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BeagleBoard Xm OTG ti-sdk-beagleboard-06.00.00.00

dibin moolakadan1
Expert 1180 points
Other Parts Discussed in Thread: TPS65950

Hi ,

I am working on OTG on beagleboard xm based custom board running sdk 06 version.

I want to use the vbus of OTG from a external supply to over come the internal vbus 100mA current limit,

As per http://e2e.ti.com/support/power_management/pmu/f/43/p/685/1284857.aspx#1284857   this link I need to disable the charge pump for that configuring OTG_CTRL . 

I belive it cane be done from  /board-support/linux-3.3.7/drivers/usb/otg/twl4030-usb.c using twl_i2c_write_u8

function .But so far it is not working !!!

can any one point me how to make the charge pump disable in ez sdk, .

ANy help is greatly appreciated.

Regards,

Dibin