ROCKCHIP multicodecs audio
|
|
Required properties:
|
- compatible: "rockchip,multicodecs-card"
|
- rockchip,cpu: The phandle of the Rockchip I2S/PDM controller that's
|
connected to the CODEC
|
- rockchip,codec: The phandle of audio codecs
|
|
Optional properties:
|
- rockchip,card-name: User specified audio sound card name, one string property.
|
- rockchip,codec-hp-det : Detect the headphone via internal codec.
|
- rockchip,wait-card-locked : This is a variable length array, user specified
|
these sound cards need to be prepared and locked,
|
otherwise the local slave card can be probed.
|
|
Optional dai-link subnode properties:
|
- rockchip,format : CPU/CODEC common audio format.
|
"i2s", "right_j", "left_j" , "dsp_a"
|
"dsp_b", "ac97", "pdm", "msb", "lsb".
|
- rockchip,frame-master : Indicates dai-link frame master.
|
phandle to a cpu or codec subnode.
|
- rockchip,bitclock-master : Indicates dai-link bit clock master.
|
phandle to a cpu or codec subnode.
|
- rockchip,bitclock-inversion : bool property. Add this if the
|
dai-link uses bit clock inversion.
|
- rockchip,frame-inversion : bool property. Add this if the
|
dai-link uses frame clock inversion.
|
- rockchip,mclk-fs : Multiplication factor between stream
|
rate and codec mclk, applied only for
|
the dai-link.
|
|
Example:
|
|
sound {
|
compatible = "rockchip,multicodecs-card";
|
rockchip,mclk-fs = <256>;
|
rockchip,cpu = <&i2s0_8ch>;
|
rockchip,codec = <&codec>, <&vad>;
|
};
|