[PATCH v4 1/2] dt-bindings: firmware: Add binding for SMBIOS /chosen properties

[Rob Herring]

On Fri, Oct 31, 2025 at 5:10 AM adriana <adriana at arista.com> wrote:
>
> Signed-off-by: adriana <adriana at arista.com>
> ---
>  .../firmware/linux,smbios3-entrypoint.yaml    | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/firmware/linux,smbios3-entrypoint.yaml
>
> diff --git a/Documentation/devicetree/bindings/firmware/linux,smbios3-entrypoint.yaml b/Documentation/devicetree/bindings/firmware/linux,smbios3-entrypoint.yaml
> new file mode 100644
> index 000000000000..4d1521c685ff
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/linux,smbios3-entrypoint.yaml
> @@ -0,0 +1,25 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2025 Arista Networks
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/firmware/linux,smbios3-entrypoint.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Memory location for SMBIOS entry point
> +
> +description: |
> +  This property is used in the /chosen node to pass the physical address
> +  of SMBIOS (System Management BIOS) or DMI (Desktop Management Interface)
> +  tables from firmware to the kernel. This is typically used on non-EFI.
> +
> +maintainers:
> +  - Adriana Nicolae <adriana at arista.com>
> +  - Rob Herring <robh+dt at kernel.org>
> +
> +properties:
> +  linux,smbios3-entrypoint:
> +    $ref: /schemas/types.yaml#/definitions/uint64
> +    description:
> +      The 64-bit physical address of the SMBIOSv3 entry point structure.

This needs to go in the chosen binding instead:

https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/chosen.yaml