Documentation/devicetree/bindings/sound/ak4375.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/ak4375.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: AK4375 DAC and headphones amplifier
   8
   9 maintainers:
  10   - Vincent Knecht <vincent.knecht@mailoo.org>
  11
  12 properties:
  13   compatible:
  14     const: asahi-kasei,ak4375
  15
  16   reg:
  17     maxItems: 1
  18
  19   '#sound-dai-cells':
  20     const: 0
  21
  22   avdd-supply:
  23     description: regulator phandle for the AVDD power supply.
  24
  25   tvdd-supply:
  26     description: regulator phandle for the TVDD power supply.
  27
  28   pdn-gpios:
  29     description: optional GPIO to set the PDN pin.
  30
  31 required:
  32   - compatible
  33   - reg
  34   - '#sound-dai-cells'
  35   - avdd-supply
  36   - tvdd-supply
  37
  38 additionalProperties: false
  39
  40 examples:
  41   - |
  42     #include <dt-bindings/gpio/gpio.h>
  43     i2c {
  44       #address-cells = <1>;
  45       #size-cells = <0>;
  46
  47       headphones: audio-codec@10 {
  48         compatible = "asahi-kasei,ak4375";
  49         reg = <0x10>;
  50         avdd-supply = <&reg_headphones_avdd>;
  51         tvdd-supply = <&pm8916_l6>;
  52         pdn-gpios = <&msmgpio 114 GPIO_ACTIVE_HIGH>;
  53         pinctrl-names = "default";
  54         pinctrl-0 = <&headphones_pdn_default>;
  55         #sound-dai-cells = <0>;
  56       };
  57     };