The USB VBUS supply for the type-A port is enabled via a GPIO regulator. This is incorrectly modelled in Linux where only the PCIe dependency is expressed. Add a U-Boot specific dtsi snippet so that this supply will get enabled when initialising USB.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- arch/arm/dts/sdm845-db845c-u-boot.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/dts/sdm845-db845c-u-boot.dtsi b/arch/arm/dts/sdm845-db845c-u-boot.dtsi new file mode 100644 index 000000000000..3c83e21251c4 --- /dev/null +++ b/arch/arm/dts/sdm845-db845c-u-boot.dtsi @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* This GPIO must be turned on to enable the 5v VBUS + * supply on the USB port. + */ +&usb_2_dwc3 { + vbus-supply = <&pcie0_3p3v_dual>; +};