Message ID | 20200407055116.16082-5-j-keerthy@ti.com (mailing list archive) |
---|---|
State | Mainlined |
Commit | 64f9147d914d355a9ca3bce5e9c901bd56d67e58 |
Headers | show |
Series | thermal: k3: Add support for bandgap sensors | expand |
On Tue, Apr 7, 2020 at 11:21 AM Keerthy <j-keerthy@ti.com> wrote: > > The am654 SoC has three thermal zones namely MPU0, MPU1 and MCU > zones. > > Signed-off-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> > --- > arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 4 ++ > .../dts/ti/k3-am654-industrial-thermal.dtsi | 45 +++++++++++++++++++ > 2 files changed, 49 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi > > diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi > index 98b89cf0ccdf..54a133fa1bf2 100644 > --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi > @@ -96,4 +96,8 @@ > power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>; > #thermal-sensor-cells = <1>; > }; > + > + thermal_zones: thermal-zones { > + #include "k3-am654-industrial-thermal.dtsi" > + }; > }; > diff --git a/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi > new file mode 100644 > index 000000000000..cdc3d40c3f60 > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi > @@ -0,0 +1,45 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include <dt-bindings/thermal/thermal.h> > + > +mpu0_thermal: mpu0_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 0>; > + > + trips { > + mpu0_crit: mpu0_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +mpu1_thermal: mpu1_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 1>; > + > + trips { > + mpu1_crit: mpu1_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +mcu_thermal: mcu_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 2>; > + > + trips { > + mcu_crit: mcu_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > -- > 2.17.1 >
diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 98b89cf0ccdf..54a133fa1bf2 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -96,4 +96,8 @@ power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>; #thermal-sensor-cells = <1>; }; + + thermal_zones: thermal-zones { + #include "k3-am654-industrial-thermal.dtsi" + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi new file mode 100644 index 000000000000..cdc3d40c3f60 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/thermal/thermal.h> + +mpu0_thermal: mpu0_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + mpu0_crit: mpu0_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +mpu1_thermal: mpu1_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 1>; + + trips { + mpu1_crit: mpu1_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +mcu_thermal: mcu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 2>; + + trips { + mcu_crit: mcu_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +};
The am654 SoC has three thermal zones namely MPU0, MPU1 and MCU zones. Signed-off-by: Keerthy <j-keerthy@ti.com> --- arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 4 ++ .../dts/ti/k3-am654-industrial-thermal.dtsi | 45 +++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi