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Diffstat (limited to 'dts/Bindings/extcon/extcon-usbc-cros-ec.yaml')
| -rw-r--r-- | dts/Bindings/extcon/extcon-usbc-cros-ec.yaml | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/dts/Bindings/extcon/extcon-usbc-cros-ec.yaml b/dts/Bindings/extcon/extcon-usbc-cros-ec.yaml new file mode 100644 index 0000000000..9c5849b341 --- /dev/null +++ b/dts/Bindings/extcon/extcon-usbc-cros-ec.yaml @@ -0,0 +1,56 @@ +# 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> + - Enric Balletbo i Serra <enric.balletbo@collabora.com> + +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: + allOf: + - $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>; + }; + }; + }; |