ASoC: cs35l41: Add bindings for CS35L41

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/cs35l41.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Cirrus Logic CS35L41 Speaker Amplifier

maintainers:

  - david.rhodes@cirrus.com

description: |

  CS35L41 is a boosted mono Class D amplifier with DSP

  speaker protection and equalization

properties:

  compatible:

    enum:

      - cirrus,cs35l40

      - cirrus,cs35l41

  reg:

    maxItems: 1

  '#sound-dai-cells':

    description:

      The first cell indicating the audio interface.

    const: 1

  reset-gpios:

    maxItems: 1

  VA-supply:

    description: voltage regulator phandle for the VA supply

  VP-supply:

    description: voltage regulator phandle for the VP supply

  cirrus,boost-peak-milliamp:

    description:

      Boost-converter peak current limit in mA.

      Configures the peak current by monitoring the current through the boost FET.

      Range starts at 1600 mA and goes to a maximum of 4500 mA with increments

      of 50 mA. See section 4.3.6 of the datasheet for details.

    $ref: "/schemas/types.yaml#/definitions/uint32"

    minimum: 1600

    maximum: 4500

    default: 4500

  cirrus,boost-ind-nanohenry:

    description:

      Boost inductor value, expressed in nH. Valid

      values include 1000, 1200, 1500 and 2200.

    $ref: "/schemas/types.yaml#/definitions/uint32"

    minimum: 1000

    maximum: 2200

  cirrus,boost-cap-microfarad:

    description:

      Total equivalent boost capacitance on the VBST

      and VAMP pins, derated at 11 volts DC. The value must be rounded to the

      nearest integer and expressed in uF.

    $ref: "/schemas/types.yaml#/definitions/uint32"

  cirrus,asp-sdout-hiz:

    description:

      Audio serial port SDOUT Hi-Z control. Sets the Hi-Z

      configuration for SDOUT pin of amplifier.

      0 = Logic 0 during unused slots, and while all transmit channels disabled

      1 = Hi-Z during unused slots but logic 0 while all transmit channels disabled

      2 = (Default) Logic 0 during unused slots, but Hi-Z while all transmit channels disabled

      3 = Hi-Z during unused slots and while all transmit channels disabled

    $ref: "/schemas/types.yaml#/definitions/uint32"

    minimum: 0

    maximum: 3

    default: 2

  cirrus,gpio1-polarity-invert:

    description:

      Boolean which specifies whether the GPIO1

      level is inverted. If this property is not present the level is not inverted.

    type: boolean

  cirrus,gpio1-output-enable:

    description:

      Boolean which specifies whether the GPIO1 pin

      is configured as an output. If this property is not present the

      pin will be configured as an input.

    type: boolean

  cirrus,gpio1-src-select:

    description:

      Configures the function of the GPIO1 pin.

      Note that the options are different from the GPIO2 pin

      0 = High Impedance (Default)

      1 = GPIO

      2 = Sync

      3 = MCLK input

    $ref: "/schemas/types.yaml#/definitions/uint32"

    minimum: 0

    maximum: 3

  cirrus,gpio2-polarity-invert:

    description:

      Boolean which specifies whether the GPIO2

      level is inverted. If this property is not present the level is not inverted.

    type: boolean

  cirrus,gpio2-output-enable:

    description:

      Boolean which specifies whether the GPIO2 pin

      is configured as an output. If this property is not present the

      pin will be configured as an input.

    type: boolean

  cirrus,gpio2-src-select:

    description:

      Configures the function of the GPIO2 pin.

      Note that the options are different from the GPIO1 pin.

      0 = High Impedance (Default)

      1 = GPIO

      2 = Open Drain INTB

      3 = MCLK input

      4 = Push-pull INTB (active low)

      5 = Push-pull INT (active high)

    $ref: "/schemas/types.yaml#/definitions/uint32"

    minimum: 0

    maximum: 5

required:

  - compatible

  - reg

  - "#sound-dai-cells"

  - cirrus,boost-peak-milliamp

  - cirrus,boost-ind-nanohenry

  - cirrus,boost-cap-microfarad

unevaluatedProperties: false

examples:

  - |

      cs35l41: cs35l41@2 {

        compatible = "cirrus,cs35l41";

        reg = <2>;

        VA-supply = <&dummy_vreg>;

        VP-supply = <&dummy_vreg>;

        reset-gpios = <&gpio 110 0>;

        cirrus,boost-peak-milliamp = <4500>;

        cirrus,boost-ind-nanohenry = <1000>;

        cirrus,boost-cap-microfarad = <15>;

      };

 No newline at end of file