[meta-freescale] Incorrect GPIO value with Kernel 3.14.28

Yannick Calmettes yannick.calmettes at analogway.com
Wed May 20 05:59:39 PDT 2015


Dear Fabio,

I read the value through sysfs. In DTS file i have configured the GPIO 
with value 0x80000000 (no configuration normally)

Yannick
**
Le 20/05/2015 14:50, Fabio Estevam a écrit :
> On Wed, May 20, 2015 at 9:40 AM, Yannick Calmettes
> <yannick.calmettes at analogway.com> wrote:
>> Dear all,
>>
>> I'm currently use Kernel 3.14.28 with release BSP_3.14.28-1.0.1_patch (on a
>> IMx6 DualLite). When I read the value of a GPIO it give me the bus value
>> instead of the pin value.
>> For example when I read GPIO41 it returns me "0" or "512" (the pin is
>> toggled every seconds), 512 corresponds to the bit 9 (41 - 32) of the bus.
>> The GPIO value was correct with kernel 3.10.53.
> Are you setting the SION bit in the pad configuration?
>
> Regards,
>
> Fabio Estevam
>
>
>
>


 
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