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 <wens@xxxxxxxx>
> ---
> 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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