Merge branch 'master' of git://www.denx.de/git/u-boot-usb

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 8e19aebb9c9ff34baecedb5a0c94afe3a35e0e3e..a70475fb05f024e1b580317c0e8723ad4a574c73 100644 (file)
--- a/README
+++ b/README
@@ -1367,6 +1367,13 @@ The following options need to be configured:
                        for your device
                        - CONFIG_USBD_PRODUCTID 0xFFFF
 
                        for your device
                        - CONFIG_USBD_PRODUCTID 0xFFFF
 

+               Some USB device drivers may need to check USB cable attachment.
+               In this case you can enable following config in BoardName.h:
+                       CONFIG_USB_CABLE_CHECK
+                       This enables function definition:
+                       - usb_cable_connected() in include/usb.h
+                       Implementation of this function is board-specific.
+

 - 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
 - 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