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Commit cdee3b60 authored by Linus Walleij's avatar Linus Walleij Committed by Olof Johansson
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ARM: dts: ux500: Fix up the CPU thermal zone 

This fixes up the default ux500 CPU thermal zone:

- Set polling delay to 0 and explain why
- Set passive polling delay to 250
- Remove restrictions from the CPU cooling device,
  we should use all cpufreq steps to cool down if
  needed.

Link: https://lore.kernel.org/r/20191001074628.8122-1-linus.walleij@linaro.org


Fixes: b786a05f ("ARM: dts: ux500: Update thermal zone")
Suggested-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent a304c0a6

arch/arm/boot/dts/ste-dbx5x0.dtsi

+8 −3
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include <dt-bindings/mfd/dbx500-prcmu.h>

#include <dt-bindings/arm/ux500_pm_domains.h>

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

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



/ {

	#address-cells = <1>;
@@ -59,8 +60,12 @@ 
		 * cooling.

		 */

		cpu_thermal: cpu-thermal {

			polling-delay-passive = <0>;

			polling-delay = <1000>;

			polling-delay-passive = <250>;

			/*

			 * This sensor fires interrupts to update the thermal

			 * zone, so no polling is needed.

			 */

			polling-delay = <0>;



			thermal-sensors = <&thermal>;
@@ -79,7 +84,7 @@ 


			cooling-maps {

				trip = <&cpu_alert>;

				cooling-device = <&CPU0 0 2>;

				cooling-device = <&CPU0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

				contribution = <100>;

			};

		};