diff options
| -rw-r--r-- | arch/arm/boot/dts/st/stih407-family.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/st/stih418.dtsi | 41 |
2 files changed, 42 insertions, 5 deletions
diff --git a/arch/arm/boot/dts/st/stih407-family.dtsi b/arch/arm/boot/dts/st/stih407-family.dtsi index 29302e74aa1d..35a55aef7f4b 100644 --- a/arch/arm/boot/dts/st/stih407-family.dtsi +++ b/arch/arm/boot/dts/st/stih407-family.dtsi @@ -33,7 +33,7 @@ cpus { #address-cells = <1>; #size-cells = <0>; - cpu@0 { + cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; @@ -52,8 +52,9 @@ clock-latency = <100000>; cpu0-supply = <&pwm_regulator>; st,syscfg = <&syscfg_core 0x8e0>; + #cooling-cells = <2>; }; - cpu@1 { + cpu1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; @@ -66,6 +67,7 @@ 1200000 0 800000 0 500000 0>; + #cooling-cells = <2>; }; }; diff --git a/arch/arm/boot/dts/st/stih418.dtsi b/arch/arm/boot/dts/st/stih418.dtsi index 0f0db988a907..8fb8b3af5e49 100644 --- a/arch/arm/boot/dts/st/stih418.dtsi +++ b/arch/arm/boot/dts/st/stih418.dtsi @@ -6,23 +6,26 @@ #include "stih418-clock.dtsi" #include "stih407-family.dtsi" #include "stih410-pinctrl.dtsi" +#include <dt-bindings/thermal/thermal.h> / { cpus { #address-cells = <1>; #size-cells = <0>; - cpu@2 { + cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <2>; /* u-boot puts hpen in SBC dmem at 0xa4 offset */ cpu-release-addr = <0x94100A4>; + #cooling-cells = <2>; }; - cpu@3 { + cpu3: cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <3>; /* u-boot puts hpen in SBC dmem at 0xa4 offset */ cpu-release-addr = <0x94100A4>; + #cooling-cells = <2>; }; }; @@ -44,6 +47,38 @@ reset-names = "global", "port"; }; + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <250>; /* 250ms */ + polling-delay = <1000>; /* 1000ms */ + + thermal-sensors = <&thermal>; + + trips { + cpu_crit: cpu-crit { + temperature = <95000>; /* 95C */ + hysteresis = <2000>; + type = "critical"; + }; + cpu_alert: cpu-alert { + temperature = <85000>; /* 85C */ + hysteresis = <2000>; + type = "passive"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_alert>; + 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>; + }; + }; + }; + }; + soc { rng11: rng@8a8a000 { status = "disabled"; @@ -107,7 +142,7 @@ assigned-clock-rates = <200000000>; }; - thermal@91a0000 { + thermal: thermal@91a0000 { compatible = "st,stih407-thermal"; reg = <0x91a0000 0x28>; clock-names = "thermal"; |