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Commit f4357938 authored by Wei Ni's avatar Wei Ni Committed by Zhang Rui
Browse files

arm64: tegra: set hot trips for Tegra132 



Enable throttle function for SOC_THERM.
Set "hot" trips for cpu and gpu thermal zones, which
can trigger the SOC_THERM hardware throttle.

Signed-off-by: default avatarWei Ni <wni@nvidia.com>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent a6ebde25

arch/arm64/boot/dts/nvidia/tegra132.dtsi

+32 −9
Original line number Diff line number Diff line
@@ -729,7 +729,9 @@ 


	soctherm: thermal-sensor@700e2000 {

		compatible = "nvidia,tegra132-soctherm";

		reg = <0x0 0x700e2000 0x0 0x600>;

		reg = <0x0 0x700e2000 0x0 0x600 /* 0: SOC_THERM reg_base */

			0x0 0x70040000 0x0 0x200>; /* 2: CCROC reg_base */

		reg-names = "soctherm-reg", "ccroc-reg";

		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&tegra_car TEGRA124_CLK_TSENSOR>,

			<&tegra_car TEGRA124_CLK_SOC_THERM>;
@@ -737,6 +739,15 @@ 
		resets = <&tegra_car 78>;

		reset-names = "soctherm";

		#thermal-sensor-cells = <1>;



		throttle-cfgs {

			throttle_heavy: heavy {

				nvidia,priority = <100>;

				nvidia,cpu-throt-level = <TEGRA_SOCTHERM_THROT_LEVEL_HIGH>;



				#cooling-cells = <2>;

			};

		};

	};



	thermal-zones {
@@ -753,13 +764,19 @@ 
					hysteresis = <1000>;

					type = "critical";

				};



				cpu_throttle_trip: throttle-trip {

					temperature = <102000>;

					hysteresis = <1000>;

					type = "hot";

				};

			};



			cooling-maps {

				/*

				 * There are currently no cooling maps,

				 * because there are no cooling devices.

				 */

				map0 {

					trip = <&cpu_throttle_trip>;

					cooling-device = <&throttle_heavy 1 1>;

				};

			};

		};

		mem {
@@ -797,13 +814,19 @@ 
					hysteresis = <1000>;

					type = "critical";

				};



				gpu_throttle_trip: throttle-trip {

					temperature = <99000>;

					hysteresis = <1000>;

					type = "hot";

				};

			};



			cooling-maps {

				/*

				 * There are currently no cooling maps,

				 * because there are no cooling devices.

				 */

				map0 {

					trip = <&gpu_throttle_trip>;

					cooling-device = <&throttle_heavy 1 1>;

				};

			};

		};

		pllx {