From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: DT && i.MX USB
Date: Tue, 29 Oct 2013 09:08:19 +0100 [thread overview]
Message-ID: <20131029080819.GR30088@pengutronix.de> (raw)
In-Reply-To: <1382975421.40060558@f302.i.mail.ru>
On Mon, Oct 28, 2013 at 07:50:21PM +0400, Alexander Shiyan wrote:
> Hello.
>
> I am trying to migrate i.MX51 ConnectCore board for use DT.
> Most stuff are done but I cannot understand how USB subsystem
> works with devicetree.
>
> First, why barebox uses own "barebox,dr_mode" and "barebox,phy_type"
> properties instead of use kernel "dr_mode" and "phy_type"?
By the time I created this binding the binding for the kernel was not
mainline, so I decided to use barebox,x to not end up with an
incompatible binding. As the binding made it mainline now we can drop
the "barebox," now.
>
> Second, how specify flags for USB ports, for example MXC_EHCI_INTERNAL_PHY?
> In DT case we can not do it and as result desired port not functional...
Could it be that this flag should simply be dropped? According to the
Block diagram (Freescale i.MX53 ref manual v2.1, page 4700) the otg port
is hardwired to the internal utmi phy, so having this configurable makes
no sense.
Sascha
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next prev parent reply other threads:[~2013-10-29 8:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-28 15:50 Alexander Shiyan
2013-10-29 8:08 ` Sascha Hauer [this message]
2013-10-29 9:04 ` Alexander Shiyan
2013-10-29 9:23 ` Sascha Hauer
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