linux-kernel - Re: [RFC 2/2] usb: dwc3: Add Qualcomm DWC3 glue layer driver

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Message-ID: <1375811616.2888.3.camel@localhost>
Date:	Tue, 06 Aug 2013 20:53:36 +0300
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	Pawel Moll <pawel.moll@....com>
Cc:	"balbi@...com" <balbi@...com>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Mark Rutland <Mark.Rutland@....com>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"ian.campbell@...rix.com" <ian.campbell@...rix.com>,
	"rob@...dley.net" <rob@...dley.net>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [RFC 2/2] usb: dwc3: Add Qualcomm DWC3 glue layer driver

On Tue, 2013-08-06 at 16:15 +0100, Pawel Moll wrote:
> On Tue, 2013-08-06 at 14:46 +0100, Ivan T. Ivanov wrote:
> > > > +			reg = <0xf9200000 0xcd00>;
> > > > +			interrupts = <0 131 0>;
> > > > +			interrupt-names = "irq";
> > > > +			usb-phy = <&dwc3_usb2>, <&dwc3_usb3>;
> > > > +			tx-fifo-resize;
> > > > +		};
> > > > +	};
> > > 
> > > And now I'm really confused... Maybe it's just lack of documentation...
> > > 
> > > How does the "qcom,dwc-usb3-msm" relate to "qcom,dwc-usb3"?
> > 
> > Not sure from where you get this "qcom,dwc-usb3", but now I think
> > that "qcom,dwc-usb3" should be enough for compatible.  
> 
> The other patch introduces "qcom,dwc3-usb3" compatible value...

Oh, of course. Intention was that "qcom,dwc-usb3" will handle SS-PHY, 
while "qcom,dwc-usb2" will handle HS-PHY. Probably it will better if
I rename them to "qcom,dwc-ssphy" and "qcom,dwc-hsphy".

Regards,
Ivan

> 
> Paweł


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