xref: /linux/Documentation/devicetree/bindings/sound/wlf,wm8731.yaml (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)
10e336eeaSMark Brown# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
20e336eeaSMark Brown%YAML 1.2
30e336eeaSMark Brown---
40e336eeaSMark Brown$id: http://devicetree.org/schemas/sound/wlf,wm8731.yaml#
50e336eeaSMark Brown$schema: http://devicetree.org/meta-schemas/core.yaml#
60e336eeaSMark Brown
70e336eeaSMark Browntitle: Wolfson Microelectromics WM8731 audio CODEC
80e336eeaSMark Brown
90e336eeaSMark Brownmaintainers:
100e336eeaSMark Brown  - patches@opensource.cirrus.com
110e336eeaSMark Brown
120e336eeaSMark Browndescription: |
130e336eeaSMark Brown  Wolfson Microelectronics WM8731 audio CODEC
140e336eeaSMark Brown
150e336eeaSMark Brown  Pins on the device (for linking into audio routes):
160e336eeaSMark Brown    * LOUT: Left Channel Line Output
170e336eeaSMark Brown    * ROUT: Right Channel Line Output
180e336eeaSMark Brown    * LHPOUT: Left Channel Headphone Output
190e336eeaSMark Brown    * RHPOUT: Right Channel Headphone Output
200e336eeaSMark Brown    * LLINEIN: Left Channel Line Input
210e336eeaSMark Brown    * RLINEIN: Right Channel Line Input
220e336eeaSMark Brown    * MICIN: Microphone Input
230e336eeaSMark Brown
240e336eeaSMark Brownproperties:
250e336eeaSMark Brown  compatible:
260e336eeaSMark Brown    enum:
270e336eeaSMark Brown      - wlf,wm8731
280e336eeaSMark Brown
290e336eeaSMark Brown  reg:
300e336eeaSMark Brown    maxItems: 1
310e336eeaSMark Brown
320e336eeaSMark Brown  "#sound-dai-cells":
330e336eeaSMark Brown    const: 0
340e336eeaSMark Brown
350e336eeaSMark Brown  clocks:
360e336eeaSMark Brown    description: Clock provider for MCLK pin.
370e336eeaSMark Brown    maxItems: 1
380e336eeaSMark Brown
390e336eeaSMark Brown  clock-names:
400e336eeaSMark Brown    items:
410e336eeaSMark Brown      - const: mclk
420e336eeaSMark Brown
430e336eeaSMark Brown  AVDD-supply:
440e336eeaSMark Brown    description: Analog power supply regulator on the AVDD pin.
450e336eeaSMark Brown
460e336eeaSMark Brown  HPVDD-supply:
470e336eeaSMark Brown    description: Headphone power supply regulator on the HPVDD pin.
480e336eeaSMark Brown
490e336eeaSMark Brown  DBVDD-supply:
500e336eeaSMark Brown    description: Digital buffer supply regulator for the DBVDD pin.
510e336eeaSMark Brown
520e336eeaSMark Brown  DCVDD-supply:
530e336eeaSMark Brown    description: Digital core supply regulator for the DCVDD pin.
540e336eeaSMark Brown
550e336eeaSMark Brownrequired:
560e336eeaSMark Brown  - reg
570e336eeaSMark Brown  - compatible
580e336eeaSMark Brown  - AVDD-supply
590e336eeaSMark Brown  - HPVDD-supply
600e336eeaSMark Brown  - DBVDD-supply
610e336eeaSMark Brown  - DCVDD-supply
620e336eeaSMark Brown
63abed2bafSKrzysztof KozlowskiallOf:
64*58ae9a2aSKrzysztof Kozlowski  - $ref: dai-common.yaml#
65abed2bafSKrzysztof Kozlowski  - $ref: /schemas/spi/spi-peripheral-props.yaml#
66abed2bafSKrzysztof Kozlowski
67abed2bafSKrzysztof KozlowskiunevaluatedProperties: false
68abed2bafSKrzysztof Kozlowski
690e336eeaSMark Brownexamples:
700e336eeaSMark Brown  - |
710e336eeaSMark Brown    spi {
720e336eeaSMark Brown        #address-cells = <1>;
730e336eeaSMark Brown        #size-cells = <0>;
740e336eeaSMark Brown        wm8731_i2c: codec@0 {
750e336eeaSMark Brown            compatible = "wlf,wm8731";
760e336eeaSMark Brown            reg = <0>;
770e336eeaSMark Brown            spi-max-frequency = <12500000>;
780e336eeaSMark Brown
790e336eeaSMark Brown            AVDD-supply = <&avdd_reg>;
800e336eeaSMark Brown            HPVDD-supply = <&hpvdd_reg>;
810e336eeaSMark Brown            DCVDD-supply = <&dcvdd_reg>;
820e336eeaSMark Brown            DBVDD-supply = <&dbvdd_reg>;
830e336eeaSMark Brown        };
840e336eeaSMark Brown    };
850e336eeaSMark Brown  - |
860e336eeaSMark Brown
870e336eeaSMark Brown    i2c {
880e336eeaSMark Brown        #address-cells = <1>;
890e336eeaSMark Brown        #size-cells = <0>;
900e336eeaSMark Brown        wm8731_spi: codec@1b {
910e336eeaSMark Brown            compatible = "wlf,wm8731";
920e336eeaSMark Brown            reg = <0x1b>;
930e336eeaSMark Brown
940e336eeaSMark Brown            AVDD-supply = <&avdd_reg>;
950e336eeaSMark Brown            HPVDD-supply = <&hpvdd_reg>;
960e336eeaSMark Brown            DCVDD-supply = <&dcvdd_reg>;
970e336eeaSMark Brown            DBVDD-supply = <&dbvdd_reg>;
980e336eeaSMark Brown        };
990e336eeaSMark Brown    };
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