mx51: Fix USB PHY clocks

[u-boot] / README

diff --git a/README b/README
index dd250a0fa8071f96393ef23a5cfa536d541c46b5..9804cea91447ec52e76e90289c8cfe05586dc4ee 100644 (file)
--- a/README
+++ b/README
@@ -1268,6 +1268,9 @@ The following options need to be configured:
                viewport is supported.
                To enable the ULPI layer support, define CONFIG_USB_ULPI and
                CONFIG_USB_ULPI_VIEWPORT in your board configuration file.
+               If your ULPI phy needs a different reference clock than the
+               standard 24 MHz then you have to define CONFIG_ULPI_REF_CLK to
+               the appropriate value in Hz.
 
 - MMC Support:
                The MMC controller on the Intel PXA is supported. To