On Tue, Jan 06, 2015 at 10:35:17AM +0800, Chen-Yu Tsai wrote: > 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 <[email protected]> > --- > arch/arm/boot/dts/sun7i-a20.dtsi | 32 ++++++++++++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > > diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi > b/arch/arm/boot/dts/sun7i-a20.dtsi > index 887b0521bbfb..951e99ed3aa9 100644 > --- a/arch/arm/boot/dts/sun7i-a20.dtsi > +++ b/arch/arm/boot/dts/sun7i-a20.dtsi > @@ -111,6 +111,38 @@ > }; > }; > > + thermal-zones { > + cpu_thermal { > + /* milliseconds */ > + polling-delay-passive = <250>; > + polling-delay = <1000>; > + thermal-sensors = <&rtp>; > + > + cooling-maps { > + map0 { > + trip = <&cpu_alert0>; > + cooling-device = <&cpu0 (-1) (-1)>;
Could you please:
+#include <dt-bindings/thermal/thermal.h>
and
+ cooling-device = <&cpu0
THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
?
> + };
> + };
> +
> + trips {
> + cpu_alert0: cpu_alert0 {
> + /* milliCelsius */
> + temperature = <75000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + cpu_crit: cpu_crit {
> + /* milliCelsius */
> + temperature = <100000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> + };
> +
> memory {
> reg = <0x40000000 0x80000000>;
> };
> --
> 2.1.4
>
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