On Fri, Aug 10, 2018 at 1:43 AM Anuj Malviya <anuj.malv...@gmail.com> wrote:
> Hello Friends
> I am using following image.
> bone-debian-9.3-iot-armhf-2018-03-05-4gb.img
> I need to enable UART2 for my project for that I enable BB-UART2-00A0.dtbo 
> via uEnvt.txt.
> After this I ma facing gpio issues.
> Before applying the overlay.
> ls /sys/class/gpio
> export   gpio112  gpio117  gpio2   gpio27  gpio44  gpio49  gpio61  gpio69  
> gpio73  gpio78  gpio86  gpiochip0
> gpio10   gpio113  gpio12   gpio20  gpio3   gpio45  gpio5   gpio65  gpio7   
> gpio74  gpio79  gpio87  gpiochip32
> gpio11   gpio114  gpio13   gpio22  gpio30  gpio46  gpio50  gpio66  gpio70  
> gpio75  gpio8   gpio88  gpiochip64
> gpio110  gpio115  gpio14   gpio23  gpio31  gpio47  gpio51  gpio67  gpio71  
> gpio76  gpio80  gpio89  gpiochip96
> gpio111  gpio116  gpio15   gpio26  gpio4   gpio48  gpio60  gpio68  gpio72  
> gpio77  gpio81  gpio9   unexport
> After i apply the overlay BB-UART2-00A0.dtbo
> ls /sys/class/gpio
> export  gpio12  gpio13  gpiochip0  gpiochip32  gpiochip64  gpiochip96  
> unexport
> Attached is the uEnv.txt file.
> When i go through the BB-UART2-00A0.dtsi files it is enabling only 2 pins, 
> not sure what is the issue here.

Yes, that's a pretty new feature, which requires v4.14.x-ti and an
updated bbb-cape-overlays package:

sudo apt update
sudo apt install --only-upgrade bb-cape-overlays

debian@beaglebone:~$ cd /opt/scripts/tools/
debian@beaglebone:/opt/scripts/tools$ git pull
debian@beaglebone:/opt/scripts/tools$ sudo ./update_kernel.sh --lts-4_14

sudo reboot


Robert Nelson

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