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Diffstat (limited to 'Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt b/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt deleted file mode 100644 index 255ece3043ad..000000000000 --- a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt +++ /dev/null @@ -1,75 +0,0 @@ -Renesas Sampling Rate Convert Sound Card: - -Renesas Sampling Rate Convert Sound Card specifies audio DAI connections of SoC <-> codec. - -Required properties: - -- compatible : "renesas,rsrc-card{,<board>}" - Examples with boards are: - - "renesas,rsrc-card" - - "renesas,rsrc-card,lager" - - "renesas,rsrc-card,koelsch" -Optional properties: - -- card_name : User specified audio sound card name, one string - property. -- cpu : CPU sub-node -- codec : CODEC sub-node - -Optional subnode properties: - -- 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. - phandle to a cpu or codec subnode. -- bitclock-master : Indicates dai-link bit clock master. - phandle to a cpu or codec subnode. -- bitclock-inversion : bool property. Add this if the - dai-link uses bit clock inversion. -- 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. - 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. - it can be used if compatible was "renesas,rsrc-card"; - -Required CPU/CODEC subnodes properties: - -- sound-dai : phandle and port of CPU/CODEC - -Optional CPU/CODEC subnodes properties: - -- clocks / system-clock-frequency : specify subnode's clock if needed. - it can be specified via "clocks" if system has - clock node (= common clock), or "system-clock-frequency" - (if system doens't support common clock) - If a clock is specified, it is - enabled with clk_prepare_enable() - in dai startup() and disabled with - clk_disable_unprepare() in dai - shutdown(). - -Example - -sound { - compatible = "renesas,rsrc-card,lager"; - - card-name = "rsnd-ak4643"; - format = "left_j"; - bitclock-master = <&sndcodec>; - frame-master = <&sndcodec>; - - sndcpu: cpu { - sound-dai = <&rcar_sound>; - }; - - sndcodec: codec { - sound-dai = <&ak4643>; - system-clock-frequency = <11289600>; - }; -}; |