dt: otg: updated doc with nvidia,enable-event-serialization

Enabling nvidia,enable-event-serialization makes
otg driver to process all vbus and id events in serial
manner. Also, removing stale field nvidia,id-detection_gpio.

Bug 1653886

Change-Id: Ib1091fdb9b1618a58a41ec583a24431fee589412
Signed-off-by: Rakesh Babu Bodla <rbodla@nvidia.com>
Reviewed-on: http://git-master/r/781522
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Venkat Tammineedi <vtammineedi@nvidia.com>

diff --git a/Documentation/devicetree/bindings/usb/otg-tegra.txt b/Documentation/devicetree/bindings/usb/otg-tegra.txt
index 8fa22f58fd313adb03028c6b9e2d1ea40338ec5f..a02343710697a548537f6f21a0b99accd6a68070 100644 (file)
--- a/Documentation/devicetree/bindings/usb/otg-tegra.txt
+++ b/Documentation/devicetree/bindings/usb/otg-tegra.txt
@@ -17,7 +17,9 @@ Optional properties:
     0 - if detection is through USB controller
     1 - if detection is through PMU extcon
     2 - if enable through sysfs interface.
-- nvidia,id-detection_gpio: If id detection is supported through GPIO, specify the GPIO phandle.
+- nvidia,enable-event-serialization: Enables to process every vbus/id events
+  serially. Note that this should be enabled only when events are notified from
+  process context.
 - nvidia,enable-xhci-host: Specify whether this port is taken by XUSB.
 - extcon-cables: Specify the phandles and index of different extcon needed.
 - extcon-cable-names: Specify the cable names needed from extcon.