FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/bus/fsl,spba-bus.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/bus/fsl,spba-bus.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Shared Peripherals Bus Interface
     
     maintainers:
      - Shawn Guo <shawnguo@kernel.org>
    
    description: |
      A simple bus enabling access to shared peripherals.
    
      The "spba-bus" follows the "simple-bus" set of properties, as
      specified in the Devicetree Specification.  It is an extension of
      "simple-bus" because the SDMA controller uses this compatible flag to
      determine which peripherals are available to it and the range over which
      the SDMA can access.  There are no special clocks for the bus, because
      the SDMA controller itself has its interrupt and clock assignments.
    
    select:
      properties:
        compatible:
          contains:
            const: fsl,spba-bus
      required:
        - compatible
    
    properties:
      $nodename:
        pattern: "^spba-bus(@[0-9a-f]+)?$"
    
      compatible:
        items:
          - const: fsl,spba-bus
          - const: simple-bus
    
      '#address-cells':
        enum: [ 1, 2 ]
    
      '#size-cells':
        enum: [ 1, 2 ]
    
      reg:
        maxItems: 1
    
      ranges: true
    
    required:
      - compatible
      - '#address-cells'
      - '#size-cells'
      - reg
      - ranges
    
    additionalProperties:
      type: object
    
    examples:
      - |
        spba-bus@30000000 {
            compatible = "fsl,spba-bus", "simple-bus";
            #address-cells = <1>;
            #size-cells = <1>;
            reg = <0x30000000 0x100000>;
            ranges;
        };

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