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

Conor Dooley
2024-04-18T15:39:59Z

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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@microchip.com>
> ---
> .../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.

> @@ -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@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).
> +
> +allOf:
> + - $ref: ethernet-controller.yaml#
> + - $ref: /schemas/spi/spi-peripheral-props.yaml#

Can you use the same referencing style for both elements here please?

Otherwise, looks aight to me, so with those fixed:
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

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@microchip.com>
> L: netdev@vger.kernel.org
> 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
>

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