From: Ondrej Jirman <[email protected]> Add an Operating Performance Points table for the CPU cores to enable Dynamic Voltage & Frequency Scaling on the H6.
Signed-off-by: Ondrej Jirman <[email protected]> Signed-off-by: Clément Péron <[email protected]> --- .../boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi | 121 ++++++++++++++++++ arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 4 + 2 files changed, 125 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi new file mode 100644 index 000000000000..9ebd97b04b1a --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (C) 2020 Ondrej Jirman <[email protected]> +// Copyright (C) 2020 Clément Péron <[email protected]> + +/ { + cpu_opp_table: cpu-opp-table { + compatible = "allwinner,sun50i-h6-operating-points"; + nvmem-cells = <&cpu_speed_grade>; + opp-shared; + + opp@480000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <480000000>; + + opp-microvolt-speed0 = <880000>; + opp-microvolt-speed1 = <820000>; + opp-microvolt-speed2 = <820000>; + }; + + opp@720000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <720000000>; + + opp-microvolt-speed0 = <880000>; + opp-microvolt-speed1 = <820000>; + opp-microvolt-speed2 = <820000>; + }; + + opp@816000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <816000000>; + + opp-microvolt-speed0 = <880000>; + opp-microvolt-speed1 = <820000>; + opp-microvolt-speed2 = <820000>; + }; + + opp@888000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <888000000>; + + opp-microvolt-speed0 = <880000>; + opp-microvolt-speed1 = <820000>; + opp-microvolt-speed2 = <820000>; + }; + + opp@1080000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1080000000>; + + opp-microvolt-speed0 = <940000>; + opp-microvolt-speed1 = <880000>; + opp-microvolt-speed2 = <880000>; + }; + + opp@1320000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1320000000>; + + opp-microvolt-speed0 = <1000000>; + opp-microvolt-speed1 = <940000>; + opp-microvolt-speed2 = <940000>; + }; + + opp@1488000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1488000000>; + + opp-microvolt-speed0 = <1060000>; + opp-microvolt-speed1 = <1000000>; + opp-microvolt-speed2 = <1000000>; + }; + + opp@1608000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1608000000>; + + opp-microvolt-speed0 = <1090000>; + opp-microvolt-speed1 = <1030000>; + opp-microvolt-speed2 = <1030000>; + }; + + opp@1704000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1704000000>; + + opp-microvolt-speed0 = <1120000>; + opp-microvolt-speed1 = <1060000>; + opp-microvolt-speed2 = <1060000>; + }; + + opp@1800000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1800000000>; + + opp-microvolt-speed0 = <1160000>; + opp-microvolt-speed1 = <1100000>; + opp-microvolt-speed2 = <1100000>; + }; + }; +}; + +&cpu0 { + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; +}; + +&cpu1 { + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; +}; + +&cpu2 { + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; +}; + +&cpu3 { + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 60da1627772b..83e32f9c4977 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -258,6 +258,10 @@ ths_calibration: thermal-sensor-calibration@14 { reg = <0x14 0x8>; }; + + cpu_speed_grade: cpu-speed-grade@1c { + reg = <0x1c 0x4>; + }; }; watchdog: watchdog@30090a0 { -- 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 [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/20200419135011.18010-2-peron.clem%40gmail.com.
