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SubjectRe: [RFC PATCH] ARM: dts: Add support for Turris Omnia

> >Yes. That is fine. It is just unusual. Most boards have gpio-led and
> >gpio-keys, which are easy to add. That is why i asked. Adding an LED
> >driver which talks to this M0 can be added later.
> Actually the WiP driver for MCU LED interface, that we use in our
> kernel is here:
> It definitely needs some cleanup and it adds non-standard features
> (main PWM for all LEDs, autonomous blink mode, colors) via custom
> /sys files, which I suspect that is not going to be acceptable for
> upstream. Let's keep it for the next iteration.

Actually, LEDs that can do PWM intensity on their own are common and

LEDs that can do PWM pretty advanced patterns are common in the cellphones,
as is the color. Unfortunately, good support in kernel is missing. It
would be good to change that.

In n900, I have a LED that can compute prime numbers then blink them,
autonomously. We probably don't need to support _that_, but common
support for patterns would be good.

Best regards,

(cesky, pictures)

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