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dt-bindings: tda998x: add the calibration gpio

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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 <robh@kernel.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2017-11-29 10:27:12 +00:00
parent 7e8675f000
commit ba52762fb1
1 changed files with 3 additions and 0 deletions
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Documentation/devicetree/bindings/display/bridge/tda998x.txt
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@ -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