diff options
| author | Ondrej Jirman <megous@megous.com> | 2020-04-20 15:00:15 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-04-23 11:36:36 +0200 |
| commit | 905434e0b544ee220bcce6da16a6857c0274b8ba (patch) | |
| tree | 1d755fe2e5cb157960aad9a90d8817271c55d80a /arch/arm64/boot/dts | |
| parent | 9f8a93b742e99dd93ca888161909e7245f1c7269 (diff) | |
arm64: dts: allwinner: h6: Add CPU Operating Performance Points table
Add an Operating Performance Points table for the CPU cores to
enable Dynamic Voltage & Frequency Scaling on the H6.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi | 117 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 4 |
2 files changed, 121 insertions, 0 deletions
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..dcb789519797 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-cpu-opp.dtsi @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (C) 2020 Ondrej Jirman <megous@megous.com> +// Copyright (C) 2020 Clément Péron <peron.clem@gmail.com> + +/ { + 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>; +}; + +&cpu1 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu2 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu3 { + operating-points-v2 = <&cpu_opp_table>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 7cd10e4a5e2e..2e31632c6ca8 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -262,6 +262,10 @@ ths_calibration: thermal-sensor-calibration@14 { reg = <0x14 0x8>; }; + + cpu_speed_grade: cpu-speed-grade@1c { + reg = <0x1c 0x4>; + }; }; watchdog: watchdog@30090a0 { |