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

[Adriana Nicolae]

On Fri, Oct 31, 2025 at 1:43 PM Rob Herring <robh at kernel.org> wrote:
>
> 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.
Thanks! I've renamed it to "smbios3-entrypoint" and opened a separate
PR for the binding:
https://github.com/devicetree-org/dt-schema/pull/177
>
> Rob