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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/extcon/extcon-usbc-cros-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ChromeOS EC USB Type-C cable and accessories detection
+
+maintainers:
+ - Benson Leung <bleung@chromium.org>
+
+description: |
+ 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.
+
+properties:
+ compatible:
+ const: google,extcon-usbc-cros-ec
+
+ google,usb-port-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: the port id
+ minimum: 0
+ maximum: 255
+
+required:
+ - compatible
+ - google,usb-port-id
+
+additionalProperties: false
+
+examples:
+ - |
+ spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cros-ec@0 {
+ compatible = "google,cros-ec-spi";
+ reg = <0>;
+
+ usbc_extcon0: extcon0 {
+ compatible = "google,extcon-usbc-cros-ec";
+ google,usb-port-id = <0>;
+ };
+
+ usbc_extcon1: extcon1 {
+ compatible = "google,extcon-usbc-cros-ec";
+ google,usb-port-id = <1>;
+ };
+ };
+ };