Re: [PATCH net-next v2 9/9] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY

[<Parthiban.Veerasooran@microchip.com>]

Hi Krzysztof,

On 24/10/23 1:33 pm, Krzysztof Kozlowski wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> 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.
Sorry, somehow I missed doing this check. Will fix this in the next 
revision.
> 
>>
>> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@microchip.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@microchip.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.
Ah ok missed it. So it will become like below isn't it?

properties:
   compatible:
     enum:
       - microchip,lan8650
       - microchip,lan8651

> 
>> +
>> +  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.
Ok noted.
> 
>> +    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.
Ok noted.
> 
>> +
>> +  "#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
Ok noted.
> 
>> +
>> +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.
Ok noted.
> 
>> +        oa-tc6 {
>> +          #address-cells = <1>;
>> +          #size-cells = <0>;
>> +          oa-cps = <64>;
>> +          oa-txcte;
>> +       oa_rxcte;
>> +       oa-prote;
>> +       oa-dprac;
> 
> Again totally mixed up indentation.
Sorry, probably in the next revision they will not be anymore.

Best Regards,
Parthiban V
> 
>> +        };
>> +      };
>> +    };
> 
> Best regards,
> Krzysztof
> 
>