1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/extcon/extcon-usbc-cros-ec.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: ChromeOS EC USB Type-C cable and accessories detection 8 9maintainers: 10 - Benson Leung <bleung@chromium.org> 11 12description: | 13 On ChromeOS systems with USB Type C ports, the ChromeOS Embedded Controller is 14 able to detect the state of external accessories such as display adapters 15 or USB devices when said accessories are attached or detached. 16 The node for this device must be under a cros-ec node like google,cros-ec-spi 17 or google,cros-ec-i2c. 18 19properties: 20 compatible: 21 const: google,extcon-usbc-cros-ec 22 23 google,usb-port-id: 24 $ref: /schemas/types.yaml#/definitions/uint32 25 description: the port id 26 minimum: 0 27 maximum: 255 28 29required: 30 - compatible 31 - google,usb-port-id 32 33additionalProperties: false 34 35examples: 36 - | 37 spi0 { 38 #address-cells = <1>; 39 #size-cells = <0>; 40 cros-ec@0 { 41 compatible = "google,cros-ec-spi"; 42 reg = <0>; 43 44 usbc_extcon0: extcon0 { 45 compatible = "google,extcon-usbc-cros-ec"; 46 google,usb-port-id = <0>; 47 }; 48 49 usbc_extcon1: extcon1 { 50 compatible = "google,extcon-usbc-cros-ec"; 51 google,usb-port-id = <1>; 52 }; 53 }; 54 }; 55