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From: Felipe Balbi <balbi@ti.com>
To: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com>
Cc: Peter Chen <peter.chen@freescale.com>,
	"balbi@ti.com" <balbi@ti.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Greg Kroah-Hartman (gregkh@linuxfoundation.org)" 
	<gregkh@linuxfoundation.org>, "kishon@ti.com" <kishon@ti.com>,
	Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Subject: Re: Chipidea ULPI driver
Date: Thu, 10 Sep 2015 09:43:49 -0500	[thread overview]
Message-ID: <20150910144349.GH8982@saruman.tx.rr.com> (raw)
In-Reply-To: <F1B223389110CE49B4CF055ABA2E5D3D78C7EB88@XAP-PVEXMBX02.xlnx.xilinx.com>

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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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       reply	other threads:[~2015-09-10 14:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <F1B223389110CE49B4CF055ABA2E5D3D78C7EB88@XAP-PVEXMBX02.xlnx.xilinx.com>
2015-09-10 14:43 ` Felipe Balbi [this message]
2015-09-10 14:57   ` Chipidea ULPI driver Punnaiah Choudary Kalluri
2015-09-10 15:11     ` Felipe Balbi
2015-09-11  1:22     ` Peter Chen
2015-09-11 11:34       ` Subbaraya Sundeep Bhatta
2015-09-14  5:17         ` Peter Chen
2015-09-11 16:08       ` Subbaraya Sundeep Bhatta

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