linux-kernel - Re: [RFC PATCH 0/6] USB: Add multiple PHYs of same type

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Message-ID: <20130118114859.GC4379@arwen.pp.htv.fi>
Date:	Fri, 18 Jan 2013 13:48:59 +0200
From:	Felipe Balbi <balbi@...com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <linux-sh@...r.kernel.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <balbi@...com>,
	<grant.likely@...retlab.ca>, <rob.herring@...xeda.com>,
	<rob@...dley.net>, <b-cousson@...com>, <tony@...mide.com>,
	<linux@....linux.org.uk>, <horms@...ge.net.au>,
	<magnus.damm@...il.com>, <cbou@...l.ru>, <dwmw2@...radead.org>,
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	<leoli@...escale.com>, <eric.y.miao@...il.com>,
	<haojian.zhuang@...il.com>, <stern@...land.harvard.edu>
Subject: Re: [RFC PATCH 0/6] USB: Add multiple PHYs of same type

On Wed, Jan 16, 2013 at 08:30:56PM +0530, Kishon Vijay Abraham I wrote:
> New platforms are being added which has multiple PHY's (of same type) and
> which has multiple USB controllers. The binding information has to be
> present in the PHY library (otg.c) in order for it to return the
> appropriate PHY whenever the USB controller request for the PHY. So
> added a new API to pass the binding information. This API should be
> called by platform specific initialization code.
> 
> So the binding should be done something like
> usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto"); specifying the USB
> controller device name, index, and the PHY device name.
> I have done this binding for OMAP platforms, but it should be done for
> all the platforms.
> 
> After this design, the phy can be got by passing the USB controller device
> pointer and the index.
> 
> Developed this patch series on
> git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git xceiv
> after applying "usb: musb: add driver for control module" patch series.
> 
> Did basic enumeration testing in omap4 panda, omap4 sdp and omap3 beagle.

please resend without RFC so I can apply.

-- 
balbi

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