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Commit eb58b40f authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Maxime Ripard
Browse files

ARM: dts: sun6i: Add cpu thermal zones to dtsi 



The core temperature sensor now supports thermal zones. Add a thermal
zone mapping for the cpus with passive cooling (cpufreq throttling).

Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 3a2bc642

arch/arm/boot/dts/sun6i-a31.dtsi

+33 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ 
#include "skeleton.dtsi"



#include <dt-bindings/interrupt-controller/arm-gic.h>

#include <dt-bindings/thermal/thermal.h>



#include <dt-bindings/pinctrl/sun4i-a10.h>
@@ -133,6 +134,38 @@ 
		};

	};



	thermal-zones {

		cpu_thermal {

			/* milliseconds */

			polling-delay-passive = <250>;

			polling-delay = <1000>;

			thermal-sensors = <&rtp>;



			cooling-maps {

				map0 {

					trip = <&cpu_alert0>;

					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

				};

			};



			trips {

				cpu_alert0: cpu_alert0 {

					/* milliCelsius */

					temperature = <70000>;

					hysteresis = <2000>;

					type = "passive";

				};



				cpu_crit: cpu_crit {

					/* milliCelsius */

					temperature = <100000>;

					hysteresis = <2000>;

					type = "critical";

				};

			};

		};

	};



	memory {

		reg = <0x40000000 0x80000000>;

	};