netdev - Re: [PATCH net-next 1/8] dt-bindings: net: dsa: dt bindings for microchip lan937x

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Date:   Tue, 9 Feb 2021 13:35:09 -0600
From:   Rob Herring <robh@...nel.org>
To:     Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>
Cc:     andrew@...n.ch, olteanv@...il.com, netdev@...r.kernel.org,
        kuba@...nel.org, vivien.didelot@...il.com, f.fainelli@...il.com,
        davem@...emloft.net, UNGLinuxDriver@...rochip.com,
        Woojung.Huh@...rochip.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 1/8] dt-bindings: net: dsa: dt bindings for
 microchip lan937x

On Thu, Jan 28, 2021 at 12:11:05PM +0530, Prasanna Vengateshan wrote:
> Documentation in .yaml format and updates to the MAINTAINERS
> Also 'make dt_binding_check' is passed
> 
> Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>
> ---
>  .../bindings/net/dsa/microchip,lan937x.yaml   | 115 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 116 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
> new file mode 100644
> index 000000000000..8531ca603f13
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
> @@ -0,0 +1,115 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/dsa/microchip,lan937x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: LAN937x Ethernet Switch Series Tree Bindings
> +
> +maintainers:
> +  - woojung.huh@...rochip.com
> +  - prasanna.vengateshan@...rochip.com
> +
> +allOf:
> +  - $ref: dsa.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,lan9370
> +      - microchip,lan9371
> +      - microchip,lan9372
> +      - microchip,lan9373
> +      - microchip,lan9374
> +
> +  reg:
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 50000000
> +
> +  reset-gpios:
> +    description: Optional gpio specifier for a reset line
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    //Ethernet switch connected via spi to the host, CPU port wired to eth1
> +    eth1 {

ethernet {

> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      fixed-link {
> +        speed = <1000>;
> +        full-duplex;
> +      };
> +    };
> +
> +    spi1 {

spi {

> +      #address-cells = <1>;
> +      #size-cells = <0>;

> +      pinctrl-0 = <&pinctrl_spi_ksz>;
> +      cs-gpios = <0>, <0>, <0>, <&pioC 28 0>;
> +      id = <1>;

These 3 are relevant to the example, drop

> +
> +      lan9374: switch@0 {
> +        compatible = "microchip,lan9374";
> +        reg = <0>;
> +
> +        spi-max-frequency = <44000000>;
> +
> +        ethernet-ports {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +          port@0 {
> +            reg = <0>;
> +            label = "lan1";
> +          };
> +          port@1 {
> +            reg = <1>;
> +            label = "lan2";
> +          };
> +          port@2 {
> +            reg = <7>;
> +            label = "lan3";
> +          };
> +          port@3 {
> +            reg = <2>;
> +            label = "lan4";
> +          };
> +          port@4 {
> +            reg = <6>;
> +            label = "lan5";
> +          };
> +          port@5 {
> +            reg = <3>;
> +            label = "lan6";
> +          };
> +          port@6 {
> +            reg = <4>;
> +            label = "cpu";
> +            ethernet = <&eth1>;
> +            fixed-link {
> +              speed = <1000>;
> +              full-duplex;
> +            };
> +          };
> +          port@7 {
> +            reg = <5>;
> +            label = "lan7";
> +            fixed-link {
> +              speed = <1000>;
> +              full-duplex;
> +            };
> +          };
> +        };
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 650deb973913..455670f37231 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -11688,6 +11688,7 @@ M:	UNGLinuxDriver@...rochip.com
>  L:	netdev@...r.kernel.org
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> +F:	Documentation/devicetree/bindings/net/dsa/microchip,lan937x.yaml
>  F:	drivers/net/dsa/microchip/*
>  F:	include/linux/platform_data/microchip-ksz.h
>  F:	net/dsa/tag_ksz.c
> -- 
> 2.25.1
>