Unverified Commit af951c3a authored by Yash Shah's avatar Yash Shah Committed by Palmer Dabbelt
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dt-bindings: riscv: Update l2 cache DT documentation to add support for SiFive FU740 



The L2 cache controller in SiFive FU740 has 4 ECC interrupt sources as
compared to 3 in FU540. Update the DT documentation accordingly with
"compatible" and "interrupt" property changes.

Signed-off-by: default avatarYash Shah <yash.shah@sifive.com>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 21855cac

Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml

+30 −4
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ select: 
      items:

        - enum:

            - sifive,fu540-c000-ccache

            - sifive,fu740-c000-ccache



  required:

    - compatible
@@ -34,7 +35,9 @@ select: 
properties:

  compatible:

    items:

      - const: sifive,fu540-c000-ccache

      - enum:

          - sifive,fu540-c000-ccache

          - sifive,fu740-c000-ccache

      - const: cache



  cache-block-size:
@@ -52,10 +55,13 @@ properties: 
  cache-unified: true



  interrupts:

    description: |

      Must contain entries for DirError, DataError and DataFail signals.

    minItems: 3

    maxItems: 3

    maxItems: 4

    items:

      - description: DirError interrupt

      - description: DataError interrupt

      - description: DataFail interrupt

      - description: DirFail interrupt



  reg:

    maxItems: 1
@@ -67,6 +73,26 @@ properties: 
      The reference to the reserved-memory for the L2 Loosely Integrated Memory region.

      The reserved memory node should be defined as per the bindings in reserved-memory.txt.



if:

  properties:

    compatible:

      contains:

        const: sifive,fu540-c000-ccache



then:

  properties:

    interrupts:

      description: |

        Must contain entries for DirError, DataError and DataFail signals.

      maxItems: 3



else:

  properties:

    interrupts:

      description: |

        Must contain entries for DirError, DataError, DataFail, DirFail signals.

      minItems: 4



additionalProperties: false



required: