[PATCH v2 1/3] dt-bindings: riscv: Add Worlds ISA extensions

[Yu-Chien Peter Lin]

On Mon, Aug 10, 2026 at 05:25:08PM +0100, Conor Dooley wrote:
> On Thu, Jul 30, 2026 at 12:39:06AM +0800, Yu-Chien Peter Lin wrote:
> > Add DT bindings for five RISC-V Worlds ISA extensions
> > that implement World ID tagging for hardware-enforced
> > context isolation. Also, add checks for extension
> > dependency requirements.
> > 
> > Signed-off-by: Yu-Chien Peter Lin <peter.lin at sifive.com>
> > ---
> >  .../devicetree/bindings/riscv/extensions.yaml | 53 +++++++++++++++++++
> >  1 file changed, 53 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> > index 2b0a8a93bb21..7a57191a0293 100644
> > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> > @@ -193,12 +193,35 @@ properties:
> >              ratified at commit d70011dde6c2 ("Update to ratified state")
> >              of riscv-j-extension.
> >  
> > +        - const: smlwid
> > +          description: |
> > +            The standard Smlwid extension for M-mode control of lower
> > +            privilege World ID via the mlwid CSR as ratified at commit
> > +            TBD ("TBD") of riscv-worlds.

Also, I will follow alphabetical order in the next version.

Regards,
Peter Lin