| Message ID | 20230625202547.174647-20-dmitry.baryshkov@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | ARM: qcom: apq8064: support CPU frequency scaling | expand |
On 25.06.2023 22:25, Dmitry Baryshkov wrote: > Wire up CPUs and thermal trip points to save the SoC from overheating by > lowering the CPU frequency. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Konrad > arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 29 ++++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi > index b97d88517805..f38e3394b422 100644 > --- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi > +++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi > @@ -11,6 +11,7 @@ > #include <dt-bindings/soc/qcom,krait-l2-cache.h> > #include <dt-bindings/interrupt-controller/irq.h> > #include <dt-bindings/interrupt-controller/arm-gic.h> > +#include <dt-bindings/thermal/thermal.h> > / { > #address-cells = <1>; > #size-cells = <1>; > @@ -701,6 +702,13 @@ cpu_crit0: trip1 { > type = "critical"; > }; > }; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert0>; > + cooling-device = <&CPU0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > }; > > cpu1-thermal { > @@ -722,6 +730,13 @@ cpu_crit1: trip1 { > type = "critical"; > }; > }; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert1>; > + cooling-device = <&CPU1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > }; > > cpu2-thermal { > @@ -743,6 +758,13 @@ cpu_crit2: trip1 { > type = "critical"; > }; > }; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert2>; > + cooling-device = <&CPU2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > }; > > cpu3-thermal { > @@ -764,6 +786,13 @@ cpu_crit3: trip1 { > type = "critical"; > }; > }; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert3>; > + cooling-device = <&CPU3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > }; > }; >
diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi index b97d88517805..f38e3394b422 100644 --- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi @@ -11,6 +11,7 @@ #include <dt-bindings/soc/qcom,krait-l2-cache.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/thermal/thermal.h> / { #address-cells = <1>; #size-cells = <1>; @@ -701,6 +702,13 @@ cpu_crit0: trip1 { type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = <&CPU0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu1-thermal { @@ -722,6 +730,13 @@ cpu_crit1: trip1 { type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu_alert1>; + cooling-device = <&CPU1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu2-thermal { @@ -743,6 +758,13 @@ cpu_crit2: trip1 { type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu_alert2>; + cooling-device = <&CPU2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu3-thermal { @@ -764,6 +786,13 @@ cpu_crit3: trip1 { type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu_alert3>; + cooling-device = <&CPU3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; };
Wire up CPUs and thermal trip points to save the SoC from overheating by lowering the CPU frequency. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 29 ++++++++++++++++++++++++ 1 file changed, 29 insertions(+)