Documentation/devicetree/bindings/sound/cirrus,cs42l51.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/cirrus,cs42l51.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: CS42L51 audio codec DT bindings
   8
   9 maintainers:
  10   - Olivier Moysan <olivier.moysan@st.com>
  11
  12 properties:
  13   compatible:
  14     const: cirrus,cs42l51
  15
  16   reg:
  17     maxItems: 1
  18
  19   "#sound-dai-cells":
  20     const: 0
  21
  22   clocks:
  23     maxItems: 1
  24
  25   clock-names:
  26     items:
  27       - const: MCLK
  28
  29   reset-gpios:
  30     maxItems: 1
  31
  32   VL-supply:
  33     description: phandle to voltage regulator of digital interface section
  34
  35   VD-supply:
  36     description: phandle to voltage regulator of digital internal section
  37
  38   VA-supply:
  39     description: phandle to voltage regulator of analog internal section
  40
  41   VAHP-supply:
  42     description: phandle to voltage regulator of headphone
  43
  44 required:
  45   - compatible
  46   - reg
  47   - "#sound-dai-cells"
  48
  49 additionalProperties: false
  50
  51 examples:
  52   - |
  53     #include <dt-bindings/gpio/gpio.h>
  54     i2c {
  55       #address-cells = <1>;
  56       #size-cells = <0>;
  57
  58       cs42l51@4a {
  59         compatible = "cirrus,cs42l51";
  60         reg = <0x4a>;
  61         #sound-dai-cells = <0>;
  62         clocks = <&mclk_prov>;
  63         clock-names = "MCLK";
  64         VL-supply = <&reg_audio>;
  65         VD-supply = <&reg_audio>;
  66         VA-supply = <&reg_audio>;
  67         VAHP-supply = <&reg_audio>;
  68         reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
  69       };
  70     };
  71 ...