From: Tomasz Figa <t.figa@samsung.com>
To: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vivek Gautam <gautam.vivek@samsung.com>,
linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
gregkh@linuxfoundation.org, kgene.kim@samsung.com,
k.debski@samsung.com, s.nawrocki@samsung.com, balbi@ti.com,
jwerner@chromium.org, jg1.han@samsung.com
Subject: Re: [PATCH RFC 1/4] phy: Add new Exynos5 USB 3.0 PHY driver
Date: Mon, 04 Nov 2013 13:26:44 +0100 [thread overview]
Message-ID: <1539581.zprt32081v@amdc1227> (raw)
In-Reply-To: <527744B2.4090303@ti.com>
Hi Kishon,
On Monday 04 of November 2013 12:24:42 Kishon Vijay Abraham I wrote:
> Hi Vivek,
>
> On Thursday 31 October 2013 01:15 PM, Vivek Gautam wrote:
> > Add a new driver for the USB 3.0 PHY on Exynos5 series of SoCs.
> > The new driver uses the generic PHY framework and will interact
> > with DWC3 controller present on Exynos5 series of SoCs.
>
> In Exynos, you have a single IP that supports both USB3 and USB2 PHY
> right? I think that needs to be mentioned here.
Nope. There are two separate, different IPs.
> Do you have separate registers that should be used for
> initializing/powerin_on/powering_off etc.. for usb2 phy and usb3 phy? If
> so, then you should model this driver as a single driver that supports
> two PHYs similar to what Sylwester has done before?
Sylwester's MIPI PHY uses such model because it has a single register
that controls both PHYs.
Best regards,
Tomasz
next prev parent reply other threads:[~2013-11-04 12:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-31 7:45 [PATCH RFC 0/4] Add Exynos5 USB 3.0 phy driver based on generic PHY framework Vivek Gautam
2013-10-31 7:45 ` [PATCH RFC 1/4] phy: Add new Exynos5 USB 3.0 PHY driver Vivek Gautam
2013-11-04 6:54 ` Kishon Vijay Abraham I
2013-11-04 10:15 ` Kamil Debski
2013-11-04 13:12 ` Kishon Vijay Abraham I
2013-11-05 7:20 ` Vivek Gautam
2013-11-05 9:34 ` Tomasz Figa
2013-11-05 9:36 ` Kamil Debski
2013-11-05 11:12 ` Jingoo Han
2013-11-05 12:03 ` Jingoo Han
2013-11-05 17:58 ` Vivek Gautam
2013-11-06 0:07 ` Jingoo Han
2013-11-11 11:11 ` Kishon Vijay Abraham I
2013-11-20 8:57 ` Vivek Gautam
2013-11-20 9:04 ` Kishon Vijay Abraham I
2013-11-20 9:32 ` Vivek Gautam
2013-11-20 15:44 ` Kishon Vijay Abraham I
[not found] ` <528CD8EC.9050403-l0cyMroinI0@public.gmane.org>
2013-12-04 14:28 ` Kishon Vijay Abraham I
2013-12-05 8:14 ` Vivek Gautam
2013-12-24 17:45 ` Kishon Vijay Abraham I
2013-12-30 9:43 ` Vivek Gautam
2014-01-07 9:49 ` Kishon Vijay Abraham I
2014-01-07 11:03 ` Vivek Gautam
2014-01-20 13:45 ` Vivek Gautam
2013-11-05 17:56 ` Vivek Gautam
2013-11-04 12:26 ` Tomasz Figa [this message]
2013-11-04 13:09 ` Kishon Vijay Abraham I
[not found] ` <CAFp+6iG5SAe5h0-RRsBuAhtWO_NBW6G=7jQeObd4Y2BQGaRHyA@mail.gmail.com>
2013-11-05 7:12 ` Vivek Gautam
2013-11-10 14:08 ` Tomasz Figa
2013-11-20 8:44 ` Vivek Gautam
2013-11-20 8:55 ` Vivek Gautam
2013-11-21 12:26 ` Yuvaraj Cd
2013-10-31 7:45 ` [PATCH 2/4] dt: exynos5250: Enable support for generic USB 3.0 phy Vivek Gautam
2013-11-10 14:54 ` Tomasz Figa
2013-10-31 7:45 ` [PATCH 3/4] dt: exynos5420: Enable support for USB 3.0 PHY controller Vivek Gautam
2013-10-31 7:45 ` [PATCH 4/4] dt: exynos5420: Enable support for DWC3 controller Vivek Gautam
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