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-rw-r--r--Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml32
1 files changed, 24 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
index ed2fb32fcdd4..e1362c77472b 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/sound/nvidia,tegra186-dspk.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Tegra186 DSPK Controller Device Tree Bindings
+title: Tegra186 DSPK Controller
description: |
The Digital Speaker Controller (DSPK) can be viewed as a Pulse
@@ -17,6 +17,9 @@ maintainers:
- Jon Hunter <jonathanh@nvidia.com>
- Sameer Pujar <spujar@nvidia.com>
+allOf:
+ - $ref: dai-common.yaml#
+
properties:
$nodename:
pattern: "^dspk@[0-9a-f]*$"
@@ -25,7 +28,9 @@ properties:
oneOf:
- const: nvidia,tegra186-dspk
- items:
- - const: nvidia,tegra194-dspk
+ - enum:
+ - nvidia,tegra234-dspk
+ - nvidia,tegra194-dspk
- const: nvidia,tegra186-dspk
reg:
@@ -48,12 +53,23 @@ properties:
sound-name-prefix:
pattern: "^DSPK[1-9]$"
- $ref: /schemas/types.yaml#/definitions/string
- description:
- Used as prefix for sink/source names of the component. Must be a
- unique string among multiple instances of the same component.
- The name can be "DSPK1" or "DSPKx", where x depends on the maximum
- available instances on a Tegra SoC.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ properties:
+ port@0:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+ description: |
+ DSPK ACIF (Audio Client Interface) port connected to the
+ corresponding AHUB (Audio Hub) ACIF port.
+
+ port@1:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+ description: |
+ DSPK DAP (Digital Audio Port) interface which can be connected
+ to external audio codec for playback.
required:
- compatible