| Message ID | 20200405104913.22806-8-peron.clem@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for Allwinner H6 DVFS | expand |
Hello, On Sun, Apr 05, 2020 at 12:49:13PM +0200, Clément Péron wrote: > Enable CPU and GPU opp tables for Beelink GS1. > > This needs also to change the CPU regulator min/max voltage to fit > the OPP table. > > Signed-off-by: Clément Péron <peron.clem@gmail.com> > --- > .../arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts > index df6d872c34e2..8e65d56a7c85 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts > @@ -4,6 +4,8 @@ > /dts-v1/; > > #include "sun50i-h6.dtsi" > +#include "sun50i-h6-cpu-opp.dtsi" > +#include "sun50i-h6-gpu-opp.dtsi" > > #include <dt-bindings/gpio/gpio.h> > > @@ -70,6 +72,10 @@ > }; > }; > > +&cpu0 { > + cpu-supply = <®_dcdca>; > +}; > + > &de { > status = "okay"; > }; > @@ -226,8 +232,8 @@ > > reg_dcdca: dcdca { > regulator-always-on; > - regulator-min-microvolt = <810000>; > - regulator-max-microvolt = <1080000>; > + regulator-min-microvolt = <820000>; > + regulator-max-microvolt = <1160000>; The H6 datasheet says: - VDD-CPU Power Supply for CPU 0.81 - 1.08 V (recommended) - VDD-CPU Power Supply for CPU -0.30 - 1.30 V (abs max) So I guess there's no need to increase the lower limit, because it matches the datasheet already. regards, o. > regulator-name = "vdd-cpu"; > }; > > -- > 2.20.1 > > -- > 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 linux-sunxi+unsubscribe@googlegroups.com. > To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/20200405104913.22806-8-peron.clem%40gmail.com.
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts index df6d872c34e2..8e65d56a7c85 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts @@ -4,6 +4,8 @@ /dts-v1/; #include "sun50i-h6.dtsi" +#include "sun50i-h6-cpu-opp.dtsi" +#include "sun50i-h6-gpu-opp.dtsi" #include <dt-bindings/gpio/gpio.h> @@ -70,6 +72,10 @@ }; }; +&cpu0 { + cpu-supply = <®_dcdca>; +}; + &de { status = "okay"; }; @@ -226,8 +232,8 @@ reg_dcdca: dcdca { regulator-always-on; - regulator-min-microvolt = <810000>; - regulator-max-microvolt = <1080000>; + regulator-min-microvolt = <820000>; + regulator-max-microvolt = <1160000>; regulator-name = "vdd-cpu"; };
Enable CPU and GPU opp tables for Beelink GS1. This needs also to change the CPU regulator min/max voltage to fit the OPP table. Signed-off-by: Clément Péron <peron.clem@gmail.com> --- .../arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)