FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/clock/cirrus,lochnagar.yaml

     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/clock/cirrus,lochnagar.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Cirrus Logic Lochnagar Audio Development Board
     
     maintainers:
      - patches@opensource.cirrus.com
    
    description: |
      Lochnagar is an evaluation and development board for Cirrus Logic
      Smart CODEC and Amp devices. It allows the connection of most Cirrus
      Logic devices on mini-cards, as well as allowing connection of various
      application processor systems to provide a full evaluation platform.
      Audio system topology, clocking and power can all be controlled through
      the Lochnagar, allowing the device under test to be used in a variety of
      possible use cases.
    
      This binding document describes the binding for the clock portion of the
      driver.
    
      Also see these documents for generic binding information:
        [1] Clock : ../clock/clock-bindings.txt
    
      And these for relevant defines:
        [2] include/dt-bindings/clock/lochnagar.h
    
      This binding must be part of the Lochnagar MFD binding:
        [3] ../mfd/cirrus,lochnagar.yaml
    
    properties:
      compatible:
        enum:
          - cirrus,lochnagar1-clk
          - cirrus,lochnagar2-clk
    
      '#clock-cells':
        description:
          The first cell indicates the clock number, see [2] for available
          clocks and [1].
        const: 1
    
      clock-names:
        items:
          enum:
            - ln-cdc-clkout # Output clock from CODEC card.
            - ln-dsp-clkout # Output clock from DSP card.
            - ln-gf-mclk1 # Optional input clock from host system.
            - ln-gf-mclk2 # Optional input clock from host system.
            - ln-gf-mclk3 # Optional input clock from host system.
            - ln-gf-mclk4 # Optional input clock from host system.
            - ln-psia1-mclk # Optional input clock from external connector.
            - ln-psia2-mclk # Optional input clock from external connector.
            - ln-spdif-mclk # Optional input clock from SPDIF.
            - ln-spdif-clkout # Optional input clock from SPDIF.
            - ln-adat-mclk # Optional input clock from ADAT.
            - ln-pmic-32k # On board fixed clock.
            - ln-clk-12m # On board fixed clock.
            - ln-clk-11m # On board fixed clock.
            - ln-clk-24m # On board fixed clock.
            - ln-clk-22m # On board fixed clock.
            - ln-clk-8m # On board fixed clock.
            - ln-usb-clk-24m # On board fixed clock.
            - ln-usb-clk-12m # On board fixed clock.
        minItems: 1
        maxItems: 19
    
      clocks: true
      assigned-clocks: true
      assigned-clock-parents: true
    
    additionalProperties: false
    
    required:
      - compatible
      - '#clock-cells'

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