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authorPC Liao <pc.liao@mediatek.com>2016-04-21 14:38:14 +0300
committerMark Brown <broonie@kernel.org>2016-04-21 19:08:25 +0300
commitd349caeb05104ef01392abc6c7cfc8ab516c7be4 (patch)
tree35791c8a229a6ba90ea0f11eeeb4afa0cf5be7cf /Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-d349caeb05104ef01392abc6c7cfc8ab516c7be4.tar.xz
ASoC: mediatek: Add second I2S on mt8173-rt5650 machine driver
This patch adds second I2S connection to rt5650 codec for capture path on mt8173-rt5650 machine driver. Signed-off-by: PC Liao <pc.liao@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/mt8173-rt5650.txt')
-rw-r--r--Documentation/devicetree/bindings/sound/mt8173-rt5650.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
index fe5a5ef1714d..5bfa6b60530b 100644
--- a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
+++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
@@ -5,11 +5,21 @@ Required properties:
- mediatek,audio-codec: the phandles of rt5650 codecs
- 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)
+
Example:
sound {
compatible = "mediatek,mt8173-rt5650";
mediatek,audio-codec = <&rt5650>;
mediatek,platform = <&afe>;
+ codec-capture {
+ sound-dai = <&rt5650 1>;
+ };
};