GPIO issue about IMX_GPIO_NR

[tony_l_cai]

Hi，All

     I have known about the IMX_GPIO_NR is a function which can compute the GPIO addr. But how to make the result correspond to GPIO's addr? Just a number,I dont know how to map the GPIO register addr and which register addr? Help me ,3Q!

[igorpadykov]

Hi tony

you can look at attached file with IMX_GPIO_NR definition

arch/arm,/plat-mxc/include/mach/gpio.h

and try to calculate reverse function.

Best regards

igor

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