[PATCH v2] ASoC: dt-bindings: simple-card: add triggers properties

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The trigger-start/stop properties allows to specify DAI link
trigger ordering method.

Signed-off-by: Maxim Kochetkov <fido_max@xxxxxxxx>
---
 .../bindings/sound/simple-card.yaml           | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
index 59ac2d1d1ccf..f1878d470d83 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
@@ -99,6 +99,28 @@ definitions:
     description: the widget names for which pin switches must be created.
     $ref: /schemas/types.yaml#/definitions/string-array
 
+  trigger-start:
+    description: |-
+      Start trigger ordering method:
+      default: Link->Component->DAI
+      ldc: Link->DAI->Component
+    $ref: /schemas/types.yaml#/definitions/string
+    items:
+      enum:
+        - default
+        - ldc
+
+  trigger-stop:
+    description: |-
+      Stop trigger ordering method:
+      default: DAI->Component->Link
+      ldc: Component->DAI->Link
+    $ref: /schemas/types.yaml#/definitions/string
+    items:
+      enum:
+        - default
+        - ldc
+
   format:
     description: audio format.
     items:
@@ -210,6 +232,10 @@ properties:
     maxItems: 1
   simple-audio-card,mic-det-gpio:
     maxItems: 1
+  simple-audio-card,trigger-start:
+    $ref: "#/definitions/trigger-start"
+  simple-audio-card,trigger-stop:
+    $ref: "#/definitions/trigger-stop"
 
 patternProperties:
   "^simple-audio-card,cpu(@[0-9a-f]+)?$":
@@ -259,6 +285,11 @@ patternProperties:
         maxItems: 1
       mic-det-gpio:
         maxItems: 1
+      trigger-start:
+        $ref: "#/definitions/trigger-start"
+      trigger-stop:
+        $ref: "#/definitions/trigger-stop"
+
 
     patternProperties:
       "^cpu(-[0-9]+)?$":
-- 
2.40.1




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