Something like pio -m 'PB9<1><2><1><1>' ought to enable the 5v rail for
that port, possibly solving your issues.

You'll need to get 'pio' source from
https://github.com/linux-sunxi/sunxi-tools/blob/master/pio.c and compile it.


On Sat, Jan 25, 2014 at 7:40 AM, SK <[email protected]> wrote:

>
>
> perjantai, 24. tammikuuta 2014 18.30.06 UTC+2 Ian Daniher kirjoitti:
>
>> Depending upon your kernel and hardware, you may need to configure the
>> port as host-only?
>>
>> > usb_port_type = 1
>> > usb_host_init_state = 1
>>
>> On my A20 board with a similar basic configuration, I have to manually
>> enable the pin used for usb_drv_vbus_gpio to enable the 5v rail.
>>
>
> Not work with host-only configuration.
> Nor with powered usb hub.
>
> How can i enable this usb_drv_vbus_gpio pin?
>
> Regards
> Seppo
>
>>
>>
>> On Fri, Jan 24, 2014 at 5:55 AM, SK <[email protected]> wrote:
>>
>>>
>>>
>>> perjantai, 24. tammikuuta 2014 12.18.52 UTC+2 Olliver Schinagl
>>> kirjoitti:
>>>
>>>> On 24-01-14 10:18, SK wrote:
>>>>
>>>>
>>>> >     Few days ago i finally got my MID S906 booting to Fedora 19r1
>>>> >     But usb not seem to activated. (no power to keyboard or mouse)
>>>> >
>>>> >
>>>> >    I get access to Fedora initial setup screen but not able to use
>>>> > keyboard or mouse.
>>>> >
>>>> >     Does it need some sort of script to activate usb after booting?
>>>> >     Or powered usb hub?
>>>> Depends, but generally, no; it should just work; double check your
>>>> script.bin's usb0 settings, make sure it's powered.  A powered USB hub
>>>> helps generally here.
>>>>
>>>> My tablet script.bin usb section:
>>>
>>> [usbc0]
>>> usb_used = 1
>>> usb_port_type = 2
>>> usb_detect_type = 1
>>> usb_id_gpio = port:PH04<0><1><default><default>
>>> usb_det_vbus_gpio = "axp_ctrl"
>>> usb_drv_vbus_gpio = port:PB09<1><0><default><0>
>>> usb_ac_enable_gpio = port:PH05<1><0><default><0>
>>> usb_restrict_gpio = 0
>>> usb_host_init_state = 0
>>> usb_restric_flag = 0
>>> usb_restric_voltage = 3550000
>>> usb_restric_capacity = 5
>>>
>>>
>>>   --
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