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Diffstat (limited to 'Documentation/devicetree/bindings/sound/mt8173-rt5650.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/mt8173-rt5650.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt new file mode 100644 index 000000000..29dce2ac8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt @@ -0,0 +1,31 @@ +MT8173 with RT5650 CODECS and HDMI via I2S + +Required properties: +- compatible : "mediatek,mt8173-rt5650" +- mediatek,audio-codec: the phandles of rt5650 codecs + and of the hdmi encoder node +- mediatek,platform: the phandle of MT8173 ASoC platform + +Optional subnodes: +- codec-capture : the subnode of rt5650 codec capture +Required codec-capture subnode properties: +- sound-dai: audio codec dai name on capture path + <&rt5650 0> : Default setting. Connect rt5650 I2S1 for capture. (dai_name = rt5645-aif1) + <&rt5650 1> : Connect rt5650 I2S2 for capture. (dai_name = rt5645-aif2) + +- mediatek,mclk: the MCLK source + 0 : external oscillator, MCLK = 12.288M + 1 : internal source from mt8173, MCLK = sampling rate*256 + +Example: + + sound { + compatible = "mediatek,mt8173-rt5650"; + mediatek,audio-codec = <&rt5650 &hdmi0>; + mediatek,platform = <&afe>; + mediatek,mclk = <0>; + codec-capture { + sound-dai = <&rt5650 1>; + }; + }; + |