Commit 96135297 authored by Bryan Brattlof's avatar Bryan Brattlof Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-am64-main: add VTM node 



The am64x supports a single VTM module which is located in the main
domain with two associated temperature monitors located at different hot
spots on the die.

Tested-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230405215328.3755561-2-bb@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 715084ec

arch/arm64/boot/dts/ti/k3-am64-main.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -1536,4 +1536,12 @@ elm0: ecc@25010000 { 
		clock-names = "fck";

		status = "disabled";

	};



	main_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-am64-thermal.dtsi

0 → 100644
+33 −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 = <&main_vtm0 0>;



		trips {

			main0_crit: main0-crit {

				temperature = <105000>;	/* milliCelsius */

				hysteresis = <2000>;	/* milliCelsius */

				type = "critical";

			};

		};

	};



	main1_thermal: main1-thermal {

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

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

		thermal-sensors = <&main_vtm0 1>;



		trips {

			main1_crit: main1-crit {

				temperature = <105000>;	/* milliCelsius */

				hysteresis = <2000>;	/* milliCelsius */

				type = "critical";

			};

		};

	};

};

arch/arm64/boot/dts/ti/k3-am64.dtsi

+3 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ cbass_main: bus@f4000 { 
			 <0x00 0x00420000 0x00 0x00420000 0x00 0x00001000>, /* ESM0 */

			 <0x00 0x00600000 0x00 0x00600000 0x00 0x00001100>, /* GPIO */

			 <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* Timesync router */

			 <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */

			 <0x00 0x01000000 0x00 0x01000000 0x00 0x02330400>, /* First peripheral window */

			 <0x00 0x08000000 0x00 0x08000000 0x00 0x00200000>, /* Main CPSW */

			 <0x00 0x0d000000 0x00 0x0d000000 0x00 0x00800000>, /* PCIE_CORE */
@@ -90,6 +91,8 @@ cbass_mcu: bus@4000000 { 
			ranges = <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>; /* Peripheral window */

		};

	};



	#include "k3-am64-thermal.dtsi"

};



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