Commit d148e3fe authored by Keerthy's avatar Keerthy Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: j721s2: Add VTM node 



VTM stands for Voltage Thermal Management. Add the thermal zones.
Six sensors mapping to six thermal zones. Main0, Main1, Main2, Main3,
WKUP1 & WKUP2 domains respectively.

Signed-off-by: default avatarKeerthy <j-keerthy@ti.com>
[bb@ti.com: rebased on v6.3-rc1]
Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230405215328.3755561-8-bb@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 4aa6586a

arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -423,4 +423,12 @@ ospi1: spi@47050000 { 
			status = "disabled"; /* Needs pinmux */

		};

	};



	wkup_vtm0: temperature-sensor@42040000 {

		compatible = "ti,j7200-vtm";

		reg = <0x00 0x42040000 0x0 0x350>,

		      <0x00 0x42050000 0x0 0x350>;

		power-domains = <&k3_pds 154 TI_SCI_PD_SHARED>;

		#thermal-sensor-cells = <1>;

	};

};

arch/arm64/boot/dts/ti/k3-j721s2-thermal.dtsi

0 → 100644
+101 −0
Original line number Diff line number Diff line 
// 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";

		};

	};

};

arch/arm64/boot/dts/ti/k3-j721s2.dtsi

+4 −0
Original line number Diff line number Diff line
@@ -164,6 +164,10 @@ cbass_mcu_wakeup: bus@28380000 { 
		};



	};



	thermal_zones: thermal-zones {

		#include "k3-j721s2-thermal.dtsi"

	};

};



/* Now include peripherals from each bus segment */