From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingoo Han Subject: Re: [PATCH RFC 1/4] phy: Add new Exynos5 USB 3.0 PHY driver Date: Wed, 06 Nov 2013 09:07:00 +0900 Message-ID: <000301ceda84$1d648bf0$582da3d0$%han@samsung.com> References: <1383205544-32244-1-git-send-email-gautam.vivek@samsung.com> <1383205544-32244-2-git-send-email-gautam.vivek@samsung.com> <527744B2.4090303@ti.com> <030d01ced946$d6e23490$84a69db0$%debski@samsung.com> <52779D28.9000905@ti.com> <00fe01ceda0a$941957a0$bc4c06e0$%debski@samsung.com> <000001ceda17$f41c2030$dc546090$%han@samsung.com> <000101ceda1f$04ca6f20$0e5f4d60$%han@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-reply-to: Content-language: ko Sender: linux-doc-owner@vger.kernel.org To: 'Vivek Gautam' Cc: 'Kamil Debski' , 'Kishon Vijay Abraham I' , 'Vivek Gautam' , 'Linux USB Mailing List' , 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, 'Greg KH' , 'Kukjin Kim' , 'Sylwester Nawrocki' , 'Tomasz Figa' , 'Felipe Balbi' , 'Julius Werner' , 'Jingoo Han' List-Id: devicetree@vger.kernel.org On Wednesday, November 06, 2013 2:58 AM, Vivek Gautam wrote: > On Tue, Nov 5, 2013 at 5:33 PM, Jingoo Han wrote: [.....] >> USB3.0 PHY consists of two blocks such as 3.0 block and 2.0 block. >> This USB3.0 PHY can support UTMI+ and PIPE3 interface for 3.0 block >> and 2.0 block, respectively. >> >> Conclusion: >> >> 1) USB2.0 PHY: USB2.0 HOST, USB2.0 Device >> Base address: 0x1213 0000 >> >> 2) USB3.0 PHY: USB3.0 DRD (3.0 HOST & 3.0 Device) >> Base address: 0x1210 0000 >> 2.0 block(UTMI+) & 3.0 block(PIPE3) > > And this is of course the PHY used by DWC3 controller, which works at > both High speed as well as Super Speed. > Right ? Right. While 3.0 block(PIPE3) can be used for Super Speed, 2.0 block(UTMI+) can be used for High speed. Best regards, Jingoo Han