linux-kernel - Re: [PATCH] phy: Add a driver for dm816x USB PHY

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Message-ID: <CADYTM3ZW5e5dCQbbaE02o7wxOC26+jo5Ddo+2B4Q6UCAT2pTdQ@mail.gmail.com>
Date:	Mon, 9 Mar 2015 16:35:28 -0500
From:	Bin Liu <binmlist@...il.com>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Felipe Balbi <balbi@...com>,
	Kishon Vijay Abraham I <kishon@...com>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-usb <linux-usb@...r.kernel.org>,
	Brian Hutchinson <b.hutchman@...il.com>
Subject: Re: [PATCH] phy: Add a driver for dm816x USB PHY

On Mon, Mar 9, 2015 at 4:26 PM, Tony Lindgren <tony@...mide.com> wrote:
> * Felipe Balbi <balbi@...com> [150309 14:21]:
>> On Mon, Mar 09, 2015 at 04:17:29PM -0500, Bin Liu wrote:
>> > On Mon, Mar 9, 2015 at 4:13 PM, Felipe Balbi <balbi@...com> wrote:
>> > > On Mon, Mar 09, 2015 at 04:11:28PM -0500, Bin Liu wrote:
>> > >> Hi,
>> > >>
>> > >> On Mon, Mar 9, 2015 at 3:51 PM, Tony Lindgren <tony@...mide.com> wrote:
>> > >> > Add a minimal driver for dm816x USB. Otherwise we can just use
>> > >> > the existing musb_am335x and musb_dsps on dm816x.
>> > >>
>> > >> dm816x has the almost identical usbss as that in am335x, we should be
>> > >> able to adopt musb_am335x and musb_dsps for dm816x, and dm814x too?
>> > >
>> > > Tony's using the same musb glue layers, this is just a phy driver,
>> > > right ?
>> >
>> > Can the current am335x phy driver be adopted too? I remember it is
>> > under drivers/usb/phy/.
>>
>> Tony will be best to answer, but according to our IRC discussions, it's
>> too different. Tony ?
>
> Well we should check again between dm814x and am335x documentation
> against the $subject driver as the dm816x docs were buggy and I may
> have gotten a wrong idea initially.

Will it make our life a little easier by comparing the usb drivers for
dm81xx and am335x in previous TI kernel releases? I cam dig out the
source code if that helps.

Regards,
-Bin,

>
> Regards,
>
> Tony
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