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