GPIO Support on pcm043

Eric Bénard eric at
Fri May 20 09:14:46 EDT 2011

Hi Tim,

On 20/05/2011 14:07, Tim Sander wrote:
> I just tried (for i in `seq 0 96`)
> gpio_set_direction $i 1
> and
> gpio_set_direction $i 0
> on a barebox for pcm043 with gpio support compiled in.
> But no LED was lighting up.
> Is there some obvious error on my side or is there no gpio
> support for pcm043? At least there seems to be support for
> the gpio ports on imx?
> Any hints?

you first need to configure the mux of the pins to GPIO mode, then you can use 
them as gpio.


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