| Message ID | 20200413062433.1145043-3-jernej.skrabec@siol.net |
|---|---|
| State | New |
| Headers | show |
| Series | [1/3] arm64: dts: allwinner: h6: orangepi: Add gpio power supply | expand |
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi index f1be3dd558ca..ebc120a9232f 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi @@ -251,7 +251,12 @@ &uart0 { }; &usb2otg { - dr_mode = "otg"; + /* + * OrangePi Lite 2 and One Plus, where this DT is used, don't + * have a controllable VBUS even though they do have an ID pin. + * Using it as anything but a USB host is unsafe. + */ + dr_mode = "host"; status = "okay"; };
As can be seen from OrangePi Lite 2 and One Plus schematics, VBUS pin on USB OTG port is directly connected to 5 V power supply. This mean that OTG port can safely operate only in host mode, even though these two boards have ID pin connected. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)