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     1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/allwinner,sun50i-a64-codec-analog.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A64 Analog Codec Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 properties:
   14   compatible:
   15     const: allwinner,sun50i-a64-codec-analog
   16 
   17   reg:
   18     maxItems: 1
   19 
   20   cpvdd-supply:
   21     description:
   22       Regulator for the headphone amplifier
   23 
   24   allwinner,internal-bias-resistor:
   25     description:
   26       Enable the internal 2.2K bias resistor between HBIAS and MICDET pins
   27     type: boolean
   28 
   29 required:
   30   - compatible
   31   - reg
   32   - cpvdd-supply
   33 
   34 additionalProperties: false
   35 
   36 examples:
   37   - |
   38     codec_analog: codec-analog@1f015c0 {
   39       compatible = "allwinner,sun50i-a64-codec-analog";
   40       reg = <0x01f015c0 0x4>;
   41       cpvdd-supply = <®_eldo1>;
   42     };
   43 
   44 ...
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