99 lines
2.1 KiB
YAML
99 lines
2.1 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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$id: http://devicetree.org/schemas/sound/wlf,wm8731.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Wolfson Microelectromics WM8731 audio CODEC
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maintainers:
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- patches@opensource.cirrus.com
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description: |
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Wolfson Microelectronics WM8731 audio CODEC
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Pins on the device (for linking into audio routes):
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* LOUT: Left Channel Line Output
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* ROUT: Right Channel Line Output
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* LHPOUT: Left Channel Headphone Output
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* RHPOUT: Right Channel Headphone Output
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* LLINEIN: Left Channel Line Input
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* RLINEIN: Right Channel Line Input
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* MICIN: Microphone Input
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properties:
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compatible:
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enum:
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- wlf,wm8731
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reg:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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clocks:
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description: Clock provider for MCLK pin.
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maxItems: 1
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clock-names:
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items:
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- const: mclk
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AVDD-supply:
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description: Analog power supply regulator on the AVDD pin.
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HPVDD-supply:
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description: Headphone power supply regulator on the HPVDD pin.
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DBVDD-supply:
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description: Digital buffer supply regulator for the DBVDD pin.
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DCVDD-supply:
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description: Digital core supply regulator for the DCVDD pin.
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required:
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- reg
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- compatible
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- AVDD-supply
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- HPVDD-supply
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- DBVDD-supply
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- DCVDD-supply
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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wm8731_i2c: codec@0 {
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compatible = "wlf,wm8731";
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reg = <0>;
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spi-max-frequency = <12500000>;
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AVDD-supply = <&avdd_reg>;
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HPVDD-supply = <&hpvdd_reg>;
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DCVDD-supply = <&dcvdd_reg>;
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DBVDD-supply = <&dbvdd_reg>;
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};
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};
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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wm8731_spi: codec@1b {
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compatible = "wlf,wm8731";
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reg = <0x1b>;
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AVDD-supply = <&avdd_reg>;
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HPVDD-supply = <&hpvdd_reg>;
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DCVDD-supply = <&dcvdd_reg>;
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DBVDD-supply = <&dbvdd_reg>;
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};
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};
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