linux-kernel - RE: [PATCH v3 1/4] dt-bindings: firmware: Add bindings for ZynqMP firmware

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Date:   Fri, 2 Feb 2018 19:50:05 +0000
From:   Jolly Shah <JOLLYS@...inx.com>
To:     Mark Rutland <mark.rutland@....com>
CC:     "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "matt@...eblueprint.co.uk" <matt@...eblueprint.co.uk>,
        "sudeep.holla@....com" <sudeep.holla@....com>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "michal.simek@...inx.com" <michal.simek@...inx.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rajan Vaja <RAJANV@...inx.com>
Subject: RE: [PATCH v3 1/4] dt-bindings: firmware: Add bindings for ZynqMP
 firmware

Hi Mark,

> -----Original Message-----
> From: Mark Rutland [mailto:mark.rutland@....com]
> Sent: Thursday, February 01, 2018 2:28 AM
> To: Jolly Shah <JOLLYS@...inx.com>
> Cc: ard.biesheuvel@...aro.org; mingo@...nel.org;
> gregkh@...uxfoundation.org; matt@...eblueprint.co.uk;
> sudeep.holla@....com; hkallweit1@...il.com; keescook@...omium.org;
> dmitry.torokhov@...il.com; michal.simek@...inx.com; robh+dt@...nel.org;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> devicetree@...r.kernel.org; Rajan Vaja <RAJANV@...inx.com>
> Subject: Re: [PATCH v3 1/4] dt-bindings: firmware: Add bindings for ZynqMP
> firmware
> 
> On Thu, Feb 01, 2018 at 01:04:45AM +0000, Jolly Shah wrote:
> > > > +Xilinx Zynq MPSoC Firmware Device Tree Bindings
> > > > +
> > > > +The zynqmp-firmware node describes the interface to platform firmware.
> > >
> > > Is there any documentation for this that can be referred to?
> > >
> >
> > Will add more information about supported APIs in next version patch.
> > Below document describes interface APIs though it is not latest.
> > https://www.xilinx.com/support/documentation/user_guides/ug1200-eemi-a
> > pi.pdf
> 
> Thanks for the link.
> 
> It might be better for the compatible string to be "xlnx,zynqmp-eemi", to make it
> clear which firmware interfaces are being described, assuming that this being is
> only intended to cover EEMI.
> 
> Thanks,
> Mark.

It is interface to firmware be it ATF/PMU. EEMI is part of it. 

Thanks,
Jolly Shah