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USB over-current issue

Hi.

we are using DVRRDK_03.50.xx we have a usb over-current issue.

in the some environment usb over-current can be able to occur.

when i some test, external VBUS Power Controller was shutdowned.

So I want to restart External VBUS Power Controller.

How can I control “USB_DRVBUS”?

i checked ti81xx.c , how can i do that?

below is my log

<log>

usb 2-1: new low speed USB device using musb-hdrc and address 2
usb 2-1: New USB device found, idVendor=093a, idProduct=2510
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 2-1: Product: USB OPTICAL MOUSE
usb 2-1: Manufacturer: PIXART
input: PIXART USB OPTICAL MOUSE as /devices/platform/omap/ti81xx-usbss/musb-hdrc.1/usb2/2-1/2-1:1.0/input/input0
generic-usb 0003:093A:2510.0001: input: USB HID v1.11 Mouse [PIXART USB OPTICAL MOUSE] on usb-musb-hdrc.1-1/input0

usb 2-1: USB disconnect, address 2
usb 2-1: new low speed USB device using musb-hdrc and address 3
usb 2-1: New USB device found, idVendor=093a, idProduct=2510
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 2-1: Product: USB OPTICAL MOUSE
usb 2-1: Manufacturer: PIXART
input: PIXART USB OPTICAL MOUSE as /devices/platform/omap/ti81xx-usbss/musb-hdrc.1/usb2/2-1/2-1:1.0/input/input1
generic-usb 0003:093A:2510.0002: input: USB HID v1.11 Mouse [PIXART USB OPTICAL MOUSE] on usb-musb-hdrc.1-1/input0
usb 2-1: USB disconnect, address 3
usb 2-1: new low speed USB device using musb-hdrc and address 4
usb 2-1: New USB device found, idVendor=093a, idProduct=2510
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 2-1: Product: USB OPTICAL MOUSE
usb 2-1: Manufacturer: PIXART
usb 2-1: can't set config #1, error -19
usb 2-1: USB disconnect, address 4
usb 2-1: new low speed USB device using musb-hdrc and address 5
usb 2-1: New USB device found, idVendor=093a, idProduct=2510
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 2-1: Product: USB OPTICAL MOUSE
usb 2-1: Manufacturer: PIXART
input: PIXART USB OPTICAL MOUSE as /devices/platform/omap/ti81xx-usbss/musb-hdrc.1/usb2/2-1/2-1:1.0/input/input2
generic-usb 0003:093A:2510.0003: input: USB HID v1.11 Mouse [PIXART USB OPTICAL MOUSE] on usb-musb-hdrc.1-1/input0
ti81xx_interrupt 960: CAUTION: musb1: Babble Interrupt Occured
ti81xx_interrupt 961: Please issue long reset to make usb functional !!
ti81xx_interrupt 1059: Babble: devtcl(90)Restarting musb....
evm_deferred_musb_restart 895: deferred musb restart musbid(1)
usb 2-1: USB disconnect, address 5
hub 1-0:1.0: over-current change on port 1
hub 2-0:1.0: over-current change on port 1

</log>

Best Regards.

  • Hello,

    Check the threads below, may be can help you:

    http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/717/t/149907.aspx

    http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/717/p/219479/795280.aspx

    Regards,

    Pavel