diff options
| author | Keerthy <j-keerthy@ti.com> | 2023-04-05 16:53:26 -0500 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-06-15 11:05:03 +0530 |
| commit | 8fb4e87c55979c1f6691346205b884d1863ca6db (patch) | |
| tree | 84d198355d260ee58a2a5dc4d6544fed71d09e98 | |
| parent | 64821fbf67382951c5eae4e088df93f236c1ead6 (diff) | |
arm64: dts: ti: j721e: Add VTM node
VTM stands for Voltage Thermal Management. Add the thermal zones.
Five sensors mapping ton 5 thermal zones. WKUP, MPU, C7x, GPU & R5F
respectively.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[bb@ti.com: rebased on v6.3-rc1]
Signed-off-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230405215328.3755561-6-bb@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 9 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi | 75 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e.dtsi | 2 |
3 files changed, 86 insertions, 0 deletions
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 24e8125db8c4..8d86f23b2123 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi @@ -458,4 +458,13 @@ clocks = <&k3_clks 276 0>; status = "disabled"; }; + + wkup_vtm0: temperature-sensor@42040000 { + compatible = "ti,j721e-vtm"; + reg = <0x00 0x42040000 0x00 0x350>, + <0x00 0x42050000 0x00 0x350>, + <0x00 0x43000300 0x00 0x10>; + 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..c2523279001b --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/thermal/thermal.h> + +thermal_zones: thermal-zones { + wkup_thermal: wkup-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + wkup_crit: wkup-crit { + 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 c577f3739407..99436105ada1 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi @@ -185,6 +185,8 @@ <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/ }; }; + + #include "k3-j721e-thermal.dtsi" }; /* Now include the peripherals for each bus segments */ |