Hi Keerthy On 12/04/22 3:44 pm, Keerthy wrote: > VTM stands for Voltage Thermal Management > > Signed-off-by: Keerthy <j-keerthy@xxxxxx> > --- > .../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 9 +++ > arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi | 73 +++++++++++++++++++ > arch/arm64/boot/dts/ti/k3-j721e.dtsi | 4 + > 3 files changed, 86 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > index b4972dfb7da8..6290f563b8e7 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > @@ -418,4 +418,13 @@ > interrupt-names = "int0", "int1"; > bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; > }; > + > + wkup_vtm0: wkup_vtm0@42040000 { > + compatible = "ti,j721e-vtm"; > + reg = <0x0 0x42040000 0x0 0x350>, > + <0x0 0x42050000 0x0 0x350>, > + <0x0 0x43000300 0x0 0x10>; Please follow convention of using 0x00 as rest of the file: reg = <0x00 0x42040000 0x00 0x350>, .... > + power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>; > + #thermal-sensor-cells = <1>; > + }; > }; > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi > new file mode 100644 > index 000000000000..e922042f356f > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi > @@ -0,0 +1,73 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include <dt-bindings/thermal/thermal.h> > + > +wkup_thermal: wkup_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 0>; > + > + trips { > + wkup_crit: wkup_crit { Here and elsewhere no "-" in node names please. You can use: https://github.com/nmenon/kernel_patch_verify kpv -C -n <no of commits> This catches most issues like above > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +mpu_thermal: mpu_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 1>; > + > + trips { > + mpu_crit: mpu_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +c7x_thermal: c7x_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 2>; > + > + trips { > + c7x_crit: c7x_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +gpu_thermal: gpu_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 3>; > + > + trips { > + gpu_crit: gpu_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > + > +r5f_thermal: r5f_thermal { > + polling-delay-passive = <250>; /* milliseconds */ > + polling-delay = <500>; /* milliseconds */ > + thermal-sensors = <&wkup_vtm0 4>; > + > + trips { > + r5f_crit: r5f_crit { > + temperature = <125000>; /* milliCelsius */ > + hysteresis = <2000>; /* milliCelsius */ > + type = "critical"; > + }; > + }; > +}; > diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi > index 0e23886c9fd1..6979863eb500 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi > @@ -181,6 +181,10 @@ > <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/ > }; > }; > + > + thermal_zones: thermal-zones { > + #include "k3-j721e-thermal.dtsi" > + }; Bit weird representation, any reason why thermal-zones {} cannot be moved into k3-j721e-thermal.dtsi? > }; > > /* Now include the peripherals for each bus segments */ Regards Vignesh