# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/wlf,wm8731.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Wolfson Microelectromics WM8731 audio CODEC maintainers: - patches@opensource.cirrus.com description: | Wolfson Microelectronics WM8731 audio CODEC Pins on the device (for linking into audio routes): * LOUT: Left Channel Line Output * ROUT: Right Channel Line Output * LHPOUT: Left Channel Headphone Output * RHPOUT: Right Channel Headphone Output * LLINEIN: Left Channel Line Input * RLINEIN: Right Channel Line Input * MICIN: Microphone Input properties: compatible: enum: - wlf,wm8731 reg: maxItems: 1 "#sound-dai-cells": const: 0 clocks: description: Clock provider for MCLK pin. maxItems: 1 clock-names: items: - const: mclk AVDD-supply: description: Analog power supply regulator on the AVDD pin. HPVDD-supply: description: Headphone power supply regulator on the HPVDD pin. DBVDD-supply: description: Digital buffer supply regulator for the DBVDD pin. DCVDD-supply: description: Digital core supply regulator for the DCVDD pin. required: - reg - compatible - AVDD-supply - HPVDD-supply - DBVDD-supply - DCVDD-supply allOf: - $ref: dai-common.yaml# - $ref: /schemas/spi/spi-peripheral-props.yaml# unevaluatedProperties: false examples: - | spi { #address-cells = <1>; #size-cells = <0>; wm8731_i2c: codec@0 { compatible = "wlf,wm8731"; reg = <0>; spi-max-frequency = <12500000>; AVDD-supply = <&avdd_reg>; HPVDD-supply = <&hpvdd_reg>; DCVDD-supply = <&dcvdd_reg>; DBVDD-supply = <&dbvdd_reg>; }; }; - | i2c { #address-cells = <1>; #size-cells = <0>; wm8731_spi: codec@1b { compatible = "wlf,wm8731"; reg = <0x1b>; AVDD-supply = <&avdd_reg>; HPVDD-supply = <&hpvdd_reg>; DCVDD-supply = <&dcvdd_reg>; DBVDD-supply = <&dbvdd_reg>; }; };