Hi Vince
Thanks for the suggestion. Issue was solved long ago but I didn't update the
post. But you are right with the use of inductors and you also need to change
the mode selection to out the port into host mode.
Kind Regards
Marc
Sent from my iPhone
> On 9 Sep 2014, at 14:09, vincent.grenne...@gmail.com wrote:
>
> Thanks Marc, these few lines are very useful since I need 2 USB hosts and
> don't want to add a USB hub. About the supply, maybe adding inductor filters
> like on USB1 schematic would be better.
>
> Vince.
>
> Le jeudi 17 avril 2014 12:01:27 UTC+2, marc...@gmail.com a écrit :
>>
>> Hello
>> I have finally managed to get my hands on an BBB and started to try and get
>> my system up and running the way I need by building a kernel (3.14.1).
>>
>> I am attempting to use the USB client port (USB0) in host mode and think I
>> have done all the things necessary to get this working:
>>
>> Kernel config has EHCI enabled and set to host only
>> Hardware mod on the board to short pins 4&5 of micro socket to force USB-ID
>> low to indicate host mode.
>> Changed the arch/arm/boot/dts/am335x-bone-common.dtsi file to put it into
>> host mode
>> u...@47401000 {
>> status = "okay";
>> dr_mode = "host";
>> };
>> u...@47401800 {
>> status = "okay";
>> dr_mode = "host";
>> };
>>
>> No matter what I plug in nothing gets identified ???
>>
>> Plugging into the USB1 host port is fine so the kernel is configured
>> correctly.
>>
>>
>> Boot log shows ports being identified:
>> [ 2.057294] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
>> [ 2.063996] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned
>> bus number 1
>> [ 2.072673] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>> [ 2.079868] usb usb1: New USB device strings: Mfr=3, Product=2,
>> SerialNumber=1
>> [ 2.087467] usb usb1: Product: MUSB HDRC host driver
>> [ 2.092722] usb usb1: Manufacturer: Linux 3.14.1 musb-hcd
>> [ 2.098402] usb usb1: SerialNumber: musb-hdrc.0.auto
>> [ 2.104856] hub 1-0:1.0: USB hub found
>> [ 2.108880] hub 1-0:1.0: 1 port detected
>> [ 2.117574] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
>> [ 2.124275] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned
>> bus number 2
>> [ 2.133045] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
>> [ 2.140253] usb usb2: New USB device strings: Mfr=3, Product=2,
>> SerialNumber=1
>> [ 2.147851] usb usb2: Product: MUSB HDRC host driver
>> [ 2.153105] usb usb2: Manufacturer: Linux 3.14.1 musb-hcd
>> [ 2.158786] usb usb2: SerialNumber: musb-hdrc.1.auto
>> [ 2.165268] hub 2-0:1.0: USB hub found
>> [ 2.169312] hub 2-0:1.0: 1 port detected
>>
>> Any ideas ???
>>
>> Thanks
>> marc
>>
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