fsl-asoc-card currently doesn't support generic codecs with the SoC acting as I2S slave.
This commit adds a new `fsl,imx-audio-i2s-slave` for this use-case, as well as the following mandatory properties: - `audio-codec-dai-name` for specifying the codec DAI to be used - `audio-slot-width`
Signed-off-by: Arnaud Ferraris arnaud.ferraris@collabora.com --- .../bindings/sound/fsl-asoc-card.txt | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt index 133d7e14a4d0..694a138df462 100644 --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt @@ -22,6 +22,8 @@ Note: The card is initially designed for those sound cards who use AC'97, I2S The compatible list for this generic sound card currently: "fsl,imx-audio-ac97"
+ "fsl,imx-audio-i2s-slave" + "fsl,imx-audio-cs42888"
"fsl,imx-audio-cs427x" @@ -75,7 +77,13 @@ Optional unless SSI is selected as a CPU DAI:
- mux-ext-port : The external port of the i.MX audio muxer
-Example: +Optional unless compatible is "fsl,imx-audio-i2s-slave": + + - audio-codec-dai-name: The name of the DAI provided by the codec + + - audio-slot-width : The audio sample format + +Examples: sound-cs42888 { compatible = "fsl,imx-audio-cs42888"; model = "cs42888-audio"; @@ -96,3 +104,16 @@ sound-cs42888 { "AIN2L", "Line In Jack", "AIN2R", "Line In Jack"; }; + +sound-bluetooth { + compatible = "fsl,imx-audio-i2s-slave"; + audio-cpu = <&ssi1>; + audio-codec = <&codec_bluetooth>; + audio-codec-dai-name = "bt-sco-pcm-wb"; + audio-slot-width = <16>; + audio-routing = + "RX", "Mic Jack", + "Headphone Jack", "TX"; + mux-int-port = <1>; + mux-ext-port = <4>; +};