diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi index 2401cdf5f751..dbf7963b6c87 100644 --- a/arch/arm/boot/dts/meson8b.dtsi +++ b/arch/arm/boot/dts/meson8b.dtsi @@ -10,6 +10,7 @@ #include #include #include +#include #include "meson.dtsi" / { @@ -26,6 +27,7 @@ cpu0: cpu@200 { resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu1: cpu@201 { @@ -37,6 +39,7 @@ cpu1: cpu@201 { resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu2: cpu@202 { @@ -48,6 +51,7 @@ cpu2: cpu@202 { resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu3: cpu@203 { @@ -59,6 +63,7 @@ cpu3: cpu@203 { resets = <&clkc CLKC_RESET_CPU3_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; }; @@ -167,6 +172,54 @@ hwrom@0 { }; }; + thermal-zones { + soc { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + thermal-sensors = <&thermal_sensor>; + + cooling-maps { + map0 { + trip = <&soc_passive>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + + map1 { + trip = <&soc_hot>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + + trips { + soc_passive: soc-passive { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + + soc_hot: soc-hot { + temperature = <90000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "hot"; + }; + + soc_critical: soc-critical { + temperature = <110000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + }; + }; + mmcbus: bus@c8000000 { compatible = "simple-bus"; reg = <0xc8000000 0x8000>; @@ -221,6 +274,7 @@ mali: gpu@c0000 { clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>; clock-names = "bus", "core"; operating-points-v2 = <&gpu_opp_table>; + #cooling-cells = <2>; /* min followed by max */ }; }; }; /* end of / */