Hi, I'm new to zynq processor and I tried to search this around but have not get a working solution..
I am playing with Arty Z7 20 which has a zynq and I'm able to build petalinux and connect through UART (which is provided by Digilent not me).
I'm able to see some AXI GPIO for LED/switches in /proc/device-tree but I'm not able to see them mentioned in dmesg nor /sys/class/gpio.
I do see part of them in /dev/uioX but when I tried to fread them it does not quite make sense.. Though the address info from /sys/class/uio/uioX/map/map0/addr seems legit..
Is there a straightforward guideline regarding how I should use these gpio/uios?
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Chrish
Hi, I'm new to zynq processor and I tried to search this around but have not get a working solution..
I am playing with Arty Z7 20 which has a zynq and I'm able to build petalinux and connect through UART (which is provided by Digilent not me).
I'm able to see some AXI GPIO for LED/switches in /proc/device-tree but I'm not able to see them mentioned in dmesg nor /sys/class/gpio.
I do see part of them in /dev/uioX but when I tried to fread them it does not quite make sense.. Though the address info from /sys/class/uio/uioX/map/map0/addr seems legit..
Is there a straightforward guideline regarding how I should use these gpio/uios?
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