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author | Igor Grinberg <grinberg@compulab.co.il> | 2011-12-12 12:08:35 +0200 |
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committer | Remy Bohmer <linux@bohmer.net> | 2011-12-16 21:37:16 +0100 |
commit | d70a560fd77b8a357257c7baa0a24b326c097bc3 (patch) | |
tree | f0a0457bbda7b9a07c7b2e343af817b171ae5c92 | |
parent | cf9f95f29390c2cdce80bab86d24b002c8d08f58 (diff) | |
download | u-boot-d70a560fd77b8a357257c7baa0a24b326c097bc3.tar.gz u-boot-d70a560fd77b8a357257c7baa0a24b326c097bc3.tar.bz2 u-boot-d70a560fd77b8a357257c7baa0a24b326c097bc3.zip |
README: add documentation for CONFIG_USB_ULPI*
Add documentation for CONFIG_USB_ULPI and CONFIG_USB_ULPI_VIEWPORT
configuration options.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
-rw-r--r-- | README | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -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. + 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 |