The core temperature sensor now supports thermal zones. Add a thermal zone mapping for the cpus with passive cooling (cpufreq throttling).
Signed-off-by: Chen-Yu Tsai <w...@csie.org> --- changes since v1: - Use thermal dt bindings macros in cooling-device --- arch/arm/boot/dts/sun4i-a10.dtsi | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index 7fb4e912f510..f0dc246dc69e 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -12,6 +12,8 @@ #include "skeleton.dtsi" +#include <dt-bindings/thermal/thermal.h> + #include <dt-bindings/dma/sun4i-a10.h> #include <dt-bindings/pinctrl/sun4i-a10.h> @@ -67,6 +69,38 @@ }; }; + 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 = <850000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu_crit { + /* milliCelsius */ + temperature = <100000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + memory { reg = <0x40000000 0x80000000>; }; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html