Documentation/devicetree/bindings/sound/cirrus,cs35l45.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,cs35l45.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Cirrus Logic CS35L45 Speaker Amplifier
   8
   9 maintainers:
  10   - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
  11   - Richard Fitzgerald <rf@opensource.cirrus.com>
  12
  13 description: |
  14   CS35L45 is a Boosted Mono Class D Amplifier with DSP
  15   Speaker Protection and Adaptive Battery Management.
  16
  17 properties:
  18   compatible:
  19     enum:
  20       - cirrus,cs35l45
  21
  22   reg:
  23     maxItems: 1
  24
  25   '#sound-dai-cells':
  26     const: 1
  27
  28   reset-gpios:
  29     maxItems: 1
  30
  31   vdd-a-supply:
  32     description: voltage regulator phandle for the VDD_A supply
  33
  34   vdd-batt-supply:
  35     description: voltage regulator phandle for the VDD_BATT supply
  36
  37   spi-max-frequency:
  38     maximum: 5000000
  39
  40   cirrus,asp-sdout-hiz-ctrl:
  41     description:
  42       Audio serial port SDOUT Hi-Z control. Sets the Hi-Z
  43       configuration for SDOUT pin of amplifier. Logical OR of
  44       CS35L45_ASP_TX_HIZ_xxx values.
  45     $ref: "/schemas/types.yaml#/definitions/uint32"
  46     minimum: 0
  47     maximum: 3
  48     default: 2
  49
  50 required:
  51   - compatible
  52   - reg
  53   - "#sound-dai-cells"
  54
  55 additionalProperties: false
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/sound/cs35l45.h>
  60     spi {
  61         #address-cells = <1>;
  62         #size-cells = <0>;
  63
  64         cs35l45: cs35l45@2 {
  65           #sound-dai-cells = <1>;
  66           compatible = "cirrus,cs35l45";
  67           reg = <2>;
  68           spi-max-frequency = <5000000>;
  69           vdd-a-supply = <&dummy_vreg>;
  70           vdd-batt-supply = <&dummy_vreg>;
  71           reset-gpios = <&gpio 110 0>;
  72           cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED |
  73                                         CS35L45_ASP_TX_HIZ_DISABLED)>;
  74         };
  75     };