diff options
Diffstat (limited to 'Documentation/devicetree/bindings/riscv/cpus.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/cpus.yaml | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index 3d2934b15e80..67bd239ead0b 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -23,6 +23,9 @@ description: | two cores, each of which has two hyperthreads, could be described as having four harts. +allOf: + - $ref: /schemas/cpu.yaml# + properties: compatible: oneOf: @@ -61,7 +64,7 @@ properties: hart. These values originate from the RISC-V Privileged Specification document, available from https://riscv.org/specifications/ - $ref: "/schemas/types.yaml#/definitions/string" + $ref: /schemas/types.yaml#/definitions/string enum: - riscv,sv32 - riscv,sv39 @@ -89,15 +92,18 @@ properties: Due to revisions of the ISA specification, some deviations have arisen over time. Notably, riscv,isa was defined prior to the creation of the - Zicsr and Zifencei extensions and thus "i" implies - "zicsr_zifencei". + Zicntr, Zicsr, Zifencei and Zihpm extensions and thus "i" + implies "zicntr_zicsr_zifencei_zihpm". While the isa strings in ISA specification are case insensitive, letters in the riscv,isa string must be all - lowercase to simplify parsing. - $ref: "/schemas/types.yaml#/definitions/string" + lowercase. + $ref: /schemas/types.yaml#/definitions/string pattern: ^rv(?:64|32)imaf?d?q?c?b?k?j?p?v?h?(?:[hsxz](?:[a-z])+)?(?:_[hsxz](?:[a-z])+)*$ + # RISC-V has multiple properties for cache op block sizes as the sizes + # differ between individual CBO extensions + cache-op-block-size: false # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here timebase-frequency: false @@ -120,7 +126,7 @@ properties: - interrupt-controller cpu-idle-states: - $ref: '/schemas/types.yaml#/definitions/phandle-array' + $ref: /schemas/types.yaml#/definitions/phandle-array items: maxItems: 1 description: | @@ -137,7 +143,7 @@ required: - riscv,isa - interrupt-controller -additionalProperties: true +unevaluatedProperties: false examples: - | |