1ChromeOS EC USB Type-C cable and accessories detection 2 3On ChromeOS systems with USB Type C ports, the ChromeOS Embedded Controller is 4able to detect the state of external accessories such as display adapters 5or USB devices when said accessories are attached or detached. 6 7The node for this device must be under a cros-ec node like google,cros-ec-spi 8or google,cros-ec-i2c. 9 10Required properties: 11- compatible: Should be "google,extcon-usbc-cros-ec". 12- google,usb-port-id: Specifies the USB port ID to use. 13 14Example: 15 cros-ec@0 { 16 compatible = "google,cros-ec-i2c"; 17 18 ... 19 20 extcon { 21 compatible = "google,extcon-usbc-cros-ec"; 22 google,usb-port-id = <0>; 23 }; 24 } 25