Subsystem/interface for a 16x2 character LCD driver?

Arnaud Ebalard arno at natisbad.org
Sat Oct 26 18:58:16 EDT 2013


Hi WIlly,

Willy Tarreau <w at 1wt.eu> writes:

>> If you have any idea where/who I can ask, do not hesitate. Additionally,
>> if someone has thoughts on what the DT interface should look like for
>> such a device, I am interested.
>
> You should probably take a look at the "panel" driver in staging. It's
> a driver I wrote 10-15 years ago and that someone submitted. It supports
> most 2-line text LCD panels with various wirings (serial/parallel), and
> relies on parport to drive them. You can probably reuse some/most of it
> for your driver. You may also possibly add a new backend to it to access
> GPIOs. Userland drives it by writing into /dev/lcd. I don't know if that
> can help.

Will take a look. Thanks.

Cheers,

a+



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