From: Kishon Vijay Abraham I <kishon@ti.com>
To: Peter Griffin <peter.griffin@linaro.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <srinivas.kandagatla@gmail.com>,
<maxime.coquelin@st.com>, <patrice.chotard@st.com>,
<lee.jones@linaro.org>, <devicetree@vger.kernel.org>
Subject: Re: [PATCH 0/3] Add picoPHY usb phy driver found on stih407 family SoC's
Date: Wed, 10 Sep 2014 14:08:36 +0530 [thread overview]
Message-ID: <54100E0C.7070309@ti.com> (raw)
In-Reply-To: <20140908155331.GA7620@griffinp-ThinkPad-X1-Carbon-2nd>
On Monday 08 September 2014 09:23 PM, Peter Griffin wrote:
> Hi Kishon,
>
>> On Wednesday 03 September 2014 03:57 PM, Peter Griffin wrote:
>>> This series adds support for the picoPHY usb phy which is used by the usb2
>>> and usb3 host controllers when controlling usb2/1.1 devices. It is found on
>>> stih407 family SoC's from the consumer electronics devision of STMicroelectronics.
>>
>> So miphy28lp is the PHY controller for USB3 device controller and picoPHY is
>> the PHY controller for USB3 host controller?
>
> No, miphy28lp is the usb3 phy and picoPHY is the usb2 phy.
>
> With a usb2 host controller only picoPHY is used. With the usb3 host controller both usb2 and usb3 phys
> are used depending on what type of device is plugged in.
>
> Hope that clarifies things,
indeed. thanks for the explanation :-)
Cheers
Kishon
prev parent reply other threads:[~2014-09-10 8:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-03 10:27 [PATCH 0/3] Add picoPHY usb phy driver found on stih407 family SoC's Peter Griffin
2014-09-03 10:27 ` [PATCH 1/3] phy: phy-stih407-usb: Add usb picoPHY driver found on stih407 SoC family Peter Griffin
2014-09-03 10:27 ` [PATCH 2/3] phy: phy-stih407-usb: Add dt documentation for USB picophy " Peter Griffin
2014-09-08 15:30 ` Kishon Vijay Abraham I
2014-09-09 7:34 ` Peter Griffin
2014-09-03 10:27 ` [PATCH 3/3] MAINTAINERS: Add phy-stih407-usb.c file to ARCH/STI architecture Peter Griffin
2014-09-08 15:23 ` [PATCH 0/3] Add picoPHY usb phy driver found on stih407 family SoC's Kishon Vijay Abraham I
2014-09-08 15:53 ` Peter Griffin
2014-09-10 8:38 ` Kishon Vijay Abraham I [this message]
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