Unverified Commit 72661ff7 authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Mark Brown
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ASoC: dt-bindings: cs35l45: Cirrus Logic CS35L45 Smart Amp



This adds the schema binding for the Cirrus Logic CS35L45 Smart Amp
and associated header file.

Signed-off-by: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220405135419.1230088-5-rf@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 89342fa3
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/cirrus,cs35l45.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Cirrus Logic CS35L45 Speaker Amplifier

maintainers:
  - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
  - Richard Fitzgerald <rf@opensource.cirrus.com>

description: |
  CS35L45 is a Boosted Mono Class D Amplifier with DSP
  Speaker Protection and Adaptive Battery Management.

properties:
  compatible:
    enum:
      - cirrus,cs35l45

  reg:
    maxItems: 1

  '#sound-dai-cells':
    const: 1

  reset-gpios:
    maxItems: 1

  vdd-a-supply:
    description: voltage regulator phandle for the VDD_A supply

  vdd-batt-supply:
    description: voltage regulator phandle for the VDD_BATT supply

  spi-max-frequency:
    maximum: 5000000

  cirrus,asp-sdout-hiz-ctrl:
    description:
      Audio serial port SDOUT Hi-Z control. Sets the Hi-Z
      configuration for SDOUT pin of amplifier. Logical OR of
      CS35L45_ASP_TX_HIZ_xxx values.
    $ref: "/schemas/types.yaml#/definitions/uint32"
    minimum: 0
    maximum: 3
    default: 2

required:
  - compatible
  - reg
  - "#sound-dai-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/sound/cs35l45.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;

        cs35l45: cs35l45@2 {
          #sound-dai-cells = <1>;
          compatible = "cirrus,cs35l45";
          reg = <2>;
          spi-max-frequency = <5000000>;
          vdd-a-supply = <&dummy_vreg>;
          vdd-batt-supply = <&dummy_vreg>;
          reset-gpios = <&gpio 110 0>;
          cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED |
                                        CS35L45_ASP_TX_HIZ_DISABLED)>;
        };
    };
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@@ -4688,10 +4688,12 @@ CIRRUS LOGIC AUDIO CODEC DRIVERS
M:	James Schulman <james.schulman@cirrus.com>
M:	David Rhodes <david.rhodes@cirrus.com>
M:	Lucas Tanure <tanureal@opensource.cirrus.com>
M:	Richard Fitzgerald <rf@opensource.cirrus.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
L:	patches@opensource.cirrus.com
S:	Maintained
F:	Documentation/devicetree/bindings/sound/cirrus,cs*
F:	include/dt-bindings/sound/cs*
F:	sound/pci/hda/cs*
F:	sound/soc/codecs/cs*
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
 * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header
 *
 * Copyright 2022 Cirrus Logic, Inc.
 */

#ifndef DT_CS35L45_H
#define DT_CS35L45_H

/*
 * cirrus,asp-sdout-hiz-ctrl
 *
 * TX_HIZ_UNUSED:   TX pin high-impedance during unused slots.
 * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled.
 */
#define CS35L45_ASP_TX_HIZ_UNUSED	0x1
#define CS35L45_ASP_TX_HIZ_DISABLED	0x2

#endif /* DT_CS35L45_H */