[PATCH] dt-bindings: net: add nvmem-consumer reference to network-class
Rob Herring
robh at kernel.org
Tue Aug 11 07:05:16 PDT 2026
On Sun, Aug 02, 2026 at 02:43:54PM -0700, Rosen Penev wrote:
> The nvmem-cells and nvmem-cell-names properties are used to supply MAC
> addresses to both wired and wireless network controllers. The wired
> hierarchy already allows them through ethernet-controller.yaml, but the
> wireless hierarchy (wireless-controller.yaml -> network-class.yaml)
> does not. As a result, brcm,bcm4329-fmac nodes using nvmem (e.g.
> bcm4709-linksys-ea9200.dts) failed dtbs_check with:
>
> Unevaluated properties are not allowed ('nvmem-cell-names',
> 'nvmem-cells' were unexpected)
>
> Each wireless driver otherwise has to add the nvmem-consumer reference
> individually (qca,ath9k and mediatek,mt76 already declare their own
> nvmem-cells/nvmem-cell-names).
>
> Add the nvmem-consumer reference to network-class.yaml so all network
> nodes inherit the properties at once. Wired controllers keep the tighter
> single-cell, mac-address-only constraints via ethernet-controller.yaml,
> which still apply alongside the relaxed class-level properties.
>
> Assisted-by: opencode:big-pickle
> Signed-off-by: Rosen Penev <rosenp at gmail.com>
> ---
> Documentation/devicetree/bindings/net/network-class.yaml | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/network-class.yaml b/Documentation/devicetree/bindings/net/network-class.yaml
> index 06461fb92eb8..f7c8e24016f7 100644
> --- a/Documentation/devicetree/bindings/net/network-class.yaml
> +++ b/Documentation/devicetree/bindings/net/network-class.yaml
> @@ -43,4 +43,7 @@ properties:
> maximum frame size (there\'s contradiction in the Devicetree
> Specification).
>
> +allOf:
> + - $ref: /schemas/nvmem/nvmem-consumer.yaml#
This is not correct as I explained in the prior patch.
Rob
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