Re: [PATCH net-next v3 4/6] dt-bindings: net: renesas,rzn1-gmac: Document RZ/N1 GMAC support

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Le Fri, 10 Feb 2023 13:01:01 +0100,
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> a écrit :

> On 09/02/2023 16:16, Clément Léger wrote:
> > Add "renesas,rzn1-gmac" binding documentation which is compatible with
> > "snps,dwmac" compatible driver but uses a custom PCS to communicate
> > with the phy.
> > 
> > Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx>
> > ---
> >  .../bindings/net/renesas,rzn1-gmac.yaml       | 67 +++++++++++++++++++
> >  1 file changed, 67 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml
> > new file mode 100644
> > index 000000000000..029ce758a29c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml
> > @@ -0,0 +1,67 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/net/renesas,rzn1-gmac.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas GMAC
> > +
> > +maintainers:
> > +  - Clément Léger <clement.leger@xxxxxxxxxxx>
> > +
> > +select:
> > +  properties:
> > +    compatible:
> > +      contains:
> > +        enum:
> > +          - renesas,r9a06g032-gmac
> > +          - renesas,rzn1-gmac
> > +  required:
> > +    - compatible
> > +
> > +allOf:
> > +  - $ref: snps,dwmac.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - renesas,r9a06g032-gmac
> > +      - const: renesas,rzn1-gmac
> > +      - const: snps,dwmac  
> 
> Thanks, looks good now.
> 
> > +
> > +  pcs-handle:
> > +    description:
> > +      phandle pointing to a PCS sub-node compatible with
> > +      renesas,rzn1-miic.yaml#
> > +    $ref: /schemas/types.yaml#/definitions/phandle  
> 
> you do not need ref here - it is coming from ethernet-controller.yaml
> via snps,dwmac.yaml. You actually could drop entire property, but it can
> also stay for the description.

Ok thanks for the tip. I will drop it since there will be a v4.

> 
> > +
> > +required:
> > +  - compatible
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > +    ethernet@44000000 {
> > +      compatible = "renesas,r9a06g032-gmac", "renesas,rzn1-gmac", "snps,dwmac";
> > +      reg = <0x44000000 0x2000>;
> > +      interrupt-parent = <&gic>;
> > +      interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
> > +             <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>,  
> 
> Please align with previous <
> 
> 
> Best regards,
> Krzysztof
> 



-- 
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com




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