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

From: Krzysztof Kozlowski
Date: Fri Feb 10 2023 - 07:01:39 EST


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.

> +
> +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