切换到 Device 模式
cat /sys/devices/platform/soc/usbc0/usb_device
切换到 Host 模式
cat /sys/devices/platform/soc/usbc0/usb_host
切换到 Device 模式
cat /sys/devices/platform/soc@3000000/soc@3000000:usbc0@0/usb_device
切换到 Host 模式
cat /sys/devices/platform/soc@3000000/soc@3000000:usbc0@0/usb_host
&usbc0 {
device_type = "usbc0";
usb_port_type = <0x0>;
usb_detect_type = <0x0>;
usb_detect_mode = <0x0>;
usb_id_gpio;
usb_det_vbus_gpio;
/* det_vbus_supply = <&usb_power_supply>; */
usb_regulator_io = "nocare";
usb_wakeup_suspend = <0>;
usb_serial_unique = <0>;
usb_serial_number = "20080411";
status = "okay";
};
usb_port_type
配置为0是Device模式,1是Host模式 2是OTG模式。usb_id_gpio
配置对应的USB ID引脚(TinyVision 无ID引脚)。usb_det_vbus_gpio
,(TinyVision 无检测引脚) 需要根据实际情况进行配置: