pico-imx7d: README: Recommend the usage of a USB hub

[oweals/u-boot.git] / board / technexion / pico-imx7d / README

diff --git a/board/technexion/pico-imx7d/README b/board/technexion/pico-imx7d/README
index 24eb97e82cc79c708fcf3a6e93acb617d8f3b183..f21d8301cbef6b01fa2eb1d83cb4f2d45fc34457 100644 (file)
--- a/board/technexion/pico-imx7d/README
+++ b/board/technexion/pico-imx7d/README
@@ -26,6 +26,10 @@ Connect a USB to serial adapter between the host PC and pico.
 
 Connect a USB cable between the OTG pico port and the host PC.
 
+Note: Some computers may be a bit strict with USB current draw and will
+shut down their ports if the draw is too high. The solution for that is
+to use an externally powered USB hub between the board and the host computer.
+
 Open a terminal program such as minicom.
 
 Copy SPL and u-boot.img to the imx_usb_loader folder.