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Convert the WM8904 audio CODEC bindings to DT schema. Compared to the original binding #sound-dai-cells and the missing power supplies are added. The latter are all required as described in the datasheet. Datasheet: https://statics.cirrus.com/pubs/proDatasheet/WM8904_Rev4.1.pdf Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230719121918.247397-1-francesco@dolcini.it Signed-off-by: Mark Brown <broonie@kernel.org>
74 lines
1.4 KiB
YAML
74 lines
1.4 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/wlf,wm8904.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Wolfson WM8904/WM8912 audio codecs
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maintainers:
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- patches@opensource.cirrus.com
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description: |
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Pins on the device (for linking into audio routes):
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IN1L, IN1R, IN2L, IN2R, IN3L, IN3R, HPOUTL, HPOUTR, LINEOUTL, LINEOUTR,
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MICBIAS
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properties:
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compatible:
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enum:
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- wlf,wm8904
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- wlf,wm8912
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reg:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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clocks:
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maxItems: 1
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clock-names:
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const: mclk
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AVDD-supply: true
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CPVDD-supply: true
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DBVDD-supply: true
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DCVDD-supply: true
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MICVDD-supply: true
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- AVDD-supply
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- CPVDD-supply
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- DBVDD-supply
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- DCVDD-supply
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- MICVDD-supply
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allOf:
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- $ref: dai-common.yaml#
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unevaluatedProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec@1a {
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compatible = "wlf,wm8904";
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reg = <0x1a>;
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clocks = <&pck0>;
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clock-names = "mclk";
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AVDD-supply = <®_1p8v>;
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CPVDD-supply = <®_1p8v>;
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DBVDD-supply = <®_1p8v>;
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DCVDD-supply = <®_1p8v>;
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MICVDD-supply = <®_1p8v>;
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};
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};
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