diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt b/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt index f148bf27723b..ecb4a249fe6e 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt +++ b/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt @@ -1,35 +1,36 @@ -Renesas Sampling Rate Convert Sound Card: +ASoC simple SCU Sound Card -Renesas Sampling Rate Convert Sound Card specifies audio DAI connections of SoC <-> codec. +Simple-Card specifies audio DAI connections of SoC <-> codec. Required properties: -- compatible : "renesas,rsrc-card" +- compatible : "simple-scu-audio-card" + "renesas,rsrc-card" Optional properties: -- card_name : User specified audio sound card name, one string +- simple-audio-card,name : User specified audio sound card name, one string property. -- cpu : CPU sub-node -- codec : CODEC sub-node +- simple-audio-card,cpu : CPU sub-node +- simple-audio-card,codec : CODEC sub-node Optional subnode properties: -- format : CPU/CODEC common audio format. +- simple-audio-card,format : CPU/CODEC common audio format. "i2s", "right_j", "left_j" , "dsp_a" "dsp_b", "ac97", "pdm", "msb", "lsb" -- frame-master : Indicates dai-link frame master. +- simple-audio-card,frame-master : Indicates dai-link frame master. phandle to a cpu or codec subnode. -- bitclock-master : Indicates dai-link bit clock master. +- simple-audio-card,bitclock-master : Indicates dai-link bit clock master. phandle to a cpu or codec subnode. -- bitclock-inversion : bool property. Add this if the +- simple-audio-card,bitclock-inversion : bool property. Add this if the dai-link uses bit clock inversion. -- frame-inversion : bool property. Add this if the +- simple-audio-card,frame-inversion : bool property. Add this if the dai-link uses frame clock inversion. -- convert-rate : platform specified sampling rate convert -- convert-channels : platform specified converted channel size (2 - 8 ch) -- audio-prefix : see audio-routing -- audio-routing : A list of the connections between audio components. +- simple-audio-card,convert-rate : platform specified sampling rate convert +- simple-audio-card,convert-channels : platform specified converted channel size (2 - 8 ch) +- simple-audio-card,prefix : see audio-routing +- simple-audio-card,routing : A list of the connections between audio components. Each entry is a pair of strings, the first being the connection's sink, the second being the connection's source. Valid names for sources. use audio-prefix if some components is using same sink/sources naming. @@ -54,18 +55,25 @@ Optional CPU/CODEC subnodes properties: Example sound { - compatible = "renesas,rsrc-card,lager"; + compatible = "simple-scu-audio-card"; - card-name = "rsnd-ak4643"; - format = "left_j"; - bitclock-master = <&sndcodec>; - frame-master = <&sndcodec>; + simple-audio-card,name = "rsnd-ak4643"; + simple-audio-card,format = "left_j"; + simple-audio-card,format = "left_j"; + simple-audio-card,bitclock-master = <&sndcodec>; + simple-audio-card,frame-master = <&sndcodec>; - sndcpu: cpu { + simple-audio-card,convert-rate = <48000>; /* see audio_clk_a */ + + simple-audio-card,prefix = "ak4642"; + simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback", + "DAI0 Capture", "ak4642 Capture"; + + sndcpu: simple-audio-card,cpu { sound-dai = <&rcar_sound>; }; - sndcodec: codec { + sndcodec: simple-audio-card,codec { sound-dai = <&ak4643>; system-clock-frequency = <11289600>; }; |