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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: b786a05f6c ("ARM: dts: ux500: Update thermal zone")
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
alistair/sunxi64-5.4-dsi
Linus Walleij 2019-10-01 09:46:28 +02:00 committed by Olof Johansson
parent a304c0a602
commit cdee3b60af
1 changed files with 8 additions and 3 deletions
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11
arch/arm/boot/dts/ste-dbx5x0.dtsi
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@ -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>;
};
};