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Re: Chipidea ULPI driver

From Felipe Balbi <balbi@ti.com>
Newsgroups linux.kernel
Subject Re: Chipidea ULPI driver
Date 2015-09-10 16:50 +0200
Message-ID <q7bkK-4qP-19@gated-at.bofh.it> (permalink)
References <q7bkK-4qP-21@gated-at.bofh.it>
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On Thu, Sep 10, 2015 at 12:44:58PM +0000, Subbaraya Sundeep Bhatta wrote:
> Hi Peter,
> 
> We are using NOP transceiver driver for USB3320 ULPI PHY with ChipIdea
> controller.
> 
> Recently we found that one of the boards (zedboard) requires PHY
> register access to set VBUS.
> 
> Note that our local driver we had before migrating to ChipIdea driver
> calls otg_ulpi_create with flags  ULPI_OTG_DRVVBUS |
> ULPI_OTG_DRVVBUS_EXT so that VBUS is enabled at initialization.
> 
> Can you please let me know how to do this with ChipIdea case? I see
> the following solutions:
> 
> 1. Write ULPI driver for USB3320 similar to tusb1210.

this

> 2. Write ci_hdrc_zynq.c which does PHY access required for Zynq.

not this

-- 
balbi

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Re: Chipidea ULPI driver Felipe Balbi <balbi@ti.com> - 2015-09-10 16:50 +0200
  Re: Chipidea ULPI driver Felipe Balbi <balbi@ti.com> - 2015-09-10 17:20 +0200

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