[PATCH v2 2/6] arm64: dts: imx8mq-librem5: add RGB pwm notification leds
Martin Kepplinger
martin.kepplinger at puri.sm
Fri Sep 9 01:32:49 PDT 2022
Am Dienstag, dem 06.09.2022 um 10:45 +0200 schrieb Pavel Machek:
> Hi!
>
> > From: Guido Günther <agx at sigxcpu.org>
> >
> > Describe the RGB notification leds on the Librem 5 phone.
> > Use the common defines so we're sure to adhere to the common
> > patterns,
> > use predefined led colors and functions so we're being warned in
> > case
> > of deprecations.
>
> I'd like LED lists to be cc-ed on patches like this, so that we can
> keep userland API consistent.
>
> In particular, RGB LED is very common feature on the phones, and it
> would be good to have it consistent accross them. Can you take a look
> at Documentation/leds/well-known-leds.txt, decide if your current API
> is suitable, and update the file so that we get the consistency?
>
> Thanks,
> Pavel
thanks for the feedback Pavel, thanks for queueing up Shawn,
that indeed says that phones should use the multicolor descriptions :)
Later, I'll send changes to have a description like that:
https://source.puri.sm/Librem5/linux/-/merge_requests/623#note_212773
which should be close to what you meant, Pavel.
thanks again,
martin
>
> > + led-controller {
> > + compatible = "pwm-leds";
> > +
> > + led-0 {
> > + function = LED_FUNCTION_STATUS;
> > + color = <LED_COLOR_ID_BLUE>;
> > + max-brightness = <248>;
> > + pwms = <&pwm2 0 50000 0>;
> > + };
> > +
> > + led-1 {
> > + function = LED_FUNCTION_STATUS;
> > + color = <LED_COLOR_ID_GREEN>;
> > + max-brightness = <248>;
> > + pwms = <&pwm4 0 50000 0>;
> > + };
> > +
> > + led-2 {
> > + function = LED_FUNCTION_STATUS;
> > + color = <LED_COLOR_ID_RED>;
> > + max-brightness = <248>;
> > + pwms = <&pwm3 0 50000 0>;
> > + };
> > + };
> > +
> > reg_aud_1v8: regulator-audio-1v8 {
> > compatible = "regulator-fixed";
> > pinctrl-names = "default";
> > --
> > 2.30.2
>
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