Difference between revisions of "Rockpi4/dev/usb-host-and-otg-switch-on-rock-pi-4"
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In hardware, turn the OTG SWITCH to the <code>H</code> side. | In hardware, turn the OTG SWITCH to the <code>H</code> side. | ||
| − | To use adb, please install package rockchip-adbd. | + | To use adb, please install package rockchip-adbd. See [[Rockpi4/dev/adb | Using adb ]]. |
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==== Part two: For ROCK Pi 4C+ ==== | ==== Part two: For ROCK Pi 4C+ ==== | ||
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# echo otg > /sys/devices/platform/usb0/dwc3_mode | # echo otg > /sys/devices/platform/usb0/dwc3_mode | ||
| − | To use adb, please install package rockchip-adbd. | + | To use adb, please install package rockchip-adbd. See [[Rockpi4/dev/adb | Using adb ]]. |
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Revision as of 09:54, 8 June 2022
ROCK Pi 4 > Development > USB host and otg switch on ROCK Pi 4
Contents
Description
This guide describes about usb host and otg switch for the upper USB3.0 port on ROCK Pi 4.
Part one: For ROCK Pi 4A / 4A+ / 4B / 4B+ / 4C
Switch to host mode
In hardware, turn the OTG SWITCH to the L side.
Switch to otg mode
In hardware, turn the OTG SWITCH to the H side.
To use adb, please install package rockchip-adbd. See Using adb .
Part two: For ROCK Pi 4C+
Switch to host mode
Force host mode
# echo host > /sys/devices/platform/usb0/dwc3_mode
Switch to otg mode
Force otg mode
# echo otg > /sys/devices/platform/usb0/dwc3_mode
To use adb, please install package rockchip-adbd. See Using adb .