Add documentation on optional dt attribute "input-debounce"
in extcon node to capture user specified timeout value for id
and vbus gpio detection.
Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@xxxxxxxxxxxx>
Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
Reviewed-by: Srinath Mannam <srinath.mannam@xxxxxxxxxxxx>
Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
Changes in v3:
- Modified commit log to name debounce-timeout-ms to input-debounce
- Added Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Changes in v2:
Rename debounce-timeout-ms to input-debounce
Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
index dfc14f7..d115900 100644
--- a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
+++ b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
@@ -10,6 +10,9 @@ Either one of id-gpio or vbus-gpio must be present. Both can be present as well.
- id-gpio: gpio for USB ID pin. See gpio binding.
- vbus-gpio: gpio for USB VBUS pin.
+Optional properties:
+- input-debounce: debounce timeout value for id and vbus gpio in microseconds.
+
Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below:
extcon_usb1 {
compatible = "linux,extcon-usb-gpio";
--
1.9.1
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