On Fri, Apr 19, 2019 at 3:08 PM Jeff Pollard <[email protected]> wrote: > > Hi, > That makes sense, but.... > > I can use config-pin to set the value to something like: > pwm > for example: > config-pin P8.14 pwm > will work just fine > as will gpio > and gpio_pd, etc. > > But, gpmc (mode 0) is not a valid choice i.e. config-pin p8.14 gpmc is > invalid > I tried adding it to the config-pin script for pin 8_14, but that didn't > help as it appears the problem is deeper than than. I can't change the value > of state in: > > /sys/devices/platform/ocp/ocp:P8_14_pinmux/state > > the error I get is: > > Cannot write pinmux File: /sys/devices/platform/ocp/ocp:P8_14_pinmux/state
Hi Jeff, This is the first we've had anyone ask about gpmc. Right now the kernel overlay isn't setup to export the gpmc pinmux. Thus the error. Today, your best bet is to write an overlay to enable the gpmc pinmux. Regards, -- Robert Nelson https://rcn-ee.com/ -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
