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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/arm,pl041.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Arm Ltd. PrimeCell PL041 AACI sound interface
    8 
    9 maintainers:
   10   - Andre Przywara <andre.przywara@arm.com>
   11 
   12 description:
   13   The Arm PrimeCell Advanced Audio CODEC Interface (AACI) is an AMBA compliant
   14   peripheral that provides communication with an audio CODEC using the AC-link
   15   protocol.
   16 
   17 # We need a select here so we don't match all nodes with 'arm,primecell'
   18 select:
   19   properties:
   20     compatible:
   21       contains:
   22         const: arm,pl041
   23   required:
   24     - compatible
   25 
   26 properties:
   27   compatible:
   28     items:
   29       - const: arm,pl041
   30       - const: arm,primecell
   31 
   32   reg:
   33     maxItems: 1
   34 
   35   interrupts:
   36     maxItems: 1
   37 
   38   clocks:
   39     description: APB register access clock
   40 
   41   clock-names:
   42     const: apb_pclk
   43 
   44 required:
   45   - compatible
   46   - reg
   47   - interrupts
   48   - clocks
   49 
   50 additionalProperties: false
   51 
   52 examples:
   53   - |
   54     audio-controller@40000 {
   55         compatible = "arm,pl041", "arm,primecell";
   56         reg = <0x040000 0x1000>;
   57         interrupts = <11>;
   58         clocks = <&v2m_clk24mhz>;
   59         clock-names = "apb_pclk";
   60     };
   61 
   62 ...
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