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
   8
   9 maintainers:
  10   - Olivier Moysan <olivier.moysan@foss.st.com>
  11
  12 allOf:
  13   - $ref: dai-common.yaml#
  14
  15 properties:
  16   compatible:
  17     const: cirrus,cs42l51
  18
  19   reg:
  20     maxItems: 1
  21
  22   "#sound-dai-cells":
  23     const: 0
  24
  25   clocks:
  26     maxItems: 1
  27
  28   clock-names:
  29     items:
  30       - const: MCLK
  31
  32   reset-gpios:
  33     maxItems: 1
  34
  35   VL-supply:
  36     description: phandle to voltage regulator of digital interface section
  37
  38   VD-supply:
  39     description: phandle to voltage regulator of digital internal section
  40
  41   VA-supply:
  42     description: phandle to voltage regulator of analog internal section
  43
  44   VAHP-supply:
  45     description: phandle to voltage regulator of headphone
  46
  47   port:
  48     $ref: audio-graph-port.yaml#
  49     unevaluatedProperties: false
  50
  51 required:
  52   - compatible
  53   - reg
  54   - "#sound-dai-cells"
  55
  56 unevaluatedProperties: false
  57
  58 examples:
  59   - |
  60     #include <dt-bindings/gpio/gpio.h>
  61     i2c {
  62       #address-cells = <1>;
  63       #size-cells = <0>;
  64
  65       cs42l51@4a {
  66         compatible = "cirrus,cs42l51";
  67         reg = <0x4a>;
  68         #sound-dai-cells = <0>;
  69         clocks = <&mclk_prov>;
  70         clock-names = "MCLK";
  71         VL-supply = <&reg_audio>;
  72         VD-supply = <&reg_audio>;
  73         VA-supply = <&reg_audio>;
  74         VAHP-supply = <&reg_audio>;
  75         reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
  76
  77         /* assume audio-graph */
  78         port {
  79           cpu_endpoint: endpoint {
  80             remote-endpoint = <&cpu_endpoint>;
  81           };
  82         };
  83       };
  84     };
  85 ...