dt-bindings: riscv: add MMU Standard Extensions support

A patch from »svpbmt and t-head memory types« in state Mainline for linux-kernel

From: Heiko Stuebner <heiko@...> Date: Mon, 29 Nov 2021 09:40:06 +0800

Commit-Message

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: Heiko Stuebner <heiko@...>

Patch-Comment

Documentation/devicetree/bindings/riscv/cpus.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)

Statistics

  • 10 lines added
  • 0 lines removed

Changes

-------------- Documentation/devicetree/bindings/riscv/cpus.yaml ---------------
index aa5fb64d57eb..3ad2593f1400 100644
@@ -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,svpbmt
+
riscv,isa:
description:
Identifies the specific RISC-V instruction set architecture
 
 

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