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Date: Sat, 26 Jun 2021 15:38:00 +0000
From: Nava kishore Manne <navam@...inx.com>
To: Rob Herring <robh@...nel.org>
CC: Michal Simek <michals@...inx.com>,
"mdf@...nel.org" <mdf@...nel.org>,
"trix@...hat.com" <trix@...hat.com>,
"arnd@...db.de" <arnd@...db.de>, Rajan Vaja <RAJANV@...inx.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
Amit Sunil Dhamne <amitsuni@...x.xilinx.com>,
Tejas Patel <tejasp@...x.xilinx.com>,
"zou_wei@...wei.com" <zou_wei@...wei.com>,
Sai Krishna Potthuri <lakshmis@...inx.com>,
Ravi Patel <RAVIPATE@...inx.com>,
"iwamatsu@...auri.org" <iwamatsu@...auri.org>,
Jiaying Liang <jliang@...inx.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-fpga@...r.kernel.org" <linux-fpga@...r.kernel.org>,
git <git@...inx.com>,
"chinnikishore369@...il.com" <chinnikishore369@...il.com>
Subject: RE: [PATCH v7 3/4] dt-bindings: firmware: Add bindings for xilinx
firmware
Hi Rob,
Please find my response inline.
> -----Original Message-----
> From: Rob Herring <robh@...nel.org>
> Sent: Thursday, June 10, 2021 9:34 PM
> To: Nava kishore Manne <navam@...inx.com>
> Cc: Michal Simek <michals@...inx.com>; mdf@...nel.org; trix@...hat.com;
> arnd@...db.de; Rajan Vaja <RAJANV@...inx.com>;
> gregkh@...uxfoundation.org; Amit Sunil Dhamne
> <amitsuni@...x.xilinx.com>; Tejas Patel <tejasp@...x.xilinx.com>;
> zou_wei@...wei.com; Sai Krishna Potthuri <lakshmis@...inx.com>; Ravi
> Patel <RAVIPATE@...inx.com>; iwamatsu@...auri.org; Jiaying Liang
> <jliang@...inx.com>; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; linux-
> fpga@...r.kernel.org; git <git@...inx.com>; chinnikishore369@...il.com
> Subject: Re: [PATCH v7 3/4] dt-bindings: firmware: Add bindings for xilinx
> firmware
>
> On Fri, Jun 04, 2021 at 05:03:31PM +0530, Nava kishore Manne wrote:
> > Add documentation to describe Xilinx firmware driver bindings.
> > Firmware driver provides an interface to firmware APIs.
> > Interface APIs can be used by any driver to communicate to Platform
> > Management Unit.
> >
> > Signed-off-by: Nava kishore Manne <nava.manne@...inx.com>
> > ---
> > Changes for v4:
> > -Added new yaml file for xilinx firmware
> > as suggested by Rob.
> >
> > Changes for v5:
> > -Fixed some minor issues and updated the fpga node name to
> versal_fpga.
> >
> > Changes for v6:
> > -Added AES and Clk nodes as a sub nodes to the firmware node.
> >
> > Changes for v7:
> > -Fixed child nodes format ssues.
> >
> > .../firmware/xilinx/xlnx,zynqmp-firmware.yaml | 94
> > +++++++++++++++++++
> > 1 file changed, 94 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmware
> > .yaml
>
> You need to remove xlnx,zynqmp-firmware.txt
>
Will fix in v8.
> >
> > diff --git
> > a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmwa
> > re.yaml
> > b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-
> firmwa
> > re.yaml
> > new file mode 100644
> > index 000000000000..8e0241c4c137
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-fi
> > +++ rmware.yaml
> > @@ -0,0 +1,94 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id:
> > +http://devicetree.org/schemas/firmware/xilinx/xlnx,zynqmp-firmware.ya
> > +ml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Xilinx firmware driver
> > +
> > +maintainers:
> > + - Nava kishore Manne <nava.manne@...inx.com>
> > +
> > +description:
> > + The zynqmp-firmware node describes the interface to platform
> firmware.
> > + ZynqMP has an interface to communicate with secure firmware.
> > +Firmware
> > + driver provides an interface to firmware APIs. Interface APIs can
> > +be
> > + used by any driver to communicate to PMUFW(Platform Management
> Unit).
> > + These requests include clock management, pin control, device
> > +control,
> > + power management service, FPGA service and other platform
> > +management
> > + services.
> > +
> > +properties:
> > + compatible:
> > + oneOf:
> > + - description:
> > + For implementations complying for Zynq Ultrascale+ MPSoC.
> > + const: xlnx,zynqmp-firmware
> > +
> > + - description:
> > + For implementations complying for Versal.
> > + const: xlnx,versal-firmware
> > +
> > + method:
> > + description: |
> > + The method of calling the PM-API firmware layer.
> > + Permitted values are.
> > + - "smc" : SMC #0, following the SMCCC
> > + - "hvc" : HVC #0, following the SMCCC
> > +
> > + $ref: /schemas/types.yaml#/definitions/string-array
> > + enum:
> > + - smc
> > + - hvc
> > +
> > + "versal_fpga":
>
> Don't need quotes
>
Will fix in v8.
> > + $ref: /schemas/fpga/xlnx,versal-fpga.yaml#
> > + description: Compatible of the FPGA device.
> > + type: object
> > +
> > + "zynqmp-aes":
>
> Don't need quotes
>
Will fix in v8.
> > + $ref: /schemas/crypto/xlnx,zynqmp-aes.yaml#
> > + description: |
> > + The ZynqMP AES-GCM hardened cryptographic accelerator is
> > + used to encrypt or decrypt the data with provided key and
> > + initialization vector.
>
> Don't need '|' here (there's no formatting) and indent 2 more than
> 'description'.
>
Will fix in v8.
Regards,
Navakishore.
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