Re: [PATCH v3] dt-bindings: iommu: riscv: Add bindings for Tenstorrent RISC-V IOMMU

[Conor Dooley]

On Wed, May 20, 2026 at 11:41:18PM -0700, Drew Fustini wrote:
> From: Nicholas Piggin <npiggin@xxxxxxxxx>
> 
> Extend the binding to cover details specific to the Tenstorrent RISC-V
> IOMMU. In particular, a second register range is added which contains
> M-privileged registers, e.g., PMAs and PMPs.
> 
> The RISC-V spec S-privileged registers remain in the first register
> range and are compatible with "riscv,iommu" so the Linux driver does not
> notice any difference, but the binding will be used by OpenSBI and
> potentially other M-mode software.
> 
> Reviewed-by: Joel Stanley <joel@xxxxxxxxx>
> Acked-by: Joerg Roedel <joerg.roedel@xxxxxxx>
> Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
> [fustini: fix dt_binding_check errors]
> Signed-off-by: Drew Fustini <fustini@xxxxxxxxxx>

Discussed on IRC I think, sashiko complaint to be fixed.
pw-bot: changes-requested

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