Hi Ondrej, On 20-07-30 15:24, Ondrej Jirman wrote: > The board has a vibrator motor. Hook it to the input subsystem. > > According to the PMIC specification, LDO needs to be enabled (value 0b11) > to achieve the specified max driving current of 150mA. We can't drive > the motor with just GPIO mode. > > In GPIO mode the chip is probably just using the regular CMOS logic > output circuitry (typically limited to around 20-35mA, but not specified > in this datasheet). > > Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx> > --- > arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts > index bfc9bb277a49..a278a1e33930 100644 > --- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts > +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts > @@ -99,6 +99,11 @@ panel_input: endpoint { > }; > }; > > + vibrator { > + compatible = "gpio-vibrator"; > + vcc-supply = <®_ldo_io1>; > + }; Please keep the alphabetical order. I also would merge patch 3 and 4 into one since they are realted changes. Regards, Marco > + > reg_gps: reg-gps { > compatible = "regulator-fixed"; > regulator-name = "gps";