linux-kernel - RE: [PATCH 1/2] dt-bindings: firmware: Add bindings for Versal firmware

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Message-ID: <BYAPR02MB59922496F636C8C89B26DA70B89B0@BYAPR02MB5992.namprd02.prod.outlook.com>
Date:   Mon, 7 Oct 2019 18:57:13 +0000
From:   Jolly Shah <JOLLYS@...inx.com>
To:     Michal Simek <michals@...inx.com>,
        Greg KH <gregkh@...uxfoundation.org>
CC:     "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "mingo@...nel.org" <mingo@...nel.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 <michals@...inx.com>,
        Rajan Vaja <RAJANV@...inx.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] dt-bindings: firmware: Add bindings for Versal
 firmware

Hi Michal and Greg,

> -----Original Message-----
> From: Michal Simek <michal.simek@...inx.com>
> Sent: Sunday, October 06, 2019 11:14 PM
> To: Greg KH <gregkh@...uxfoundation.org>; Jolly Shah <JOLLYS@...inx.com>
> Cc: ard.biesheuvel@...aro.org; mingo@...nel.org; matt@...eblueprint.co.uk;
> sudeep.holla@....com; hkallweit1@...il.com; keescook@...omium.org;
> dmitry.torokhov@...il.com; Michal Simek <michals@...inx.com>; Rajan Vaja
> <RAJANV@...inx.com>; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org
> Subject: Re: [PATCH 1/2] dt-bindings: firmware: Add bindings for Versal firmware
> 
> On 04. 10. 19 18:18, Greg KH wrote:
> > On Fri, Sep 27, 2019 at 12:40:05PM -0700, Jolly Shah wrote:
> >> ZynqMP firmware driver can be used for versal also.
> >> Add versal compatible string to zynqmp firmware driver
> >> doc.
> >>
> >> Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
> >> ---
> >>  .../bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt    | 16
> +++++++++++++++-
> >>  1 file changed, 15 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmware.txt
> b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmware.txt
> >> index a4fe136..18c3aea 100644
> >> --- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmware.txt
> >> +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmware.txt
> >> @@ -11,7 +11,9 @@ power management service, FPGA service and other
> platform management
> >>  services.
> >>
> >>  Required properties:
> >> - - compatible:	Must contain:	"xlnx,zynqmp-firmware"
> >> + - compatible:	Must contain any of below:
> >> +		"xlnx,zynqmp-firmware" for Zynq Ultrascale+ MPSoC
> >> +		"xlnx,versal-firmware" for Versal
> >>   - method:	The method of calling the PM-API firmware layer.
> >>  		Permitted values are:
> >>  		  - "smc" : SMC #0, following the SMCCC
> >> @@ -21,6 +23,8 @@ Required properties:
> >>  Example
> >>  -------
> >>
> >> +Zynq Ultrascale+ MPSoC
> >> +----------------------
> >>  firmware {
> >>  	zynqmp_firmware: zynqmp-firmware {
> >>  		compatible = "xlnx,zynqmp-firmware";
> >> @@ -28,3 +32,13 @@ firmware {
> >>  		...
> >>  	};
> >>  };
> >> +
> >> +Versal
> >> +------
> >> +firmware {
> >> +	versal_firmware: versal-firmware {
> >> +		compatible = "xlnx,versal-firmware";
> >> +		method = "smc";
> >> +		...
> >> +	};
> >> +};
> >> --
> >> 2.7.4
> >>
> >
> >
> > For new dt bindings, don't you have to cc: the dt maintainers and
> > mailing list?  I can't take the patch until I get an ack from them.
> 
> Yes dt guys should be in CC and normally I am taking this via ARM soc tree.
> 
> Jolly: Please resend
> 

Sorry missed it earlier. Sent v2 including DT maintainers.

Thanks,
Jolly Shah

> Thanks,
> Michal