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| -rw-r--r-- | Documentation/devicetree/bindings/sound/audio-graph-card.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-card.txt index bac4b1b1060f..6e6720aa33f1 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-card.txt +++ b/Documentation/devicetree/bindings/sound/audio-graph-card.txt @@ -10,6 +10,8 @@ see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.txt Below are same as Simple-Card. - label +- widgets +- routing - dai-format - frame-master - bitclock-master @@ -24,6 +26,9 @@ Required properties: - compatible : "audio-graph-card"; - dais : list of CPU DAI port{s} +Optional properties: +- pa-gpios: GPIO used to control external amplifier. + Example: Single DAI case sound_card { |