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| author | Keerthy <j-keerthy@ti.com> | 2023-04-05 16:53:25 -0500 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-06-15 11:04:13 +0530 |
| commit | 64821fbf67382951c5eae4e088df93f236c1ead6 (patch) | |
| tree | 47b0e48a655a6921f9e5b904262af6349e5df3c3 | |
| parent | 225312fbaf37bb283dbc92a0a1d4dfe58629ab64 (diff) | |
| download | lwn-64821fbf67382951c5eae4e088df93f236c1ead6.tar.gz lwn-64821fbf67382951c5eae4e088df93f236c1ead6.zip | |
arm64: dts: ti: j784s4: Add VTM node
VTM stands for Voltage Thermal Management. Add the thermal zones.
Seven sensors mapping to seven thermal zones. Main0, Main1, Main2, Main3,
Main4, WKUP1 & WKUP2 domains 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/20230405215328.3755561-5-bb@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 8 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi | 101 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j784s4.dtsi | 4 |
3 files changed, 113 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi index e517043d3eb2..32ba27680c6d 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi @@ -382,4 +382,12 @@ ti,loczrama = <1>; }; }; + + wkup_vtm0: temperature-sensor@42040000 { + compatible = "ti,j7200-vtm"; + reg = <0x00 0x42040000 0x00 0x350>, + <0x00 0x42050000 0x00 0x350>; + power-domains = <&k3_pds 154 TI_SCI_PD_SHARED>; + #thermal-sensor-cells = <1>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi new file mode 100644 index 000000000000..f7b1a15b8fa0 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/thermal/thermal.h> + +wkup0_thermal: wkup0-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + wkup0_crit: wkup0-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +wkup1_thermal: wkup1-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 1>; + + trips { + wkup1_crit: wkup1-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +main0_thermal: main0-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 2>; + + trips { + main0_crit: main0-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +main1_thermal: main1-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 3>; + + trips { + main1_crit: main1-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +main2_thermal: main2-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 4>; + + trips { + main2_crit: main2-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +main3_thermal: main3-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 5>; + + trips { + main3_crit: main3-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; + +main4_thermal: main4-thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 6>; + + trips { + main4_crit: main4-crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi index 2e03d84da7d2..cd403c3d2be8 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi @@ -281,6 +281,10 @@ <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/ }; }; + + thermal_zones: thermal-zones { + #include "k3-j784s4-thermal.dtsi" + }; }; /* Now include peripherals from each bus segment */ |