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-rw-r--r--Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml18
1 files changed, 17 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
index 2a3207b550e7..89f4f471be24 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
@@ -16,6 +16,9 @@ maintainers:
- Jon Hunter <jonathanh@nvidia.com>
- Sameer Pujar <spujar@nvidia.com>
+allOf:
+ - $ref: audio-graph-port.yaml#
+
properties:
$nodename:
pattern: "^dmic@[0-9a-f]*$"
@@ -56,6 +59,19 @@ properties:
The name can be "DMIC1" or "DMIC2" ... "DMICx", where x depends
on the maximum available instances on a Tegra SoC.
+ ports:
+ type: object
+ properties:
+ port@0:
+ description: |
+ DMIC ACIF (Audio Client Interface) port connected to the
+ corresponding AHUB (Audio Hub) ACIF port.
+
+ port@1:
+ description: |
+ DMIC DAP (Digital Audio Port) interface which can be connected
+ to external audio codec for capture.
+
required:
- compatible
- reg
@@ -64,7 +80,7 @@ required:
- assigned-clocks
- assigned-clock-parents
-additionalProperties: false
+unevaluatedProperties: false
examples:
- |