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arm64: dts: ti: j784s4: Add VTM node

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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>
This commit is contained in:
Keerthy 2023-04-05 16:53:25 -05:00 committed by Vignesh Raghavendra
parent 225312fbaf
commit 64821fbf67
3 changed files with 113 additions and 0 deletions
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8
arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
View File

@ -382,4 +382,12 @@ mcu_r5fss0_core1: r5f@41400000 {
ti,loczrama = <1>; 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>;
};
}; };

101
arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi Normal file
View File

@ -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";
};
};
};

4
arch/arm64/boot/dts/ti/k3-j784s4.dtsi
View File

@ -281,6 +281,10 @@ cbass_mcu_wakeup: bus@28380000 {
<0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/ <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 */ /* Now include peripherals from each bus segment */