Re: Vibrations on Droid 4?

From: Tony Lindgren
Date: Wed Jul 11 2018 - 09:27:45 EST


* Pavel Machek <pavel@xxxxxx> [180711 08:05]:
> Hi!
>
> > > Its parent is gpio@4805d000 , and that one seems to be present.
> > >
> > > user@devuan:/sys/bus/platform/devices$ ls 4805d000.gpio
> > > driver driver_override gpio
> > > gpiochip5 modalias of_node power subsystem uevent
> >
> > Sorry, something went wrong with merging this. The parent
> > of ti,omap-dmtimer-pwm and pwm-vibrator should be / and
> > not gpio6.
>
> Ok, got it to probe... after dts fix and adding EPROBE_DEFFER to
> driver.
..
> --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
> +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
> @@ -159,13 +159,7 @@
>
> dais = <&mcbsp2_port>, <&mcbsp3_port>;
> };
> -};
> -
> -&dss {
> - status = "okay";
> -};
>
> -&gpio6 {
> pwm8: dmtimer-pwm-8 {
> pinctrl-names = "default";
> pinctrl-0 = <&vibrator_direction_pin>;
> @@ -192,7 +186,10 @@
> pwm-names = "enable", "direction";
> direction-duty-cycle-ns = <10000000>;
> };
> +};
>
> +&dss {
> + status = "okay";
> };
>
> &dsi1 {

Hmm sorry if I did a mismerge on the above. A note to
myself to stop applying patches that apply with fuzz,
that is clearly dangerous with dts files with lots
of similar named properties.

Regards,

Tony