linux-zen-desktop/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml

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2023-10-24 12:59:35 +02:00
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,wsa8840.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm WSA8840/WSA8845/WSA8845H smart speaker amplifier
maintainers:
- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description:
WSA884X is a family of Qualcomm Aqstic smart speaker amplifiers using
SoundWire digital audio interface.
allOf:
- $ref: dai-common.yaml#
properties:
compatible:
const: sdw20217020400
reg:
maxItems: 1
powerdown-gpios:
description: Powerdown/Shutdown line to use (pin SD_N)
maxItems: 1
'#sound-dai-cells':
const: 0
vdd-1p8-supply: true
vdd-io-supply: true
required:
- compatible
- reg
- powerdown-gpios
- '#sound-dai-cells'
- vdd-1p8-supply
- vdd-io-supply
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
soundwire-controller {
#address-cells = <2>;
#size-cells = <0>;
speaker@0,1 {
compatible = "sdw20217020400";
reg = <0 1>;
pinctrl-names = "default";
pinctrl-0 = <&spkr_2_sd_n_active>;
powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
#sound-dai-cells = <0>;
sound-name-prefix = "SpkrRight";
vdd-1p8-supply = <&vreg_l15b_1p8>;
vdd-io-supply = <&vreg_l3g_1p2>;
};
};