From mboxrd@z Thu Jan 1 00:00:00 1970 From: Igor Grinberg Date: Wed, 14 Dec 2011 07:51:17 +0200 Subject: [U-Boot] [PATCH 4/4] README: add documentation for CONFIG_USB_ULPI* In-Reply-To: References: <1323684515-1918-1-git-send-email-grinberg@compulab.co.il> <1323684515-1918-5-git-send-email-grinberg@compulab.co.il> Message-ID: <4EE83955.2010308@compulab.co.il> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Simon, On 12/14/11 02:28, Simon Glass wrote: > Hi Igor, > > On Mon, Dec 12, 2011 at 2:08 AM, Igor Grinberg wrote: >> Add documentation for CONFIG_USB_ULPI and CONFIG_USB_ULPI_VIEWPORT >> configuration options. >> >> Signed-off-by: Igor Grinberg >> --- >> README | 8 ++++++++ >> 1 files changed, 8 insertions(+), 0 deletions(-) >> >> diff --git a/README b/README >> index ff72e47..6fe1e0f 100644 >> --- a/README >> +++ b/README >> @@ -1185,6 +1185,14 @@ The following options need to be configured: >> for your device >> - CONFIG_USBD_PRODUCTID 0xFFFF >> >> +- ULPI Layer Support: >> + The ULPI (UTMI Low Pin (count) Interface) PHYs are supported via >> + the generic ULPI layer. The generic layer accesses the ULPI PHY >> + via the platform viewport, so you need both the genric layer and >> + the viewport enabled. Currently only Chipidea/ARC based >> + viewport is supported. > > Where does it say that only this one is supported in the code? You mean comments or the code? > What is specific to that device? The viewport bits? It is not a part of the ULPI spec. Other vendors do not have to comply with those. For example PXA310 has those bits placed and named in some other way... > > Regards, > Simon > >> + To enable the ULPI layer support, define CONFIG_USB_ULPI and >> + CONFIG_USB_ULPI_VIEWPORT in your board configuration file. >> >> - MMC Support: >> The MMC controller on the Intel PXA is supported. To >> -- >> 1.7.3.4 >> > -- Regards, Igor.