| # 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. |
| |
| spi-max-frequency: true |
| |
| additionalProperties: false |
| |
| required: |
| - reg |
| - compatible |
| - AVDD-supply |
| - HPVDD-supply |
| - DBVDD-supply |
| - DCVDD-supply |
| |
| 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>; |
| }; |
| }; |
