On Mon, 8 Mar 2010, Joel Morgan wrote:
>>> I am currently using the TS7260 USB port to power on my slave
>>> device(radio card). I will very like to the power off the USB when I am
>>> not talking to the slave device. After messing with Jim Jackson's cctl
>>> command line program, I couldnt quite get that to work, this is what I
>>> did:
>>>
>>> $cctl -w USB=off
>>> USB=off
>>>
>>> I still see USB port supply power to the slave device......
>>
>> That only turns off the USB sub-system on the cpu chip, saving you a bit of
>> power consumption. I believe TS provide programmable control of the
>> 5V USB power on the TS7260, so it should be possible. However I don't have
>> a TS7260, so didn't add that to cctl.
>>
>> If someone lets me know the bit details, I could add it to cctl, but would
>> need someone with a ts7260 to do testing for me.
>
> power management register: 0x1200_0000
> USB 5V power: bit 1
Joel, can you give me the name of the TS doc that this is in please?
I thought it might be in the ts7260 user manual but I couldn't see
anything. It was late last night so I might have just missed it.
Jim
p.s. is that counting from 0 or 1? i.e. is it 0x01 or 0x02
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