This adds the two new properties 'plls' and 'sysclks' to the dt bindings schema document. These add the ability to set values that will be passed to snd_soc_component_set_sysclk() and snd_soc_component_set_pll().
Signed-off-by: Richard Fitzgerald rf@opensource.cirrus.com --- .../bindings/sound/simple-card.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml index 35e669020296..48c9a4313d58 100644 --- a/Documentation/devicetree/bindings/sound/simple-card.yaml +++ b/Documentation/devicetree/bindings/sound/simple-card.yaml @@ -92,6 +92,25 @@ definitions: description: the widget names for which pin switches must be created. $ref: /schemas/types.yaml#/definitions/string-array
+ plls: + description: | + A list of component pll settings that will be applied with + snd_soc_component_set_pll. Each entry is a phandle to the node of the + codec or cpu component, followed by the four arguments id, source, + frequency_in, frequency_out. Multiple entries can have the same phandle + so that several plls can be set in the same component. + $ref: /schemas/types.yaml#/definitions/phandle-array + + sysclks: + description: | + A list of component sysclk settings that will be applied with + snd_soc_component_set_sysclk. Each entry is a phandle to the node of + the codec or cpu component, followed by the four arguments id, source, + frequency, direction. Direction is 0 if the clock is an input, 1 if it + is an output. Multiple entries can have the same phandle so that several + clocks can be set in the same component. + $ref: /schemas/types.yaml#/definitions/phandle-array + format: description: audio format. items: @@ -192,6 +211,10 @@ patternProperties: $ref: "#/definitions/prefix" "^simple-audio-card,pin-switches$": $ref: "#/definitions/pin-switches" + "^simple-audio-card,plls$": + $ref: "#/definitions/plls" + "^simple-audio-card,sysclks$": + $ref: "#/definitions/sysclks" "^simple-audio-card,hp-det-gpio$": maxItems: 1 "^simple-audio-card,mic-det-gpio$": @@ -489,3 +512,36 @@ examples: }; }; }; + +#-------------------- +# Codec with component PLL and SYSCLK settings +#-------------------- + - | + sound { + compatible = "simple-audio-card"; + + simple-audio-card,plls = < + &cs47l15 1 1 32768 98304000 + >; + + simple-audio-card,sysclks = < + &cs47l15 1 4 98304000 0 + &cs47l15 8 4 147456000 0 + >; + + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&cs47l15_codec_dai>; + simple-audio-card,frame-master = <&cs47l15_codec_dai>; + + simple-audio-card,cpu { + sound-dai = <&axi_i2s0 0>; + }; + + cs47l15_codec_dai: simple-audio-card,codec { + sound-dai = <&cs47l15 0>; + + /* Disable dai_set_sysclk() */ + system-clock-frequency = <0>; + mclk-fs = <0>; + }; + };