Name: Nvidia JETSON NANO
Brand: Nvidia
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Platform Adaptation and Bring-Up

Jetson Nano Platform Adaptation and Bring-Up Guide DA_09361-002 | 21

This is the table of GPIO states on J28 and their corresponding output cable states:

GPIO_PCC4

(VBUS_DETECT) EXTCON_STATE

1 0x0 (EXCON_NONE)

0 0x1 (EXTCON_USB)

This is the extcon device node and property list based on the device tree structure

described above and the table of GPIO states and corresponding output cable states for

GPIO_PCC4, customized for Jetson Nano, where the ID pin is floating the port is fixed in

the device role:

vbus_id_gpio_extcon: usb_otg {

compatible = "extcon-gpio-states";

extcon-gpio,name = "VBUS";

extcon-gpio,wait-for-gpio-scan = <0>;

extcon-gpio,cable-states = <0x0 0x1

0x1 0x0>;

gpios = <&gpio TEGRA_GPIO(CC, 4) 0>;

extcon-gpio,out-cable-names =

<EXTCON_USB EXTCON_USB_HOST EXTCON_NONE>;

#extcon-cells = <1>;

};

Note:

Check the pinmux table for the GPIO that corresponds to the ID pin and

VBUS_DETECT pin.

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