Commit 8fb4e87c authored by Keerthy's avatar Keerthy Committed by Vignesh Raghavendra
Browse files

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: 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/20230405215328.3755561-6-bb@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 64821fbf

arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi

+9 −0
Original line number Diff line number Diff line
@@ -458,4 +458,13 @@ mcu_spi2: spi@40320000 { 
		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>;

	};

};

arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi

0 → 100644
+75 −0
Original line number Diff line number Diff line 
// 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";

			};

		};

	};

};

arch/arm64/boot/dts/ti/k3-j721e.dtsi

+2 −0
Original line number Diff line number Diff line
@@ -185,6 +185,8 @@ cbass_mcu_wakeup: bus@28380000 { 
				 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/

		};

	};



	#include "k3-j721e-thermal.dtsi"

};



/* Now include the peripherals for each bus segments */