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[linux-usb-devel] USB Transceiver & USB Gadget driver doubts

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From: Midhun A <midhunagni@...>
To: <linux-usb-devel@...>
Subject: [linux-usb-devel] USB Transceiver &amp; USB Gadget driver doubts
Date: Thursday, December 20, 2007 - 5:49 am

Hi All,

    I have started to write the gadget driver for i.MX21 (CSB535FS
Board). I am writing it based on the OMAP driver present in the
mainline kernel. I have the following doubts:

1. I configured the OTG of i.MX21 as a function only (and not as OTG).
On the hardware side, I dont have an OTG transceiver (I think it comes
with I2C control) but rather the normal USB tranceiver (Fairchild -
USB1T11A). Is this fine?

2. In the driver, I have just implemented the probe of UDC as of now.
I see a method for pullup disable in the OMAP driver. What is this
for? Where is this pull up used? Is this specific for OMAP?

Thanks,
Midhun.

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Messages in current thread:
[linux-usb-devel] USB Transceiver & USB Gadget driver doubts, Midhun A, (Thu Dec 20, 5:49 am)
Re: [linux-usb-devel] USB Transceiver &amp; USB Gadget drive..., David Brownell, (Mon Jan 7, 4:10 pm)