[RFC] edt-ft5x06 - cannot see IRQ Qfrom device after DT probe

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Hallo,

working with said tochcontroller we found that the IRQ is not seen in the following scenario:

- bootloader uses pin as an output for some reason 
- pin is configured as GPIO and as INT source via device tree
- driver loads correctly and communicates over I2C
- IRQs not seen by CPU becaus pin is still configured as output

- when adding an int-gpios node to devicetree and parsing this gpio the gpio will be configured as input
- IRQ can be seen by CPU

Question:

- shall we add an int-gpio property to enable gpio pin config as input or

Regards

Markus Niebel
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