RE: [RFC net-next] dt-bindings: net: xilinx: document xilinx emaclite driver binding

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> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: Friday, May 13, 2022 2:23 PM
> To: Radhey Shyam Pandey <radheys@xxxxxxxxxx>; davem@xxxxxxxxxxxxx;
> edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; pabeni@xxxxxxxxxx;
> robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; Harini Katakam
> <harinik@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; git <git@xxxxxxxxxx>
> Subject: Re: [RFC net-next] dt-bindings: net: xilinx: document xilinx emaclite
> driver binding
> 
> On 12/05/2022 18:39, Radhey Shyam Pandey wrote:
> > Add basic description for the xilinx emaclite driver DT bindings.
> >
> > Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx>
> > ---
> >  .../bindings/net/xlnx,emaclite.yaml           | 60 +++++++++++++++++++
> >  1 file changed, 60 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
> 
> Why is this RFC? Do you expect DT maintainers review or not? Maybe there is
> no point for us to review something which is not going to be applied?

I intentionally made it RFC so that all aspects are reviewed as this driver didn't
had an existing binding. I will send out next version with below comment 
addressed. Thanks!
> 
> >
> > diff --git a/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
> > b/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
> > new file mode 100644
> > index 000000000000..a3e2a0e89b24
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
> > @@ -0,0 +1,60 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/net/xlnx,emaclite.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Xilinx Emaclite Ethernet controller
> > +
> > +maintainers:
> > +  - Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx>
> > +  - Harini Katakam <harini.katakam@xxxxxxxxxx>
> > +
> 
> You should include ethernet controller schema.
> 
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - xlnx,opb-ethernetlite-1.01.a
> > +      - xlnx,opb-ethernetlite-1.01.b
> > +      - xlnx,xps-ethernetlite-1.00.a
> > +      - xlnx,xps-ethernetlite-2.00.a
> > +      - xlnx,xps-ethernetlite-2.01.a
> > +      - xlnx,xps-ethernetlite-3.00.a
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  phy-handle: true
> > +
> > +  local-mac-address: true
> > +
> > +  xlnx,tx-ping-pong:
> > +    type: boolean
> > +    description: hardware supports tx ping pong buffer.
> > +
> > +  xlnx,rx-ping-pong:
> > +    type: boolean
> > +    description: hardware supports rx ping pong buffer.
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - phy-handle
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    axi_ethernetlite_1: ethernet@40e00000 {
> > +            compatible = "xlnx,xps-ethernetlite-3.00.a";
> 
> 4-space indentation for DTS, please.
> 
> > +            interrupt-parent = <&axi_intc_1>;
> > +            interrupts = <1 0>;
> > +            local-mac-address = [00 0a 35 00 00 00];
> > +            phy-handle = <&phy0>;
> > +            reg = <0x40e00000 0x10000>;
> > +            xlnx,rx-ping-pong;
> > +            xlnx,tx-ping-pong;
> > +    };
> 
> 
> Best regards,
> Krzysztof




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