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

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
---
 Documentation/devicetree/bindings/sound/dmic-codec.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/dmic-codec.yaml b/Documentation/devicetree/bindings/sound/dmic-codec.yaml
index 59ef0cf6b6e5..cc3c84dd4c26 100644
--- a/Documentation/devicetree/bindings/sound/dmic-codec.yaml
+++ b/Documentation/devicetree/bindings/sound/dmic-codec.yaml
@@ -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
-- 
2.25.1

On Thu, 06 Mar 2025 18:18:39 +0100, Olivier Moysan wrote:
> Add optional vref-supply property to describe the regulator supplying
> the digital microphones.
> 
> Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
> ---
>  Documentation/devicetree/bindings/sound/dmic-codec.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>