FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/clk-pwm.yaml

     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/pwm/clk-pwm.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Clock based PWM controller
     
     maintainers:
      - Nikita Travkin <nikita@trvn.ru>
    
    description: |
      Some systems have clocks that can be exposed to external devices.
      (e.g. by muxing them to GPIO pins)
      It's often possible to control duty-cycle of such clocks which makes them
      suitable for generating PWM signal.
    
    allOf:
      - $ref: pwm.yaml#
    
    properties:
      compatible:
        const: clk-pwm
    
      clocks:
        description: Clock used to generate the signal.
        maxItems: 1
    
      "#pwm-cells":
        const: 2
    
    unevaluatedProperties: false
    
    required:
      - compatible
      - clocks
    
    examples:
      - |
        pwm {
          compatible = "clk-pwm";
          #pwm-cells = <2>;
          clocks = <&gcc 0>;
          pinctrl-names = "default";
          pinctrl-0 = <&pwm_clk_flash_default>;
        };

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