Re: [PATCH v3 1/3] dt-bindings: net: add Realtek r8169 family PCIe Ethernet

[Krzysztof Kozlowski]

On Fri, Jun 05, 2026 at 01:49:08PM +0200, Ricardo Pardini wrote:
> Add a binding for fixed/soldered Realtek PCIe Ethernet controllers
> driven by the r8169 driver (RTL8125/8126/8127/8168 and variants).
> 
> The "pciVVVV,DDDD" compatibles are the Open Firmware PCI Bus Binding
> spelling, auto-derived from PCI-SIG vendor/device IDs, but they still
> need a binding when used in a board DT - analogous to "usbVVVV,PPPP"
> compatibles documented in their own bindings (e.g. microchip,lan95xx)
> so board DTs attaching properties (fixed MAC, nvmem cell, ...) to
> these PCI function nodes can be validated.
> 
> Suggested-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> Signed-off-by: Ricardo Pardini <ricardo@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/realtek,r8169.yaml     | 54 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  2 files changed, 55 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/realtek,r8169.yaml b/Documentation/devicetree/bindings/net/realtek,r8169.yaml
> new file mode 100644
> index 0000000000000..6923211ff4c93
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/realtek,r8169.yaml

r8169 but no r8169 devices at all. This must match the device name, so
most likely:

realtek,rtl8168.yaml


> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/realtek,r8169.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Realtek r8169 family PCIe Ethernet Controllers

rtl8169? 8168? There is no r8169, is there?

> +
> +maintainers:
> +  - Heiner Kallweit <hkallweit1@xxxxxxxxx>
> +
> +description:
> +  PCI function node properties for fixed/soldered Realtek Ethernet
> +  controllers driven by the r8169 driver.

Describe hardware, not drivers.


> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - pci10ec,8125  # RTL8125 2.5GbE
> +      - pci10ec,8126  # RTL8126 5GbE
> +      - pci10ec,8127  # RTL8127
> +      - pci10ec,8161  # RTL8168 variant
> +      - pci10ec,8162  # RTL8168 variant
> +      - pci10ec,8168  # RTL8168/8111 GbE
> +
> +  reg:
> +    maxItems: 1
> +
> +  local-mac-address: true
> +  mac-address: true
> +  nvmem-cells: true
> +  nvmem-cell-names: true

Drop all above

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false

uneavaluatedProperties instead

Best regards,
Krzysztof