From: Jernej Skrabec Date: Mon, 13 Apr 2020 06:24:32 +0000 (+0200) Subject: arm64: dts: allwinner: h6: orangepi: Disable OTG mode X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=27c9f2a0c5125727f0a9f7a19366d044b841e873;p=linux.git arm64: dts: allwinner: h6: orangepi: Disable OTG mode 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 Signed-off-by: Maxime Ripard --- diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi index f1be3dd558ca0..ebc120a9232f6 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 @@ }; &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"; };