[PATCH net-next 1/2] dt-bindings: net: add amlogic gxl mdio multiplexer

Krzysztof Kozlowski krzk at kernel.org
Tue Jan 17 00:31:48 PST 2023


On 16/01/2023 10:16, Jerome Brunet wrote:
> Add documentation for the MDIO bus multiplexer found on the Amlogic GXL
> SoC family

Please use scripts/get_maintainers.pl to get a list of necessary people
and lists to CC.  It might happen, that command when run on an older
kernel, gives you outdated entries.  Therefore please be sure you base
your patches on recent Linux kernel.

> 
> Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
> ---
>  .../bindings/net/amlogic,gxl-mdio-mux.yaml    | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml b/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml
> new file mode 100644
> index 000000000000..d21bce695fa9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/amlogic,gxl-mdio-mux.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic GXL MDIO bus multiplexer
> +
> +maintainers:
> +  - Jerome Brunet <jbrunet at baylibre.com>
> +
> +description:
> +  This is a special case of a MDIO bus multiplexer. It allows to choose between
> +  the internal mdio bus leading to the embedded 10/100 PHY or the external
> +  MDIO bus on the Amlogic GXL SoC family.
> +
> +allOf:
> +  - $ref: mdio-mux.yaml#
> +
> +properties:
> +  compatible:
> +    const: amlogic,gxl-mdio-mux
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: ref
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    eth_phy_mux: mdio at 558 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      compatible = "amlogic,gxl-mdio-mux";

compatible, then reg then the rest.

> +      clocks = <&refclk>;
> +      clock-names = "ref";
> +      reg = <0x558 0xc>;
> +      mdio-parent-bus = <&mdio0>;
> +
> +      external_mdio: mdio at 0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <0x0>;

reg is before other properties.

> +      };
> +
> +      internal_mdio: mdio at 1 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <0x1>;

Ditto. If you resend, keep my tag and finally use get_maintainers.pl

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>


Best regards,
Krzysztof




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