Re: [RFC v2 GPIO lines [was: GPIO User I/O]

[Rodolfo Giometti <giometti@xxxxxxxxxxxx>]

On 20/07/20 10:17, Linus Walleij wrote:
> IIUC Rodolfo's idea is to provide this with a DT compatible.
> The use case will be industrial automation-ish tasks from userspace.
> 
> Currently the only mechanism we have in the device tree to
> assign a use for a line is the "gpio-line-names" property,
> which creates a name that is reported upward to the character
> device.
> 
> Rodolfo's patch is for scripting use cases, assigning some lines
> for some cases to be handled by scripts, not the character device.
> 
> What I am a bit worried about is if this would be a Linuxism, as DT
> should be OS neutral.

Hello Linus,

I'm currently using my solution for GPIOs management as input or output lines
described in the DT on several systems.

Are you re-thinking about this topic? Can we go further for inclusion or should
I continue doing out-of-tree? :(

Ciao,

Rodolfo

-- 
GNU/Linux Solutions                  e-mail: giometti@xxxxxxxxxxxx
Linux Device Driver                          giometti@xxxxxxxx
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti