drm/exynos: dp: support hotplug detection via GPIO

[mirror_ubuntu-bionic-kernel.git] / Documentation / devicetree / bindings / video / exynos_dp.txt

diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt
index 57ccdde02c3ab9fb8deb5c60dd72fcf7d3081390..53dbccfa80caf7f0d1650b15c85d12afd2be518f 100644 (file)
--- a/Documentation/devicetree/bindings/video/exynos_dp.txt
+++ b/Documentation/devicetree/bindings/video/exynos_dp.txt
@@ -62,6 +62,10 @@ Optional properties for dp-controller:
        -hsync-active-high:
                HSYNC polarity configuration.
                        High if defined, Low if not defined
+       -samsung,hpd-gpio:
+               Hotplug detect GPIO.
+                       Indicates which GPIO should be used for hotplug
+                       detection
 
 Example: