Re: [PATCH v3 1/4] dt-bindings: net: Add FSD EQoS device tree bindings

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On 14/08/2023 13:25, Sriranjani P wrote:
> Add FSD Ethernet compatible in Synopsys dt-bindings document. Add FSD
> Ethernet YAML schema to enable the DT validation.
> 
> Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
> Signed-off-by: Ravi Patel <ravi.patel@xxxxxxxxxxx>
> Signed-off-by: Swathi K S <swathi.ks@xxxxxxxxxxx>
> Signed-off-by: Sriranjani P <sriranjani.p@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/snps,dwmac.yaml   |   5 +-
>  .../devicetree/bindings/net/tesla,ethqos.yaml | 114 ++++++++++++++++++
>  2 files changed, 117 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/tesla,ethqos.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index ddf9522a5dc2..0ced7901e644 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -96,6 +96,7 @@ properties:
>          - snps,dwxgmac
>          - snps,dwxgmac-2.10
>          - starfive,jh7110-dwmac
> +        - tesla,fsd-ethqos-4.21

I don't think one given SoC - and I was told FSD is strictly defined one
specific SoC - can have different versions of the same block, so drop
the block versioning.

>  
>    reg:
>      minItems: 1
> @@ -117,7 +118,7 @@ properties:
>  
>    clocks:
>      minItems: 1
> -    maxItems: 8
> +    maxItems: 10
>      additionalItems: true
>      items:
>        - description: GMAC main clock
> @@ -129,7 +130,7 @@ properties:
>  
>    clock-names:
>      minItems: 1
> -    maxItems: 8
> +    maxItems: 10
>      additionalItems: true
>      contains:
>        enum:
> diff --git a/Documentation/devicetree/bindings/net/tesla,ethqos.yaml b/Documentation/devicetree/bindings/net/tesla,ethqos.yaml
> new file mode 100644
> index 000000000000..b78829246364
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/tesla,ethqos.yaml
> @@ -0,0 +1,114 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/tesla,ethqos.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: FSD Ethernet Quality of Service
> +
> +maintainers:
> +  - Sriranjani P <sriranjani.p@xxxxxxxxxxx>
> +  - Swathi K S <swathi.ks@xxxxxxxxxxx>
> +
> +description:
> +  dwmmac based tesla ethernet devices which support Gigabit
> +  ethernet.
> +
> +allOf:
> +  - $ref: snps,dwmac.yaml#
> +
> +properties:
> +  compatible:
> +    const: tesla,fsd-ethqos-4.21.yaml

?

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 5

Why? I expect it to be specific.

> +    maxItems: 10
> +
> +  clock-names:
> +    minItems: 5
> +    maxItems: 10
> +    items:
> +      - const: ptp_ref
> +      - const: master_bus
> +      - const: slave_bus
> +      - const: tx
> +      - const: rx
> +      - const: master2_bus
> +      - const: slave2_bus
> +      - const: eqos_rxclk_mux
> +      - const: eqos_phyrxclk
> +      - const: dout_peric_rgmii_clk
> +
> +  fsd-rx-clock-skew:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    items:
> +      - items:
> +          - description: phandle to the syscon node
> +          - description: offset of the control register
> +    description:
> +      Should be phandle/offset pair. The phandle to the syscon node.
> +
> +  iommus:
> +    maxItems: 1
> +
> +  phy-mode:
> +    $ref: ethernet-controller.yaml#/properties/phy-connection-type
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +  - rx-clock-skew

Eee? Isn't it fsd-rx-clock-skew which anyway is not correct?

> +  - iommus
> +  - phy-mode
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/fsd-clk.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    ethernet_1: ethernet@14300000 {
> +              compatible = "tesla,dwc-qos-ethernet-4.21";

Three different compatibles for the same.

No, please test your patches before sending.

I am not even checking if previous feedback was applied... Did you
really go through it?

Best regards,
Krzysztof




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