This patch adds the DT documentation of the NXP TDA998x CODEC.
Signed-off-by: Jean-Francois Moine <moin...@free.fr>
---
Documentation/devicetree/bindings/drm/i2c/tda998x.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/drm/i2c/tda998x.txt
b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt
index d7df01c..aa0d81b 100644
--- a/Documentation/devicetree/bindings/drm/i2c/tda998x.txt
+++ b/Documentation/devicetree/bindings/drm/i2c/tda998x.txt
@@ -15,6 +15,17 @@ Optional properties:
- video-ports: 24 bits value which defines how the video controller
output is wired to the TDA998x input - default: <0x230145>
+Optional subnodes:
+
+ - codec: audio CODEC
+
+Required codec subnode properties:
+ - compatible: must be "nxp,tda998x-codec".
+ - audio-ports: one or two values corresponding to entries in
+ the audio-port-names property.
+ - audio-port-names: must contain "i2s", "spdif" entries
+ matching entries in the audio-ports property.
+
Example:
tda998x: hdmi-encoder {
@@ -24,4 +35,10 @@ Example:
interrupts = <27 2>; /* falling edge */
pinctrl-0 = <&pmx_camera>;
pinctrl-names = "default";
+ hdmi_codec: codec {
+ compatible = "nxp,tda998x-codec";
+ audio-ports = <0x03>, <0x04>;
+ audio-port-names = "i2s", "spdif";
+ #sound-dai-cells = <1>;
+ };
};
--
1.9.rc1
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