Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.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/asahi-kasei,ak4458.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: AK4458 audio DAC
   8
   9 maintainers:
  10   - Shengjiu Wang <shengjiu.wang@nxp.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - asahi-kasei,ak4458
  16       - asahi-kasei,ak4497
  17
  18   reg:
  19     maxItems: 1
  20
  21   avdd-supply:
  22     description: Analog power supply
  23
  24   dvdd-supply:
  25     description: Digital power supply
  26
  27   reset-gpios:
  28     maxItems: 1
  29
  30   mute-gpios:
  31     maxItems: 1
  32     description:
  33       GPIO used to mute all the outputs
  34
  35   dsd-path:
  36     description: Select DSD input pins for ak4497
  37     $ref: /schemas/types.yaml#/definitions/uint32
  38     oneOf:
  39       - const: 0
  40         description: "select #16, #17, #19 pins"
  41       - const: 1
  42         description: "select #3, #4, #5 pins"
  43
  44 required:
  45   - compatible
  46   - reg
  47
  48 allOf:
  49   - if:
  50       properties:
  51         compatible:
  52           contains:
  53             const: asahi-kasei,ak4458
  54
  55     then:
  56       properties:
  57         dsd-path: false
  58
  59 additionalProperties: false
  60
  61 examples:
  62   - |
  63     #include <dt-bindings/gpio/gpio.h>
  64     i2c {
  65         #address-cells = <1>;
  66         #size-cells = <0>;
  67         codec@10 {
  68             compatible = "asahi-kasei,ak4458";
  69             reg = <0x10>;
  70             reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
  71             mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
  72         };
  73     };