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

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Message-ID: <4be60ea2-cb67-7695-1144-bf39453e9e1f@kernel.org>
Date:   Tue, 17 Jan 2023 09:31:48 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jerome Brunet <jbrunet@...libre.com>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-amlogic@...ts.infradead.org,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Da Xue <da@...sconfused.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] dt-bindings: net: add amlogic gxl mdio
 multiplexer

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kernel, gives you outdated entries.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@...libre.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@...libre.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@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@0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        reg = <0x0>;

reg is before other properties.

> +      };
> +
> +      internal_mdio: mdio@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@...aro.org>


Best regards,
Krzysztof