Signed-off-by: Stefan Roese sr@denx.de Cc: Thorsten Eisbein thorsten.eisbein@head-acoustics.de --- .../devicetree/bindings/sound/omap3-ha.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/omap3-ha.txt
diff --git a/Documentation/devicetree/bindings/sound/omap3-ha.txt b/Documentation/devicetree/bindings/sound/omap3-ha.txt new file mode 100644 index 0000000..09eccda --- /dev/null +++ b/Documentation/devicetree/bindings/sound/omap3-ha.txt @@ -0,0 +1,27 @@ +OMAP3 HA (HEAD acoustics) audio controller + +Required properties: +- compatible: "ha,ha-dsp-card" for OMAP3-HA board (TAO3530 based) +- ti,model: Name of the sound card (for example "omap3-ha") +- ti,mcbsp: phandle for the McBSP node +- ti,codec: phandle for the twl4030 audio node +- gpios: GPIO used to sync the clock for playback and record + +Optional properties: +- ha_dsp_codec_slave: + Add this property to test the codec in slave mode or without actual codec. + This makes it possible to test this driver by letting the OMAP be the DAI + link master. + +Example: +sound2 { + compatible = "ha,ha-dsp-card"; + ti,model = "omap3-ha"; + + /* McBSP3 is used for HA-DSP */ + ti,mcbsp = <&mcbsp3>; + ti,codec = <&soc_audio>; + + /* GPIO to sync the clock for playback and record */ + gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; /* GPIO 44 */ +};