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Diffstat (limited to 'Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt new file mode 100644 index 000000000..dfc14f71e --- /dev/null +++ b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt @@ -0,0 +1,21 @@ +USB GPIO Extcon device + +This is a virtual device used to generate USB cable states from the USB ID pin +connected to a GPIO pin. + +Required properties: +- compatible: Should be "linux,extcon-usb-gpio" + +Either one of id-gpio or vbus-gpio must be present. Both can be present as well. +- id-gpio: gpio for USB ID pin. See gpio binding. +- vbus-gpio: gpio for USB VBUS pin. + +Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below: + extcon_usb1 { + compatible = "linux,extcon-usb-gpio"; + id-gpio = <&gpio6 1 GPIO_ACTIVE_HIGH>; + } + + &omap_dwc3_1 { + extcon = <&extcon_usb1>; + }; |