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ASoC: dt-bindings: add regulator support to dmic codec

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Add optional vref-supply property to describe the regulator supplying
the digital microphones.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://patch.msgid.link/20250306171840.593443-2-olivier.moysan@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan
2025-03-06 18:18:39 +01:00
committed by Mark Brown
parent 5d5eceb9bb
commit a8fed0bddf
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/sound/dmic-codec.yaml
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@@ -19,6 +19,9 @@ properties:
'#sound-dai-cells':
const: 0
vref-supply:
description: Phandle to the digital microphone reference supply
dmicen-gpios:
description: GPIO specifier for DMIC to control start and stop
maxItems: 1