97 lines
2.8 KiB
YAML
97 lines
2.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,wcd939x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm WCD9380/WCD9385 Audio Codec
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description: |
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Qualcomm WCD9390/WCD9395 Codec is a standalone Hi-Fi audio codec IC.
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It has RX and TX Soundwire devices.
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The WCD9390/WCD9395 IC has a functionally separate USB-C Mux subsystem
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accessible over an I2C interface.
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The Audio Headphone and Microphone data path between the Codec and the USB-C Mux
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subsystems are external to the IC, thus requiring DT port-endpoint graph description
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to handle USB-C altmode & orientation switching for Audio Accessory Mode.
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allOf:
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- $ref: dai-common.yaml#
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- $ref: qcom,wcd93xx-common.yaml#
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properties:
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compatible:
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oneOf:
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- const: qcom,wcd9390-codec
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- items:
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- const: qcom,wcd9395-codec
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- const: qcom,wcd9390-codec
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mode-switch:
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description: Flag the port as possible handler of altmode switching
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type: boolean
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orientation-switch:
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description: Flag the port as possible handler of orientation switching
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type: boolean
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port:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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A port node to link the WCD939x Codec node to USB MUX subsystems for the
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purpose of handling altmode muxing and orientation switching to detect and
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enable Audio Accessory Mode.
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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codec {
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compatible = "qcom,wcd9390-codec";
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reset-gpios = <&tlmm 32 IRQ_TYPE_NONE>;
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#sound-dai-cells = <1>;
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qcom,tx-device = <&wcd939x_tx>;
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qcom,rx-device = <&wcd939x_rx>;
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qcom,micbias1-microvolt = <1800000>;
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qcom,micbias2-microvolt = <1800000>;
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qcom,micbias3-microvolt = <1800000>;
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qcom,micbias4-microvolt = <1800000>;
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qcom,hphl-jack-type-normally-closed;
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qcom,ground-jack-type-normally-closed;
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qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
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qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
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};
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/* ... */
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soundwire@3210000 {
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#address-cells = <2>;
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#size-cells = <0>;
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reg = <0x03210000 0x2000>;
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wcd939x_rx: codec@0,4 {
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compatible = "sdw20217010e00";
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reg = <0 4>;
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qcom,rx-port-mapping = <1 2 3 4 5 6>;
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};
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};
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soundwire@3230000 {
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#address-cells = <2>;
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#size-cells = <0>;
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reg = <0x03230000 0x2000>;
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wcd938x_tx: codec@0,3 {
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compatible = "sdw20217010e00";
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reg = <0 3>;
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qcom,tx-port-mapping = <2 3 4 5>;
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};
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};
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...
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