Files
linux/Documentation/devicetree/bindings/sound/wlf,wm8731.yaml
Mark Brown 0e336eeaf4 ASoC: wm8731: Convert DT bindings to YAML format
Convert the WM8731 DT bindings to YAML format, including addition of
documentation for the regulator and clock bindings which the driver has
had for some time but which were not covered in the bindings document.

Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220325153121.1598494-7-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:39:34 +01:00

98 lines
2.1 KiB
YAML

# 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>;
};
};