FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/clock/fixed-mmio-clock.yaml

     # SPDX-License-Identifier: GPL-2.0
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/clock/fixed-mmio-clock.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Binding for simple memory mapped IO fixed-rate clock sources
     
     description:
      This binding describes a fixed-rate clock for which the frequency can
      be read from a single 32-bit memory mapped I/O register.
    
      It was designed for test systems, like FPGA, not for complete,
      finished SoCs.
    
    maintainers:
      - Jan Kotas <jank@cadence.com>
    
    properties:
      compatible:
        const: fixed-mmio-clock
    
      reg:
        maxItems: 1
    
      "#clock-cells":
        const: 0
    
      clock-output-names:
        maxItems: 1
    
    required:
      - compatible
      - reg
      - "#clock-cells"
    
    additionalProperties: false
    
    examples:
      - |
        sysclock: sysclock@fd020004 {
          compatible = "fixed-mmio-clock";
          #clock-cells = <0>;
          reg = <0xfd020004 0x4>;
          clock-output-names = "sysclk";
        };
    ...

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