ARM: dts: use pwm-fan device as a cooling device for exynos4412-odroidu3
authorLukasz Majewski <l.majewski@samsung.com>
Sun, 16 Aug 2015 23:53:48 +0000 (08:53 +0900)
committerKukjin Kim <kgene@kernel.org>
Wed, 16 Sep 2015 22:48:11 +0000 (07:48 +0900)
With those bindings it is possible to use pwm-fan device available in
Odroid U3 as a cooling device.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
arch/arm/boot/dts/exynos4412-odroidu3.dts

index 54b3bc1dba1d48b218f995c514daeb2a7cce6913..1e6ef99eef596bf4da6094585873c1c0aad7e05b 100644 (file)
                };
        };
 
-       pwm-fan {
+       fan0: pwm-fan {
                compatible = "pwm-fan";
                pwms = <&pwm 0 10000 0>;
+               cooling-min-state = <0>;
+               cooling-max-state = <3>;
+               #cooling-cells = <2>;
+               cooling-levels = <0 102 170 230>;
+       };
+
+       thermal-zones {
+               cpu_thermal: cpu-thermal {
+                       cooling-maps {
+                               map0 {
+                                    trip = <&cpu_alert1>;
+                                    cooling-device = <&cpu0 7 7>;
+                               };
+                               map1 {
+                                    trip = <&cpu_alert2>;
+                                    cooling-device = <&cpu0 13 13>;
+                               };
+                               map2 {
+                                    trip = <&cpu_alert0>;
+                                    cooling-device = <&fan0 0 1>;
+                               };
+                               map3 {
+                                    trip = <&cpu_alert1>;
+                                    cooling-device = <&fan0 1 2>;
+                               };
+                               map4 {
+                                    trip = <&cpu_alert2>;
+                                    cooling-device = <&fan0 2 3>;
+                               };
+                       };
+               };
        };
 };