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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,wsa8855.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm WSA8855 stereo smart speaker amplifier
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
- Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
description:
WSA885X is a Qualcomm Aqstic stereo smart speaker amplifier. It uses a PCM
audio interface, an I2C control interface, and a Class-H amplifier path for
high efficiency, low output noise, and low idle power consumption.
allOf:
- $ref: dai-common.yaml#
properties:
compatible:
const: qcom,wsa8855
reg:
maxItems: 1
'#sound-dai-cells':
const: 0
powerdown-gpios:
description: GPIO controlling the SD_N powerdown pin.
maxItems: 1
reset-gpios:
description: GPIO controlling the SD_N powerdown pin.
maxItems: 1
interrupts:
maxItems: 1
vdd-1p8-supply: true
vdd-io-supply: true
qcom,battery-config:
description:
Battery topology connected to the speaker amplifier. 1S indicates one
battery cell in series, while 2S indicates two battery cells in series.
$ref: /schemas/types.yaml#/definitions/string
default: 1s
enum:
- 1s
- 2s
required:
- compatible
- reg
- '#sound-dai-cells'
- interrupts
- vdd-1p8-supply
- vdd-io-supply
oneOf:
- required:
- powerdown-gpios
- required:
- reset-gpios
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
speaker@c {
compatible = "qcom,wsa8855";
reg = <0x0c>;
#sound-dai-cells = <0>;
powerdown-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
interrupt-parent = <&tlmm>;
interrupts = <77 IRQ_TYPE_EDGE_FALLING>;
vdd-1p8-supply = <&vreg_l2g_1p8>;
vdd-io-supply = <&vreg_l1g_1p2>;
qcom,battery-config = "1s";
};
};
...
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