On 06/17/2014 11:09 AM, Russell King - ARM Linux wrote:
Here's the most obvious question in the world on this topic. Are capes
hot-pluggable?
"capes" as in Beaglebone capes might not be due to the mechanical
constraints you listed.
"capes" as a concept of pluggable hardware might well be. here is a real
world example of commercially available pluggable hardware add-ons on a
Linux system back from 2008:
http://en.wikipedia.org/wiki/Archos_Generation_6#Accessories
depending on the add-on, different interfaces like GPIO, UART, USB, SPI
using the same pins were used and there was no reboot needed to load a
new hardware configuration or change the pinmux
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