TOMOYO Linux Cross Reference
Linux/Documentation/devicetree/bindings/arm/arm,realview.yaml

   # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   %YAML 1.2
   ---
   $id: http://devicetree.org/schemas/arm/arm,realview.yaml#
   $schema: http://devicetree.org/meta-schemas/core.yaml#
   
   title: ARM RealView Boards
   
   maintainers:
    - Linus Walleij <linus.walleij@linaro.org>
  
  description: |+
    The ARM RealView series of reference designs were built to explore the Arm11,
    Cortex-A8, and Cortex-A9 CPUs. This included new features compared to the
    earlier CPUs such as TrustZone and multicore (MPCore).
  
  properties:
    $nodename:
      const: '/'
    compatible:
      oneOf:
        - description: ARM RealView Emulation Baseboard (HBI-0140) was created
            as a generic platform to test different FPGA designs, and has
            pluggable CPU modules, see ARM DUI 0303E.
          items:
            - const: arm,realview-eb
        - description: ARM RealView Platform Baseboard for ARM1176JZF-S
            (HBI-0147) was created as a development board to test ARM TrustZone,
            CoreSight and Intelligent Energy Management (IEM) see ARM DUI 0425F.
          items:
            - const: arm,realview-pb1176
        - description: ARM RealView Platform Baseboard for ARM 11 MPCore
            (HBI-0159, HBI-0175 and HBI-0176) was created to showcase
            multiprocessing with ARM11 using MPCore using symmetric
            multiprocessing (SMP). See ARM DUI 0351E.
          items:
            - const: arm,realview-pb11mp
        - description: ARM RealView Platform Baseboard for Cortex-A8 (HBI-0178,
            HBI-0176 and HBI-0175) was the first reference platform for the
            Cortex CPU family, including a Cortex-A8 test chip.
          items:
            - const: arm,realview-pba8
        - description: ARM RealView Platform Baseboard Explore for Cortex-A9
            (HBI-0182 and HBI-0183) was the reference platform for the Cortex-A9
            CPU.
          items:
            - const: arm,realview-pbx
  
    soc:
      description: All RealView boards must provide a soc node in the root of the
        device tree, representing the System-on-Chip since these test chips are
        rather complex.
      type: object
      properties:
        compatible:
          oneOf:
            - items:
                - const: arm,realview-eb-soc
                - const: simple-bus
            - items:
                - const: arm,realview-pb1176-soc
                - const: simple-bus
            - items:
                - const: arm,realview-pb11mp-soc
                - const: simple-bus
            - items:
                - const: arm,realview-pba8-soc
                - const: simple-bus
            - items:
                - const: arm,realview-pbx-soc
                - const: simple-bus
  
      patternProperties:
        "^.*syscon@[0-9a-f]+$":
          type: object
          description: All RealView boards must provide a syscon system controller
            node inside the soc node.
  
      required:
        - compatible
  
  required:
    - compatible
    - soc
  
  additionalProperties: true
  
  ...

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