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-rw-r--r--Documentation/devicetree/bindings/display/bridge/tda998x.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/tda998x.txt b/Documentation/devicetree/bindings/display/bridge/tda998x.txt
index 24cc2466185a..1a4eaca40d94 100644
--- a/Documentation/devicetree/bindings/display/bridge/tda998x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/tda998x.txt
@@ -27,6 +27,9 @@ Optional properties:
in question is used. The implementation allows one or two DAIs. If two
DAIs are defined, they must be of different type.
+ - nxp,calib-gpios: calibration GPIO, which must correspond with the
+ gpio used for the TDA998x interrupt pin.
+
[1] Documentation/sound/alsa/soc/DAI.txt
[2] include/dt-bindings/display/tda998x.h