RE: [PATCH V2 2/5] dt-bindings: nvmem: Convert xlnx,zynqmp-nvmem.txt to yaml

["Kundanala, Praveen Teja" <praveen.teja.kundanala@amd.com>]

[AMD Official Use Only - General]

Hi Kozlowski,

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Sent: Thursday, October 19, 2023 2:57 PM
> To: Kundanala, Praveen Teja <praveen.teja.kundanala@amd.com>;
> srinivas.kandagatla@linaro.org; robh+dt@kernel.org;
> krzysztof.kozlowski+dt@linaro.org; conor+dt@kernel.org; Simek, Michal
> <michal.simek@amd.com>; Kundanala, Praveen Teja
> <praveen.teja.kundanala@amd.com>; devicetree@vger.kernel.org; linux-arm-
> kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Subject: Re: [PATCH V2 2/5] dt-bindings: nvmem: Convert xlnx,zynqmp-
> nvmem.txt to yaml
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> On 19/10/2023 08:06, Praveen Teja Kundanala wrote:
> > Convert the xlnx,zynqmp-nvmem.txt to yaml.
> >
> > Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
> > ---
> >  .../bindings/nvmem/xlnx,zynqmp-nvmem.txt      | 46 -------------------
> >  .../bindings/nvmem/xlnx,zynqmp-nvmem.yaml     | 40 ++++++++++++++++
> >  2 files changed, 40 insertions(+), 46 deletions(-)  delete mode
> > 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-
> nvmem.txt
> >  create mode 100644
> > Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> > b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> > deleted file mode 100644
> > index 4881561b3a02..000000000000
> > --- a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> > +++ /dev/null
> > @@ -1,46 +0,0 @@
> > ----------------------------------------------------------------------
> > ----- -=  Zynq UltraScale+ MPSoC nvmem firmware driver binding =
> > ----------------------------------------------------------------------
> > ----- -The nvmem_firmware node provides access to the hardware related
> > data -like soc revision, IDCODE... etc, By using the firmware
> > interface.
> > -
> > -Required properties:
> > -- compatible: should be "xlnx,zynqmp-nvmem-fw"
> > -
> > -= Data cells =
> > -Are child nodes of silicon id, bindings of which as described in
> > -bindings/nvmem/nvmem.txt
> > -
> > --------
> > - Example
> > --------
> > -firmware {
> > -     zynqmp_firmware: zynqmp-firmware {
> > -             compatible = "xlnx,zynqmp-firmware";
> > -             method = "smc";
> > -
> > -             nvmem_firmware {
> > -                     compatible = "xlnx,zynqmp-nvmem-fw";
> > -                     #address-cells = <1>;
> > -                     #size-cells = <1>;
> > -
> > -                     /* Data cells */
> > -                     soc_revision: soc_revision {
> > -                             reg = <0x0 0x4>;
> > -                     };
> > -             };
> > -     };
> > -};
> > -
> > -= Data consumers =
> > -Are device nodes which consume nvmem data cells.
> > -
> > -For example:
> > -     pcap {
> > -             ...
> > -
> > -             nvmem-cells = <&soc_revision>;
> > -             nvmem-cell-names = "soc_revision";
> > -
> > -             ...
> > -     };
> > diff --git
> > a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
> > b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
> > new file mode 100644
> > index 000000000000..5d20362a0615
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-
> nvmem.yaml
> > @@ -0,0 +1,40 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Zynq UltraScale+ MPSoC Non Volatile Memory interface
> > +
> > +description: |
> > +    The ZynqMP MPSoC provides access to the hardware related data
> > +    like SOC revision, IDCODE and specific purpose efuses.
> > +
> > +maintainers:
> > +  - Kalyani Akula <kalyani.akula@amd.com>
> > +  - Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
> > +
> > +allOf:
> > +  - $ref: nvmem.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: xlnx,zynqmp-nvmem-fw
> > +
> > +required:
> > +  - compatible
>
> Test your bindings before sending. I am not a free tester of your code... It's your
> duty.
[Kundanala, Praveen Teja] Missed it will send V3 after testing.
>
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    nvmem-firmware {
>
> Node names should be generic, so "nvmem". See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-
> basics.html#generic-names-recommendation
>
> I already asked for this.
[Kundanala, Praveen Teja] Will refer and update it.

Regards,
Praveen
>
> Best regards,
> Krzysztof