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Diffstat (limited to 'Documentation/devicetree/bindings/sound/mt2701-cs42448.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/mt2701-cs42448.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mt2701-cs42448.txt b/Documentation/devicetree/bindings/sound/mt2701-cs42448.txt new file mode 100644 index 000000000000..05574446ceb6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt2701-cs42448.txt @@ -0,0 +1,43 @@ +MT2701 with CS42448 CODEC + +Required properties: +- compatible: "mediatek,mt2701-cs42448-machine" +- mediatek,platform: the phandle of MT2701 ASoC platform +- audio-routing: a list of the connections between audio +- mediatek,audio-codec: the phandles of cs42448 codec +- mediatek,audio-codec-bt-mrg the phandles of bt-sco dummy codec +- pinctrl-names: Should contain only one value - "default" +- pinctrl-0: Should specify pin control groups used for this controller. +- i2s1-in-sel-gpio1, i2s1-in-sel-gpio2: Should specify two gpio pins to + control I2S1-in mux. + +Example: + + sound:sound { + compatible = "mediatek,mt2701-cs42448-machine"; + mediatek,platform = <&afe>; + /* CS42448 Machine name */ + audio-routing = + "Line Out Jack", "AOUT1L", + "Line Out Jack", "AOUT1R", + "Line Out Jack", "AOUT2L", + "Line Out Jack", "AOUT2R", + "Line Out Jack", "AOUT3L", + "Line Out Jack", "AOUT3R", + "Line Out Jack", "AOUT4L", + "Line Out Jack", "AOUT4R", + "AIN1L", "AMIC", + "AIN1R", "AMIC", + "AIN2L", "Tuner In", + "AIN2R", "Tuner In", + "AIN3L", "Satellite Tuner In", + "AIN3R", "Satellite Tuner In", + "AIN3L", "AUX In", + "AIN3R", "AUX In"; + mediatek,audio-codec = <&cs42448>; + mediatek,audio-codec-bt-mrg = <&bt_sco_codec>; + pinctrl-names = "default"; + pinctrl-0 = <&aud_pins_default>; + i2s1-in-sel-gpio1 = <&pio 53 0>; + i2s1-in-sel-gpio2 = <&pio 54 0>; + }; |