linux-kernel - Re: [PATCH v1 0/6] USB: Add support for multiple PHYs of same type

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Message-ID: <50FEB3FD.3050001@ti.com>
Date:	Tue, 22 Jan 2013 21:15:01 +0530
From:	kishon <kishon@...com>
To:	Koen Kooi <koen@...inion.thruhere.net>
CC:	<tony@...mide.com>, <balbi@...com>, <linux@....linux.org.uk>,
	<eballetbo@...il.com>, <javier@...hile0.org>,
	<gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-omap@...r.kernel.org List" <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	Jason Kridner <jkridner@...gleboard.org>
Subject: Re: [PATCH v1 0/6] USB: Add support for multiple PHYs of same type

On Tuesday 22 January 2013 09:11 PM, Koen Kooi wrote:
>
> Op 22 jan. 2013, om 10:58 heeft Kishon Vijay Abraham I <kishon@...com> het volgende geschreven:
>
>> This patch series adds support for adding multiple PHY's (of same type).
>> 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 usb_bind_phy() 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
>> and "ARM: dts: omap: add dt data for MUSB"
>>
>> Did basic enumeration testing in omap4 panda and omap3 beagle.
>
> With this patchset USB completely breaks on am33xx beaglebone, is that intended?
Not really.
Does am33xx makes use of omap2430.c? Which PHY does am33xx uses?

Thanks
Kishon


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