[7/8] dt-bindings: adv748x: add information about serial audio interface (I2S/TDM)
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Message ID 20200113141550.GH3606@pflmari
State New
Delegated to: Kieran Bingham
Headers show
Series
  • media: i2c: adv748x: add support for HDMI audio
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Commit Message

Alex Riesen Jan. 13, 2020, 2:15 p.m. UTC
As the driver has some support for the audio interface of the device,
the bindings file should mention it.

Signed-off-by: Alexander Riesen <alexander.riesen@cetitec.com>
---
 .../devicetree/bindings/media/i2c/adv748x.txt       | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

Comments

Rob Herring Jan. 13, 2020, 10:32 p.m. UTC | #1
On Mon, 13 Jan 2020 15:15:50 +0100, Alex Riesen wrote:
> As the driver has some support for the audio interface of the device,
> the bindings file should mention it.
> 
> Signed-off-by: Alexander Riesen <alexander.riesen@cetitec.com>
> ---
>  .../devicetree/bindings/media/i2c/adv748x.txt       | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
index 4f91686e54a6..c42dffb37a82 100644
--- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
+++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
@@ -2,7 +2,9 @@ 
 
 The ADV7481 and ADV7482 are multi format video decoders with an integrated
 HDMI receiver. They can output CSI-2 on two independent outputs TXA and TXB
-from three input sources HDMI, analog and TTL.
+from three input sources HDMI, analog and TTL. There is also support for an
+I2S compatible interface connected to the audio processor of the HDMI decoder.
+The interface has TDM capability (8 slots, 32 bits, left or right justified).
 
 Required Properties:
 
@@ -47,6 +49,7 @@  are numbered as follows.
 	  TTL		sink		9
 	  TXA		source		10
 	  TXB		source		11
+	  I2S		source		12
 
 The digital output port nodes, when present, shall contain at least one
 endpoint. Each of those endpoints shall contain the data-lanes property as
@@ -113,4 +116,12 @@  Example:
 				remote-endpoint = <&csi20_in>;
 			};
 		};
+
+		port@c {
+			reg = <12>;
+
+			adv7482_i2s: endpoint {
+				remote-endpoint = <&i2s_in>;
+			};
+		};
 	};