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Subject[PATCHv3 0/2] Odroid c2 usb fixs
Date
This is follow up on my previous patches.
Changes rebase on mainline: 5.0-rc4

[0] https://lore.kernel.org/patchwork/patch/1031243/
[1] https://lore.kernel.org/patchwork/patch/1031243/

changes depend on phy patch

[2] https://patchwork.kernel.org/patch/10777359/

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
regulator use open bypass opmode voltage current min max
---------------------------------------------------------------------------------------
regulator-dummy 5 4 0 unknown 0mV 0mA 0mV 0mV
c9100000.usb 1 0mA 0mV 0mV
c9100000.usb 1 0mA 0mV 0mV
c9000000.usb 1 0mA 0mV 0mV
c9000000.usb 1 0mA 0mV 0mV
P5V0 1 1 0 unknown 5000mV 0mA 5000mV 5000mV
USB_OTG_PWR 4 2 0 unknown 5000mV 0mA 5000mV 5000mV
phy-c0000020.phy.1 2 0mA 0mV 0mV
phy-c0000000.phy.0 2 0mA 0mV 0mV

# 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 4, If 0, Class=Mass Storage, Driver=usb-storage, 480M
|__ Port 3: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 3: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 3: Dev 3, If 2, Class=Audio, Driver=, 480M
|__ Port 3: Dev 3, If 3, Class=Audio, Driver=, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M

Now hotpluing of usb device is working on odroid c2 boards.
TODO: need to initialize the otg usb port to accept usb device.

Any input are welcome

Best Regards
-Anand

Anand Moon (2):
ARM64: dts: meson-gxbb-odroidc2: Fix usb phy reset warning
ARM64: dts: meson-gxbb-odroidc2: Fix usb phy regulator power failed
warning

arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 10 ++++++++++
1 file changed, 10 insertions(+)

--
2.20.1

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