Re: [PATCH net-next v4 12/12] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY

[<Parthiban.Veerasooran@xxxxxxxxxxxxx>]

Hi Conor,

On 18/04/24 9:09 pm, Conor Dooley wrote:
> On Thu, Apr 18, 2024 at 06:26:48PM +0530, Parthiban Veerasooran wrote:
>> 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).
>>
>> Signed-off-by: Parthiban Veerasooran<Parthiban.Veerasooran@xxxxxxxxxxxxx>
>> ---
>>   .../bindings/net/microchip,lan865x.yaml       | 80 +++++++++++++++++++
>>   MAINTAINERS                                   |  1 +
>>   2 files changed, 81 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..4fdec0ba3532
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> Filename matching a compatible please.
> 
> 
OK. Then I will keep the filename as microchip,lan8650.yaml

>> @@ -0,0 +1,80 @@
>> +# 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@xxxxxxxxxxxxx>
>> +
>> +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).
>> +
>> +allOf:
>> +  - $ref: ethernet-controller.yaml#
>> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> Can you use the same referencing style for both elements here please?
> 
> 
OK. Then I will update this allOf section like below,

allOf:
   - $ref: /schemas/net/ethernet-controller.yaml#
   - $ref: /schemas/spi/spi-peripheral-props.yaml#

> Otherwise, looks aight to me, so with those fixed:
> Reviewed-by: Conor Dooley<conor.dooley@xxxxxxxxxxxxx>
> 
OK. If you agree with the above changes that you expected then I will 
add the tag in the next version with the proposed changes.

Best regards,
Parthiban V
> Thanks,
> Conor.
> 
> 
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +      - const: microchip,lan8650
>> +      - items:
>> +          - const: microchip,lan8651
>> +          - const: microchip,lan8650
>> +
>> +  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
>> +
>> +  spi-max-frequency:
>> +    minimum: 15000000
>> +    maximum: 25000000
>> +
>> +  "#address-cells":
>> +    const: 1
>> +
>> +  "#size-cells":
>> +    const: 0
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - spi-max-frequency
>> +
>> +unevaluatedProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/interrupt-controller/irq.h>
>> +    #include <dt-bindings/gpio/gpio.h>
>> +
>> +    spi {
>> +      #address-cells = <1>;
>> +      #size-cells = <0>;
>> +
>> +      ethernet@0 {
>> +        compatible = "microchip,lan8651", "microchip,lan8650";
>> +        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>;
>> +      };
>> +    };
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index f41b7f2257d2..2172431a1935 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -14378,6 +14378,7 @@ MICROCHIP LAN8650/1 10BASE-T1S MACPHY ETHERNET DRIVER
>>   M:	Parthiban Veerasooran<parthiban.veerasooran@xxxxxxxxxxxxx>
>>   L:	netdev@xxxxxxxxxxxxxxx
>>   S:	Maintained
>> +F:	Documentation/devicetree/bindings/net/microchip,lan865x.yaml
>>   F:	drivers/net/ethernet/microchip/lan865x/lan865x.c
>>   
>>   MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
>> -- 
>> 2.34.1
>>