On Fri, Jan 09, 2015 at 06:17:50PM +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 <w...@csie.org>
This patch looks fine to me:
Acked-by: Eduardo Valentin <edubez...@gmail.com>
> ---
>
> changes since v1:
>
> - Use thermal dt bindings macros in cooling-device
>
> ---
> arch/arm/boot/dts/sun7i-a20.dtsi | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi
> b/arch/arm/boot/dts/sun7i-a20.dtsi
> index c2e964939991..61780b144745 100644
> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> @@ -50,6 +50,7 @@
> #include "skeleton.dtsi"
>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/thermal/thermal.h>
>
> #include <dt-bindings/dma/sun4i-a10.h>
> #include <dt-bindings/pinctrl/sun4i-a10.h>
> @@ -116,6 +117,38 @@
> };
> };
>
> + 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 = <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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