Commit 225312fb authored by Bryan Brattlof's avatar Bryan Brattlof Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-am62a-wakeup: add VTM node 



The am62ax supports a single Voltage and Thermal Management (VTM) device
located in the wakeup domain with three associated temperature monitors
located in various hot spots of the die.

Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230405215328.3755561-4-bb@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent bbb6dc62

arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi

0 → 100644
+47 −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 {

	main0_thermal: main0-thermal {

		polling-delay-passive = <250>;	/* milliSeconds */

		polling-delay = <500>;		/* milliSeconds */

		thermal-sensors = <&wkup_vtm0 0>;



		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 1>;



		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 2>;



		trips {

			main2_crit: main2-crit {

				temperature = <125000>;	/* milliCelsius */

				hysteresis = <2000>;	/* milliCelsius */

				type = "critical";

			};

		};

	};

};

arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -62,4 +62,12 @@ wkup_rti0: watchdog@2b000000 { 
		/* Used by DM firmware */

		status = "reserved";

	};



	wkup_vtm0: temperature-sensor@b00000 {

		compatible = "ti,j7200-vtm";

		reg = <0x00 0xb00000 0x00 0x400>,

		      <0x00 0xb01000 0x00 0x400>;

		power-domains = <&k3_pds 95 TI_SCI_PD_EXCLUSIVE>;

		#thermal-sensor-cells = <1>;

	};

};

arch/arm64/boot/dts/ti/k3-am62a.dtsi

+2 −0
Original line number Diff line number Diff line
@@ -115,6 +115,8 @@ cbass_wakeup: bus@b00000 { 
				 <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/

		};

	};



	#include "k3-am62a-thermal.dtsi"

};



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