Based on kernel version 7.3. Page generated on 2026-10-19 13:17 EDT.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | # 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"; }; }; ... |