2017年4月5日 14:13于 Maxime Ripard <[email protected]>写道： > > On Wed, Apr 05, 2017 at 02:01:44AM +0800, Icenowy Zheng wrote: > > Add support of AXP803 regulators in the Pine64 device tree, in order to > > enable many future functionalities, e.g. Wi-Fi. > > > > Signed-off-by: Icenowy Zheng <[email protected]> > > --- > > .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 109 > >+++++++++++++++++++++ > > 1 file changed, 109 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > > b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > > index 2132d8e6cb3d..7da074f95065 100644 > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > > @@ -106,6 +106,115 @@ > > }; > > }; > > > > +#include "axp803.dtsi" > > + > > +®_aldo1 { > > + regulator-min-microvolt = <2800000>; > > + regulator-max-microvolt = <2800000>; > > + regulator-name = "vcc-csi"; > > +}; > > + > > +®_aldo2 { > > + regulator-always-on; > > + regulator-min-microvolt = <1800000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-pl"; > > +}; > > + > > +®_aldo3 { > > + regulator-always-on; > > + regulator-min-microvolt = <2700000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-pll-avcc"; > > +}; > > + > > +®_dc1sw { > > + regulator-name = "vcc-phy"; > > +}; > > + > > +®_dcdc1 { > > + regulator-always-on; > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-3v3"; > > +}; > > + > > +®_dcdc2 { > > + regulator-always-on; > > + regulator-min-microvolt = <1000000>; > > + regulator-max-microvolt = <1300000>; > > + regulator-name = "vdd-cpux"; > > +}; > > + > > +/* DCDC3 is polyphased with DCDC2 */ > > + > > +®_dcdc5 { > > + regulator-always-on; > > + regulator-min-microvolt = <1500000>; > > + regulator-max-microvolt = <1500000>; > > + regulator-name = "vcc-dram"; > > +}; > > + > > +®_dcdc6 { > > + regulator-always-on; > > + regulator-min-microvolt = <1100000>; > > + regulator-max-microvolt = <1100000>; > > + regulator-name = "vdd-sys"; > > +}; > > + > > +®_dldo1 { > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-hdmi"; > > +}; > > + > > +®_dldo2 { > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-mipi"; > > +}; > > + > > +®_dldo3 { > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "avdd-csi"; > > +}; > > + > > +®_dldo4 { > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-name = "vcc-wifi"; > > +}; > > + > > +®_eldo1 { > > + regulator-min-microvolt = <1800000>; > > + regulator-max-microvolt = <1800000>; > > + regulator-name = "cpvdd"; > > +}; > > + > > +®_eldo3 { > > + regulator-min-microvolt = <1800000>; > > + regulator-max-microvolt = <1800000>; > > + regulator-name = "vdd-1v8-csi"; > > +}; > > + > > +®_fldo1 { > > + regulator-min-microvolt = <1200000>; > > + regulator-max-microvolt = <1200000>; > > + regulator-name = "vcc-1v2-hsic"; > > +}; > > + > > +®_fldo2 { > > + regulator-always-on; > > + regulator-min-microvolt = <1100000>; > > + regulator-max-microvolt = <1100000>; > > + regulator-name = "vdd-cpus"; > > +}; > > Why do you need to always power the AR100 on?
It's for CPUS power domain, not the AR100 processor. Kill it will lead to instantly system hang. > > Maxime > > -- > Maxime Ripard, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
