new file mode 100644
@@ -0,0 +1,22 @@
+EXTCON FOR GPIO
+
+extcon-gpio responsible to detect external cable state when
+attached or detached.
+
+Required Properties:
+ - compatible : Should be "extcon-gpio";
+
+Optional Properties:
+ - extcon-gpio,name: Name of extcon device.
+ - gpios: gpio number.
+ - extcon-gpio,irq-flags: IRQ flags for gpio.
+ - debounce-ms: Debounce time in ms.
+ - extcon-gpio,cable-names: The unique id of specific external connector
+ defined in include/linux/extcon.h
+
+extcon-gpio {
+ compatible = "extcon-gpio";
+ extcon-gpio,name = "VBUS";
+ gpios = <&gpio 20 0>;
+ extcon-gpio,cable-names = <EXTCON_USB EXTCON_NONE>;
+};
Adding DT binding doc for extcon gpio device properties. Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com> --- changes in v2: - added description for extcon-gpio - using gpio flag cell to handle gpio active state - change dts property name gpio to gpios - removed prefix for debounce - added description for extcon-gpio,cable-names --- --- .../devicetree/bindings/extcon/extcon-gpio.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/extcon/extcon-gpio.txt