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Operation of USBA0_OTG_CE (C3 Ball) pin OMAP4460

Dinesh Guni1
Prodigy 165 points

HI,

We are using OMAP4460 in one of our custom board. We are planning to use USBA0_OTG_CE pin for external IC charge enable. But we could not able to locate the explanation of the USBA0_OTG_CE pin working in OMAP4460 TRM.  

Can you please help me to understand how to enable the USBA0_OTG_CE pin to High.

Thanks and Regards,

Dinesh Guni

  • 0
    TI__Genius 10965 points 
    Hi Dinesh,
     check the sdp4430_mux_data.h file
    specifically search the line for USBA0_OTG_CE ( if there is no entry for it, there is a patch depending on your kernel version for including it)
    {USBA0_OTG_CE, (PTD | OFF_EN | OFF_PD | OFF_OUT_PTD | M0)},	/* usba0_otg_ce */

    Regards,
    Boyko
  • 0 in reply to Boyko Kazakov
    Prodigy 165 points

    Hi Boyko,

    We checked the sdp4430_mux_data.h file for pinmuxing of USBA0_OTG_CE pin. The patch is already existing in the file, but still we are not able to see any activity on the pin. Is there anything we can try, to see activity on the pin USBA0_OTG_CE.

    Thanks and Regards,

    Dinesh Guni