| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/wlf,wm8731.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Wolfson Microelectromics WM8731 audio CODEC |
| 8 | |
| 9 | maintainers: |
| 10 | - patches@opensource.cirrus.com |
| 11 | |
| 12 | description: | |
| 13 | Wolfson Microelectronics WM8731 audio CODEC |
| 14 | |
| 15 | Pins on the device (for linking into audio routes): |
| 16 | * LOUT: Left Channel Line Output |
| 17 | * ROUT: Right Channel Line Output |
| 18 | * LHPOUT: Left Channel Headphone Output |
| 19 | * RHPOUT: Right Channel Headphone Output |
| 20 | * LLINEIN: Left Channel Line Input |
| 21 | * RLINEIN: Right Channel Line Input |
| 22 | * MICIN: Microphone Input |
| 23 | |
| 24 | properties: |
| 25 | compatible: |
| 26 | enum: |
| 27 | - wlf,wm8731 |
| 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | "#sound-dai-cells": |
| 33 | const: 0 |
| 34 | |
| 35 | clocks: |
| 36 | description: Clock provider for MCLK pin. |
| 37 | maxItems: 1 |
| 38 | |
| 39 | clock-names: |
| 40 | items: |
| 41 | - const: mclk |
| 42 | |
| 43 | AVDD-supply: |
| 44 | description: Analog power supply regulator on the AVDD pin. |
| 45 | |
| 46 | HPVDD-supply: |
| 47 | description: Headphone power supply regulator on the HPVDD pin. |
| 48 | |
| 49 | DBVDD-supply: |
| 50 | description: Digital buffer supply regulator for the DBVDD pin. |
| 51 | |
| 52 | DCVDD-supply: |
| 53 | description: Digital core supply regulator for the DCVDD pin. |
| 54 | |
| 55 | required: |
| 56 | - reg |
| 57 | - compatible |
| 58 | - AVDD-supply |
| 59 | - HPVDD-supply |
| 60 | - DBVDD-supply |
| 61 | - DCVDD-supply |
| 62 | |
| 63 | allOf: |
| 64 | - $ref: dai-common.yaml# |
| 65 | - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| 66 | |
| 67 | unevaluatedProperties: false |
| 68 | |
| 69 | examples: |
| 70 | - | |
| 71 | spi { |
| 72 | #address-cells = <1>; |
| 73 | #size-cells = <0>; |
| 74 | wm8731_i2c: codec@0 { |
| 75 | compatible = "wlf,wm8731"; |
| 76 | reg = <0>; |
| 77 | spi-max-frequency = <12500000>; |
| 78 | |
| 79 | AVDD-supply = <&avdd_reg>; |
| 80 | HPVDD-supply = <&hpvdd_reg>; |
| 81 | DCVDD-supply = <&dcvdd_reg>; |
| 82 | DBVDD-supply = <&dbvdd_reg>; |
| 83 | }; |
| 84 | }; |
| 85 | - | |
| 86 | |
| 87 | i2c { |
| 88 | #address-cells = <1>; |
| 89 | #size-cells = <0>; |
| 90 | wm8731_spi: codec@1b { |
| 91 | compatible = "wlf,wm8731"; |
| 92 | reg = <0x1b>; |
| 93 | |
| 94 | AVDD-supply = <&avdd_reg>; |
| 95 | HPVDD-supply = <&hpvdd_reg>; |
| 96 | DCVDD-supply = <&dcvdd_reg>; |
| 97 | DBVDD-supply = <&dbvdd_reg>; |
| 98 | }; |
| 99 | }; |