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arm64: allwinner: Add a dtbo to have cpu operating points

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This enables cpufreq on A64 boards.

MFC after:	1 month
This commit is contained in:
Emmanuel Vadot 2018-11-29 22:35:23 +00:00
parent f0fea829d0
commit a69c1d42cc
2 changed files with 74 additions and 1 deletions
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72
sys/dts/arm64/overlays/sun50i-a64-opp.dtso Normal file
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@ -0,0 +1,72 @@
/dts-v1/;
/plugin/;
/ {
compatible = "allwinner,sun50i-a64";
};
&{/} {
cpu0_opp_table: opp_table0 {
compatible = "operating-points-v2";
opp-shared;
opp-648000000 {
opp-hz = /bits/ 64 <648000000>;
opp-microvolt = <1040000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-816000000 {
opp-hz = /bits/ 64 <816000000>;
opp-microvolt = <1100000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-912000000 {
opp-hz = /bits/ 64 <912000000>;
opp-microvolt = <1120000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-960000000 {
opp-hz = /bits/ 64 <960000000>;
opp-microvolt = <1160000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-1008000000 {
opp-hz = /bits/ 64 <1008000000>;
opp-microvolt = <1200000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-1056000000 {
opp-hz = /bits/ 64 <1056000000>;
opp-microvolt = <1240000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-1104000000 {
opp-hz = /bits/ 64 <1104000000>;
opp-microvolt = <1260000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
opp-1152000000 {
opp-hz = /bits/ 64 <1152000000>;
opp-microvolt = <1300000>;
clock-latency-ns = <244144>; /* 8 32k periods */
};
};
};
&{/cpus/cpu@0} {
operating-points-v2 = <&cpu0_opp_table>;
clocks = <&ccu 1>;
cpu-supply = <&reg_dcdc2>;
};
&{/cpus/cpu@1} {
operating-points-v2 = <&cpu0_opp_table>;
};
&{/cpus/cpu@2} {
operating-points-v2 = <&cpu0_opp_table>;
};
&{/cpus/cpu@3} {
operating-points-v2 = <&cpu0_opp_table>;
};

3
sys/modules/dtb/allwinner/Makefile
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@ -44,7 +44,8 @@ DTS= \
allwinner/sun50i-a64-sopine-baseboard.dts \
allwinner/sun50i-h5-orangepi-pc2.dts
DTSO= sun50i-a64-sid.dtso \
DTSO= sun50i-a64-opp.dtso \
sun50i-a64-sid.dtso \
sun50i-a64-ths.dtso \
sun50i-a64-timer.dtso