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From: Markus Niebel <list-09_linux_input@tqsc.de>
To: linux-input@vger.kernel.org
Subject: [RFC] edt-ft5x06 - cannot see IRQ Qfrom device after DT probe
Date: Tue, 15 Jul 2014 19:43:57 +0200	[thread overview]
Message-ID: <53C5685D.1090008@tqsc.de> (raw)

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

             reply	other threads:[~2014-07-15 17:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-15 17:43 Markus Niebel [this message]
2014-07-16 10:01 ` [RFC] edt-ft5x06 - cannot see IRQ Qfrom device after DT probe Simon Budig
2014-07-22 10:40   ` Markus Niebel
2014-07-22 13:47     ` Simon Budig

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