Add the optional calibration gpio for integrated TDA9950 CEC support.
This GPIO corresponds with the interrupt from the TDA998x, as the
calibration requires driving the interrupt pin low.
Reviewed-by: Rob Herring <r...@kernel.org>
Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
---
Documentation/devicetree/bindings/display/bridge/tda998x.txt | 3 +++
1 file changed, 3 insertions(+)
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 @@ Required 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
--
2.7.4
