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

[Rob Herring]

On Fri, Oct 31, 2025 at 6:15 AM Rob Herring <robh at kernel.org> wrote:
>
> 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

Also, drop the 'linux,' prefix as SMBIOS is not a linux invention.

Rob