issues about i.mx6sl GPIO

[tony_l_cai]

Hi all，

     Now,I use our customize board. and How to judge whethe the dts(i) is used ? If it was used, what is the path?

     and in uboot & kernel, whethe it has some APIs is used to implement the GPIO interrupt function? If so, how to use them?

3q~

[igorpadykov · Accepted solution]

Hi tony

path is ..arch/arm/boot/dts/*

also please look at documentation and other useful links below

Documentation/devicetree/bindings/gpio/gpio.txt

https://community.freescale.com/thread/317876

http://blog.skerpa.com/dschnell/blog/2013/10/27/linux-and-gpio-userspace-interrupts/

Working with GPIO on the Wandboard and Writing an Android Driver for GPIO Interrupts | Using Android...

Best regards

igor

-----------------------------------------------------------------------------------------------------------------------

Note: If this post answers your question, please click the Correct Answer button. Thank you!

-----------------------------------------------------------------------------------------------------------------------

[tony_l_cai]

if this path is not exist,it means this codebase didn't use the dts, right?

[igorpadykov]

right.