Messages in this thread Patch in this message | | | From | Enric Balletbo i Serra <> | Subject | [PATCH 2/2] dt-bindings: extcon: Add support for cros-ec device | Date | Mon, 20 Feb 2017 16:18:54 +0100 |
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From: Benson Leung <bleung@chromium.org>
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 <bleung@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> --- .../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>; + }; + } -- 2.9.3
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