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Date: Tue, 24 Oct 2023 10:03:35 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, corbet@....net, steen.hegelund@...rochip.com,
 rdunlap@...radead.org, horms@...nel.org, casper.casan@...il.com,
 andrew@...n.ch
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
 horatiu.vultur@...rochip.com, Woojung.Huh@...rochip.com,
 Nicolas.Ferre@...rochip.com, UNGLinuxDriver@...rochip.com,
 Thorsten.Kummermehr@...rochip.com
Subject: Re: [PATCH net-next v2 9/9] dt-bindings: net: add Microchip's LAN865X
 10BASE-T1S MACPHY

On 23/10/2023 17:46, Parthiban Veerasooran wrote:
> Add DT bindings for Microchip's LAN865X 10BASE-T1S MACPHY. The LAN8650/1
> combines a Media Access Controller (MAC) and an Ethernet PHY to enable
> 10BASE‑T1S networks. The Ethernet Media Access Controller (MAC) module
> implements a 10 Mbps half duplex Ethernet MAC, compatible with the IEEE
> 802.3 standard and a 10BASE-T1S physical layer transceiver integrated
> into the LAN8650/1. The communication between the Host and the MAC-PHY is
> specified in the OPEN Alliance 10BASE-T1x MACPHY Serial Interface (TC6).

It does not look like you tested the bindings, at least after quick
look. Please run `make dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).
Maybe you need to update your dtschema and yamllint.

> 
> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
> ---
>  .../bindings/net/microchip,lan865x.yaml       | 101 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 102 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/microchip,lan865x.yaml b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> new file mode 100644
> index 000000000000..974622dd6846
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> @@ -0,0 +1,101 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/microchip,lan865x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip LAN8650/1 10BASE-T1S MACPHY Ethernet Controllers
> +
> +maintainers:
> +  - Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
> +
> +description:
> +  The LAN8650/1 combines a Media Access Controller (MAC) and an Ethernet
> +  PHY to enable 10BASE‑T1S networks. The Ethernet Media Access Controller
> +  (MAC) module implements a 10 Mbps half duplex Ethernet MAC, compatible
> +  with the IEEE 802.3 standard and a 10BASE-T1S physical layer transceiver
> +  integrated into the LAN8650/1. The communication between the Host and
> +  the MAC-PHY is specified in the OPEN Alliance 10BASE-T1x MACPHY Serial
> +  Interface (TC6).
> +
> +  Specifications about the LAN8650/1 can be found at:
> +    https://www.microchip.com/en-us/product/lan8650
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: microchip,lan865x

No wildcards in compatibles.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    description:
> +      Interrupt from MAC-PHY asserted in the event of Receive Chunks
> +      Available, Transmit Chunk Credits Available and Extended Status
> +      Event.
> +    maxItems: 1
> +
> +  local-mac-address:

Drop property, not needed.

> +    description:
> +      Specifies the MAC address assigned to the network device.
> +    $ref: /schemas/types.yaml#/definitions/uint8-array
> +    minItems: 6
> +    maxItems: 6
> +
> +  spi-max-frequency:
> +    minimum: 15000000
> +    maximum: 25000000
> +
> +  oa-tc6:
> +    $ref: oa-tc6.yaml#
> +    unevaluatedProperties: true

This must be false.

> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - pinctrl-names
> +  - pinctrl-0
> +  - interrupts
> +  - interrupt-parent
> +  - local-mac-address
> +  - spi-max-frequency
> +  - oa-tc6
> +
> +additionalProperties: false

Instead:
unevaluatedProperties: false

> +
> +examples:
> +  - |
> +    spi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      ethernet@0 {
> +        compatible = "microchip,lan865x";
> +        reg = <0>;
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&eth0_pins>;
> +        interrupt-parent = <&gpio>;
> +        interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
> +        local-mac-address = [04 05 06 01 02 03];
> +        spi-max-frequency = <15000000>;
> +        status = "okay";

Drop status.

> +        oa-tc6 {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +          oa-cps = <64>;
> +          oa-txcte;
> +	  oa_rxcte;
> +	  oa-prote;
> +	  oa-dprac;

Again totally mixed up indentation.

> +        };
> +      };
> +    };

Best regards,
Krzysztof


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