Hi, * Linus Walleij <linus.wall...@linaro.org> [210109 21:14]: > On Sat, Jan 9, 2021 at 3:55 AM Drew Fustini <d...@beagleboard.org> wrote: > > > I discussed my use case and this patch on #armlinux earlier this week > > and Alexandre Belloni suggested looking at the pinmux-pins debugfs file. > > This sounds reasonable. > > > This made me think that a possible solution could be to define a store > > function for pinmux-pins to handle something like "<pin#> <function#>". > > I believe the ability to activate a pin function (or pin group) from > > userspace would satisfy our beagleboard.org use-case. > > > > Does that seem like a reasonable approach? > > This sounds like a good approach.
Makes sense to me too. We may want to make it into a proper sysfs interface eventually to not require debugfs be enabled in .config. But that's another set of patches, certainly makes sense to first enable it for debugfs. Regards, Tony
