On 2017년 02월 21일 00:18, Enric Balletbo i Serra wrote: > From: Benson Leung <[email protected]> > > This patch add documentation for binding of USB Type C cable detection > mechanism is using EXTCON subsystem. The device can detect the presence > of display out but it may also detect other external accessories when > external accessories is attached or detached. > > Signed-off-by: Benson Leung <[email protected]> > Signed-off-by: Enric Balletbo i Serra <[email protected]> > --- > .../devicetree/bindings/extcon/extcon-cros-ec.txt | 24 > ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/extcon/extcon-cros-ec.txt > > diff --git a/Documentation/devicetree/bindings/extcon/extcon-cros-ec.txt > b/Documentation/devicetree/bindings/extcon/extcon-cros-ec.txt > new file mode 100644 > index 0000000..3576869 > --- /dev/null > +++ b/Documentation/devicetree/bindings/extcon/extcon-cros-ec.txt > @@ -0,0 +1,24 @@ > +ChromeOS EC Type-C Extcon device > + > +On ChromeOS systems with USB Type C ports, the ChromeOS Embedded Controller > is > +able to detect the state of external accessories such as display adapters > +or USB devices when said accessories are attached or detached. > + > +The node for this device must be under a cros-ec node like google,cros-ec-spi > +or google,cros-ec-i2c. > + > +Required properties: > +- compatible: Should be "google,extcon-cros-ec". > +- google,usb-port-id: Specifies the USB port ID to use. > + > +Example: > + cros-ec@0 { > + compatible = "google,cros-ec-i2c"; > + > + ... > + > + extcon { > + compatible = "google,extcon-cros-ec"; > + google,usb-port-id = <0>; > + }; > + } >
Looks good to me. Reviewed-by: Chanwoo Choi <[email protected]> -- Best Regards, Chanwoo Choi Samsung Electronics
