Hi,

  I'm using:* Linux beaglebone 4.14.106-bone-rt-r19 #1 PREEMPT RT Tue Mar 
26 19:02:06 UTC 2019 armv7l GNU/Linux*

  I started by disabling the emmc in uEnv.txt

  I then tried to modify the config-pin script for P8_14 (which would be 
gpmc_AD14 as a starting example), but I get

*Cannot write pinmux File: /sys/devices/platform/ocp/ocp:P8_14_pinmux/state*

  Can anyone give a pointer on how to go about configuring pins to use gmpc 
mode with the config-pin script (or any other method)?

Thanks,

Jeff

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