[PATCH V4 1/2] dt-bindings: riscv: add MMU Standard Extensions support for Svpbmt

Heiko Stübner heiko at sntech.de
Tue Nov 30 10:45:19 PST 2021


Am Montag, 29. November 2021, 02:40:06 CET schrieb wefu at redhat.com:
> From: Wei Fu <wefu at redhat.com> 
> 
> Previous patch has added svpbmt in arch/riscv and add "riscv,svpmbt"
> in the DT mmu node. Update dt-bindings related property here.
> 
> Signed-off-by: Wei Fu <wefu at redhat.com>
> Co-developed-by: Guo Ren <guoren at kernel.org>
> Signed-off-by: Guo Ren <guoren at kernel.org>
> Cc: Anup Patel <anup at brainfault.org>
> Cc: Palmer Dabbelt <palmer at dabbelt.com>
> Cc: Rob Herring <robh+dt at kernel.org>
> ---
>  Documentation/devicetree/bindings/riscv/cpus.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index aa5fb64d57eb..9ff9cbdd8a85 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -63,6 +63,16 @@ properties:
>        - riscv,sv48
>        - riscv,none
>  
> +  mmu:
> +    description:
> +      Describes the CPU's MMU Standard Extensions support.
> +      These values originate from the RISC-V Privileged
> +      Specification document, available from
> +      https://riscv.org/specifications/
> +    $ref: '/schemas/types.yaml#/definitions/string'
> +    enum:
> +      - riscv,svpmbt

shouldn't that be "riscv,svpbmt" ? [the m is at the wrong location it seems]

> +
>    riscv,isa:
>      description:
>        Identifies the specific RISC-V instruction set architecture
> 







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