From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- .../devicetree/bindings/sound/simple-scu-card.txt | 32 +++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/sound/simple-scu-card.txt b/Documentation/devicetree/bindings/sound/simple-scu-card.txt index ecb4a24..d6fe47e 100644 --- a/Documentation/devicetree/bindings/sound/simple-scu-card.txt +++ b/Documentation/devicetree/bindings/sound/simple-scu-card.txt @@ -52,7 +52,7 @@ Optional CPU/CODEC subnodes properties: clk_disable_unprepare() in dai shutdown().
-Example +Example 1. Sampling Rate Covert
sound { compatible = "simple-scu-audio-card"; @@ -78,3 +78,33 @@ sound { system-clock-frequency = <11289600>; }; }; + +Example 2. 2 CPU 1 Codec + +sound { + compatible = "renesas,rsrc-card"; + + card-name = "rsnd-ak4643"; + format = "left_j"; + bitclock-master = <&dpcmcpu>; + frame-master = <&dpcmcpu>; + + convert-rate = <48000>; /* see audio_clk_a */ + + audio-prefix = "ak4642"; + audio-routing = "ak4642 Playback", "DAI0 Playback", + "ak4642 Playback", "DAI1 Playback"; + + dpcmcpu: cpu@0 { + sound-dai = <&rcar_sound 0>; + }; + + cpu@1 { + sound-dai = <&rcar_sound 1>; + }; + + codec { + sound-dai = <&ak4643>; + clocks = <&audio_clock>; + }; +};