With those bindings it is possible to use pwm-fan device available at
Odroid U3 as a cooling device.
Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 60bd1e4..cc50e96 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -32,11 +32,42 @@
};
};
- 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-pwm-values = <0 102 170 255>;
status = "okay";
};
+
+ 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>;
+ };
+ };
+ };
+ };
};
&pwm {
--
2.0.0.rc2
--
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