)
In-Reply-To: <20130123190352.2d001218@skate>
Hi Thomas,
Le Wed, 23 Jan 2013 19:03:52 +0100,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> a écrit :
> On Wed, 23 Jan 2013 14:04:42 -0300, Ezequiel Garcia wrote:
>
> > from the OpenBlocks AX3-4 board dts file, since you mentioned this
> > board uses that USB
> > port for a PCIe connector -- if I understood correctly.
>
> No. The OpenBlocks has a different USB controller that sits on the PCIe
> bus. There is nothing like a PCIe port that uses a USB port, that
> doesn't make sense.
>
I don't have a AX3-4 but it seems to have a MiniPCIe socket and
not a PCIe one.
MiniPCIe specification includes both PCIe _and_ USB2.0 signals (on pins
36&38) (and also SMBus, SIM and LEDs drivers check the following table
for details http://pinoutsguide.com/Slots/mini_pcie_pinout.shtml ) so
the possibility to have a USB port connected to the MiniPCIe on the
AX3-4 makes sense.
For example most 3G MiniPCIe boards are using the USB2.0 signals and
not the PCIe ones.
Eric
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next prev parent reply other threads:[~2013-01-23 21:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-23 15:26 [PATCH v2 1/3] arm: mvebu: Add support for USB host controllers in Armada 370/XP Ezequiel Garcia
[not found] ` <1358954792-16160-1-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-01-23 15:26 ` [PATCH v2 2/3] arm: mvebu: Enable USB controllers on Armada 370/XP boards Ezequiel Garcia
[not found] ` <1358954792-16160-2-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-01-23 17:04 ` Ezequiel Garcia
[not found] ` <CALF0-+XJEXJ2B3NLu5DvyxaDuuMNP=zk+z8QUd4GTQULW3BpyA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-23 18:03 ` Thomas Petazzoni
2013-01-23 18:08 ` Ezequiel Garcia
2013-01-23 21:14 ` Eric Bénard [this message]
2013-02-15 21:28 ` Jason Cooper
2013-01-23 15:26 ` [PATCH v2 3/3] arm: mvebu: Update defconfig to select USB support Ezequiel Garcia
[not found] ` <1358954792-16160-3-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-02-15 21:26 ` Jason Cooper
2013-01-23 17:06 ` [PATCH v2 1/3] arm: mvebu: Add support for USB host controllers in Armada 370/XP Ezequiel Garcia
[not found] ` <CALF0-+W8dVLHF66VKni+5ZsQpFd=cGDXE0TD=dRc1B=ptrAMUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-23 17:40 ` Jason Cooper
[not found] ` <20130123174025.GV1758-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2013-01-29 18:56 ` Ezequiel Garcia
[not found] ` <CALF0-+Vg1WZA3m9G7mLU92BBuDpGLG-pmMM=XHtGm2UwnXXLUw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-29 19:03 ` Jason Cooper
2013-01-31 1:19 ` Nobuhiro Iwamatsu
2013-02-15 21:28 ` Jason Cooper
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