[PATCH 2/4] ASoC: dt-bindings: audio-graph-card2: add widgets and hp-det-gpios support

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From: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>

Introduce the 'widgets' property, allowing the creation of widgets from
4 template widgets: Microphone, Line, Headphone, and Speaker. Also
introduce the 'hp-det-gpios' property, which allows using headphone
detection using the specified GPIO.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
---
 .../devicetree/bindings/sound/audio-graph-card2.yaml     | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml b/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml
index f943f90d8b15..f0300a08f7fe 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml
@@ -37,6 +37,15 @@ properties:
   codec2codec:
     type: object
     description: Codec to Codec node
+  hp-det-gpios:
+    maxItems: 1
+  widgets:
+    description:
+      User specified audio sound widgets.
+      Each entry is a pair of strings, the first being the type of
+      widget ("Microphone", "Line", "Headphone", "Speaker"), the
+      second being the machine specific name for the widget.
+    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
 
 required:
   - compatible
-- 
2.34.1





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