This is follow up on my previous patches. [0] https://lore.kernel.org/patchwork/patch/1031616/ [1] https://lore.kernel.org/patchwork/patch/1031617/ As per Martin's suggestion and input I have tried to fix below issue. Fixed the phy power issue on the usb port. # cat /sys/kernel/debug/regulator/regulator_summary USB_VBUS 4 2 0 unknown 5000mV 0mA 5000mV 5000mV phy-c1108820.phy.1 2 0mA 0mV 0mV phy-c1108800.phy.0 2 0mA 0mV 0mV Fixed the OTG phy warning and initilizaion of usb0_phy # lsusb -t /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 1: Dev 5, If 0, Class=Mass Storage, Driver=usb-storage, 480M |__ Port 2: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 480M |__ Port 3: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M |__ Port 3: Dev 4, If 2, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 3: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M |__ Port 3: Dev 4, If 3, Class=Audio, Driver=snd-usb-audio, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M Now hotpluing of usb device is working on odroid c1+ boards. TODO: need to initialize the otg usb port to accept usb device. Any input are welcome Best Regards -Anand Anand Moon (3): phy: meson8b-usb2: Enable otg phy controller on Meson8b SoCs ARM: dts: meson8b: odroidc1: fix USB power supplies for phy ARM: dts: meson8b: odroidc1: enable the OTG capable USB controller arch/arm/boot/dts/meson8b-odroidc1.dts | 27 ++++++++++++++++++++++++++ drivers/phy/amlogic/phy-meson8b-usb2.c | 15 ++++++++++++++ 2 files changed, 42 insertions(+) -- 2.20.1
