On Mon, 19 Sep 2016 16:44:56 +0800 Andy Yan <andy.yan at rock-chips.com> wrote: > The current rk3066a based boards(Rayeager, Bqcurie2, Marsboard) use > pwm modulate vdd_logic voltage, but the pwm is default disabled and > the pwm pin acts as a gpio before pwm regulator probed, so the pwm > regulator driver will get a zero dutycycle at probe time, so change > the initial dutycycle to zero to match pwm_regulator_init_state check. > > Signed-off-by: Andy Yan <andy.yan at rock-chips.com> > > --- > > arch/arm/boot/dts/rk3066a-bqcurie2.dts | 2 +- > arch/arm/boot/dts/rk3066a-marsboard.dts | 2 +- > arch/arm/boot/dts/rk3066a-rayeager.dts | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/rk3066a-bqcurie2.dts b/arch/arm/boot/dts/rk3066a-bqcurie2.dts > index bc674ee..618450d 100644 > --- a/arch/arm/boot/dts/rk3066a-bqcurie2.dts > +++ b/arch/arm/boot/dts/rk3066a-bqcurie2.dts > @@ -61,7 +61,7 @@ > regulator-min-microvolt = <1200000>; > regulator-max-microvolt = <1200000>; > regulator-always-on; > - voltage-table = <1000000 100>, > + voltage-table = <1000000 0>, > <1200000 42>; So, it seems you are reversing the PWM polarity here. Are you sure you shouldn't change the 2nd entry of this table (<1200000 58>)? > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/rk3066a-marsboard.dts b/arch/arm/boot/dts/rk3066a-marsboard.dts > index a2b763e..ddc680b 100644 > --- a/arch/arm/boot/dts/rk3066a-marsboard.dts > +++ b/arch/arm/boot/dts/rk3066a-marsboard.dts > @@ -59,7 +59,7 @@ > regulator-min-microvolt = <1200000>; > regulator-max-microvolt = <1200000>; > regulator-always-on; > - voltage-table = <1000000 100>, > + voltage-table = <1000000 0>, > <1200000 42>; > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/rk3066a-rayeager.dts b/arch/arm/boot/dts/rk3066a-rayeager.dts > index 2536b3a..30aee99 100644 > --- a/arch/arm/boot/dts/rk3066a-rayeager.dts > +++ b/arch/arm/boot/dts/rk3066a-rayeager.dts > @@ -84,7 +84,7 @@ > regulator-min-microvolt = <1200000>; > regulator-max-microvolt = <1200000>; > regulator-always-on; > - voltage-table = <1000000 100>, > + voltage-table = <1000000 0>, > <1200000 42>; > status = "okay"; > };
