[microblaze-uclinux] Touchscreen device

[pcolodron@xxxxxxxx]

Hi all,

I have successfully ported a petalinux system in my XtremeDSP video  
starter kit board. Mi next goal is to have a touchscreen in my system.

I have successfully used Xilinxfb driver to control the framebuffer so  
the 'graphical' part is solved, I can see printk messages in my LCD  
monitor.

My doubts are in the touch interface part. I have a Penmount touch  
device which is connected to a RS232 port of my board which is 'ttyS1'  
device(I have 2 RS232 ports). In 'Menuconfig', I activated the options  
'Touchscreen Interface' and 'Penmount serial touchscreen'. What I have  
now in my system is:

    # ls sys/bus/serio/drivers/
      atkbd        penmountlpc  psmouse      serio_raw
    # cat proc/bus/input/handlers
      N: Number=0 Name=kbd
      N: Number=1 Name=evdev Minor=64
      N: Number=2 Name=tsdev Minor=128

But nothing appears if I do 'ls sys/bus/serio/devices'.

I don't know how to assing a device for my touchscreen. I think that  
the goal is that the driver receives the data from 'ttyS1' device but  
I don't know how to do this because I don't know too much about drivers.

Please, any help will be very appreciated.

Thank you very much in advance.

Kind regards,

Pablo Colodron

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