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authorPrzemyslaw Marczak <p.marczak@samsung.com>2013-10-23 14:30:46 +0200
committerMarek Vasut <marex@denx.de>2013-11-08 20:46:19 +0100
commit351e9b206934c2d4a6a0acd1547caf077e4e675c (patch)
tree6914a94379d73081a2f61f35e7d9d865ced5f5a5 /README
parent4b19ed6c765eb7f8a8873ab05db5c2dfca7f554a (diff)
usb: ums: add ums exit feature by ctrl+c or by detach usb cable
This patch allows exiting from UMS mode to u-boot prompt by detaching usb cable or by pressing ctrl+c. Add new config: CONFIG_USB_CABLE_CHECK. If defined then board file should provide function: usb_cable_connected() (include/usb.h) that return 1 if cable is connected and 0 otherwise. Changes v2: - add a note to the README Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Marek Vasut <marex@denx.de>
Diffstat (limited to 'README')
-rw-r--r--README7
1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index 91c3ac0fa7..b0c2fdc73d 100644
--- a/README
+++ b/README
@@ -1367,6 +1367,13 @@ The following options need to be configured:
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